Income Taxes (Schedule Presents Net Current and Net Long-Term Deferred Tax Assets and Liabilities by Tax Jurisdiction) (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Deferred Tax Assets and Liabilities [Line Items]
Deferred Tax Assets, Current	$ 5,614	$ 3,938
Deferred Tax Assets, Long-term	1,408	574
Deferred Tax Liabilities, Current	0	0
Deferred Tax Liabilities, Long-term	13,867	8,747
Federal [Member]
Deferred Tax Assets and Liabilities [Line Items]
Deferred Tax Assets, Current	3,399	3,219
Deferred Tax Assets, Long-term	0	0
Deferred Tax Liabilities, Current	0	0
Deferred Tax Liabilities, Long-term	10,562	7,780
State [Member]
Deferred Tax Assets and Liabilities [Line Items]
Deferred Tax Assets, Current	711	321
Deferred Tax Assets, Long-term	1,408	479
Deferred Tax Liabilities, Current	0	0
Deferred Tax Liabilities, Long-term	0	0
Foreign [Member]
Deferred Tax Assets and Liabilities [Line Items]
Deferred Tax Assets, Current	1,504	398
Deferred Tax Assets, Long-term	0	95
Deferred Tax Liabilities, Current	0	0
Deferred Tax Liabilities, Long-term	$ 3,305	$ 967