INCOME TAXES - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2021	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Current expense
Federal						$ 3,945	$ 0
State						1,807	23
Total current expense						5,752	23
Deferred expense (benefit)
Federal						(1,676)	(3,047)
State						(1,130)	(835)
Change in valuation allowance						2,806	3,882
Total deferred expense (benefit)						0	0
Income tax expense	$ 1,167	$ 1,382	$ 1,713	$ 3,095	$ 4,262	$ 5,752	$ 23