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REVENUE FROM CONTRACTS WITH CUSTOMERS - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Total non-interest income	$ 8,918	$ 8,386
Within the scope of ASC 606
Disaggregation of Revenue [Line Items]
Total non-interest income	7,441	7,380
Not within the scope of ASC 606
Disaggregation of Revenue [Line Items]
Total non-interest income	1,477	1,006
Products and services transferred at a point in time | Within the scope of ASC 606
Disaggregation of Revenue [Line Items]
Total non-interest income	3,810	3,926
Products and services transferred over time | Within the scope of ASC 606
Disaggregation of Revenue [Line Items]
Total non-interest income	3,631	3,454
Non-interest Income | Within the scope of ASC 606
Disaggregation of Revenue [Line Items]
Total non-interest income	7,441	7,380
Trust management fees | Within the scope of ASC 606
Disaggregation of Revenue [Line Items]
Total non-interest income	3,459	3,243
Financial services fees | Within the scope of ASC 606
Disaggregation of Revenue [Line Items]
Total non-interest income	457	427
Interchange fees | Within the scope of ASC 606
Disaggregation of Revenue [Line Items]
Total non-interest income	1,921	1,970
Customer deposit fees | Within the scope of ASC 606
Disaggregation of Revenue [Line Items]
Total non-interest income	1,377	1,502
Other customer service fees | Within the scope of ASC 606
Disaggregation of Revenue [Line Items]
Total non-interest income	$ 227	$ 238

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The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.

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