Investment Securities (Details) - Investments classified by maturity date (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Investment Securities Available-for-Sale:
Due in one year or less	$ 9,384
Due in one year or less	9,499
Due after one year through five years	45,331
Due after one year through five years	46,591
Due after five years through ten years	112,083
Due after five years through ten years	117,869
Due after ten years	37,351
Due after ten years	37,635
Total	258,198
Total	266,959	323,070
Investment Securities Held-to-Maturity:
Due in one year or less	2,052
Due in one year or less	2,054
Due after one year through five years	12,932
Due after one year through five years	13,203
Due after five years through ten years	68,506
Due after five years through ten years	69,838
Due after ten years	128,279
Due after ten years	130,945
Total	218,159	215,286
Total	222,503	210,958
Total investment securities	476,357
Total investment securities	489,462
Residential Mortgage Backed Securities [Member]
Investment Securities Available-for-Sale:
Investment Securities Available-for-Sale: amortized cost	44,369
Investment Securities Available-for-Sale: fair value	45,919
Total	45,919	48,874
Investment Securities Held-to-Maturity:
Investment Securities Held-to-Maturity: amoritzed cost	2,049
Investment Securities Held-to-Maturity: fair value	2,063
Total	2,063	2,182
Commercial Mortgage Backed Securities [Member]
Investment Securities Available-for-Sale:
Investment Securities Available-for-Sale: amortized cost	3,072
Investment Securities Available-for-Sale: fair value	3,021
Total	3,021	6,991
Investment Securities Held-to-Maturity:
Investment Securities Held-to-Maturity: amoritzed cost	4,341
Investment Securities Held-to-Maturity: fair value	4,400
Total	4,400	4,396
Equity Securities [Member]
Investment Securities Available-for-Sale:
Investment Securities Available-for-Sale: amortized cost	376
Investment Securities Available-for-Sale: fair value	293
Total	293	287
Money Market Funds [Member]
Investment Securities Available-for-Sale:
Investment Securities Available-for-Sale: amortized cost	6,232
Investment Securities Available-for-Sale: fair value	6,132
Total	$ 6,132	$ 5,724