Other Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Payables And Accruals [Abstract]
Deposits and amounts due to customers	$ 3,110	$ 9,351
Dividends payable	4,242	4,190
Accrued litigation and professional fees	681	308
Other accrued expenses	5,618	9,379
Other accrued expenses, Total	$ 13,651	$ 23,228