Loan Portfolio and Allowance for Credit Losses, Allowance for Credit Losses on Unfunded Commitments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($)
Allowance for Credit Losses on Unfunded Commitments [Abstract]
Balance at end of period	$ 46,178
Unfunded Loan Commitment [Member]
Allowance for Credit Losses on Unfunded Commitments [Abstract]
Balance at beginning of period	18
Provision for credit losses	300
Balance at end of period	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