Fair Values - Fair Value by Balance Sheet Grouping (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
Carrying Value
Cash and Cash Equivalents	$ 294,739	$ 64,660	$ 373,429	$ 457,696
Securities Available-for-Sale	519,240	573,495	575,054
Held-To-Maturity Securities, at Amortized Cost	140,577	175,364	182,178
Equity Securities	1,960	2,174	2,126
Net Loans	3,107,505	2,953,255	2,895,562
Deposits	3,666,485	3,498,364	3,795,105
Borrowings	174,300	54,800	25,000
Federal Home Loan Bank Term Advances	10,000	27,000	0
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	20,000	20,000	20,000
Fair Value
Securities Available-for-Sale	519,240	573,495	575,054
Securities Held-to-Maturity	134,811	171,623	175,800
Equity Securities	1,960	2,174	2,126
Carrying Amount
Carrying Value
Cash and Cash Equivalents	294,739	64,660	373,429
Securities Available-for-Sale	519,240	573,495	575,054
Held-To-Maturity Securities, at Amortized Cost	140,577	175,364	182,178
Equity Securities	1,960	2,174	2,126
Federal Home Loan Bank and Federal Reserve Bank Stock	5,110	6,064	4,720
Net Loans	3,107,505	2,953,255	2,895,562
Accrued Interest Receivable	11,163	9,890	8,549
Derivative Assets	8,860	7,506	8,508
Deposits	3,666,485	3,498,364	3,795,105
Federal Home Loan Bank Term Advances		27,800
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	20,000	20,000	20,000
Accrued Interest Payable	7,432	357	202
Derivative Liabilities	8,733	7,506	8,508
Fair Value
Securities Available-for-Sale	519,240	573,495	575,054
Equity Securities	1,960	2,174	2,126
Derivative Assets	8,860	7,506	8,508
Federal Home Loan Bank Term Advances			25,000
Derivative Liabilities	8,733	7,506	8,508
Fair Value
Carrying Value
Securities Available-for-Sale	519,240	573,495	575,054
Equity Securities	1,960	2,174	2,126
Derivative Assets	8,860	7,506	8,508
Derivative Liabilities	8,733	7,506	8,508
Fair Value
Cash and Cash Equivalents	294,739	64,660	373,429
Securities Available-for-Sale	519,240	573,495	575,054
Securities Held-to-Maturity	134,811	171,623	175,800
Equity Securities	1,960	2,174	2,126
Federal Home Loan Bank and Federal Reserve Bank Stock, Fair Value	5,110	6,064	4,720
Net Loans	2,867,016	2,742,721	2,714,587
Accrued Interest Receivable	11,163	9,890	8,549
Derivative Assets	8,860	7,506	8,508
Deposits	3,660,360	3,492,021	3,785,960
Borrowings	173,709
Federal Home Loan Bank Term Advances		27,757	24,833
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	20,000	20,000	20,000
Accrued Interest Payable	7,432	357	202
Derivative Liabilities	8,733	7,506	8,508
Quoted Prices In Active Markets for Indentical Assets (Level 1) | Fair Value
Carrying Value
Securities Available-for-Sale	0	0	0
Equity Securities	0		0
Derivative Assets		0	0
Derivative Liabilities	0	0	0
Fair Value
Cash and Cash Equivalents	294,739	64,660	373,429
Securities Available-for-Sale	0	0	0
Securities Held-to-Maturity	0	0	0
Equity Securities	0		0
Federal Home Loan Bank and Federal Reserve Bank Stock, Fair Value	0	0	0
Net Loans	0	0	0
Accrued Interest Receivable	0	0	0
Derivative Assets		0	0
Deposits	0	0	0
Borrowings	0
Federal Home Loan Bank Term Advances		0	0
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	0	0	0
Accrued Interest Payable	0	0	0
Derivative Liabilities	0	0	0
Significant Other Observable Inputs (Level 2) | Fair Value
Carrying Value
Securities Available-for-Sale	519,240	573,495	575,054
Equity Securities	1,960	2,174	2,126
Derivative Assets	8,860	7,506	8,508
Derivative Liabilities	8,733	7,506	8,508
Fair Value
Cash and Cash Equivalents	0	0	0
Securities Available-for-Sale	519,240	573,495	575,054
Securities Held-to-Maturity	134,811	171,623	175,800
Equity Securities	1,960	2,174	2,126
Federal Home Loan Bank and Federal Reserve Bank Stock, Fair Value	5,110	6,064	4,720
Net Loans	0	0	0
Accrued Interest Receivable	11,163	9,890	8,549
Derivative Assets	8,860	7,506	8,508
Deposits	3,660,360	3,492,021	3,785,960
Borrowings	173,709
Federal Home Loan Bank Term Advances		27,757	24,833
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	20,000	20,000	20,000
Accrued Interest Payable	7,432	357	202
Derivative Liabilities	8,733	7,506	8,508
Significant Unobservable Inputs (Level 3) | Fair Value
Carrying Value
Securities Available-for-Sale	0	0	0
Equity Securities	0
Derivative Assets		0	0
Derivative Liabilities	0	0	0
Fair Value
Cash and Cash Equivalents	0	0	0
Securities Available-for-Sale	0	0	0
Securities Held-to-Maturity	0	0	0
Equity Securities	0
Federal Home Loan Bank and Federal Reserve Bank Stock, Fair Value	0	0	0
Net Loans	2,867,016	2,742,721	2,714,587
Accrued Interest Receivable	0	0	0
Derivative Assets		0	0
Deposits	0	0	0
Borrowings	0
Federal Home Loan Bank Term Advances		0	0
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	0	0	0
Accrued Interest Payable	0	0	0
Derivative Liabilities	$ 0	$ 0	$ 0