Other Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Payables And Accruals [Abstract]
Deposits and amounts due to customers	$ 9,351	$ 10,591
Dividends payable	4,190	4,267
Accrued litigation and professional fees	308	3,458
Other accrued expenses	9,379	7,856
Other accrued expenses, Total	$ 23,228	$ 26,172