Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Accrued Expenses and Other Liabilities [Abstract]
Accrued interest payable	$ 8,019	$ 4,252
Escrow funds held	37	37
Net current tax payable	152	0
Net deferred tax payable	2,078	843
Accrued expenses	5,259	6,882
Total accrued expenses and other liabilities	$ 15,545	$ 12,014