Fair Value (Carrying Amounts and Estimated Fair Value for Financial Instrument Assets and Liabilities) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Financial assets:        
Cash and due from banks   $ 51,355    
AFS securities 763,063 808,477    
HTM securities 20,179 0    
FHLB and FRB stock   19,724    
Trading account assets 2,457 2,488    
MSRs 1,447 [1] 1,494 [1],[2] 879 [1] 1,138 [1]
Interest receivable   5,808    
Investment in CCTA and UBCT   1,331    
Customer interest rate swap agreement   114    
Financial liabilities:        
Deposits   1,817,199    
FHLB advances   59,118    
Commercial repurchase agreements   32,038    
Other borrowed funds   400,144    
Junior subordinated debentures   43,922    
Interest payable   567    
Interest rate swap agreements   3,912    
Customer interest rate swap agreement   114    
Readily Available Market Prices (Level 1) [Member]        
Financial assets:        
Cash and due from banks 60,813 51,355    
FHLB and FRB stock 20,391 19,724    
Trading account assets 2,457 2,488    
Financial liabilities:        
Deposits 1,361,604 1,324,221    
Other borrowed funds 446,909 400,144    
Interest payable 537 567    
Observable Market Data (Level 2) [Member]        
Financial assets:        
AFS securities 763,063 808,477    
HTM securities 20,425      
MSRs 1,447 [3] 1,494 [2]    
Interest receivable 6,017 5,808    
Customer interest rate swap agreement 1,140 114    
Financial liabilities:        
Deposits 572,201 492,978    
FHLB advances 57,986 59,118    
Commercial repurchase agreements 31,395 32,038    
Junior subordinated debentures 44,024 43,922    
Interest rate swap agreements 9,143 3,912    
Customer interest rate swap agreement 1,140 114    
Company Determined Fair Value (Level 3) [Member]        
Financial assets:        
Investment in CCTA and UBCT 1,331 1,331    
Carrying Amount [Member]        
Financial assets:        
Cash and due from banks 60,813 51,355    
AFS securities 763,063 808,477    
HTM securities 20,179      
FHLB and FRB stock 20,391 19,724    
Trading account assets 2,457 2,488    
MSRs 493 [3] 726 [2]    
Interest receivable 6,017 5,808    
Investment in CCTA and UBCT 1,331 1,331    
Customer interest rate swap agreement 1,140 114    
Financial liabilities:        
Deposits 1,932,097 1,813,824    
FHLB advances 56,039 56,112    
Commercial repurchase agreements 30,097 30,142    
Other borrowed funds 446,842 399,916    
Junior subordinated debentures 44,024 43,922    
Interest payable 537 567    
Interest rate swap agreements 9,143 3,912    
Customer interest rate swap agreement 1,140 114    
Estimate of Fair Value Measurement [Member]        
Financial assets:        
Cash and due from banks 60,813      
AFS securities 763,063      
HTM securities 20,425      
FHLB and FRB stock 20,391      
Trading account assets 2,457      
MSRs 1,447 [3]      
Interest receivable 6,017      
Investment in CCTA and UBCT 1,331      
Customer interest rate swap agreement 1,140      
Financial liabilities:        
Deposits 1,933,805      
FHLB advances 57,986      
Commercial repurchase agreements 31,395      
Other borrowed funds 446,909      
Junior subordinated debentures 44,024      
Interest payable 537      
Interest rate swap agreements 9,143      
Customer interest rate swap agreement 1,140      
Residential real estate loans        
Financial assets:        
Loans receivable, net of allowance   577,153    
Residential real estate loans | Company Determined Fair Value (Level 3) [Member]        
Financial assets:        
Loans receivable, net of allowance 596,172 577,153    
Residential real estate loans | Carrying Amount [Member]        
Financial assets:        
Loans receivable, net of allowance 579,946 563,425    
Residential real estate loans | Estimate of Fair Value Measurement [Member]        
Financial assets:        
Loans receivable, net of allowance 596,172      
Commercial real estate loans        
Financial assets:        
Loans receivable, net of allowance   535,961    
Commercial real estate loans | Company Determined Fair Value (Level 3) [Member]        
Financial assets:        
Loans receivable, net of allowance 631,434 535,961    
Commercial real estate loans | Carrying Amount [Member]        
Financial assets:        
Loans receivable, net of allowance 635,609 536,107    
Commercial real estate loans | Estimate of Fair Value Measurement [Member]        
Financial assets:        
Loans receivable, net of allowance 631,434      
Commercial loans        
Financial assets:        
Loans receivable, net of allowance   171,432    
Commercial loans | Company Determined Fair Value (Level 3) [Member]        
Financial assets:        
Loans receivable, net of allowance 244,713 171,432    
Commercial loans | Carrying Amount [Member]        
Financial assets:        
Loans receivable, net of allowance 249,823 172,105    
Commercial loans | Estimate of Fair Value Measurement [Member]        
Financial assets:        
Loans receivable, net of allowance 244,713      
Home equity loans        
Financial assets:        
Loans receivable, net of allowance   271,041    
Home equity loans | Company Determined Fair Value (Level 3) [Member]        
Financial assets:        
Loans receivable, net of allowance 270,904 271,041    
Home equity loans | Carrying Amount [Member]        
Financial assets:        
Loans receivable, net of allowance 269,176 269,888    
Home equity loans | Estimate of Fair Value Measurement [Member]        
Financial assets:        
Loans receivable, net of allowance 270,904      
Consumer loans        
Financial assets:        
Loans receivable, net of allowance   17,662    
Consumer loans | Company Determined Fair Value (Level 3) [Member]        
Financial assets:        
Loans receivable, net of allowance 17,007 17,662    
Consumer loans | Carrying Amount [Member]        
Financial assets:        
Loans receivable, net of allowance 16,940 17,287    
Consumer loans | Estimate of Fair Value Measurement [Member]        
Financial assets:        
Loans receivable, net of allowance $ 17,007      
[1] Reported fair value represents all MSRs currently being serviced by the Company, regardless of carrying amount.
[2] Reported fair value represents all MSRs currently being serviced by the Company at December 31, 2013, regardless of carrying amount.
[3] Reported fair value represents all MSRs currently being serviced by the Company at December 31, 2014, regardless of carrying amount.