Loan Portfolio and Allowance for Credit Losses, Allowance for Credit Losses on Unfunded Commitments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Allowance for Credit Losses on Unfunded Commitments [Abstract]
Balance at beginning of period	$ 46,914	$ 45,285	$ 46,032
Balance at beginning of period				$ 44,267
(Credit) provision for credit losses	200	200	1,000	1,000
Balance at end of period	47,226	45,517	47,226	45,517
Unfunded Loan Commitment [Member]
Allowance for Credit Losses on Unfunded Commitments [Abstract]
Balance at beginning of period	2,112	3,162	2,912
Balance at beginning of period				18
(Credit) provision for credit losses	(200)	200	(1,000)	1,009
Balance at end of period	$ 1,912	$ 3,362	$ 1,912	3,362
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