INCOME TAXES - Provision (Benefit) for Income Taxes from Continuing Operations (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal									$ 10,825	$ 6,426	$ 8,844
State									1,291	412	1,317
Current income tax expense (benefit)									12,116	6,838	10,161
Deferred:
Federal									(302)	352	55
State									442	(46)	1,480
Deferred income tax expense (benefit)									140	306	1,535
Total	$ 3,620	$ 2,862	$ 2,550	$ 3,224	$ 2,936	$ 3,025	$ 2,642	$ (1,459)	$ 12,256	$ 7,144	$ 11,696