Investment Securities Schedule of Available for Sale Securities (Details)
$ in Thousands
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Schedule of Available-for-sale Securities [Line Items]    
Available-For-Sale Securities, at Amortized Cost $ 401,278 $ 361,962
Available-for-sale Securities 402,309 366,139
Gross Unrealized Gains 2,717 4,636
Gross Unrealized Losses 1,686 459
Available-for-sale Securities, Pledged as Collateral 310,857 267,384
Maturities of Debt Securities, at Amortized Cost [Abstract]    
Within One Year 43,027  
From 1 - 5 Years 343,949  
From 5 - 10 Years 11,582  
Over 10 Years 1,600  
Maturities of Debt Securities, at Fair Value [Abstract]    
Within One Year 43,239  
From 1 - 5 Years 344,429  
From 5 - 10 Years 12,009  
Over 10 Years 1,400  
Securities in a Continuous Loss Position, at Fair Value [Abstract]    
Less than 12 Months 184,276 43,022
12 Months of Longer 13,017 54,339
Total $ 197,293 $ 97,361
Number of Securities in a Continuous Loss Position 89 105
Unrealized Losses on Securities in a Continuous Loss Position [Abstract]    
Less than 12 Months $ 1,440 $ 48
12 Months or Longer 246 411
Total 1,686 459
U.S. Agency Obligations [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Gains 264 208
Gross Unrealized Losses 414 145
Maturities of Debt Securities, at Amortized Cost [Abstract]    
Within One Year 0  
From 1 - 5 Years 155,932  
From 5 - 10 Years 0  
Over 10 Years 0  
Maturities of Debt Securities, at Fair Value [Abstract]    
Within One Year 0  
From 1 - 5 Years 155,782  
From 5 - 10 Years 0  
Over 10 Years 0  
Securities in a Continuous Loss Position, at Fair Value [Abstract]    
Less than 12 Months 76,802 39,631
12 Months of Longer 0 28,020
Total $ 76,802 $ 67,651
Number of Securities in a Continuous Loss Position 21 22
Unrealized Losses on Securities in a Continuous Loss Position [Abstract]    
Less than 12 Months $ 413 $ 48
12 Months or Longer 1 97
Total 414 145
U.S. Agency Obligations [Member] | Agency Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-For-Sale Securities, at Amortized Cost 155,932 137,540
Available-for-sale Securities 155,782 137,603
State and Municipal Obligations [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-For-Sale Securities, at Amortized Cost 52,306 81,582
Available-for-sale Securities 52,408 81,730
Gross Unrealized Gains 105 187
Gross Unrealized Losses 3 39
Maturities of Debt Securities, at Amortized Cost [Abstract]    
Within One Year 23,954  
From 1 - 5 Years 26,753  
From 5 - 10 Years 999  
Over 10 Years 600  
Maturities of Debt Securities, at Fair Value [Abstract]    
Within One Year 23,972  
From 1 - 5 Years 26,837  
From 5 - 10 Years 999  
Over 10 Years 600  
Securities in a Continuous Loss Position, at Fair Value [Abstract]    
Less than 12 Months 4,289 3,309
12 Months of Longer 1,443 14,035
Total $ 5,732 $ 17,344
Number of Securities in a Continuous Loss Position 19 65
Unrealized Losses on Securities in a Continuous Loss Position [Abstract]    
Less than 12 Months $ 2 $ 0
12 Months or Longer 1 39
Total 3 39
Mortgage-Backed Securities - Residential [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-For-Sale Securities, at Amortized Cost 177,376 124,732
Available-for-sale Securities 178,588 128,827
Gross Unrealized Gains 2,236 4,100
Gross Unrealized Losses 1,024 5
Maturities of Debt Securities, at Amortized Cost [Abstract]    
Within One Year 13,460  
From 1 - 5 Years 153,333  
From 5 - 10 Years 10,583  
Over 10 Years 0  
Maturities of Debt Securities, at Fair Value [Abstract]    
Within One Year 13,658  
From 1 - 5 Years 153,920  
From 5 - 10 Years 11,010  
Over 10 Years 0  
Securities in a Continuous Loss Position, at Fair Value [Abstract]    
Less than 12 Months 99,569 82
12 Months of Longer 903 1,546
Total $ 100,472 $ 1,628
Number of Securities in a Continuous Loss Position 30 3
Unrealized Losses on Securities in a Continuous Loss Position [Abstract]    
Less than 12 Months $ 1,023 $ 0
12 Months or Longer 1 5
Total 1,024 5
Mortgage-Backed Securities - Residential [Member] | Agency Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-For-Sale Securities, at Amortized Cost 15,700 23,000
Available-for-sale Securities 15,800 23,600
Mortgage-Backed Securities - Residential [Member] | US Government-sponsored Enterprises Debt Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-For-Sale Securities, at Amortized Cost 161,700 101,700
Available-for-sale Securities 162,700 105,200
Corporate and Other Debt Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-For-Sale Securities, at Amortized Cost 14,544 16,988
Available-for-sale Securities 14,299 16,725
Gross Unrealized Gains 0 7
Gross Unrealized Losses 245 270
Maturities of Debt Securities, at Amortized Cost [Abstract]    
Within One Year 5,613  
From 1 - 5 Years 7,931  
From 5 - 10 Years 0  
Over 10 Years 1,000  
Maturities of Debt Securities, at Fair Value [Abstract]    
Within One Year 5,609  
From 1 - 5 Years 7,890  
From 5 - 10 Years 0  
Over 10 Years 800  
Securities in a Continuous Loss Position, at Fair Value [Abstract]    
Less than 12 Months 3,616 0
12 Months of Longer 10,671 10,738
Total $ 14,287 $ 10,738
Number of Securities in a Continuous Loss Position 19 15
Unrealized Losses on Securities in a Continuous Loss Position [Abstract]    
Less than 12 Months $ 2 $ 0
12 Months or Longer 243 270
Total 245 270
Mututal Funds and Equity Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-For-Sale Securities, at Amortized Cost 1,120 1,120
Available-for-sale Securities 1,232 1,254
Gross Unrealized Gains 112 134
Gross Unrealized Losses 0 0
Maturities of Debt Securities, at Amortized Cost [Abstract]    
Within One Year 0  
From 1 - 5 Years 0  
From 5 - 10 Years 0  
Over 10 Years 0  
Maturities of Debt Securities, at Fair Value [Abstract]    
Within One Year 0  
From 1 - 5 Years 0  
From 5 - 10 Years 0  
Over 10 Years 0  
Securities in a Continuous Loss Position, at Fair Value [Abstract]    
Less than 12 Months 0 0
12 Months of Longer 0 0
Total $ 0 $ 0
Number of Securities in a Continuous Loss Position 0 0
Unrealized Losses on Securities in a Continuous Loss Position [Abstract]    
Less than 12 Months $ 0 $ 0
12 Months or Longer 0 0
Total $ 0 $ 0