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BUSINESS COMBINATION - Schedule of Business Acquisition, Pro Forma Information (Details) - Essa Acquisition - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Business Combination [Line Items]
CNB Standalone Revenues	$ 77,695	$ 58,459	$ 195,838	$ 167,218
ESSA Standalone Revenues	4,419	16,516	37,306	49,661
Loan Accretion	6,422	7,706	19,265	23,118
Total revenues	88,536	82,681	252,409	239,997
Net income available to common shareholders	$ 13,313	$ 23,428	$ 55,315	$ 71,145

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