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SHAREHOLDERS' EQUITY - Restricted stock awards (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expense	$ 0	$ 0
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued			105,264
Value of awards			$ 3,000,000
Unrecognized compensation expense	0
Recognized compensation expense	$ 100,000	$ 100,000
Employee service period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued			52,632
Value of awards			$ 1,500,000
Vesting period (in years)			5 years
Performance of mortgage division
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued			52,632
Value of awards			$ 1,500,000