Fair Values Fair Value By Balance Sheet Grouping (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents	$ 49,980	$ 48,832	$ 43,736	$ 31,079
Available-for-sale Securities	457,606	478,698
Held-to-Maturity Securities	299,261	239,803
Held-to-maturity Securities, at Fair Value	302,305	248,252
Federal Home Loan Bank and Federal Reserve Bank Stock	6,281	5,792
Net Loans	1,252,038	1,157,043
Deposits	1,842,330	1,731,155
Federal Home Loan Bank Term Advances	20,000	30,000
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	20,000	20,000
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents	49,980	48,832
Available-for-sale Securities	457,606	478,698
Held-to-Maturity Securities	299,261	239,803
Federal Home Loan Bank and Federal Reserve Bank Stock	6,281	5,792
Net Loans	1,252,038	1,157,043
Accrued Interest Receivable	5,745	5,486
Deposits	1,842,330	1,731,155
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase	11,777	12,678
Federal Home Loan Bank Term Advances	73,000	59,000
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts	20,000	20,000
Accrued Interest Payable	439	584
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	49,980	48,832
Available-for-sale Securities	457,606	478,698
Held-to-maturity Securities, at Fair Value	302,305	248,252
Federal Home Loan Bank Stock and Federal Reserve Bank Stock, Fair Value Disclosure	6,281	5,792
Net Loans, Fair Value Disclosure	1,266,020	1,192,628
Accrued Interest Receivable, Fair Value Disclosure	5,745	5,486
Deposits, Fair Value Disclosure	1,839,613	1,732,894
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase, Fair Value Disclosure	11,777	12,678
Federal Home Loan Bank Term Advances, Fair Value Disclosure	74,629	60,312
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts, Fair Value Disclosure	20,000	20,000
Accrued Interest Payable, Fair Value Disclosure	439	584
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	49,980	48,832
Available-for-sale Securities	0	0
Held-to-maturity Securities, at Fair Value	0	0
Federal Home Loan Bank Stock and Federal Reserve Bank Stock, Fair Value Disclosure	6,281	5,792
Net Loans, Fair Value Disclosure	0	0
Accrued Interest Receivable, Fair Value Disclosure	5,745	5,486
Deposits, Fair Value Disclosure	1,595,103	1,447,882
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase, Fair Value Disclosure	11,777	12,678
Federal Home Loan Bank Term Advances, Fair Value Disclosure	53,000	29,000
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts, Fair Value Disclosure	0	0
Accrued Interest Payable, Fair Value Disclosure	439	584
Significant Other Observable Inputs (Level 2) [Member] | Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Available-for-sale Securities	457,606	478,698
Held-to-maturity Securities, at Fair Value	302,305	248,252
Federal Home Loan Bank Stock and Federal Reserve Bank Stock, Fair Value Disclosure	0	0
Net Loans, Fair Value Disclosure	0	0
Accrued Interest Receivable, Fair Value Disclosure	0	0
Deposits, Fair Value Disclosure	244,510	285,012
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase, Fair Value Disclosure	0	0
Federal Home Loan Bank Term Advances, Fair Value Disclosure	21,629	31,312
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts, Fair Value Disclosure	20,000	20,000
Accrued Interest Payable, Fair Value Disclosure	0	0
Significant Unobservable Inputs (Level 3) [Member] | Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Available-for-sale Securities	0	0
Held-to-maturity Securities, at Fair Value	0	0
Federal Home Loan Bank Stock and Federal Reserve Bank Stock, Fair Value Disclosure	0	0
Net Loans, Fair Value Disclosure	1,266,020	1,192,628
Accrued Interest Receivable, Fair Value Disclosure	0	0
Deposits, Fair Value Disclosure	0	0
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase, Fair Value Disclosure	0	0
Federal Home Loan Bank Term Advances, Fair Value Disclosure	0	0
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts, Fair Value Disclosure	0	0
Accrued Interest Payable, Fair Value Disclosure	$ 0	$ 0