Securities (Securities by Contractual Maturity) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Schedule of Available for Sale and Held to Maturty Securities [Line Items]
Available for sale debt securities maturities within 1 year amortized cost	$ 66,270
Available for sale debt securities maturities 1-5 years amortized cost	142,459
Available for sale debt securities maturities 5-10 years amortized cost	53,742
Available for sale debt securities maturities after 10 years amortized cost	56,313
Available for sale debt securities maturities total amortized cost	318,784
Available for sale debt securities maturities within 1 year weighted average yield	3.77%
Available for sale debt securities maturities 1-5 years weighted average yield	3.66%
Available for sale debt securities maturities 5-10 years weighted average yield	2.85%
Available for sale debt securities maturities after 10 years weighted average yield	1.55%
Available for sale debt securities maturities total weighted average yield	3.17%
Available for sale debt securities maturities within 1 year fair value	68,872
Available for sale debt securities maturities 1-5 years fair value	144,962
Available for sale debt securities maturities 5-10 years fair value	56,196
Available for sale debt securities maturities after 10 years fair value	57,548
Available for sale debt securities fair value	327,578
Held to maturity debt securities maturities total amortized cost	27,814	29,905
Held to maturity debt securities maturities within 1 year fair value	3,498
Held to maturity debt securities maturities 1-5 years fair value	10,862
Held to maturity debt securities maturities 5-10 years fair value	8,615
Held to maturity debt securities maturities after 10 years fair value	5,643
Held to maturity securities fair value	28,618	29,865
Obligations of U.S. government-sponsored enterprises [Member]
Schedule of Available for Sale and Held to Maturty Securities [Line Items]
Available for sale debt securities maturities within 1 year amortized cost	9,999
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	0
Available for sale debt securities maturities total amortized cost	9,999
Available for sale debt securities maturities within 1 year weighted average yield	2.87%
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	0.00%
Available for sale debt securities maturities total weighted average yield	2.87%
Mortgage-backed securities issued by US Government-sponsored enterprises [Member]
Schedule of Available for Sale and Held to Maturty Securities [Line Items]
Available for sale debt securities maturities within 1 year amortized cost	38,199
Available for sale debt securities maturities 1-5 years amortized cost	100,451
Available for sale debt securities maturities 5-10 years amortized cost	53,538
Available for sale debt securities maturities after 10 years amortized cost	25,579
Available for sale debt securities maturities total amortized cost	217,767
Available for sale debt securities maturities within 1 year weighted average yield	3.98%
Available for sale debt securities maturities 1-5 years weighted average yield	3.61%
Available for sale debt securities maturities 5-10 years weighted average yield	2.85%
Available for sale debt securities maturities after 10 years weighted average yield	2.12%
Available for sale debt securities maturities total weighted average yield	3.31%
Held to maturity debt securities maturities within 1 year amortized cost	3,400
Held to maturity debt securities maturities 1-5 years amortized cost	10,557
Held to maturity debt securities maturities 5-10 years amortized cost	8,373
Held to maturity debt securities maturities after 10 years amortized cost	5,484
Held to maturity debt securities maturities total amortized cost	27,814	29,905
Held to maturity debt securities maturities within 1 year weighted average yield	3.10%
Held to maturity debt securities maturities 1-5 years weighted average yield	3.03%
Held to maturity debt securities maturities 5-10 years weighted average yield	2.83%
Held to maturity debt securities maturities after 10 years weighted average yield	1.08%
Held to maturity debt securities maturities total weighted average yield	2.59%
Held to maturity securities fair value	28,618	29,865
Obligations of states and political subdivisions [Member]
Schedule of Available for Sale and Held to Maturty Securities [Line Items]
Available for sale debt securities maturities within 1 year amortized cost	18,072
Available for sale debt securities maturities 1-5 years amortized cost	36,089
Available for sale debt securities maturities 5-10 years amortized cost	0
Available for sale debt securities maturities after 10 years amortized cost	0
Available for sale debt securities maturities total amortized cost	54,161
Available for sale debt securities maturities within 1 year weighted average yield	3.85%
Available for sale debt securities maturities 1-5 years weighted average yield	3.93%
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	0.00%
Available for sale debt securities maturities total weighted average yield	3.90%
Trust Preferred Securities [Member]
Schedule of Available for Sale and Held to Maturty 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	30,734
Available for sale debt securities maturities total amortized cost	30,734
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	1.07%
Available for sale debt securities maturities total weighted average yield	1.07%
Corporate bonds [Member]
Schedule of Available for Sale and Held to Maturty 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	5,919
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 debt securities maturities total amortized cost	$ 6,123
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	2.76%
Available for sale debt securities maturities 5-10 years weighted average yield	3.20%
Available for sale debt securities maturities after 10 years weighted average yield	0.00%
Available for sale debt securities maturities total weighted average yield	2.78%