Income Taxes - Components of the Company's Deferred Tax Assets (Liabilities) (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Tax basis of property, equipment and other assets over book basis	$ 56,892	$ 58,080
Net operating loss carryforwards	21,867	21,298
Deferred income	10,708	10,193
Deferred rent	7,305	6,515
Equity compensation accruals	4,155	3,894
Compensation and other accruals	3,293	2,842
Tax basis of goodwill and intangible property over book	779	1,881
Basis difference in investee	74	1,056
Alternative minimum tax credit carryforwards	2,087	779
Valuation allowance	(860)	0
Total deferred tax asset	$ 106,300	$ 106,538