INCOME TAXES (Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Document Period End Date													Dec. 31, 2019
Current Federal, State and Local, Tax Expense (Benefit) [Abstract]
Current Federal Tax Expense (Benefit)													$ 25,278	$ 21,869	$ 30,961
Current State and Local Tax Expense (Benefit)													2,494	4,130	3,085
Current													27,772	25,999	34,046
Deferred Federal, State and Local, Tax Expense (Benefit) [Abstract]
Deferred Federal Income Tax Expense (Benefit)													7,738	2,021	58,646
Deferred State and Local Income Tax Expense (Benefit)													1,344	575	(2,204)
Deferred													9,082	2,596	56,442
Provision for (benefit from) income taxes	$ 8,428	$ 8,602	$ 10,955	$ 8,869	$ 3,053	$ 8,084	$ 9,219	$ 8,239	$ 54,986	$ 10,883	$ 12,791	$ 11,828	$ 36,854	$ 28,595	$ 90,488