INCOME TAXES (Summary of Tax Expense and Effective Tax Rates) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Income before income taxes	$ 54,694	$ 44,676	$ 73,472	$ 75,005
Income tax expense (benefit)	$ (1,857)	$ 5,478	$ 5,830	$ 11,097
Effective tax rate	(3.40%)	12.30%	7.90%	14.80%