Loans, Allowance for Credit Losses and Credit Quality TDR on Financing Receivables Post Modification (Details) - USD ($)		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2021
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	[1]		$ 89,000	$ 18,301,000
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification				18,301,000
Financing Receivable, Troubled Debt Restructuring, Subsequent Default		$ 0		0
Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification			89,000	4,153,000
Combination rate and maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification			$ 0	$ 14,148,000

[1] The pre-modification and post-modification balances represent the legal principal balance of the loan. Activity presented in the table above includes $14.3 million of modifications on existing TDR's occurring during the six months ended June 30, 2021.