Statement of Financial Position [Abstract] Preferred stock, par value per share (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares outstanding Preferred Stock, Shares Issued Common stock, par value per share (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Common Stock, Shares, Outstanding Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Summary of common stock option activity Share-based Compensation, Stock Options, Activity [Table Text Block] Summary of restricted stock units Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Summary of performance share unit awards Share-based Compensation, Performance Shares Award Outstanding Activity [Table Text Block] Summary of stock-based compensation expense Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Supplemental Condensed Consolidating Balance Sheet [Abstract] Supplemental Condensed Consolidating Balance Sheet [Abstract] Statement [Table] Statement [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Non-Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries [Member] Guarantor Subsidiaries [Member] Guarantor Subsidiaries [Member] Parent Company [Member] Parent Company [Member] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Consolidation, Eliminations [Member] Consolidation, Eliminations [Member] Statement [Line Items] Statement [Line Items] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted cash Restricted Cash and Cash Equivalents Contracts and accounts receivable Accounts and Notes Receivable, Net Intercompany Receivables Intercompany Receivables Intercompany Receivables Due from affiliates Due from Affiliates Real estate inventories Inventory, Real Estate Investment in and advances to unconsolidated joint ventures Equity Method Investments Investment in subsidiaries Investments in Affiliates, Subsidiaries, Associates, and Joint Ventures, Fair Value Disclosure Other assets Other Assets Total assets Assets Accounts payable Accounts Payable Accrued expenses and other liabilities Accrued Liabilities and Other Liabilities Intercompany Payables Intercompany Payables Intercompany Payables Due to Affiliate Due to Affiliate Unsecured revolving credit facility Line of Credit Facility, Fair Value of Amount Outstanding Senior notes, net Senior Notes Total liabilities Liabilities Stockholders' Equity Attributable to Parent Stockholders' Equity Attributable to Parent Non-controlling interest in subsidiary Stockholders' Equity Attributable to Noncontrolling Interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and equity Liabilities and Equity Stock-based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Equity Method Investments and Joint Ventures [Abstract] Investments in and Advances to Unconsolidated Joint Ventures Equity Method Investments and Joint Ventures Disclosure [Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Restricted Stock Units Restricted Stock Units (RSUs) [Member] Performance Shares [Member] Performance Shares [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Balance outstanding at December 31 (shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Units granted (shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Units vested (shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Units forfeited (shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Balance outstanding at March 31 (shares) Weighted-Average Grant-Date Fair Value per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Balance outstanding at December 31 (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Units granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Units vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Units forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Balance outstanding at March 31 (in dollars per share) Debt Disclosure [Abstract] Senior Notes Payable and Unsecured Revolving Credit Facility Debt Disclosure [Text Block] Payables and Accruals [Abstract] Product Warranty Accrual [Table] Product Warranty Accrual [Table] Product Warranty Accrual [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Homebuilding Segment [Member] Homebuilding Segment [Member] Homebuilding Segment [Member] Fee Building Segment [Member] Fee Building Segment [Member] Fee Building Segment [Member] Product Warranty Accrual [Line Items] Product Warranty Accrual [Line Items] [Line Items] for Product Warranty Accrual [Table] Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Beginning warranty liability Standard and Extended Product Warranty Accrual Warranty provision Standard and Extended Product Warranty Accrual, Increase for Warranties Issued Warranty provision assumed from joint venture at consolidation Warranty provision assumed from joint venture at consolidation Warranty provision assumed from joint venture at consolidation Warranty payments Standard and Extended Product Warranty Accrual, Decrease for Payments Ending warranty liability Receivables [Abstract] Contracts Receivable: Contracts Receivable [Abstract] Costs incurred on fee building projects Contracts Receivable, Costs Incurred On Fee Building Projects Contracts Receivable, Costs Incurred On Fee Building Projects Estimated earnings Contracts Receivable, Estimated Earnings Contracts Receivable, Estimated Earnings Contracts receivable, before collections Contracts Receivable, Before Collections Contracts Receivable, Before Collections Less: amounts collected during the period Contracts Receivable, Cash Collections Contracts Receivable, Cash Collections Total contracts receivable Accounts Receivable, Net Billed Billed Contracts Receivable Unbilled Unbilled Contracts Receivable Other receivables Other Receivables [Abstract] Other Receivables [Abstract] Escrow receivables Escrow Receivables Escrow Receivables Other receivables Other Receivables Contracts and accounts receivable Accounts payable related to costs incurred under fee building contracts Construction Payable Earnings Per Share [Abstract] Schedule of components