Condensed Consolidated Statements of Financial Condition (Unaudited) (Parenthetical) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Amortized cost	$ 1,267,715,000
Total investment securities	$ 559,312,000	$ 376,331,000
Preferred Stock, No Par Value	$ 0	$ 0
Preferred stock, shares authorized (in shares)	2,500,000	2,500,000
Preferred Stock, Value, Outstanding	$ 0	$ 0
Common stock, no par value (in usd per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	35,103,929	35,105,779
Common stock, shares outstanding (in shares)	35,103,929	35,105,779