FAIR VALUE - Assets and Liabilities Measured on Nonrecurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets and Liabilities Measured on Nonrecurring Basis
Valuation allowance	$ 0	$ 0
Mortgage servicing rights
Assets and Liabilities Measured on Nonrecurring Basis
Valuation allowance	700	700
Level 3
Assets and Liabilities Measured on Nonrecurring Basis
Other real estate owned	508	503
Mortgage servicing rights	983	1,169
Contingent consideration	(2,800)	(2,800)
Non-recurring
Assets and Liabilities Measured on Nonrecurring Basis
Other real estate owned	508	503
Mortgage servicing rights	983	1,169
Contingent consideration	(2,800)	(2,800)
Total	(1,309)	(1,128)
Non-recurring | Level 1
Assets and Liabilities Measured on Nonrecurring Basis
Other real estate owned	0	0
Mortgage servicing rights	0	0
Contingent consideration	0	0
Total	0	0
Non-recurring | Level 2
Assets and Liabilities Measured on Nonrecurring Basis
Other real estate owned	0	0
Mortgage servicing rights	0	0
Contingent consideration	0	0
Total	0	0
Non-recurring | Level 3
Assets and Liabilities Measured on Nonrecurring Basis
Other real estate owned	508	503
Mortgage servicing rights	983	1,169
Contingent consideration	(2,800)	(2,800)
Total	$ (1,309)	$ (1,128)