Loan Portfolio and Allowance for Credit Losses, Allowance for Credit Losses on Unfunded Commitments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Allowance for Credit Losses on Unfunded Commitments [Abstract]
Balance at beginning of period	$ 46,685	$ 46,178	$ 46,032
Balance at beginning of period				$ 44,267
Credit provision for credit losses	500	509	800	809
Balance at end of period	46,914	45,285	46,914	45,285
Unfunded Loan Commitment [Member]
Allowance for Credit Losses on Unfunded Commitments [Abstract]
Balance at beginning of period	2,612	2,653	2,912
Balance at beginning of period				18
Credit provision for credit losses	(500)	509	(800)	809
Balance at end of period	$ 2,112	$ 3,162	$ 2,112	3,162
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