Investment Type [Axis] US Treasury Securities [Member] US Federal Agency Obligations [Member] Municipal Obligations, Tax Exempt [Member] Municipal Obligations, Taxable [Member] Agency Mortgage-backed Securities [Member] Certificates of Deposit [Member] Financial Instrument [Axis] Agriculture Loans [Member] Class of Financing Receivable, Type of Borrower [Axis] Trouble Debt Restructurings [Member] One-to-Four Family Residential Real Estate Loans [Member] Construction and Land Loan [Member] Commercial Real Estate Loans [Member] Municipal Loans [Member] Commercial Loans [Member] Consumer Loans [Member] Commercial Loans [Member] Consumer Loans [Member] Receivable Type [Axis] Loans Receivables Non Classified [Member] Loans Receivables Classified [Member] Commercial Real Estate Loans [Member] Defined Benefit Plan, Asset Categories [Axis] Financing Receivables, Period Past Due [Axis] 30-59 Days Delinquent and Accruing [Member] 60-89 Days Delinquent and Accruing [Member] Fair Value, Hierarchy [Axis] Level 3 [Member] Level 2 [Member] Reported Value Measurement [Member] Level 1 [Member] Measurement Frequency [Axis] Fair Value, Measurements, Recurring [Member] Cash and Cash Equivalents [Axis] Underlying Asset Class [Axis] Mortgage-backed Securities [Member] Fair Value, Measurements, Nonrecurring [Member] Scenario [Axis] January 1, 2019 [Member] Investment Holding [Axis] Capital Conservation Buffer [Member] Construction and Land Loan [Member] Range [Axis] Maximum [Member] Minimum [Member] Mortgage Loans on Real Estate, Loan Type [Axis] Mortgage Loans Serviced [Member] Weighted Average [Member] Mortgage Repurchase Reserve [Member] Finite-Lived Intangible Assets by Major Class [Axis] Core Deposit Intangible Assets [Member] Lease Intangible Asset [Member] Mortgage Servicing Rights [Member] Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member] Federal Home Loan Bank Certificates and Obligations (FHLB) [Member] Repurchase Agreements [Member] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Overnight and Continuous [Member] Securities or Other Assets Sold under Agreements to Repurchase [Axis] Up to 30 Days [Member] 30 - 90 Days [Member] Greater Than 90 Days [Member] Agriculture Loans [Member] Small Bank Holding Companies [Member] Legal Entity [Axis] Company's Regulatory Capital Requirements [Member] Banks Regulatory Capital Requirements [Member] Equity Components [Axis] Common Stock [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) [Member] US Federal Treasury Obligations [Member] Award Date [Axis] Second Quarter of 2019 [Member] 90 Days or More Delinquent and Accruing [Member] Troubled Debt Restructurings [Member] Document And Entity Information Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Filer Category Entity Small Business Flag Entity Emerging Growth Company Entity Ex Transition Period Entity Common Stock, Shares Outstanding Trading Symbol Document Fiscal Period Focus Document Fiscal Year Focus Statement of Financial Position [Abstract] Assets Cash and cash equivalents Investment securities available-for-sale, at fair value Bank stocks, at cost Loans, net of allowance for loans losses of $5,938 at March 31, 2019 and $5,765 at December 31, 2018 Loans held for sale, at fair value Premises and equipment, net Bank owned life insurance Goodwill Other intangible assets, net Real estate owned, net Accrued interest and other assets Total assets Liabilities and Stockholders' Equity Liabilities: Deposits: Non-interest-bearing demand Money market and checking Savings Time Total deposits Federal Home Loan Bank borrowings Subordinated debentures Other borrowings Accrued interest, taxes, and other liabilities Total liabilities Commitments and contingencies Stockholders' equity: Preferred stock, $0.01 par value per share, 200,000 shares authorized; none issued Common stock, $0.01 par value per share, 7,500,000 shares authorized; 4,372,116 shares issued at March 31, 2019 and December 31, 2018, Additional paid-in capital Retained earnings Accumulated other comprehensive loss Total stockholders' equity Total liabilities and stockholders' equity Allowance for loans losses Preferred stock, par value Preferred stock, shares authorized Preferred stock, shares issued Common stock, par value Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Income Statement [Abstract] Interest income: Loans: Taxable Tax-exempt Investment securities: Taxable Tax-exempt Total interest income Interest expense: Deposits Borrowings Total interest expense Net interest income Provision for loan losses Net interest income after provision for loan losses Non-interest income: Fees and service charges Gains on sales of loans, net Bank owned life insurance Gains on sales of investment securities, net Other Total non-interest income Non-interest expense: Compensation and benefits Occupancy and equipment Data processing Amortization of intangibles Professional fees Advertising Federal deposit insurance premiums Foreclosure and real estate owned expense Other Total non-interest expense Earnings before income taxes Income tax expense Net earnings Earnings per share: Basic Diluted Dividends per share Stock dividend, percentage Statement