Borrowings (Additional Information) (Details) - USD ($)	1 Months Ended	12 Months Ended
	Apr. 30, 2006	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2006	Jan. 31, 2024	May 31, 2023	Dec. 31, 2008
Short-term Debt [Line Items]
Federal Home Loan Bank Advances		$ 149,950,000	$ 68,725,000
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged		1,900,000,000	1,800,000,000
Line of credit, maximum borrowing capacity		50,000,000
Securities Sold under Agreements to Repurchase		200,657,000	196,451,000
Interest on subordinated debentures		2,150,000	2,140,000	$ 2,523,000
Long-term Line of Credit		0
Subordinated Debt		44,331,000	44,331,000
Federal Home Loan Bank Advances [Member]
Short-term Debt [Line Items]
Line of credit, maximum borrowing capacity		9,900,000	9,900,000
Securities Sold under Agreements to Repurchase		125,000,000
Long-term Line of Credit		0
Federal Home Loan Bank Advances [Member] | Asset Pledged as Collateral | Securities Investment
Short-term Debt [Line Items]
Financial Instruments, Owned, at Fair Value		4,300,000	$ 22,000
PNC [Member]
Short-term Debt [Line Items]
Line of credit, maximum borrowing capacity		35,000,000
Long-term Line of Credit		0
Federal Reserve Bank Advances [Member]
Short-term Debt [Line Items]
Line of credit, maximum borrowing capacity		39,400,000
Long-term Line of Credit		0
Federal Reserve Bank Advances [Member] | Securities Investment
Short-term Debt [Line Items]
Financial Instruments, Owned, at Fair Value		$ 47,500,000
Junior Subordinated Debt
Short-term Debt [Line Items]
Percentage of trust preferred securities included in Tier I Capital ratio		8.00%
Value Of Trust Preferred Securities Included In Tier One Capital		$ 43,000,000
Subordinated Debt		43,000,000
Debt Instrument, Face Amount								$ 43,000,000
Bank term funding program | Asset Pledged as Collateral | Securities Investment
Short-term Debt [Line Items]
Financial Instruments, Owned, at Fair Value		$ 160,900,000
Bank term funding program | Short-term Debt
Short-term Debt [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		4.70%
Debt Instrument, Face Amount		$ 135,000,000					$ 135,000,000
Bank term funding program | Short-term Debt | Subsequent Event [Member]
Short-term Debt [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						4.76%
Debt Instrument, Face Amount						$ 225,000,000
Interest rate swaps | Federal Home Loan Bank Advances [Member]
Short-term Debt [Line Items]
Securities Sold under Agreements to Repurchase		$ 50,000,000
Subsidiary One [Member] | Junior Subordinated Debt
Short-term Debt [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		6.99%	5.07%
Value of outstanding common shares of subsidiary owned by company	$ 1,100,000
Proceeds from issuance of trust preferred securities	$ 36,100,000
Debt interest rate, additional rate over three month LIBOR	1.40%
Long-term borrowings		$ 36,083,000	$ 36,083,000
Subsidiary One [Member] | Junior Subordinated Debt | Secured Overnight Financing Rate (SOFR)
Short-term Debt [Line Items]
Debt interest rate, additional rate over three month LIBOR					0.26161%
Subsidiary Two [Member] | Junior Subordinated Debt
Short-term Debt [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		7.08%	5.50%
Value of outstanding common shares of subsidiary owned by company					$ 248,000
Trust preferred securities assumed in acquisition								$ 8,000,000
Aggregate amount of junior subordinated debt issued to subsidiary by acquired company, prior to acquisition					$ 8,200,000
Debt Instrument, Term					30 years
Long-term borrowings		$ 8,248,000	$ 8,248,000
Subsidiary Two [Member] | Junior Subordinated Debt | Secured Overnight Financing Rate (SOFR)
Short-term Debt [Line Items]
Debt interest rate, additional rate over three month LIBOR					0.26161%
Subsidiary Two [Member] | Junior Subordinated Debt | London Interbank Offered Rate (LIBOR),1
Short-term Debt [Line Items]
Debt interest rate, additional rate over three month LIBOR					1.42%