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Troubled Debt Restructurings (Details Textual)	3 Months Ended
	Mar. 31, 2022 USD ($) Loans Customer	Mar. 31, 2021 USD ($) Loans	Dec. 31, 2021 USD ($)
Financing Receivable Modifications [Line Items]
Total troubled debt restructurings	$ 3,800,000		$ 3,900,000
Commitments to lend additional amounts to borrowers classified as troubled debt restructurings	0		0
Provision for credit losses	(930,000)	$ 425,000
Small Business Administration (SBA), CARES Act, Paycheck Protection Program
Financing Receivable Modifications [Line Items]
Total troubled debt restructurings	$ 256,400,000
Number of business customers facilitated assistance | Customer	2,134
Payments received from forgiveness of loans		107,900,000
Small Business Administration (SBA), CARES Act, Paycheck Protection Program | PPP Loan Originated In 2020
Financing Receivable Modifications [Line Items]
Payments received from forgiveness of loans	$ 256,300,000
Percentage of payments received from forgiveness of loans	99.98%
Small Business Administration (SBA), CARES Act, Paycheck Protection Program | PPP Loan Originated In 2021
Financing Receivable Modifications [Line Items]
Payments received from forgiveness of loans		$ 84,900,000
Percentage of payments received from forgiveness of loans		78.70%
Payment Deferral
Financing Receivable Modifications [Line Items]
Number of months offered, deferrals	3 months
Payment Deferral | Minimum
Financing Receivable Modifications [Line Items]
Number of months offered, deferrals	3 months
Payment Deferral | Maximum
Financing Receivable Modifications [Line Items]
Number of months offered, deferrals	12 months
Residential Mortgage
Financing Receivable Modifications [Line Items]
Troubled debt restructured loans with subsequent payment defaults | Loans | Loans	1	1
Financing receivable number of loans past due | Loans	0	0
Provision for loan losses	$ 0	$ 0
Loans default payment past due period	30 days	30 days
Troubled debt restructurings
Financing Receivable Modifications [Line Items]
Specific reserves to loans	$ 111,000		$ 109,000
Allowance adjustment charge offs	0	$ 20,000
Provision for credit losses	$ 0	$ 20,000
Contractual Interest Rate Reduction
Financing Receivable Modifications [Line Items]
Reduction of the notes stated interest rate	3.345%	4.075%
Extended Maturity
Financing Receivable Modifications [Line Items]
Maturity period loans		22 days

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