Securities (Securities by Contractual Maturity) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities maturities wIthin 1 year amortized cost	$ 50,453
Available for sale debt securities maturities 1-5 years amortized cost	162,540
Available for sale debt securities maturities 5-10 years amortized cost	80,044
Available for sale debt securities maturities after 10 years amortized cost	58,031
Available for sale securities amortized cost	351,068
Available for sale debt securities maturities within 1 year fair value	52,375
Available for sale debt securities maturities 1-5 years fair value	167,853
Available for sale debt securities maturities 5-10 years fair value	83,219
Available for sale debt securities maturities after 10 years fair value	54,215
Available for sale debt securities fair value	357,662
Available for sale debt securities maturities within 1 year weighted average yield	3.64%
Available for sale debt securities maturities 1-5 years weighted average yield	3.12%
Available for sale debt securities maturities 5-10 years weighted average yield	3.07%
Available for sale debt securities maturities after 10 years weighted average yield	1.39%
Available for sale debt securities maturities totals weighted average yield	2.90%
Held to maturity securities amortized cost	25,222	29,905
Held to maturity debt securities maturities within 1 year fair value	3,649
Held to maturity debt securities maturities 1-5 years fair value	10,759
Held to maturity debt securities maturities 5-10 years fair value	7,675
Held to maturity debt securities maturities after 10 years fair value	3,925
Held to maturity securities fair value	26,008	29,865
Obligations of U.S. government-sponsored enterprises [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities maturities wIthin 1 year amortized cost	0
Available for sale debt securities maturities 1-5 years amortized cost	31,005
Available for sale debt securities maturities 5-10 years amortized cost	200
Available for sale debt securities maturities after 10 years amortized cost	0
Available for sale securities amortized cost	31,205
Available for sale debt securities maturities within 1 year weighted average yield	0.00%
Available for sale debt securities maturities 1-5 years weighted average yield	1.72%
Available for sale debt securities maturities 5-10 years weighted average yield	2.34%
Available for sale debt securities maturities after 10 years weighted average yield	0.00%
Available for sale debt securities maturities totals weighted average yield	1.72%
Mortgage-backed securities issued by U.S. government-sponsored agencies and U.S. government-sponsored enterprises [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities maturities wIthin 1 year amortized cost	41,645
Available for sale debt securities maturities 1-5 years amortized cost	107,553
Available for sale debt securities maturities 5-10 years amortized cost	58,867
Available for sale debt securities maturities after 10 years amortized cost	27,278
Available for sale securities amortized cost	235,343
Available for sale debt securities maturities within 1 year weighted average yield	3.76%
Available for sale debt securities maturities 1-5 years weighted average yield	3.35%
Available for sale debt securities maturities 5-10 years weighted average yield	2.75%
Available for sale debt securities maturities after 10 years weighted average yield	1.71%
Available for sale debt securities maturities totals weighted average yield	3.08%
Held to maturity debt securities maturities within 1 year amortized cost	3,540
Held to maturity debt securities maturities 1-5 years amortized cost	10,433
Held to maturity debt securities maturities 5-10 years amortized cost	7,443
Held to maturity debt securities maturities after 10 years amortized cost	3,806
Held to maturity securities amortized cost	25,222	29,905
Held to maturity debt securities maturities within 1 year weighted average yield	3.05%
Held to maturity debt securities maturities 1-5 years weighted average yield	2.96%
Held to maturity debt securities maturities 5-10 years weighted average yield	2.72%
Held to maturity debt securities maturities after 10 years weighted average yield	0.93%
Held to maturity debt securities weighted average yield totals	2.60%
Held to maturity securities fair value	26,008	29,865
Obligations of states and political subdivisions [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities maturities wIthin 1 year amortized cost	3,096
Available for sale debt securities maturities 1-5 years amortized cost	23,778
Available for sale debt securities maturities 5-10 years amortized cost	20,773
Available for sale debt securities maturities after 10 years amortized cost	0
Available for sale securities amortized cost	47,647
Available for sale debt securities maturities within 1 year weighted average yield	3.65%
Available for sale debt securities maturities 1-5 years weighted average yield	3.94%
Available for sale debt securities maturities 5-10 years weighted average yield	3.98%
Available for sale debt securities maturities after 10 years weighted average yield	0.00%
Available for sale debt securities maturities totals weighted average yield	3.94%
Individual name issuer trust preferred debt securities [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities maturities wIthin 1 year amortized cost	0
Available for sale debt securities maturities 1-5 years amortized cost	0
Available for sale debt securities maturities 5-10 years amortized cost	0
Available for sale debt securities maturities after 10 years amortized cost	30,753
Available for sale securities amortized cost	30,753
Available for sale debt securities maturities within 1 year weighted average yield	0.00%
Available for sale debt securities maturities 1-5 years weighted average yield	0.00%
Available for sale debt securities maturities 5-10 years weighted average yield	0.00%
Available for sale debt securities maturities after 10 years weighted average yield	1.10%
Available for sale debt securities maturities totals weighted average yield	1.10%
Corporate bonds [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities maturities wIthin 1 year amortized cost	5,712
Available for sale debt securities maturities 1-5 years amortized cost	204
Available for sale debt securities maturities 5-10 years amortized cost	204
Available for sale debt securities maturities after 10 years amortized cost	0
Available for sale securities amortized cost	$ 6,120
Available for sale debt securities maturities within 1 year weighted average yield	2.83%
Available for sale debt securities maturities 1-5 years weighted average yield	1.62%
Available for sale debt securities maturities 5-10 years weighted average yield	3.21%
Available for sale debt securities maturities after 10 years weighted average yield	0.00%
Available for sale debt securities maturities totals weighted average yield	2.80%