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Income Taxes - Components of Deferred Income Tax Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Deferred tax assets:    
Impairment and other valuation reserves $ 37,573 $ 40,438
Incentive compensation 5,946 5,851
Indirect costs capitalized 20,348 19,574
Net operating loss carryforwards (state) 18,702 25,172
State taxes 2,275 2,181
Other costs and expenses 10,848 11,354
Gross deferred tax assets 95,692 104,570
Valuation allowance (3,449) (3,478)
Deferred tax assets, net of valuation allowance 92,243 101,092
Deferred tax liabilities:    
Interest capitalized (7,355) (7,144)
Basis difference in inventory (8,170) (9,207)
Fixed assets (2,473) (1,710)
Intangibles (5,187) (5,360)
Deferred financing costs (802) (898)
Other (488) (360)
Deferred tax liabilities (24,475) (24,679)
Net deferred tax assets $ 67,768 $ 76,413