Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Securities available for sale [Abstract]
Securities available for sale	$ 349,719	$ 346,124
Federal agencies and GSEs [Member]
Securities available for sale [Abstract]
Securities available for sale	80,669	65,881
Mortgage-backed and CMOs [Member]
Securities available for sale [Abstract]
Securities available for sale	61,014	69,608
State and municipal [Member]
Securities available for sale [Abstract]
Securities available for sale	197,243	198,733
Corporate [Member]
Securities available for sale [Abstract]
Securities available for sale	9,675	10,799
Equity Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	1,118	1,103
Recurring [Member]
Securities available for sale [Abstract]
Securities available for sale		346,124
Recurring [Member] | Federal agencies and GSEs [Member]
Securities available for sale [Abstract]
Securities available for sale	80,669	65,881
Recurring [Member] | Mortgage-backed and CMOs [Member]
Securities available for sale [Abstract]
Securities available for sale	61,014	69,608
Recurring [Member] | State and municipal [Member]
Securities available for sale [Abstract]
Securities available for sale	197,243	198,733
Recurring [Member] | Corporate [Member]
Securities available for sale [Abstract]
Securities available for sale	9,675	10,799
Recurring [Member] | Equity Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	1,118	1,103
Recurring [Member] | Convertible Preferred Stock [Member]
Securities available for sale [Abstract]
Securities available for sale	349,719
Nonrecurring [Member]
Assets non-recurring [Abstract]
Loans held for sale	118	2,760
Impaired loans, net of valuation allowance	2,183	3,193
Other real estate owned	2,622	3,422
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Assets non-recurring [Abstract]
Loans held for sale	0	0
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member] | Recurring [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member] | Recurring [Member] | Federal agencies and GSEs [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member] | Recurring [Member] | Mortgage-backed and CMOs [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member] | Recurring [Member] | State and municipal [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member] | Recurring [Member] | Corporate [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member] | Recurring [Member] | Equity Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member] | Nonrecurring [Member]
Assets non-recurring [Abstract]
Loans held for sale	0	0
Impaired loans, net of valuation allowance	0	0
Other real estate owned	0	0
Significant Other Observable Inputs, Level 2 [Member]
Securities available for sale [Abstract]
Securities available for sale	348,601	345,021
Assets non-recurring [Abstract]
Loans held for sale	118	2,760
Significant Other Observable Inputs, Level 2 [Member] | Recurring [Member]
Securities available for sale [Abstract]
Securities available for sale	348,601	345,021
Significant Other Observable Inputs, Level 2 [Member] | Recurring [Member] | Federal agencies and GSEs [Member]
Securities available for sale [Abstract]
Securities available for sale	80,669	65,881
Significant Other Observable Inputs, Level 2 [Member] | Recurring [Member] | Mortgage-backed and CMOs [Member]
Securities available for sale [Abstract]
Securities available for sale	61,014	69,608
Significant Other Observable Inputs, Level 2 [Member] | Recurring [Member] | State and municipal [Member]
Securities available for sale [Abstract]
Securities available for sale	197,243	198,733
Significant Other Observable Inputs, Level 2 [Member] | Recurring [Member] | Corporate [Member]
Securities available for sale [Abstract]
Securities available for sale	9,675	10,799
Significant Other Observable Inputs, Level 2 [Member] | Recurring [Member] | Equity Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Significant Other Observable Inputs, Level 2 [Member] | Nonrecurring [Member]
Assets non-recurring [Abstract]
Loans held for sale	118	2,760
Impaired loans, net of valuation allowance	0	0
Other real estate owned	0	0
Significant Unobservable Inputs, Level 3 [Member]
Securities available for sale [Abstract]
Securities available for sale	1,118	1,103
Assets non-recurring [Abstract]
Loans held for sale	0	0
Significant Unobservable Inputs, Level 3 [Member] | Recurring [Member]
Securities available for sale [Abstract]
Securities available for sale	1,118	1,103
Significant Unobservable Inputs, Level 3 [Member] | Recurring [Member] | Federal agencies and GSEs [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Significant Unobservable Inputs, Level 3 [Member] | Recurring [Member] | Mortgage-backed and CMOs [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Significant Unobservable Inputs, Level 3 [Member] | Recurring [Member] | State and municipal [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Significant Unobservable Inputs, Level 3 [Member] | Recurring [Member] | Corporate [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Significant Unobservable Inputs, Level 3 [Member] | Recurring [Member] | Equity Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	1,118	1,103
Significant Unobservable Inputs, Level 3 [Member] | Nonrecurring [Member]
Assets non-recurring [Abstract]
Loans held for sale	0	0
Impaired loans, net of valuation allowance	2,183	3,193
Other real estate owned	$ 2,622	$ 3,422