of Comprehensive Income [Abstract] Net earnings Net unrealized holding gains (losses) on available-for-sale securities Less reclassification adjustment for net gains included in earnings Net unrealized gains (losses) Income tax effect on net gains included in earnings Income tax effect on net unrealized holding (losses) gains Other comprehensive income (loss) Total comprehensive income (loss) Statement [Table] Statement [Line Items] Balance Other comprehensive income loss Dividends paid Stock-based compensation Adjustment of common stock Exercise of stock options Balance Statement of Stockholders' Equity [Abstract] Dividend, per share Excise of stock option, shares Statement of Cash Flows [Abstract] Cash flows from operating activities: Adjustments to reconcile net earnings to net cash provided by (used by) operating activities: Amortization of investment security premiums, net Amortization of purchase accounting adjustment on loans Amortization of purchase accounting adjustment on subordinated debentures Depreciation Increase in cash surrender value of bank owned life insurance Stock-based compensation Deferred income taxes Net gains on sales of investment securities Net losses on sales of foreclosed assets Net gains on sales of loans Proceeds from sales of loans Origination of loans held for sale Changes in assets and liabilities: Accrued interest and other assets Accrued expenses, taxes, and other liabilities Net cash (used in) provided by operating activities Cash flows from investing activities: Net increase in loans Maturities and prepayments of investment securities Purchases of investment securities Proceeds from sales of investment securities Redemption of bank stocks Purchase of bank stocks Proceeds from sales of premises and equipment and foreclosed assets Purchases of premises and equipment, net Net cash provided by (used in) investing activities Cash flows from financing activities: Net (decrease) increase in deposits Federal Home Loan Bank advance borrowings Federal Home Loan Bank advance repayments Proceeds from other borrowings Repayments on other borrowings Proceeds from exercise of stock options Payment of dividends Net cash (used in) provided by financing activities Net decrease in cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Supplemental disclosure of cash flow information: Cash paid for interest Cash paid for operating leases Supplemental schedule of noncash investing and financing activities: Transfer of loans to real estate owned Investment securities purchases not yet settled Operating lease asset and related lease liability recorded Organization, Consolidation and Presentation of Financial Statements [Abstract] Interim Financial Statements Investments, Debt and Equity Securities [Abstract] Investments Receivables [Abstract] Loans and Allowance for Loan Losses Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Other Intangible Assets Earnings Per Share [Abstract] Earnings Per Share Banking and Thrift [Abstract] Repurchase Agreements Revenue from Contract with Customer [Abstract] Revenue from Contracts with Customers Fair Value Disclosures [Abstract] Fair Value of Financial Instruments and Fair Value Measurements Regulatory Capital Requirements Accounting Changes and Error Corrections [Abstract] Impact of Recent Accounting Pronouncements Schedule of Available-for-sale Securities Schedule of Available for Sale Securities Continuous Unrealized Loss Position Fair Value Schedule of Investments Classified by Contractual Maturity Date Schedule of Realized Gain (loss) Schedule of Loans Schedule of Allowance for Credit Losses On Financing Receivables Schedule of Impaired Financing Receivables Schedule of Past Due Financing Receivables Schedule of Risk Categories by Loan Class Schedule of Troubled Debt Restructurings On Financing Receivables Schedule of Intangible Assets and Goodwill Schedule of Finite-lived Intangible Assets, Future Amortization Expense Schedule of Participating Mortgage Loans Schedule of Servicing Asset at Amortized Cost Schedule of Earnings Per Share, Basic and Diluted Schedule of Repurchase Agreements Schedule of Revenue from Contracts with Customers Within Non-interest Income Schedule of Fair Value, by Balance Sheet Grouping Schedule of Fair Value, Assets Measured on Recurring Basis Schedule of Fair Value Contractual Balance and Gain Loss on Loans Held for Sale Schedule of Gains and Losses from Changes in Fair Value of Loans Held for Sale Schedule of Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques Schedule of Fair Value Measurements on Nonrecurring, Valuation Techniques Schedule of Compliance with Regulatory Capital Requirements for Mortgage Companies Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations Right of use asset Lease liability Number of operating lease Average life of operating lease Security owned and pledged as collateral, fair value, total Equity method investment, ownership percentage Schedule of Available-for-sale Securities [Table] Debt Securities, Available-for-sale [Line Items] Amortized cost Gross unrealized gains Gross unrealized losses Estimated fair value No. of securities Fair value, Less than 12 months