Fair Values - Fair Value By Balance Sheet Grouping (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-Sale	$ 357,334	$ 317,535
Held-To-Maturity Securities	245,065	283,476
Held-To-Maturity Securities		280,338
Equity Securities	2,063	1,774
Federal Home Loan Bank and Federal Reserve Bank Stock	10,317	15,506
Net Loans	2,364,933	2,176,019
Deposits	2,616,054	2,345,584
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase	51,099	54,659
Federal Home Loan Bank Overnight Advances	130,000	234,000
Federal Home Loan Bank Term Advances	30,000	45,000
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	20,000	20,000
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents	70,221	84,239
Available-for-Sale	357,334	317,535
Held-To-Maturity Securities	245,065	283,476
Equity Securities	2,063	1,774
Federal Home Loan Bank and Federal Reserve Bank Stock	10,317	15,506
Net Loans	2,364,933	2,176,019
Accrued Interest Receivable	7,377	7,035
Derivatives, included in other assets	69
Deposits	2,616,054	2,345,584
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase	51,099	54,659
Federal Home Loan Bank Overnight Advances	130,000	234,000
Federal Home Loan Bank Term Advances	30,000	45,000
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	20,000	20,000
Accrued Interest Payable	1,436	570
Derivatives, included in other liabilities	69
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents	70,221	84,239
Available-for-Sale	357,334	317,535
Held-To-Maturity Securities	249,618	280,338
Equity Securities	2,063	1,774
Federal Home Loan Bank Stock and Federal Reserve Bank Stock	10,317	15,506
Net Loans	2,332,797	2,114,372
Accrued Interest Receivable	7,377	7,035
Derivatives, included in other assets	69
Deposits	2,614,170	2,338,410
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase	51,099	54,659
Federal Home Loan Bank Overnight Advances	130,000	234,000
Federal Home Loan Bank Term Advances	29,993	44,652
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	20,000	20,000
Accrued Interest Payable	1,436	570
Derivatives, included in other liabilities	69
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents	70,221	84,239
Available-for-Sale	0	0
Held-To-Maturity Securities	0	0
Federal Home Loan Bank Stock and Federal Reserve Bank Stock	0	0
Net Loans	0	0
Accrued Interest Receivable	0	0
Derivatives, included in other assets	0
Deposits	0	0
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase	0	0
Federal Home Loan Bank Overnight Advances	0	0
Federal Home Loan Bank Term Advances	0	0
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	0	0
Accrued Interest Payable	0	0
Derivatives, included in other liabilities	0
Significant Other Observable Inputs (Level 2) | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents	0	0
Available-for-Sale	357,334	317,535
Held-To-Maturity Securities	249,618	280,338
Equity Securities	2,063	1,774
Federal Home Loan Bank Stock and Federal Reserve Bank Stock	10,317	15,506
Net Loans	0	0
Accrued Interest Receivable	7,377	7,035
Derivatives, included in other assets	69
Deposits	2,614,170	2,338,410
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase	51,099	54,659
Federal Home Loan Bank Overnight Advances	130,000	234,000
Federal Home Loan Bank Term Advances	29,993	44,652
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	20,000	20,000
Accrued Interest Payable	1,436	570
Derivatives, included in other liabilities	69
Significant Unobservable Inputs (Level 3) | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents	0	0
Available-for-Sale	0	0
Held-To-Maturity Securities	0	0
Federal Home Loan Bank Stock and Federal Reserve Bank Stock	0	0
Net Loans	2,332,797	2,114,372
Accrued Interest Receivable	0	0
Derivatives, included in other assets	0
Deposits	0	0
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase	0	0
Federal Home Loan Bank Overnight Advances	0	0
Federal Home Loan Bank Term Advances	0	0
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	0	0
Accrued Interest Payable	0	$ 0
Derivatives, included in other liabilities	$ 0