REVENUE FROM CONTRACTS WITH CUSTOMERS (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Revenue from External Customer [Line Items]
BOLI									$ 821	$ 800	$ 813
Net gains on sales of loans held for sale											28
Contract with customer liability	$ 0				$ 0				0	0
Revenue remaining performance obligation	0				0				0	0
FHLMC loan servicing fees									66	85	94
Total non-interest income, net	$ 2,971	$ 2,963	$ 3,134	$ 3,126	$ 2,966	$ 3,116	$ 3,074	$ 3,588	12,194	12,744	11,090
Asset management fees.
Revenue from External Customer [Line Items]
Non-interest income									4,734	4,107	3,646
Debit card and ATM fees
Revenue from External Customer [Line Items]
Non-interest income									3,341	3,499	3,103
Deposit related fees
Revenue from External Customer [Line Items]
Non-interest income									1,737	1,634	1,514
Loan related fees
Revenue from External Customer [Line Items]
Non-interest income									539	1,247	1,229
BOLI Death Benefit In Excess Of Cash Surrender Value
Revenue from External Customer [Line Items]
BOLI death benefit in excess of cash surrender value										500
Other, net
Revenue from External Customer [Line Items]
Non-interest income									$ 956	$ 872	$ 663