CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Amortized cost	$ 375,476	$ 455,232
Investment securities, held to maturity, fair value	$ 582,648	$ 612,701
Preferred Stock, par value (in dollar per share)	$ 0.01	$ 0.01
Preferred Stock, shares authorized	3,000,000	3,000,000
Preferred Stock, shares outstanding	0	0
Preferred Stock, shares issued	0	0
Common Stock, par value (in dollar per share)	$ 0.01	$ 0.01
Common Stock, shares authorized	90,000,000	90,000,000
Common Stock, shares issued	16,957,753	16,986,785
Common Stock, shares outstanding	16,957,753	16,986,785