CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Paid-in Capital [Member]	Treasury Stock, Common [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]
Beginning balance at Dec. 31, 2022	$ 219,601	$ 34,547	$ 81,291	$ (19,452)	$ 131,488	$ (8,273)
Net income	6,097				6,097
Other comprehensive loss	1,241					1,241
Change in accounting principle	(284)				(284)
Formation of Princeton Bancorp, Inc.		(34,547)	15,095	19,452
Stock options exercised	297	0	297
Dividends declared	(1,843)				(1,843)
Stock-based compensation expense	164		164
Dividend reinvestment plan		0	33		(33)
Ending balance at Mar. 31, 2023	225,273	0	96,880	0	135,425	(7,032)
Beginning balance at Dec. 31, 2023	240,211	0	98,291	0	149,414	(7,494)
Net income	4,345				4,345
Other comprehensive loss	(291)					(291)
Stock options exercised	34	0	34
Share redemption for tax withholding on restricted stock vesting	(249)		(249)
Dividends declared	(1,866)				(1,866)
Purchase of treasury stock	(579)			(579)
Stock-based compensation expense	203		203
Dividend reinvestment plan		0	33		(33)
Ending balance at Mar. 31, 2024	$ 241,808	$ 0	$ 98,312	$ (579)	$ 151,860	$ (7,785)