Annual report pursuant to Section 13 and 15(d)

Income Taxes - Components of Net Deferred Tax Assets and Liabilities (Detail)

v2.4.1.9
Income Taxes - Components of Net Deferred Tax Assets and Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]    
Deferred Tax Asset - Current $ 7,762us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent $ 5,291us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent
Deferred Tax Liabilities - Current   (970)us-gaap_DeferredTaxLiabilitiesCurrent
Deferred Tax Liabilities - Long-term (20,939)us-gaap_DeferredTaxLiabilitiesNoncurrent (24,230)us-gaap_DeferredTaxLiabilitiesNoncurrent
Net Deferred Tax Liabilities $ (13,177)us-gaap_DeferredTaxAssetsLiabilitiesNet $ (19,909)us-gaap_DeferredTaxAssetsLiabilitiesNet