101 - Document - Document and Entity Information link:calculationLink link:presentationLink link:definitionLink 103 - Statement - Consolidated Income Statements (Unaudited) link:calculationLink link:presentationLink link:definitionLink 104 - Statement - Consolidated Statements of Comprehensive Income (Unaudited) link:calculationLink link:presentationLink link:definitionLink 105 - Statement - Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) link:calculationLink link:presentationLink link:definitionLink 106 - Statement - Consolidated Balance Sheets link:calculationLink link:presentationLink link:definitionLink 107 - Statement - Consolidated Balance Sheets (Parenthetical) link:calculationLink link:presentationLink link:definitionLink 108 - Statement - Consolidated Statements of Stockholders' Equity (Unaudited) link:calculationLink link:presentationLink link:definitionLink 109 - Statement - Consolidated Statements of Cash Flows (Unaudited) link:calculationLink link:presentationLink link:definitionLink 110 - Disclosure - Nature of Business link:calculationLink link:presentationLink link:definitionLink 111 - Disclosure - Summary of Significant Accounting Policies link:calculationLink link:presentationLink link:definitionLink 112 - Disclosure - Subsequent Event and Assets and Liabilities Held for Sale link:calculationLink link:presentationLink link:definitionLink 113 - Disclosure - Investments link:calculationLink link:presentationLink link:definitionLink 114 - Disclosure - Net Income Per Common Share link:calculationLink link:presentationLink link:definitionLink 115 - Disclosure - Allowance for Doubtful Accounts link:calculationLink link:presentationLink link:definitionLink 116 - Disclosure - Property and Equipment link:calculationLink link:presentationLink link:definitionLink 117 - Disclosure - Commitments and Contingencies link:calculationLink link:presentationLink link:definitionLink 118 - Disclosure - Share-Based Compensation link:calculationLink link:presentationLink link:definitionLink 119 - Disclosure - Regulatory link:calculationLink link:presentationLink link:definitionLink 120 - Disclosure - Summary of Significant Accounting Policies (Policies) link:calculationLink link:presentationLink link:definitionLink 121 - Disclosure - Summary of Significant Accounting Policies (Tables) link:calculationLink link:presentationLink link:definitionLink 122 - Disclosure - Subsequent Event and Assets and Liabilities Held for Sale (Tables) link:calculationLink link:presentationLink link:definitionLink 123 - Disclosure - Investments (Tables) link:calculationLink link:presentationLink link:definitionLink 124 - Disclosure - Net Income Per Common Share (Tables) link:calculationLink link:presentationLink link:definitionLink 125 - Disclosure - Allowance for Doubtful Accounts (Tables) link:calculationLink link:presentationLink link:definitionLink 126 - Disclosure - Property and Equipment (Tables) link:calculationLink link:presentationLink link:definitionLink 127 - Disclosure - Share-Based Compensation (Tables) link:calculationLink link:presentationLink link:definitionLink 128 - Disclosure - Nature of Business - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 129 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 130 - Disclosure - Summary of Significant Accounting Policies - Summary of Revenues Disaggregated by Nature of Transfer of Services (Detail) link:calculationLink link:presentationLink link:definitionLink 131 - Disclosure - Subsequent Event and Assets and Liabilities Held for Sale - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 132 - Disclosure - Subsequent Event and Assets and Liabilities Held for Sale - Summary of Assets Held for Sale and Liabilities Held for Sale (Detail) link:calculationLink link:presentationLink link:definitionLink 133 - Disclosure - Subsequent Event and Assets and Liabilities Held for Sale - Summary of Assets Held for Sale and Liabilities Held for Sale (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 134 - Disclosure - Investments - Summary of Investments (Detail) link:calculationLink link:presentationLink link:definitionLink 135 - Disclosure - Investments - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 136 - Disclosure - Net Income Per Common Share - Summary of Weighted Average Number of Common Shares Outstanding (Detail) link:calculationLink link:presentationLink link:definitionLink 137 - Disclosure - Net Income Per Common Share - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 138 - Disclosure - Allowance for Doubtful Accounts - Schedule of Allowance for Doubtful Accounts (Detail) link:calculationLink link:presentationLink link:definitionLink 139 - Disclosure - Property and Equipment - Summary of Property and Equipment (Detail) link:calculationLink link:presentationLink link:definitionLink 140 - Disclosure - Share-Based Compensation - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 141 - Disclosure - Share-Based Compensation - Summary of Activity Related to Restricted Stock Granted under Company's Incentive Plan (Detail) link:calculationLink link:presentationLink link:definitionLink 142 - Disclosure - Share-Based Compensation - Summary of Activity Related to Stock Options Granted under Company's Incentive Plan (Detail) link:calculationLink link:presentationLink link:definitionLink 143 - Disclosure - Share-Based Compensation - Summary of Activity Related to Stock Options Granted under Company's Incentive Plan (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 144 - Disclosure - Share-Based Compensation - Share-Based Compensation Expense (Detail) link:calculationLink link:presentationLink link:definitionLink 145 - Disclosure - Regulatory - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink