Accrued Liabilities (Accrued Liabilities) (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Compensation	$ 6,043	$ 3,131
Interest	2,451	2,554
Deferred Revenue	9,741	0
Dividend payable	79	21
Customer Advances, Current	3,198	0
Legal	595	1,594
Other	3,514	2,028
Customer Refundable Fees	647	8,909
Accrued rebate liability	19,613	12,338
Total	$ 45,881	$ 30,575