Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Assets
Investment securities - available-for-sale, at estimated fair value, net of allowance for credit losses	$ 0	$ 0
Investment securities - available-for-sale, amortized cost	620,314	683,784
Loans, allowance for credit losses	$ 16,596	$ 14,792
Stockholder's Equity:
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	32,000,000	32,000,000
Common stock, shares issued (in shares)	15,482,332	14,652,584
Common stock, shares outstanding (in shares)	15,482,332	14,652,584