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