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Troubled Debt Restructurings (Details Textual)	3 Months Ended		6 Months Ended	9 Months Ended
	Sep. 30, 2022 USD ($) Loans Customer	Sep. 30, 2021 USD ($) Loans	Jun. 30, 2022	Sep. 30, 2022 USD ($) Loans Customer	Sep. 30, 2021 USD ($) Loans	Dec. 31, 2021 USD ($)
Financing Receivable Modifications [Line Items]
Total troubled debt restructurings	$ 3,800,000			$ 3,800,000		$ 3,900,000
Commitments to lend additional amounts to borrowers classified as troubled debt restructurings	0			0		0
Reduction of the notes stated interest rate		0.25%
Allowance adjustment charge offs	36,000	$ 15,000		36,000	$ 91,000
Provision for credit losses	433,000	$ (947,000)		(15,000)	(472,000)
Small Business Administration (SBA), CARES Act, Paycheck Protection Program
Financing Receivable Modifications [Line Items]
Total troubled debt restructurings	$ 256,400,000			$ 256,400,000
Number of business customers facilitated assistance | Customer	2,134			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				$ 256,400,000
Percentage of payments received from forgiveness of loans				99.99%
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					$ 107,300,000
Percentage of payments received from forgiveness of loans					99.42%
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
Consumer, Indirect
Financing Receivable Modifications [Line Items]
Troubled debt restructured loans with subsequent payment defaults | Loans | Loans		1			1
Residential Mortgage
Financing Receivable Modifications [Line Items]
Troubled debt restructured loans with subsequent payment defaults | Loans | Loans	3	1		3	1
Provision for loan losses				$ 0
Loans default payment past due period				30 days
Commercial Loans
Financing Receivable Modifications [Line Items]
Troubled debt restructured loans with subsequent payment defaults | Loans | Loans		2			2
Provision for loan losses					$ 0
Loans default payment past due period					30 days
Troubled debt restructurings
Financing Receivable Modifications [Line Items]
Specific reserves to loans	$ 108,000			$ 108,000		$ 109,000
Provision for credit losses	$ 36,000	$ 15,000		$ 36,000	$ 90,000
Contractual Interest Rate Reduction | Minimum
Financing Receivable Modifications [Line Items]
Reduction of the notes stated interest rate	1.00%			1.00%	0.25%
Contractual Interest Rate Reduction | Maximum
Financing Receivable Modifications [Line Items]
Reduction of the notes stated interest rate	3.75%		3.75%		4.075%
Extended Maturity
Financing Receivable Modifications [Line Items]
Maturity period loans		193 months
Extended Maturity | Minimum
Financing Receivable Modifications [Line Items]
Maturity period loans				5 months	22 days
Extended Maturity | Maximum
Financing Receivable Modifications [Line Items]
Maturity period loans	120 months		183 months		361 months

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