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Summary of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]    
Accrued compensation $ 13,153 $ 10,538
Other reserves 10,297 8,568
Tax credit carryforwards 6,669 5,062
Operating loss carryforwards 4,879 6,914
Lease accounting liability 10,195  
Total gross deferred income taxes 45,193 31,082
Valuation allowances (4,713) (3,128)
Total deferred tax assets 40,480 27,954
Prepaids (4,774) (5,409)
Other receivables (656) (1,588)
Property and equipment (124,964) (119,716)
Goodwill (55,195) (55,118)
Lease right-of-use asset (10,195)  
Total deferred tax liabilities (195,784) (181,831)
Total deferred taxes $ (155,304) $ (153,877)