Other Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Other Liabilities [Abstract]
Accrued expenses	$ 28,392	$ 28,944
Accrued interest payable	62,732	29,505
Income taxes payable	142	0
Other	17,609	21,127
Other liabilities	$ 108,875	$ 79,576