Securities (Details 5) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Schedule of the contractual maturity of securities available for sale, excluding equity securities
1 year or less, Amortized Cost	$ 22,131
1 year - 5 years, Amortized Cost	80,606
5 years - 10 years, Amortized Cost	128,463
After 10 years, Amortized Cost	93,781
Total, Amortized Cost	324,981
Total debt securities, Amortized Cost	690,844
1 year or less, Fair Value	22,295
1 year - 5 years, Fair Value	83,067
5 years - 10 years, Fair Value	138,447
After 10 years, Fair Value	95,532
Total, Fair Value	339,341
Total debt securities, Fair Value	713,909
Residential mortgage and asset backed [Member]
Schedule of the contractual maturity of securities available for sale, excluding equity securities
Mortgage & asset backed securities, Amortized Cost	363,792
Mortgage & asset backed securities, Fair Value	372,436
Commercial mortgage and asset backed [Member]
Schedule of the contractual maturity of securities available for sale, excluding equity securities
Mortgage & asset backed securities, Amortized Cost	2,071
Mortgage & asset backed securities, Fair Value	$ 2,132

Available for sale securities debt maturities debt securities fair value.

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