v2.4.0.6

Securities (Schedule of Contractual Maturities of Investment Securities Available for Sale) (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2011
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Available-for-sale Securities [Abstract] |
Due within one year, Amortized Cost | $ 18,310
Due after one year through five years, Amortized Cost | 52,418
Due after five years through ten years, Amortized Cost | 204,470
Due after ten years, Amortized Cost | 709,066
Total investment securities available-for-sale, Amortized Cost | 984,264
Due within one year, Fair Value | 18,610
Due after one year through five years, Fair Value | 54,635
Due after five years through ten years, Fair Value | 212,605
Due after ten years, Fair Value | 738,930
Total investment securities available-for-sale, Fair Value | $ 1,024,780

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