Other Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Payables And Accruals [Abstract]
Deposits and amounts due to customers	$ 7,577	$ 9,351
Dividends payable	4,085	4,190
Accrued litigation and professional fees	1,171	308
Other accrued expenses	5,189	9,379
Other accrued expenses, Total	$ 18,022	$ 23,228