used in the computation of basic and diluted earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Restricted cash Restricted Cash Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk [Member] Customer Concentration Risk [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Accounts Receivable [Member] Accounts Receivable [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2018-07 [Member] Accounting Standards Update 2018-07 [Member] Accounting Standards Update 2018-07 [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Consultant Stelmar [Member] Consultant Stelmar [Member] Consultant Stelmar [Member] Stock Options and Restricted Stock Units Employee Stock Options and Restricted Stock Units [Member] Employee Stock Options and Restricted Stock Units [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Common Stock [Member] Common Stock [Member] Stockholders' Equity Attributable to Parent [Member] Stockholders' Equity Attributable to Parent [Member] Stockholders' Equity Attributable to Parent [Member] Adoption of ASC 606 [Axis] Adoption of ASC 606 [Axis] Adoption of ASC 606 [Axis] Adoption of ASC 606 [Domain] Adoption of ASC 606 [Domain] [Domain] for Adoption of ASC 606 [Axis] ASC 606 Adoption Other Assets Write Off [Member] ASC 606 Adoption Other Assets Write Off [Member] ASC 606 Adoption Other Assets Write Off [Member] Immediately expensed selling and marketing costs [Member] Immediately expensed selling and marketing costs [Member] Immediately expensed selling and marketing costs [Member] Adoption 606 Difference in Capped S&M Amortization [Member] Difference in Capped S&M Amortization ASC 606 Adoption [Member] Difference S&M Amortization ASC 606 Adoption [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Maximum [Member] Maximum [Member] Concentration Risk, Percentage Concentration Risk, Percentage Impairment of Real Estate Impairment of Real Estate Impairment of Real Estate Homes Impairment of Real Estate Homes The charge against earnings in the period to reduce the carrying amount of real property to fair value. Unearned stock-based compensation expense not yet recognized Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Cumulative Effect of New Accounting Principle in Period of Adoption Cumulative Effect of New Accounting Principle in Period of Adoption New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets Write down of previously capitalized selling and marketing costs Deferred Costs Deferred Tax Assets - ASC 606 Deferred Tax Assets, Net Selling and Marketing Expense - ASC 606 Selling and Marketing Expense Depreciation of Capitalized Sales and Marketing Capitalized Sales and Marketing Amortized Capitalized Sales and Marketing Amortized Equity Method Investment, Ownership Percentage Equity Method Investment, Ownership Percentage Stock Repurchased and Retired During Period, Shares Stock Repurchased and Retired During Period, Shares Stock Repurchased During Period Stock Repurchased and Retired During Period, Value Right of use lease asset Operating Lease, Right-of-Use Asset Operating Lease, Liability Operating Lease, Liability Impairments related to investment in unconsolidated joint ventures Equity Method Investment, Other than Temporary Impairment Allowance for doubtful contracts and accounts receivable Allowance for Doubtful Accounts Receivable Statement of Cash Flows [Abstract] Operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Adjustments to reconcile net loss to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Deferred taxes Deferred Income Tax Expense (Benefit) Amortization of stock-based compensation Share-based Compensation Distributions of earnings from unconsolidated joint ventures Proceeds from Equity Method Investment, Distribution Inventory impairments Abandoned project costs Abandoned Project Costs Abandoned Project Costs Equity in net income of unconsolidated joint ventures Income (Loss) from Equity Method Investments Deferred profit from unconsolidated joint ventures Increase (Decrease) in Deferred Revenue Depreciation and amortization Depreciation Gain on early extinguishment of debt Gain (Loss) on Extinguishment of Debt Net changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Contracts and accounts receivable Increase (Decrease) in Receivables Due from affiliates Increase (Decrease) Due from Affiliates Real estate inventories Increase (Decrease) in Inventories Other assets Increase (Decrease) in Other Operating Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Cash assumed from joint venture at consolidation Cash Acquired from Acquisition Contributions and advances to unconsolidated joint ventures Payments to Acquire Interest in Joint Venture Distributions of capital and repayment of advances from unconsolidated joint ventures Proceeds from Equity Method Investment, Distribution, Return of Capital Interest collected on advances to unconsolidated joint ventures Payments for (Proceeds from) Other Investing Activities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Borrowings from credit facility Proceeds from Issuance of Unsecured Debt Repayments of credit facility Repayments of Unsecured Debt Early Repayment of Senior Debt Early Repayment of Senior Debt Proceeds from senior notes Proceeds from Issuance of Senior Long-term Debt Payment of debt issuance costs Payments of Debt Issuance Costs Repurchases of common stock Payments for Repurchase of Common Stock Tax withholding paid on behalf of employees for stock awards Payments Related to Tax Withholding for Share-based Compensation Proceeds from exercise of stock options Proceeds from Stock Options Exercised Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Net (decrease) increase in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Cash, cash equivalents and restricted cash – beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash – end of period Numerator: Net Income (Loss) Attributable to Parent [Abstract] Net loss attributable to The