INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Deferred tax assets:
Net operating loss carryforwards	$ 33,228	$ 46,846
Accrued expenses and reserves	26,572	32,185
Book over tax depreciation of property and equipment	25,615	30,012
General business tax credit carryforwards	5,439	4,433
Alternative minimum tax credit carryforwards	3,804	3,804
Stock awards	1,958	1,720
Other	2,050	2,806
Total deferred tax assets	98,666	121,806
Less: valuation allowance	(68,355)	(97,589)
Total deferred tax assets after valuation allowance	30,311	24,217
Deferred tax liabilities:
Amortization of intangibles	(20,904)	(30,296)
Other	(145)	(99)
Total deferred tax liabilities	(21,049)	(30,395)
Net deferred tax asset	$ 9,262
Net deferred tax liability		$ (6,178)