Fair Values - Fair Value by Balance Sheet Grouping (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Carrying Value
Cash and Cash Equivalents	$ 487,578	$ 457,696	$ 452,207	$ 380,991
Securities Available-for-Sale	582,428	559,316	464,089
Held-To-Maturity Securities, at Amortized Cost	196,661	196,566	214,561
Equity Securities	1,877	1,747	1,796
Net Loans	2,709,606	2,640,660	2,612,403
Deposits	3,715,373	3,550,497	3,453,588
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase	0	0	6,795
Federal Home Loan Bank Term Advances	25,000	45,000	45,000
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	20,000	20,000	20,000
Fair Value
Securities Available-for-Sale	582,428	559,316	464,089
Securities Held-to-Maturity	195,862	201,292	221,360
Equity Securities	1,877	1,747	1,796
Carrying Amount
Carrying Value
Cash and Cash Equivalents	487,578	457,696	452,207
Securities Available-for-Sale	582,428	559,316	464,089
Held-To-Maturity Securities, at Amortized Cost	196,661	196,566	214,561
Equity Securities	1,877	1,747	1,796
Federal Home Loan Bank and Federal Reserve Bank Stock	4,491	5,380	5,360
Net Loans	2,709,606	2,640,660	2,612,403
Accrued Interest Receivable	8,099	7,384	8,258
Derivatives, included in other assets	4,131	2,083	2,298
Deposits	3,715,373	3,550,497	3,453,588
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase			6,795
Federal Home Loan Bank Overnight Advances		45,000
Federal Home Loan Bank Term Advances	25,000		45,000
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	20,000	20,000	20,000
Accrued Interest Payable	102	138	237
Derivatives, included in other liabilities	4,131	2,083	2,298
Fair Value
Securities Available-for-Sale	582,428	559,316	464,089
Equity Securities	1,877	1,747	1,796
Derivatives, included in other assets	4,131	2,083	2,298
Derivatives, included in other liabilities	4,131	2,083	2,298
Fair Value
Carrying Value
Securities Available-for-Sale	582,428	559,316	464,089
Equity Securities	1,877	1,747	1,796
Derivatives, included in other assets	4,131	2,083	2,298
Derivatives, included in other liabilities	4,131	2,083	2,298
Fair Value
Cash and Cash Equivalents	487,578	457,696	452,207
Securities Available-for-Sale	582,428	559,316	464,089
Securities Held-to-Maturity	195,862	201,292	221,360
Equity Securities	1,877	1,747	1,796
Federal Home Loan Bank and Federal Reserve Bank Stock, Fair Value	4,491	5,380	5,360
Net Loans	2,648,804	2,618,311	2,603,225
Accrued Interest Receivable	8,099	7,384	8,258
Derivatives, included in other assets	4,131	2,083	2,298
Deposits	3,711,189	3,548,554	3,265,208
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase			6,795
Federal Home Loan Bank Overnight Advances		45,518
Federal Home Loan Bank Term Advances	25,001		46,176
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	20,000	20,000	20,000
Accrued Interest Payable	102	138	237
Derivatives, included in other liabilities	4,131	2,083	2,298
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	0
Derivatives, included in other assets		0	0
Derivatives, included in other liabilities	0	0	0
Fair Value
Cash and Cash Equivalents	487,578	457,696	452,207
Securities Available-for-Sale	0	0	0
Securities Held-to-Maturity	0	0	0
Equity Securities	0	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
Derivatives, included in other assets		0	0
Deposits	0	0	0
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase			0
Federal Home Loan Bank Overnight Advances		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
Derivatives, included in other liabilities	0	0	0
Significant Other Observable Inputs (Level 2) | Fair Value
Carrying Value
Securities Available-for-Sale	582,428	559,316	464,089
Equity Securities	1,877	1,747	1,796
Derivatives, included in other assets	4,131	2,083	2,298
Derivatives, included in other liabilities	4,131	2,083	2,298
Fair Value
Cash and Cash Equivalents	0	0	0
Securities Available-for-Sale	582,428	559,316	464,089
Securities Held-to-Maturity	195,862	201,292	221,360
Equity Securities	1,877	1,747	1,796
Federal Home Loan Bank and Federal Reserve Bank Stock, Fair Value	4,491	5,380	5,360
Net Loans	0	0	0
Accrued Interest Receivable	8,099	7,384	8,258
Derivatives, included in other assets	4,131	2,083	2,298
Deposits	3,711,189	3,548,554	3,265,208
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase			6,795
Federal Home Loan Bank Overnight Advances		45,518
Federal Home Loan Bank Term Advances	25,001		46,176
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	20,000	20,000	20,000
Accrued Interest Payable	102	138	237
Derivatives, included in other liabilities	4,131	2,083	2,298
Significant Unobservable Inputs (Level 3) | Fair Value
Carrying Value
Securities Available-for-Sale	0	0	0
Equity Securities	0
Derivatives, included in other assets		0	0
Derivatives, included in other 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	2,648,804	2,618,311	2,603,225
Accrued Interest Receivable	0	0	0
Derivatives, included in other assets		0	0
Deposits	0	0	0
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase			0
Federal Home Loan Bank Overnight Advances		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
Derivatives, included in other liabilities	$ 0	$ 0	$ 0