New Home Company Inc. Net Income (Loss) Attributable to Parent Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Basic weighted-average shares outstanding Weighted Average Number of Shares Outstanding, Basic Stock options and unvested restricted stock units Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Diluted weighted-average shares outstanding Weighted Average Number of Shares Outstanding, Diluted Basic loss per share attributable to The New Home Company Inc. Earnings Per Share, Basic Diluted loss per share attributable to The New Home Company Inc. Earnings Per Share, Diluted Antidilutive stock options and unvested restricted stock units not included in diluted earnings per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Revenues Equity Method Investment, Summarized Financial Information, Revenue Cost of Sales and Expenses Equity Method Investment Summarized Financial Information Cost of Sales and Expenses The amount of cost of sales and expenses reported by an equity method investment of an entity. Net income of unconsolidated joint ventures Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) Equity in net income of unconsolidated joint ventures reflected in the accompanying condensed consolidated statements of operations Supplemental Guarantor Information [Abstract] Supplemental Guarantor Information [Abstract] Supplemental Guarantor Info [Text Block] Supplemental Guarantor Info [Text Block] Supplemental Guarantor Info [Text Block] Shares Authorized [Axis] Shares Authorized [Axis] Shares Authorized [Axis] Shares Authorized [Domain] Shares Authorized [Domain] [Domain] for Shares Authorized [Axis] Incremental shares [Member] Incremental shares [Member] Incremental share [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2014 Incentive Plan [Member] 2014 Incentive Plan [Member] 2014 Incentive Plan [Member] 2016 Incentive Plan [Member] [Member] 2016 Incentive Plan [Member] [Member] 2016 Incentive Plan [Member] [Member] 2016 Incentive Plan Amended and Restated [Member] 2016 Incentive Plan Amended and Restated [Member] 2016 Incentive Plan Amended and Restated [Member] Minimum [Member] Minimum [Member] Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Number of shares that may be issued under plan Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Award expiration period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Unearned stock-based compensation expense not yet recognized, recognition period Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Real Estate [Abstract] Asset Impairment Charges [Text Block] Asset Impairment Charges [Text Block] Summary of real estate inventories Schedule of Inventory, Noncurrent [Table Text Block] Capitalized Interest [Abstract] Capitalized Interest [Abstract] Summary of interest incurred, capitalized, and expensed Interest Income and Interest Expense Disclosure [Table Text Block] Capitalized Interest Homebuilding Interest [Text Block] The entire disclosure for homebuilding interest and homebuilding interest capitalization. Income Statement [Abstract] Restatement [Axis] Restatement [Axis] Restatement [Domain] Restatement [Domain] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Home Sales Home Building [Member] Fee Building Construction [Member] Revenues Revenues [Abstract] Revenue Revenue from Contract with Customer, Including Assessed Tax Cost of Goods and Services Sold Cost of Goods and Services Sold [Abstract] Cost of Goods and Services Sold Cost of Goods and Services Sold Home sales impairments Cost of Sales Cost of Sales The cost related to generating revenue. Gross Profit Gross Profit [Abstract] Gross Profit Home Sales Gross Profit Home Sales Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the home sales revenue generation. Gross Profit Fee Building Gross Profit Fee Building Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to fee building revenue generation. Gross Profit Gross Profit Costs and Expenses Costs and Expenses [Abstract] Selling and marketing expenses General and administrative expenses General and Administrative Expense Equity in net income of unconsolidated joint ventures Gain on early extinguishment of debt Other income (expense), net Other Nonoperating Income (Expense) Pretax loss Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Benefit for income taxes Income Tax Expense (Benefit) Net loss Net loss attributable to non-controlling interest Net Income (Loss) Attributable to Noncontrolling Interest Earnings (Loss) per share attributable to The New Home Company Inc. Basic (in dollars per share) Diluted (in dollars per share) Weighted average number of shares outstanding Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Diluted (in shares) Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Restricted Payment Limitations [Axis] Restricted Payment Limitations [Axis] Restricted Payment Limitations [Axis] Restricted Payment Limitations [Domain] Restricted Payment Limitations [Domain] [Domain] for Restricted Payment Limitations [Axis] Basket limitation components [Member] Basket limitation components [Member] Basket limitation components [Member] Exceptions for Additional Indebtedness Limitations [Axis] Exceptions for Additional Indebtedness Limitations [Axis] Exceptions for Additional Indebtedness Limitations [Axis] Exceptions for Additional Indebtedness Limitations [Domain] Exceptions for Additional Indebtedness Limitations [Domain] [Domain] for Exceptions for Additional Indebtedness Limitations [Axis] Existing or future credit facility borrowings [Member] Existing or future credit facility borrowings [Member] Existing or future credit facility borrowings [Member] Senior Note [Axis] Senior Note [Axis] Senior Note [Axis] Senior Note [Domain] Senior Note [Domain] [Domain] for Senior Note [Axis] Sr Notes Due 2022 [Member] Sr Notes Due 2022 [Member] Sr Notes Due 2022 [Member] Sr Notes Due 2022 Tack-on [Member] Sr Notes Due 2022 Tack-on [Member] Sr Notes Due 2022 Tack-on [Member] Accordion Feature Credit Facility [Axis] Accordion Feature Credit Facility [Axis] Accordion Feature Credit Facility [Axis] Accordion Feature Credit Facility [Domain] Accordion Feature Credit Facility [Domain] [Domain] for Accordion Feature Credit Facility [Axis] Accordion Feature Maximum Borrowing Capacity [Member] Accordion Feature Maximum Borrowing Capacity [Member] Accordion Feature Maximum Borrowing Capacity [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Letter of Credit [Member] Letter of Credit [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Unsecured Facility [Member] Unsecured Debt [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] LIBOR [Member] London Interbank Offered Rate (LIBOR) [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Long-term Debt Long-term Debt Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Premium Debt Instrument, Unamortized Premium Debt Instrument, Unamortized Debt Issuance Costs Debt Issuance Costs, Net Face value of note Debt Instrument, Face Amount Interest rate Debt Instrument, Interest Rate, Stated Percentage Percent of Debt Instrument Par Value Issued Percent of Debt Instrument Par Value Issued Percent of Debt Instrument Par Value Issued Interest rate at period end Debt Instrument, Interest Rate, Effective Percentage Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Percent of consolidated net income Percent of consolidated net income Percent of consolidated net income Net Cash Proceeds from Qualified Equity Offerings Net Cash Proceeds from Qualified Equity Offerings Net Cash Proceeds from Qualified Equity Offerings Consolidated tangible net assets Consolidated tangible net assets Consolidated tangible net assets General Basket General Basket General Basket Debt Instrument, Repurchased Face Amount Debt Instrument, Repurchased Face Amount Percent of Debt Instrument Face Value Repurchased Percent of Debt Instrument Face Value Repurchased Percent of Debt Instrument Face Value Repurchased Early Repayment of Senior Debt Gain on early extinguishment of debt Write off of Unamortized Discount Write off of Unamortized Discount Write off of Unamortized Discount Write off of Unamortized Premium Write off of Unamortized Premium Write off of Unamortized Premium Write off of Deferred Debt Issuance Cost Write off of Deferred Debt Issuance Cost Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Interest rate at period end Line of Credit Facility, Interest Rate at Period End Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Warranty accrual(1) Accrued compensation and benefits Accrued Salaries Accrued interest Interest Payable Completion Reserve Completion Reserve Completion Reserve Income taxes payable Accrued Income Taxes Deferred profit from unconsolidated joint ventures Deferred Revenue Lease liability Other accrued expenses Other Accrued Liabilities Total accrued expenses and other liabilities Insurance Settlements Receivable Insurance Settlements Receivable Estimated probable recoveries Loss Contingency, Receivable Stock Options Employee Stock Option [Member] Restricted Stock Unit and Performance Share Unit Awards [Member] Restricted Stock Unit and Performance Share Unit Awards [Member] Restricted Stock Unit and Performance Share Unit Awards [Member] Stock-based compensation expense Allocated Share-based Compensation Expense Deposits and pre-acquisition costs Inventory, Real Estate, Deposits and Pre-Acquisition Costs Inventory, Real Estate, Deposits and Pre-Acquisition Costs Land held and land under development Inventory, Real Estate, Land and Land Development Costs Homes completed or under construction Inventory, Real Estate, Homes Completed or Construction in Progress Inventory, Real Estate, Homes Finished or Construction in Progress Model homes Inventory, Real Estate, Model Homes Inventory, Real Estate, Model Homes Real estate inventories Deposits and pre-acquisition costs, refundable Inventory, Real Estate, Deposits and Pre-Acquisition Costs, Refundable Inventory, Real Estate, Deposits and Pre-Acquisition Costs, Refundable Summary of Performance Share Awards [Abstract] Summary of Performance Share Awards [Abstract] Expected Term Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected Volatility Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Risk Free Interest Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected Dividend Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Underlying Asset Class [Axis] Underlying Asset Class [Axis] Underlying Asset Class [Domain] Underlying Asset Class [Domain] Loans Payable [Member] Loans Payable [Member] Corporate Joint Venture [Member] Corporate Joint Venture [Member] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Financial Guarantee [Member] Financial Guarantee [Member] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Surety Bond [Member] Surety Bond [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Long-term Debt, Gross Long-term Debt, Gross Related Party Transaction, Guarantor Obligations, Underlying Asset Class Guaranteed Related Party Transaction, Guarantor Obligations, Underlying Asset Class Guaranteed Related Party Transaction, Guarantor Obligations, Underlying Asset Class Guaranteed Outstanding surety bonds Loss Contingency, Range of Possible Loss, Portion Not Accrued Surety bonds work remaining to complete Loss Contingency Portion Attributable to Work Remaining to Complete Loss Contingency Portion Attributable to Work Remaining to Complete Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Fair Value of Financial Instruments [Abstract] Fair Value of Financial Instruments [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Other Assets [Abstract] Schedule of other assets Schedule of Other Assets [Table Text Block] 7.25% Senior Notes due 2022, net Total Notes Payable Supplemental Condensed Consolidating Statement of Operations [Abstract] Supplemental Condensed Consolidating Statement of Operations [Abstract] Gross Profit Equity