Investment Securities (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Investments, Debt and Equity Securities [Abstract]
Available-for-sale, Amortized cost, Due in one year or less	$ 0
Available-for-sale, Amortized cost, Due after one year through five years	22
Available-for-sale, Amortized cost, Due after five years through ten years	48,032
Available-for-sale, Amortized cost, Due after ten years	164,980
Available-for-sale, Amortized cost, Mutual fund	497
Available-for-sale, Amortized cost, Tax credit investments	0
Available-For-Sale Securities, Debt Maturities, Amortized Cost Basis	213,531
Available-for-sale, Estimated fair value, Due in one year or less	0
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value	22
Available-for-sale, Estimated fair value, Due after five years through ten years	47,364
Available-for-sale Estimated fair value, Due after ten years	169,327
Available-for-sale, Estimated fair value, Mutual fund	508
Available-for-sale, Estimated fair value, Tax credit investments	0
Available-for-sale Securities, Debt Securities	217,221
Held-to-maturity Securities, Amortized cost, Due in one year or less	325
Held-to-maturity Securities, Amortized cost, Due after one year through three years	382
Held-to-maturity Securities, Amortized cost, Due after five years through ten years	0
Held-to-maturity Securities, Amortized cost, Due after ten years	0
Held-to-maturity Securities, Amortized cost, Mutual fund	0
Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment	658
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount	1,365
Held-to-maturity Estimated fair value, Due in one year or less	336
Held-to-maturity Securities, Debt Maturities, Year Two Through Five, Fair Value	404
Held-to-maturity Estimated fair value, Due after five years through ten years	0
Held-to-maturity Estimated fair value, Due after ten years	0
Held-to-maturity Estimated fair value, Mutual fund	0
Invesment Securities held-to-maturity, estimated fair value (in dollars)	658
Held-to-maturity Securities, Debt Maturities, Fair Value	$ 1,398