Other Liabilities (Details) - USD ($)	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017
Other Liabilities Disclosure [Abstract]
Deferred lease liabilities	$ 2,736,000		$ 2,819,000
Transaction processing liabilities	16,824,000		16,435,000
Servicing liabilities	2,272,000	$ 2,187,000	2,071,000	$ 0
Distributions payable	11,171,000		13,189,000
Accruals and other liabilities	6,609,000		4,327,000
Total other liabilities	$ 39,612,000		$ 38,841,000