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INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Deferred tax assets:    
Accrued expenses and reserves $ 34,647 $ 26,572
Net operating loss carryforwards 31,241 33,228
Book over tax depreciation of property and equipment 19,048 25,615
General business tax credit carryforwards 6,192 5,439
Stock awards 2,310 1,958
Alternative minimum tax credit carryforwards 1,902 3,804
Other 3,023 2,050
Total deferred tax assets 98,363 98,666
Less: valuation allowance (69,189) (68,355)
Total deferred tax assets after valuation allowance 29,174 30,311
Deferred tax liabilities:    
Amortization of intangibles (22,026) (20,904)
Other (73) (145)
Total deferred tax liabilities (22,099) (21,049)
Net deferred tax asset $ 7,075 $ 9,262