SHAREHOLDERS' EQUITY AND REGULATORY CAPITAL - Narrative (Details) - $ / shares		3 Months Ended
	Apr. 21, 2026	Mar. 31, 2026	Mar. 31, 2025	Jun. 20, 2025
Equity, Class of Treasury Stock [Line Items]
Common stock reserved to be issued under dividend reinvestment and stock purchase plan (in shares)		1,045,000
Shares available to be issued under the plan (in shares)		665,000
Treasury stock, shares acquired (in shares)		104,219	120,975
Stock repurchase program, shares available for future repurchase (in shares)		479,070
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Dividends paid per share (in usd per share)	$ 0.30
Common Stock
Equity, Class of Treasury Stock [Line Items]
Treasury stock, shares acquired (in shares)		12,600
2025 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Number of shares authorized to be repurchased (in shares)				500,000
Stock available for future repurchases, percentage		2.40%