Fair Value Measurements - Reconciliation of Assets and Liabilities Measured Using Significant Unboservable Inputs (Details)	6 Months Ended
	Jun. 30, 2017 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value adjustment	$ (170,000)
Full House Mortgage Connection, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance at June 30, 2017	6,230,000
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 June 30, 2017	6,230,000
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	(170,000)
Balance at June 30, 2017	$ 6,230,000