INCOME TAXES - Statutory Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statutory rate
Statutory tax rate (as a percentage)	21.00%	21.00%	35.00%
Reconciliation
Statutory federal expense (35%)	$ 48,374	$ 44,699	$ 81,781
Statutory state income tax expense, net of federal tax benefit	9,281	8,744	7,594
Revaluation of deferred tax liabilities, net			(58,313)
Other	(534)	(1,535)	(9,235)
Income tax expense	$ 57,121	$ 51,908	$ 21,827

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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