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Summary of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Accrued compensation $ 12,467 $ 13,153
Other reserves 14,154 10,297
Tax credit carryforwards 8,715 6,669
Operating loss carryforwards 2,845 4,879
Lease accounting liability 11,669 10,195
Total gross deferred income taxes 49,850 45,193
Valuation allowances (6,518) (4,713)
Total deferred tax assets 43,332 40,480
Prepaids (6,404) (4,774)
Other receivables   (656)
Property and equipment (132,669) (124,964)
Goodwill (55,166) (55,195)
Lease right-of-use asset (11,418) (10,195)
Total deferred tax liabilities (205,657) (195,784)
Total deferred taxes $ (162,325) $ (155,304)