Investment Securities Schedule of Available for Sale Securities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Available-For-Sale Securities, at Amortized Cost	$ 361,962	$ 453,675
Available-for-sale Securities	366,139	457,606
Gross Unrealized Gains	4,636	5,078
Gross Unrealized Losses	459	1,147
Available-for-sale Securities, Pledged as Collateral	267,384	243,769
Maturities of Debt Securities, at Amortized Cost [Abstract]
Within One Year	33,454
From 1 - 5 Years	303,037
From 5 - 10 Years	22,711
Over 10 Years	1,640
Maturities of Debt Securities, at Fair Value [Abstract]
Within One Year	33,524
From 1 - 5 Years	306,483
From 5 - 10 Years	23,438
Over 10 Years	1,440
Securities in a Continuous Loss Position, at Fair Value [Abstract]
Less than 12 Months	43,022	113,196
12 Months of Longer	54,339	56,350
Total	97,361	169,546
Number of Securities in a Continuous Loss Position	105	165
Unrealized Losses on Securities in a Continuous Loss Position [Abstract]
Less than 12 Months	48	656
12 Months or Longer	411	491
Total	459	1,147
U.S. Agency Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross Unrealized Gains	208	2
Gross Unrealized Losses	145	395
Maturities of Debt Securities, at Amortized Cost [Abstract]
Within One Year	0
From 1 - 5 Years	137,540
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	137,603
From 5 - 10 Years	0
Over 10 Years	0
Securities in a Continuous Loss Position, at Fair Value [Abstract]
Less than 12 Months	39,631	60,664
12 Months of Longer	28,020	33,849
Total	67,651	94,513
Number of Securities in a Continuous Loss Position	22	26
Unrealized Losses on Securities in a Continuous Loss Position [Abstract]
Less than 12 Months	48	336
12 Months or Longer	97	59
Total	145	395
U.S. Agency Obligations [Member] | Agency Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-For-Sale Securities, at Amortized Cost	137,540	136,868
Available-for-sale Securities	137,603	136,475
State and Municipal Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-For-Sale Securities, at Amortized Cost	81,582	127,224
Available-for-sale Securities	81,730	127,389
Gross Unrealized Gains	187	306
Gross Unrealized Losses	39	141
Maturities of Debt Securities, at Amortized Cost [Abstract]
Within One Year	28,273
From 1 - 5 Years	51,384
From 5 - 10 Years	1,285
Over 10 Years	640
Maturities of Debt Securities, at Fair Value [Abstract]
Within One Year	28,329
From 1 - 5 Years	51,476
From 5 - 10 Years	1,285
Over 10 Years	640
Securities in a Continuous Loss Position, at Fair Value [Abstract]
Less than 12 Months	3,309	29,967
12 Months of Longer	14,035	4,597
Total	17,344	34,564
Number of Securities in a Continuous Loss Position	65	107
Unrealized Losses on Securities in a Continuous Loss Position [Abstract]
Less than 12 Months	0	120
12 Months or Longer	39	21
Total	39	141
Mortgage-Backed Securities - Residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-For-Sale Securities, at Amortized Cost	124,732	171,321
Available-for-sale Securities	128,827	175,778
Gross Unrealized Gains	4,100	4,714
Gross Unrealized Losses	5	257
Maturities of Debt Securities, at Amortized Cost [Abstract]
Within One Year	2,878
From 1 - 5 Years	100,428
From 5 - 10 Years	21,426
Over 10 Years	0
Maturities of Debt Securities, at Fair Value [Abstract]
Within One Year	2,888
From 1 - 5 Years	103,786
From 5 - 10 Years	22,153
Over 10 Years	0
Securities in a Continuous Loss Position, at Fair Value [Abstract]
Less than 12 Months	82	15,190
12 Months of Longer	1,546	11,841
Total	1,628	27,031
Number of Securities in a Continuous Loss Position	3	13
Unrealized Losses on Securities in a Continuous Loss Position [Abstract]
Less than 12 Months	0	108
12 Months or Longer	5	149
Total	5	257
Mortgage-Backed Securities - Residential [Member] | Agency Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-For-Sale Securities, at Amortized Cost	23,000	31,500
Available-for-sale Securities	23,600	32,200
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	101,700	139,800
Available-for-sale Securities	105,200	143,600
Corporate and Other Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-For-Sale Securities, at Amortized Cost	16,988	17,142
Available-for-sale Securities	16,725	16,798
Gross Unrealized Gains	7	10
Gross Unrealized Losses	270	354
Maturities of Debt Securities, at Amortized Cost [Abstract]
Within One Year	2,303
From 1 - 5 Years	13,685
From 5 - 10 Years	0
Over 10 Years	1,000
Maturities of Debt Securities, at Fair Value [Abstract]
Within One Year	2,307
From 1 - 5 Years	13,618
From 5 - 10 Years	0
Over 10 Years	800
Securities in a Continuous Loss Position, at Fair Value [Abstract]
Less than 12 Months	0	7,375
12 Months of Longer	10,738	6,063
Total	10,738	13,438
Number of Securities in a Continuous Loss Position	15	19
Unrealized Losses on Securities in a Continuous Loss Position [Abstract]
Less than 12 Months	0	92
12 Months or Longer	270	262
Total	270	354
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	1,254	1,166
Gross Unrealized Gains	134	46
Gross Unrealized Losses	0	0
Maturities of Debt Securities, at Amortized Cost [Abstract]
Within One Year
From 1 - 5 Years
From 5 - 10 Years
Over 10 Years
Maturities of Debt Securities, at Fair Value [Abstract]
Within One Year
From 1 - 5 Years
From 5 - 10 Years
Over 10 Years
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