in net income (loss) from Subsidiaries Income (Loss) from Subsidiaries, before Tax Net Income (Loss) Attributable to Parent Supplemental Cash Flow Elements [Abstract] Interest paid, net of amounts capitalized Interest Paid, Excluding Capitalized Interest, Operating Activities Income Taxes Paid Income Taxes Paid Assets assumed from unconsolidated joint venture Fair Value of Assets Acquired Lease liability established upon adoption of ASC 842 Liabilities Assumed Contribution of real estate to unconsolidated joint ventures Contribution of Property Supplemental Guarantor Info [Abstract] Supplemental Guarantor Info [Abstract] Property, equipment and capitalized selling and marketing costs, net Property, Plant and Equipment, Net Deferred tax asset, net Prepaid income taxes Prepaid Taxes Prepaid expenses Prepaid Expense Warranty insurance receivable Right of use lease asset Capitalized selling and marketing costs Other Assets Interest incurred Interest Costs Incurred Interest expensed Interest Expense Interest capitalized to inventory Real Estate Inventory, Capitalized Interest Costs Incurred Interest Capitalized to Investments in Unconsolidated Joint Ventures Interest Capitalized to Investments in Unconsolidated Joint Ventures Interest Capitalized to Investments in Unconsolidated Joint Ventures Real Estate Inventory, Capitalized Interest Costs [Roll Forward] Real Estate Inventory, Capitalized Interest Costs [Roll Forward] Capitalized interest in beginning inventory Real Estate Inventory, Capitalized Interest Costs Interest capitalized as a cost of inventory Capitalized interest acquired from unconsolidated joint ventures at consolidation Real Estate Inventory, Capitalized Interest Acquired at Consolidation The amount of interest previously capitalized acquired from an unconsolidated joint venture in the period. Capitalized interest transferred from investment in unconsolidated joint venture to inventory upon lot acquisition Capitalized interest transferred from investment in unconsolidated joint venture to inventory upon lot acquisition Capitalized interest transferred from investment in unconsolidated joint venture to inventory upon lot acquisition Previously capitalized interest included in cost of home sales Real Estate Inventory, Capitalized Interest Costs, Cost of Sales Capitalized interest in ending inventory Real Estate Inventory, Capitalized Interest Costs in Unconsolidated Joint Venture [Roll Forward] Real Estate Inventory, Capitalized Interest Costs in Unconsolidated Joint Venture [Roll Forward] Real Estate Inventory, Capitalized Interest Costs in Unconsolidated Joint Venture [Roll Forward] Capitalized interest in beginning investment in unconsolidated joint ventures Capitalized Interest in Investments in Unconsolidated Joint Ventures Capitalized Interest in Ending Investments in Unconsolidated Joint Ventures Interest capitalized to investment in unconsolidated joint ventures Capitalized interest transferred from investment in unconsolidated joint venture to inventory upon consolidation Capitalized Interest Transferred from Investment in Unconsolidated Joint Venture to Inventory Upon Consolidation Capitalized Interest Transferred from Investment in Unconsolidated Joint Venture to Inventory Upon Consolidation Capitalized interest transferred from investment in unconsolidated joint ventures to inventory upon lot acquisition Previously capitalized interest included in equity in net income of unconsolidated joint ventures Previously Capitalized Interest Included in Equity in Net Income of Unconsolidated Joint Ventures Previously Capitalized Interest Included in Equity in Net Income of Unconsolidated Joint Ventures Capitalized interest in ending investment in unconsolidated joint ventures Total capitalized interest in ending inventory and investments in unconsolidated joint ventures Capitalized Interest in Ending Inventory and Investments in Unconsolidated Joint Ventures Capitalized Interest in Ending Inventory and Investments in Unconsolidated Joint Ventures Capitalized interest as a percentage of inventory Capitalized Interest as a Percentage of Inventory Capitalized Interest as a Percentage of Inventory Interest included in cost of home sales as a percentage of home sales revenue Interest included in cost of sales as a percentage of home sales revenue Interest included in cost of sales as a percentage of home sales revenue Capitalized interest as a percentage of investment in and advances to unconsolidated joint ventures Capitalized Interest As A Percentage Of Investments In And Advances to Unconsolidated Joint Ventures Capitalized Interest as a Percentage of Investments in and Advances to Unconsolidated Joint Ventures Assets Assets [Abstract] Liabilities and equity Liabilities and Equity [Abstract] Commitments and contingencies Commitments and Contingencies Equity: Equity [Abstract] Stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $0.01 par value, 50,000,000 shares authorized, no shares outstanding Preferred Stock, Value, Issued Common stock, $0.01 par value, 500,000,000 shares authorized, 20,049,113 and 20,058,904, shares issued and outstanding as of March 31, 2019 and December 31, 2018, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Retained earnings Retained Earnings (Accumulated Deficit) Total stockholders' equity Total equity Inventory Disclosure [Abstract] Remaining Carrying Value of Inventory Impaired Remaining Carrying Value of Inventory Impaired Remaining Carrying Value of Inventory Impaired Number of Projects Impaired Number of Projects Impaired The total number of projects impaired. Number of Projects Reviewed for Impairment Number of Projects Reviewed for Impairment The total number of projects reviewed for impairment during the year. Supplemental Disclosure of Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Lease, Cost [Abstract] Lease Cost and Cash Flow Lease, Cost [Table Text Block] Organization and Summary of Significant Account