Loan Portfolio and Allowance for Credit Losses, Allowance for Credit Losses on Unfunded Commitments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Allowance for Credit Losses on Unfunded Commitments [Abstract]
Balance at beginning of period	$ 46,032
Balance at beginning of period		$ 44,267
Balance at end of period	46,685	46,178
Unfunded Loan Commitment [Member]
Allowance for Credit Losses on Unfunded Commitments [Abstract]
Balance at beginning of period	2,912
Balance at beginning of period		18
Credit provision for credit losses	(300)	300
Balance at end of period	$ 2,612	2,653
ASU 2016-13 [Member]
Allowance for Credit Losses on Unfunded Commitments [Abstract]
Balance at beginning of period		46,620
ASU 2016-13 [Member] | Unfunded Loan Commitment [Member]
Allowance for Credit Losses on Unfunded Commitments [Abstract]
Balance at beginning of period		2,353
ASU 2016-13 [Member] | Impact of Adoption [Member]
Allowance for Credit Losses on Unfunded Commitments [Abstract]
Balance at beginning of period		2,353
ASU 2016-13 [Member] | Impact of Adoption [Member] | Unfunded Loan Commitment [Member]
Allowance for Credit Losses on Unfunded Commitments [Abstract]
Balance at beginning of period		$ 2,335