Unrealized losses, Less than 12 months Fair value, 12 months or longer Unrealized losses, 12 months or longer Total, Fair value Total, Unrealized losses Amortized cost, Due in less than one year Amortized cost, Due after one year but within five years Amortized cost, Due after five years but within ten years Amortized cost, Due after ten years Amortized cost, Total Estimated fair value, Due in less than one year Estimated fair value, Due after one year but within five years Estimated fair value, Due after five years but within ten years Estimated fair value, Due after ten years Estimated fair value, Total Sales proceeds Realized gains Realized losses Net realized gains Type of Borrower [Axis] Net loan charge-offs Impaired financing receivable loan balance charged off Nonaccrual loans , interest earned Provision for loan losses reversal Loans and leases receivable, allowance Total gross loans Net deferred loan costs and loans in process Allowance for loan losses Loans, net Balance Charge-offs Recoveries Provision for loan losses Balance Individually evaluated for loss Collectively evaluated for loss Total Individually evaluated for loss Collectively evaluated for loss Loans and Leases Receivable, Gross, Total Unpaid contractual principal Impaired loan balance Impaired loans without an allowance Impaired loans with an allowance Related allowance recorded Year-to-date average loan balance Year-to-date interest income recognized Defined Benefit Plan, Plan Assets, Category [Axis] Financial Asset, Period Past Due [Axis] Loans, Total past due loans accruing Loans, Non-accrual loans Loan, Total past due and non-accrual loans Loan, Total loans not past due Percent of gross loans, 30-59 days delinquent and accruing Percent of gross loans, 60-89 days delinquent and accruing Percent of gross loans, 90 days or more delinquent and accruing Percentage of gross loans, Total past due loans accruing Percent of gross loans, Non-accrual loans Percentage of Total past due and non-accrual loans Percentage of Total loans not past due Troubled debt restructurings, Number of loans Financing receivable, modifications, recorded investment, non accrual balance Financing receivable, modifications, recorded investment, accruing balance Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets [Line Items] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Type [Axis] Statistical Measurement [Axis] Escrow deposit Interest and fee income, other loans Servicing asset at fair value, amount Assumption for fair value of assets or liabilities that relate to transferor's continuing involvement, discount rate Assumption for fair value of assets or liabilities that relate to transferor's continuing involvement, prepayment speed Assumption for fair value of interests continued to be held by transferor servicing assets or liabilities weighted average default rate Mortgage loans on real estate, write-down or reserve, amount Intangible assets, Gross carrying amount Intangible assets, Accumulated amortization Intangible assets, Net carrying amount Remainder of 2019 2020 2021 2022 2023 Total SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate Schedule [Table] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] Total Balance at beginning of year Additions Amortization Balance at end of year Antidilutive securities excluded from computation of earnings per share, amount Weighted average common shares outstanding - basic Assumed exercise of stock options Weighted average common shares outstanding - diluted Net earnings per share: Basic Net earnings per share: Diluted Schedule of Assets Sold under Agreements to Repurchase [Table] Assets Sold under Agreements to Repurchase [Line Items] Customer funds Debt instrument, collateral amount Assets sold under agreements to repurchase, carrying amount Service charges on deposits overdraft fees Service charges on deposits other Interchange income Loan servicing fees Office lease income Gains on sales of loans Bank owned life insurance income Gains (losses) on sales of investment securities Gains (losses) on sales of real estate owned Other Total non-interest income Impaired financing receivable, recorded investment, total Impaired financing receivable, related allowance Fair Value, by Balance Sheet Grouping [Table] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value Hierarchy and NAV [Axis] Investment securities available for sale Bank stocks, at cost Loans, net Loans held for sale Derivative financial instruments Accrued interest receivable Non-maturity deposits Time deposits FHLB borrowings Subordinated debentures Other borrowings Derivative financial instruments Accrued interest payable Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Loans held for Sale Assets: Derivative financial instruments Liabilities: Derivative financial instruments Aggregate fair value Contractual balance Gain Interest income Change in fair value Total change in fair value Impaired loans Total (losses)/gains on impaired loans fair value disclosure Impaired Loans Fair Value Disclosure Fair Value Measurements, Valuation Techniques Fair Value Measurements, Unobservable inputs Fair Value Measurements Range Regulatory Capital Requirements [Table] Regulatory Capital Requirements [Line Items] Assets, total Common equity tier one risk based capital required for capital adequacy to risk weighted assets Tier one risk based capital required for capital adequacy to risk weighted assets Capital required for capital adequacy to risk weighted assets Tier one leverage capital required for capital adequacy to average assets Tier one capital conversation buffer Leverage - Actual Amount Common Equity Tier 1 Capital - Actual Amount Tier 1 Capital - Actual Amount Total Risk Based Capital - Actual Amount Leverage - Actual Ratio Common Equity Tier 1 Capital - Actual Ratio Tier 1 Capital - Actual Ratio Total Risk Based Capital - Actual Ratio Leverage - For capital adequacy purposes Amount Common Equity Tier 1 Capital - For capital adequacy purposes Amount Tier 1 Capital - For capital adequacy purposes Amount Total Risk Based Capital - For capital adequacy purposes Amount Leverage - For capital adequacy purposes Ratio Common Equity Tier 1 Capital - For capital adequacy purposes Ratio Tier 1 Capital - For capital adequacy purposes Ratio Total Risk Based Capital - For capital adequacy purposes Ratio Leverage - To be well-capitalized under prompt corrective action provisions Amount Common Equity Tier 1 Capital - To be well-capitalized under prompt corrective action provisions Amount Tier 1 Capital - To be well-capitalized under prompt corrective action provisions Amount Total Risk Based Capital - To be well-capitalized under prompt corrective action provisions Amount Leverage - To be well-capitalized under prompt corrective action provisions Ratio Common Equity Tier 1 Capital - To be well-capitalized under prompt corrective action provisions Ratio Tier 1 Capital - To be well-capitalized under prompt corrective action provisions Ratio Total Risk Based Capital - To be well-capitalized under prompt corrective action provisions Ratio Adjustment of common stock investments. Agency Mortgage Backed Securities [Member] Agriculture Loan [Member] Agriculture loans member. Amortization of purchase accounting adjustment on loans. Bank stocks, at cost. Banks Regulatory Capital Requirements [Member] Capital Conservation Buffer [Member] Commercial Loans [Member] Commercial Real Estate Loan [Member] Commercial Real Estate Loan [Member] The amount of total common equity tier 1 capital as defined in the regulations. The amount of common equity Tier 1 Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action. The minimum amount of common equity total capital required for capital adequacy purposes under the regulatory framework for prompt corrective action. The minimum common equity Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. The common equity tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. Common equity Tier 1 capital divided by risk weighted assets as defined by regulations. Common Stocks [Member] Companys Regulatory Capital Requirements [Member] Construction and Land Loans [Member] Construction And Land [Member] Consumer Loans [Member] Deferred Compensation Agreements [Member] Fair Value Measurements, Valuation Techniques. The range of Level 3 fair value measurements for impaired loans measured at fair value on a non-recurring basis. Fair Value Measurements, Unobservable inputs. Family Residential Real Estate Loan [Member] Other Securities includes Federal Home Loan Bank (FHLB) and Federal Reserve Bank. FHLB Stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity) and Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). Fees and service charges. Four Agriculture Loans [Member] Gain Loss On Impaired Loans Fair Value Disclosure Represent the value of gain or loss on loans held for sale. Greater Than Ninety Days [Member] This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as impaired loans disclosure. Interest Income Loans [Abstract] Interest income derived from loans which are exempt from federal income taxes. Interest income derived from loans which are subject to federal income taxes. Investment securities purchases not yet settled. January One Two Thousand And Nineteen [Member] Change in fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables. Loans Receivables Classified [Member] Loans Receivables Non Classified [Member] Mortgage Loans Serviced [Member] Mortgage Repurchase Reserve [Member] Mortgage Servicing Rights Member. Municipal Loans [Member] Municipal Obligations Tax Exempt [Member] Municipal Obligations Taxable [Member] The aggregate amount of non-maturity deposits liabilities held by the entity. One Agriculture Loans [Member] One Commercial Real Estate Loan [Member] One To Four Family Residential Real Estate [Member] One-To-Four Family Residential Real Estate Loan [Member] Overnight And Continuous [Member] The percentage rate used to calculate stock dividend payments. Real Estate Owned Commercial Real Estate [Member] Real Estate Owned One-To-Four Family Residential Real Estate [Member] Regulatory Capital Requirements Line Items Regulatory Capital Requirements [Table] Schedule of Risk Categories by Loan Class [Table Text Block] Schedule of Fair Value Contractual Balance and Gain Loss On