Policies Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] (Provision) benefit for income taxes Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Federal Statutory Income Tax Rate, Percent Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent Effective tax rate before discrete items, percent Effective tax rate before discrete items, percent Effective tax rate before discrete items, percent Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Discrete tax items Discrete tax items Discrete tax items Management Service [Member] Management Service [Member] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Options outstanding at December 31 (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Options granted (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Options exercised (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Options forfeited (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Options outstanding at March 31 (shares) Options exercisable at March 31 (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Weighted-Average Exercise Price per share Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Options outstanding at December 31 (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Options granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Options exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Options forfeited (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Options outstanding at March 31 (in dollars per share) Options exercisable at March 31 (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] General Contractor [Member] General Contractor [Member] Remeasurement [Axis] Remeasurement [Axis] Remeasurement [Axis] Remeasurement [Domain] Remeasurement [Domain] [Domain] for Remeasurement [Axis] Gain on Fair Value Remeasurement [Member] Gain on Fair Value Remeasurement [Member] Gain on Fair Value Remeasurement [Member] 401(k) Plan [Axis] 401(k) Plan [Axis] 401(k) Plan [Axis] 401(k) Plan [Domain] 401(k) Plan [Domain] [Domain] for 401(k) Plan [Axis] Sponsor [Member] Sponsor [Member] Sponsor [Member] Participant [Member] Participant [Member] Participant [Member] Ownership [Axis] Ownership [Axis] Ownership [Domain] Ownership [Domain] Wholly owned [Member] Wholly owned [Member] Wholly owned [Member] Unconsolidated Joint Ventures [Member] Unconsolidated Joint Ventures [Member] Unconsolidated Joint Ventures [Member] Related Party Transaction Deferred Revenue [Axis] Related Party Transaction Deferred Revenue [Axis] Related Party Transaction Deferred Revenue [Axis] Related Party Transaction Deferred Revenue [Domain] Related Party Transaction Deferred Revenue [Domain] [Domain] for Related Party Transaction Deferred Revenue [Axis] Cannery Land Sale [Member] Cannery Land Sale [Member] Cannery Land Sale [Member] Joint Venture Land Sales [Member] Joint Venture Land Sales [Member] Joint Venture Land Sales [Member] Joint Venture Contribution [Member] Joint Venture Contribution [Member] Joint Venture Contribution [Member] Related Party [Member] Related Party [Member] Related Party [Member] 10% Common Stock Affiliate [Member] 10% Common Stock Affiliate [Member] 10% Common Stock Affiliate [Member] TL Fab LP [Member] TL Fab LP [Member] TL Fab LP [Member] Consultant Redwitz [Member] Consultant Redwitz [Member] Consultant Redwitz [Member] Gain on Joint Venture Closeout [Member] [Member] Gain on Joint Venture Closeout [Member] [Member] Gain on Joint Venture Closeout [Member] [Member] Board Member and 10% Beneficial Owner [Member] Board Member and 10% Beneficial Owner [Member] Board Member and 10% Beneficial Owner [Member] Director [Member] Director [Member] Consultant Davis [Member] Consultant Davis [Member] Consultant Davis [Member] Board Affiliate [Member] Board Affiliate [Member] Board Affiliate [Member] FMR LLC [Member] FMR LLC [Member] FMR LLC [Member] Related Party Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Construction-related Costs [Member] Construction-related Costs [Member] Construction-related Costs [Member] Management Fees [Member] Management Fees [Member] Management Fees [Member] Bedford [Member] Bedford [Member] Bedford [Member] Russell Ranch [Member] Russell Ranch [Member] Russell Ranch [Member] Trade Payment [Member] Trade Payment [Member] Trade Payment [Member] Profit Participation [Member] Profit Participation [Member] Profit Participation [Member] Interest Income on Note to Joint Venture [Member] Interest Income on Note to Joint Venture [Member] Interest Income on Note to Joint Venture [Member] Monthly consulting fee [Member] Monthly consulting fee [Member] Monthly consulting fee [Member] Builder Fees [Member] Builder Fees [Member] Builder Fees [Member] Northern CA Phased Takedown [Member] Northern CA Phased Takedown [Member] Northern CA Phased Takedown [Member] Northern CA Rolling Option [Member] Northern CA Rolling Option [Member] Northern CA Rolling Option [Member] Northern CA Finished Lots [Member] Northern CA Finished Lots [Member] Northern CA Finished Lots [Member] Arizona Master Plan [Member] Arizona Master Plan [Member] Arizona Master Plan [Member] Bedford 2 [Member] Bedford 2 [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Expenses from transactions with related party Related Party Transaction, Expenses from Transactions with Related Party Revenue from related party Revenue from Related Parties The percentage of ownership of common stock entities with investments in Company’s unconsolidated joint ventures hold The percentage of ownership of common stock entities with investments in Company’s unconsolidated joint ventures hold The percentage of ownership of common stock entities with investments in Company’s unconsolidated joint ventures hold Equity Method Investments, Number Equity Method Investments, Number Equity Method Investments, Number Transaction amount Related Party Transaction, Amounts of Transaction Accounts Payable, Related Parties Accounts Payable, Related Parties Deferred