Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Accrued Expenses and Other Liabilities [Abstract]
Accrued interest payable	$ 8,528	$ 8,056
Net current tax payable	4	152
Net deferred tax payable	0	2,078
Accrued expenses	4,174	5,259
Total accrued expenses and other liabilities	$ 12,706	$ 15,545