Fair Value Measurements - Reconciliation of Assets and Liabilities Measured Using Significant Unboservable Inputs (Details)	3 Months Ended
	Mar. 31, 2017 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value adjustment	$ 130,000
Full House Mortgage Connection, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance at March 31, 2017	6,530,000
Full House Mortgage Connection, Inc. | Measured on a recurring basis | Contingent consideration
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance at January 1, 2017	6,400,000
Balance at March 31, 2017	6,530,000
Full House Mortgage Connection, Inc. | Level 3 | Measured on a recurring basis | Contingent consideration
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance at January 1, 2017	6,400,000
Fair value adjustment	130,000
Balance at March 31, 2017	$ 6,530,000