Profit Contra WIP Balance Deferred Profit Contra WIP Balance Balance of deferred profit remaining in inventory as a reduction of land basis (contra WIP). Profit Participation Profit Participation Profit Participation Deferred Revenue Equity Method Investment, acquisition of partner's interest Equity method investment, acquisition of partner's interest Equity method investment, acquisition of partner's interest Advances to Affiliate Advances to Affiliate Debt Instrument, Interest Rate, Stated Percentage Total purchase price for lots under option contract Purchase Options, Land Master Marketing Fees Master Marketing Fees Master Marketing Fees Reimbursed Costs Reimbursed Costs Reimbursed Costs General Partners' Contributed Capital General Partners' Contributed Capital Deposit related to option contract Deposits Assets Lots under Purchase Agreement Recorded Lots under Purchase Agreement Recorded Lots under Purchase Agreement Recorded Estimated Purchase Price Estimated Purchase Price Estimated Purchase Price Land owner fees reimbursed Land owner fees reimbursed Land owner fees reimbursed Option Payment Option Payment Option Payment Deposits Assets - Outstanding Deposits Assets - Outstanding Amount of nonrefundable deposits outstanding Investment Income, Investment Expense Investment Income, Investment Expense Computation of Earnings (Loss) Per Share Earnings Per Share [Text Block] Fair Value Disclosures [Abstract] Real Estate Inventories Real Estate Disclosure [Text Block] Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Arizona ARIZONA California CALIFORNIA Corporate Unallocated [Member] Corporate Unallocated [Member] Corporate Unallocated [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Number of reportable segments Number of Reportable Segments Income before income taxes Depreciation of Capitalized Sales and Marketing Property and Equipment Depreciation Other Depreciation and Amortization Number of unconsolidated joint ventures with ownership interests Ownership percentage Management Fee Revenue Cash and cash equivalents Equity Method Investment, Summarized Financial Information, Cash and Cash Equivalents Equity Method Investment, Summarized Financial Information, Cash and Cash Equivalents Restricted cash Equity Method Investment, Summarized Financial Information, Restricted Cash Equity Method Investment, Summarized Financial Information, Restricted Cash Real estate inventories Equity Method Investment, Summarized Financial Information, Real Estate Inventories Equity Method Investment, Summarized Financial Information, Real Estate Inventories Other assets Equity Method Investment, Summarized Financial Information, Other Assets Equity Method Investment, Summarized Financial Information, Other Assets Total assets Equity Method Investment, Summarized Financial Information, Assets Accounts payable and accrued liabilities Equity Method Investment, Summarized Financial Information, Accounts Payable and Accrued Liabilities Equity Method Investment, Summarized Financial Information, Accounts Payable and Accrued Liabilities Notes Payable Equity Method Investment, Summarized Financial Information, Notes Payable Equity Method Investment, Summarized Financial Information, Notes Payable Liabilities Equity Method Investment, Summarized Financial Information, Liabilities The Company's equity Equity Method Investment, Summarized Financial Information, Equity Excluding Noncontrolling Interests Other partners' equity Equity Method Investment, Summarized Financial Information, Noncontrolling Interest Total equity Equity Method Investment Summarized Financial Information, Equity Total liabilities and equity Equity Method Investment, Summarized Financial Information, Liabilities and Equity Debt-to-capitalization ratio Ratio of indebtedness to capital of equity method investments Ratio of indebtedness to capital of equity method investments Debt-to-equity ratio Ratio of indebtedness to equity Ratio of indebtedness to equity Senior notes, fair value Notes Payable, Fair Value Disclosure Leases [Abstract] Remaining for 2019 Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year Lessee, Operating Lease, Liability, Payments, Due Year Two Lessee, Operating Lease, Liability, Payments, Due Year Two Lessee, Operating Lease, Liability, Payments, Due Year Three Lessee, Operating Lease, Liability, Payments, Due Year Three Lessee, Operating Lease, Liability, Payments, Due Year Four Lessee, Operating Lease, Liability, Payments, Due Year Four Lessee, Operating Lease, Liability, Payments, Due Year Five Lessee, Operating Lease, Liability, Payments, Due Year Five Lessee, Operating Lease, Liability, Payments, Due after Year Five Lessee, Operating Lease, Liability, Payments, Due after Year Five Lessee, Operating Lease, Liability, Payments, Due Lessee, Operating Lease, Liability, Payments, Due Lessee, Operating Lease, Liability, Undiscounted Excess Amount Lessee, Operating Lease, Liability, Undiscounted Excess Amount Operating Lease, Liability Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Weighted Average Discount Rate, Percent Operating Lease, Weighted Average Discount Rate, Percent Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Reclassifications Reclassification, Policy [Policy Text Block] Segment Reporting Segment Reporting, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Real Estate Inventories and Cost of Sales Inventory, Real Estate, Policy [Policy Text Block] Capitalization of Interest Interest Capitalization, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Variable Interest Entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] Non-controlling Interest Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Investments in and Advances to Unconsolidated Joint Ventures Equity Method Investments [Policy Text Block] Selling and Marketing Expense Selling, General and Administrative Expenses, Policy [Policy Text Block] Warranty Accrual Standard Product Warranty, Policy [Policy