LOANS AND ALLOWANCE FOR CREDIT LOSSES - Allowances by Impairment (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Allowance for credit losses
Individually analyzed	$ 2,047		$ 1,147
Collectively analyzed	23,185		23,062
Total ending allowance balance	25,232	$ 24,890	24,209	$ 22,665	$ 22,522	$ 21,388
Amortized cost basis of loans:
Individually analyzed	5,943		4,187
Collectively analyzed	2,361,208		2,265,374
Total loans, net of deferred loan fees and costs	2,367,151		2,269,561
Commercial and Industrial
Allowance for credit losses
Individually analyzed	662		641
Collectively analyzed	3,551		3,883
Total ending allowance balance	4,213	4,339	4,524	4,524	5,153	4,520
Amortized cost basis of loans:
Individually analyzed	3,072		693
Collectively analyzed	325,293		323,492
Total loans, net of deferred loan fees and costs	328,365		324,185
Commercial Real Estate
Allowance for credit losses
Individually analyzed	1,385		506
Collectively analyzed	14,813		13,857
Total ending allowance balance	16,198	15,643	14,363	12,714	12,089	11,214
Amortized cost basis of loans:
Individually analyzed	2,564		3,167
Collectively analyzed	1,514,822		1,406,560
Total loans, net of deferred loan fees and costs	1,517,386		1,409,727
Residential Mortgages
Allowance for credit losses
Individually analyzed	0		0
Collectively analyzed	2,401		2,788
Total ending allowance balance	2,401	2,397	2,788	2,597	2,473	2,259
Amortized cost basis of loans:
Individually analyzed	0		0
Collectively analyzed	286,875		286,885
Total loans, net of deferred loan fees and costs	286,875		286,885
Consumer Loans
Allowance for credit losses
Individually analyzed	0		0
Collectively analyzed	2,420		2,534
Total ending allowance balance	2,420	$ 2,511	2,534	$ 2,830	$ 2,807	$ 3,395
Amortized cost basis of loans:
Individually analyzed	307		327
Collectively analyzed	234,218		248,437
Total loans, net of deferred loan fees and costs	$ 234,525		$ 248,764