INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income tax expense	$ 12,859	$ 11,199	$ 29,839	$ 32,884
Effective tax rate	20.20%	31.10%	20.20%	31.40%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%	35.00%
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 2,900		$ 2,900		$ 2,900