Income Taxes - Components of Deferred Income Tax Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Impairment and other valuation reserves	$ 31,781	$ 37,573
Incentive compensation	5,818	5,946
Indirect costs capitalized	21,160	20,348
Operating lease liability	14,210
Net operating loss carryforwards (state)	13,254	18,702
State taxes	1,315	2,275
Other costs and expenses	10,909	10,848
Gross deferred tax assets	98,447	95,692
Valuation allowance	(3,450)	(3,449)
Deferred tax assets, net of valuation allowance	94,997	92,243
Deferred tax liabilities:
Interest capitalized	(7,944)	(7,355)
Basis difference in inventory	(6,982)	(8,170)
Fixed assets	(10,766)	(2,473)
Intangibles	(5,062)	(5,187)
Operating lease asset	(13,131)
Deferred financing costs	(757)	(802)
Other	(451)	(488)
Deferred tax liabilities	(45,093)	(24,475)
Net deferred tax assets	$ 49,904	$ 67,768