Loans Held for Sale [Table Text Block] Schedule of Gains and Losses from Changes in Fair Value of Loans Held for Sale [Table Text Block] Schedule of revenue from contracts with customers within non-interest income [Table Text Block] Sixty To Eighty Nine Days Delinquent And Accruing [Member] Small Bank Holding Companies [Member] Split Dollar Life Insurance Agreement [Member] Subordinated Debentures 2005 [Member] Subordinated Debentures 2013 [Member] Subordinated Debentures 2003 [Member] TDR [Member] Third Party [Member] Third Quarter of 2017 [Member] Thirty To Fifty Nine Days Delinquent And Accruing [Member] Thirty To Ninety Days [Member] Three Agriculture Loans [Member] The percentage of capital buffer to be maintained other than minimum capital requirements. Trouble Debt Restructurings [Member] Two Agriculture Loans [Member] 2015 Stock Incentive Plan [Member] U.S. Federal Treasury Obligations [Member] US Federal Agency Obligations [Member] US Federal Treasury Obligations [Member] Unrelated Financial Institution [Member] Upto Thirty Days [Member] Loans Held for Sale [Member] Second Quarter of 2019 [Member] Number of operating lease. Impaired Financing Receivable Recorded Rounded. Amount of loan losses provision reversed. Represents the net amount of deferred loan costs and loans in process. 90 Days or More Delinquent and Accruing [Member] Recorded investment in Financing receivables that are 30 days or more past due and accruing, total. Loans, Non-accrual loans. Recorded investment that are past due including non accrual status. Recorded investment that are past due including not past due status. Percentage amount of financing receivables that are less than 60 days past due but more than 29 days past due. Percentage amount of financing receivables that are less than 90 days past due but more than 59 days past due. Percentage amount of Recorded investment in financing receivables that are 90 days or more past due and still accruing. Percentage amount of Recorded investment in financing receivables that are 30 days or more past due and accruing, total. Percentage amount of Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. Percentage of recorded investment that are past due including non accrual status. Percentage of financing receivables that are current. Troubled Debt Restructurings [Member] The amount of the outstanding recorded investment related to accruing balance of financing receivables that have been modified by troubled debt restructurings. Weighted average default rate which is used to value residual cash flows generated by financial assets of a securitization, asset-backed financing arrangement, or similar transfer regardless of when the transfer occurred. Service charges on deposits other. Interchange income. Loan servicing fees. Cash paid for operating leases. Operating lease asset and related lease liability recorded. Unexercised Stock Options [Member] Commercial Loan [Member] Consumer Loan [Member] Commercial Real Estate [Member] Mortgage Servicing Rights [Member] [Default Label] Agriculture loan [Member] Deposits [Default Label] Liabilities Stockholders' Equity Attributable to Parent Liabilities and Equity Interest Income, Securities, Operating, Taxable Interest Income, Securities, Operating, Tax Exempt Interest and Dividend Income, Operating Interest Expense Interest Income (Expense), Net Interest Income (Expense), after Provision for Loan Loss Other Noninterest Expense Noninterest Expense Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Tax Other Comprehensive Income (Loss), Tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent Dividends, Common Stock, Cash Risk Categories By Loan Class [Table Text Block] Share-based Payment Arrangement, Noncash Expense Gain (Loss) on Sale of Investments Payments for Origination and Purchases of Loans Held-for-sale Increase (Decrease) in Other Operating Assets Net Cash Provided by (Used in) Operating Activities Payments for (Proceeds from) Loans and Leases Payments to Acquire Available-for-sale Securities Payments to Acquire Other Investments Payments to Acquire Property, Plant, and Equipment Net Cash Provided by (Used in) Investing Activities Payments of FHLBank Borrowings, Financing Activities Repayments of Other Debt Payments of Ordinary Dividends, Common Stock Net Cash Provided by (Used in) Financing Activities Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Available-for-sale Securities, Gross Realized Losses Available-for-sale Securities, Gross Realized Gain (Loss) Allowance for Loan and Lease Losses, Write-offs Provision for Loan and Lease Losses Financing Receivable, Individually Evaluated for Impairment Financing Receivable, Collectively Evaluated for Impairment Finite-Lived Intangible Assets, Accumulated Amortization Intangible Assets, Net (Excluding Goodwill) Finite-Lived Intangible Assets, Net Servicing Asset at Amortized Cost Servicing Asset at Amortized Cost, Amortization Noninterest Income, Other Operating Income Federal Home Loan Bank and Federal Reserve Bank Stock Securities Non Maturity Deposits Interest Payable Loans Held-for-sale, Change In Fair Value Fair Value, Option, Changes in Fair Value, Gain (Loss)