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Adoption of Accounting Standards - Current Expected Credit Loss Model (Details) - USD ($)	Mar. 31, 2023	Jan. 01, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Held to maturity, allowance for credit losses	$ 83,000	$ 114,000
Loans, net of unearned income		990,766,000
Less: Allowance for credit losses	12,132,000	11,947,000	$ 10,743,000	$ 11,922,000	$ 12,398,000
Off-Balance-Sheet, credit loss liabilities		923,000
ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Held to maturity, allowance for credit losses	114,000	114,000
Less: Allowance for credit losses	1,200,000	1,200,000
Other commercial and industrial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income		153,389,000
Less: Allowance for credit losses	2,873,000	2,908,000
Other commercial real estate (non-owner occupied)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income		224,913,000
Less: Allowance for credit losses	3,197,000	3,196,000	5,972,000
Residential mortgage
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income		173,777,000
Less: Allowance for credit losses	1,032,000	1,025,000	1,380,000	1,465,000	1,590,000
Allocation for general risk
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Less: Allowance for credit losses			653,000	1,177,000	1,232,000
Commercial | Commercial real estate (owner occupied)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income		81,359,000
Less: Allowance for credit losses	1,320,000	1,380,000
Commercial | Commercial real estate (non-owner occupied)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Less: Allowance for credit losses			5,972,000	5,930,000	6,392,000
Commercial | Commercial real estate (non-owner occupied) - retail
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income		148,901,000
Less: Allowance for credit losses	1,486,000	1,432,000
Commercial | Commercial real estate (non-owner occupied) - multi-family
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income		106,423,000
Less: Allowance for credit losses	1,146,000	1,226,000
Commercial | Commercial (owner occupied real estate and other)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Less: Allowance for credit losses			2,653,000
Consumer. | Consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income		102,004,000
Less: Allowance for credit losses	1,078,000	780,000	85,000	$ 99,000	$ 113,000
Municipal
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Held to maturity, allowance for credit losses	$ 3,000	3,000
Corporate bonds.
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Held to maturity, allowance for credit losses		111,000
Previously Reported [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income			990,766,000
Less: Allowance for credit losses			10,743,000
Off-Balance-Sheet, credit loss liabilities			746,000
Previously Reported [Member] | Other commercial and industrial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income			153,420,000
Previously Reported [Member] | Other commercial real estate (non-owner occupied)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income			450,744,000
Less: Allowance for credit losses			5,972,000
Previously Reported [Member] | Residential mortgage
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income			297,971,000
Less: Allowance for credit losses			1,380,000
Previously Reported [Member] | Allocation for general risk
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Less: Allowance for credit losses			653,000
Previously Reported [Member] | Commercial | Commercial real estate (owner occupied)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income			75,158,000
Previously Reported [Member] | Commercial | Commercial (owner occupied real estate and other)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Less: Allowance for credit losses			2,653,000
Previously Reported [Member] | Consumer. | Consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income			13,473,000
Less: Allowance for credit losses			$ 85,000
Revision of Prior Period, Adjustment | ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Held to maturity, allowance for credit losses		114,000
Less: Allowance for credit losses		1,204,000
Off-Balance-Sheet, credit loss liabilities		177,000
Revision of Prior Period, Adjustment | Other commercial and industrial | ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income		(31,000)
Less: Allowance for credit losses		2,908,000
Revision of Prior Period, Adjustment | Other commercial real estate (non-owner occupied) | ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income		(225,831,000)
Less: Allowance for credit losses		(2,776,000)
Revision of Prior Period, Adjustment | Residential mortgage | ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income		(124,194,000)
Less: Allowance for credit losses		(355,000)
Revision of Prior Period, Adjustment | Allocation for general risk | ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Less: Allowance for credit losses		(653,000)
Revision of Prior Period, Adjustment | Commercial | Commercial real estate (owner occupied) | ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income		6,201,000
Less: Allowance for credit losses		1,380,000
Revision of Prior Period, Adjustment | Commercial | Commercial real estate (non-owner occupied) - retail | ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income		148,901,000
Less: Allowance for credit losses		1,432,000
Revision of Prior Period, Adjustment | Commercial | Commercial real estate (non-owner occupied) - multi-family | ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income		106,423,000
Less: Allowance for credit losses		1,226,000
Revision of Prior Period, Adjustment | Commercial | Commercial (owner occupied real estate and other) | ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Less: Allowance for credit losses		(2,653,000)
Revision of Prior Period, Adjustment | Consumer. | Consumer | ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of unearned income		88,531,000
Less: Allowance for credit losses		695,000
Revision of Prior Period, Adjustment | Municipal | ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Held to maturity, allowance for credit losses		3,000
Revision of Prior Period, Adjustment | Corporate bonds. | ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Held to maturity, allowance for credit losses		$ 111,000

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans held in portfolio, including but not limited to, commercial and consumer loans.

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Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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