Text Block] Contracts and Accounts Receivable Receivables, Policy [Policy Text Block] Property, Equipment and Capitalized Selling and Marketing Costs Property, Plant and Equipment, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Stock-Based Compensation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Share Repurchase and Retirement Stockholders' Equity, Policy [Policy Text Block] Dividends Dividends [Policy Text Block] Dividends [Policy Text Block] Recently Issued Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Schedule of summarized financial information of unconsolidated joint ventures Equity Method Investments [Table Text Block] Fair Value Disclosures Fair Value Disclosures [Text Block] Schedule of contracts and accounts receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Entity [Abstract] Entity [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Emerging Growth Company Entity Emerging Growth Company Entity Ex Transition Period Entity Ex Transition Period Entity Small Business Entity Small Business Entity Shell Company Entity Shell Company Cash and cash equivalents Total cash, cash equivalents, and restricted cash shown in the statements of cash flows Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Restrictions on Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Schedule of Future Minimum Lease Payments [Abstract] Schedule of Future Minimum Lease Payments [Abstract] Schedule of Future Minimum Lease Payments Lessee, Operating Lease, Liability, Maturity [Table Text Block] Concentration Risk [Table] Concentration Risk [Table] Sales Revenue [Member] Sales Revenue, Net [Member] Concentration Risk [Line Items] Concentration Risk [Line Items] Concentration risk, number of customers Concentration Risk, Number Concentration Risk, Number Schedule of notes payable Schedule of Debt [Table Text Block] Lease Costs [Abstract] Lease Costs [Abstract] Lease costs included in general and administrative expenses Lease costs included in general and administrative expenses Lease costs included in general and administrative expenses Lease costs included in real estate inventories Lease costs included in real estate inventories Lease costs included in real estate inventories Lease costs included in selling and marketing expenses Lease costs included in selling and marketing expenses Lease costs included in selling and marketing expenses Lease, Cost Lease, Cost Lease cash flows Operating Lease, Payments Short-term Lease, Cost Short-term Lease, Cost Sublease Income Sublease Income Other Assets Other Assets Disclosure [Text Block] Accrued Expenses and Other Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure [Text Block] Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure [Text Block] Supplemental Condensed Consolidating Balance Sheet [Table Text Block] Supplemental Condensed Consolidating Balance Sheet [Table Text Block] [Table Text Block] for Supplemental Condensed Consolidating Balance Sheet [Table] Supplemental Condensed Consolidating Statement of Operations [Table Text Block] Supplemental Condensed Consolidating Statement of Operations [Table Text Block] [Table Text Block] for Supplemental Condensed Consolidating Statement of Operations [Table] Supplemental Condensed Consolidated Statement of Cash Flows [Table Text Block] Supplemental Condensed Consolidated Statement of Cash Flows [Table Text Block] Supplemental Condensed Consolidated Statement of Cash Flows [Table Text Block] Supplemental Condensed Consolidating Statement of Cash Flows [Abstract] Supplemental Condensed Consolidating Statement of Cash Flows [Abstract] Net Cash Used in Operating Activities Contributions to Subsidiaries from Corporate Contributions to Subsidiaries from Corporate Contributions to Subsidiaries from Corporate Distributions of Capital from Subsidiaries Distributions of Equity from Subsidiaries Distributions of Equity from Subsidiaries Interest collected on advances to unconsolidated joint ventures Interest Income, Other Repurchase of senior notes Contributions to subsidiaries from corporate Proceeds from Contributions from Parent Distributions to Corporate from Subsidiaries Distributions to Corporate from Subsidiaries Distributions to Corporate from Subsidiaries Cash, Cash Equivalents, and Restricted Cash Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Statement of Stockholders' Equity [Abstract] Stockholders' Equity [Member] Retained Earnings [Member] Retained Earnings [Member] Non-controlling Interest [Member] Noncontrolling Interest [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning balance Beginning Balance, Shares Adoption of ASC 606 Net income (loss) Stock-based compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Shares net settled with the Company to satisfy employee personal income tax liabilities resulting from share based compensation plans Adjustments to Additional Paid in Capital, Other Shares net settled with the Company to satisfy employee personal income tax liabilities resulting from share based compensation plans, shares Shares Paid for Tax Withholding for Share Based Compensation Shares issued through stock plans Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Shares issued through stock plans, shares Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Repurchase of common stock, Shares Repurchase of common stock Ending balance Ending Balance, Shares Contracts and Accounts Receivable Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Schedule of accrued liabilities and other liabilities Schedule of Accrued Liabilities and Other Liabilities [Table Text Block] Schedule of Accrued Liabilities and Other Liabilities [Table Text Block] Schedule of changes in warranty accrual Schedule of Product Warranty Liability [Table Text Block] Segment Information Segment Reporting Disclosure [Text Block] Schedule of financial information related to reportable segments Schedule of Segment Reporting Information, by Segment [Table Text Block]