2101100 - Disclosure - Business and Organization (Notes) link:presentationLink link:calculationLink link:definitionLink 2405401 - Disclosure - Capital Stock (Details) link:presentationLink link:calculationLink link:definitionLink 2105100 - Disclosure - Capital Stock (Notes) link:presentationLink link:calculationLink link:definitionLink 2112100 - Disclosure - Commitments and Contingencies (Notes) link:presentationLink link:calculationLink link:definitionLink 1001000 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1004000 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 1002000 - Statement - Consolidated Statements of Income link:presentationLink link:calculationLink link:definitionLink 1003000 - Statement - Consolidated Statements of Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 1003501 - Statement - Consolidated Statements of Shareholders' Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0001000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 2410402 - Disclosure - Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 2110100 - Disclosure - Earnings Per Share (Notes) link:presentationLink link:calculationLink link:definitionLink 2310301 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 2409405 - Disclosure - Income Taxes (Details Textual) link:presentationLink link:calculationLink link:definitionLink 2109100 - Disclosure - Income Taxes (Notes) link:presentationLink link:calculationLink link:definitionLink 2409403 - Disclosure - Income Taxes - Reconciliation of Income Tax Expense to Federal Statutory Rate (Details) link:presentationLink link:calculationLink link:definitionLink 2409404 - Disclosure - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2409402 - Disclosure - Income Taxes - Summary of Consolidated Federal Income Tax Return (Details) link:presentationLink link:calculationLink link:definitionLink 2309301 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 2403404 - Disclosure - Investment Portfolio (Details Textual) link:presentationLink link:calculationLink link:definitionLink 2403403 - Disclosure - Investment Portfolio Equity Method Investments (Detail) link:presentationLink link:calculationLink link:definitionLink 2103100 - Disclosure - Investment Portfolio (Notes) link:presentationLink link:calculationLink link:definitionLink 2403405 - Disclosure - Investment Portfolio Schedule of Equity Investment Ownership (Details) link:presentationLink link:calculationLink link:definitionLink 2403402 - Disclosure - Investment Portfolio - Summary of Market Value of Investments (Detail) link:presentationLink link:calculationLink link:definitionLink 2303301 - Disclosure - Investment Portfolio (Tables) link:presentationLink link:calculationLink link:definitionLink 2404401 - Disclosure - Line of Credit (Details) link:presentationLink link:calculationLink link:definitionLink 2104100 - Disclosure - Line of Credit (Notes) link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - Operating Leases (Details Textual) link:presentationLink link:calculationLink link:definitionLink 2108100 - Disclosure - Operating Leases (Notes) link:presentationLink link:calculationLink link:definitionLink 2408403 - Disclosure - Operating Leases - Schedule of Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 2408402 - Disclosure - Operating Leases - Summary of Lease and Operating Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 2308301 - Disclosure - Operating Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 2413401 - Disclosure - Sale of Beacon Hill (Details) link:presentationLink link:calculationLink link:definitionLink 2113100 - Disclosure - Sale of Beacon Hill (Notes) link:presentationLink link:calculationLink link:definitionLink 2402407 - Disclosure - Significant Accounting Policies (Details Textual) link:presentationLink link:calculationLink link:definitionLink 2402406 - Disclosure - Significant Accounting Policies - Mutual Fund Adminstration Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 2102100 - Disclosure - Significant Accounting Policies (Notes) link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 2402405 - Disclosure - Significant Accounting Policies - Summary of Assets Under Management Subject to Fees (Details) link:presentationLink link:calculationLink link:definitionLink 2402403 - Disclosure - Significant Accounting Policies - Summary of Fair Value Based Upon Level 1 and Level 2 Inputs (Details) link:presentationLink link:calculationLink link:definitionLink 2402404 - Disclosure - Significant Accounting Policies Summary of Variable Fees Earned (Details) link:presentationLink link:calculationLink link:definitionLink 2302302 - Disclosure - Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 2407405 - Disclosure - Stock-Based Compensation - 401(k) Plan (Details) link:presentationLink link:calculationLink link:definitionLink 2407406 - Disclosure - Stock-Based Compensation (Details Textual) link:presentationLink link:calculationLink link:definitionLink 2107100 - Disclosure - Stock-Based Compensation (Notes) link:presentationLink link:calculationLink link:definitionLink 2407402 - Disclosure - Stock-Based Compensation - Roll Forward of Restricted Stock Grants (Details) link:presentationLink link:calculationLink link:definitionLink 2407404 - Disclosure - Stock-Based Compensation - Schedule of Grants Issued and Grant Date Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Stock-Based Compensation - Summary of Deferred Compensation Expense Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 2307301 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink