Income Taxes (Schedule Presents Net Current and Net Long-Term Deferred Tax Assets and Liabilities by Tax Jurisdiction) (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred Tax Assets and Liabilities [Line Items]
Deferred Tax Assets, Current	$ 4,613	$ 5,614
Deferred Tax Assets, Long-term	134	1,408
Deferred Tax Liabilities, Current	0	0
Deferred Tax Liabilities, Long-term	14,997	13,867
Federal
Deferred Tax Assets and Liabilities [Line Items]
Deferred Tax Assets, Current	3,684	3,399
Deferred Tax Assets, Long-term	0	0
Deferred Tax Liabilities, Current	0	0
Deferred Tax Liabilities, Long-term	12,504	10,562
State
Deferred Tax Assets and Liabilities [Line Items]
Deferred Tax Assets, Current	147	711
Deferred Tax Assets, Long-term	134	1,408
Deferred Tax Liabilities, Current	0	0
Deferred Tax Liabilities, Long-term	0	0
Foreign
Deferred Tax Assets and Liabilities [Line Items]
Deferred Tax Assets, Current	782	1,504
Deferred Tax Assets, Long-term	0	0
Deferred Tax Liabilities, Current	0	0
Deferred Tax Liabilities, Long-term	$ 2,493	$ 3,305