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Condensed Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2012 | Mar. 31, 2011
Condensed Consolidated Statements Of Comprehensive Income [Abstract] |  |
Net income | $ 11,051 | $ 5,246
Other comprehensive income (loss), before tax expense (benefit): |  |
Unrealized holding gains (losses) on securities arising during the period | 99 | (1,616)
Non-credit related gains on securities not expected to be sold | 1,498 | 1,869
Less: reclassification adjustment for losses on securities included in net income | 0 | (577)
Total other comprehensive income (loss), before tax expense (benefit) | 1,597 | (324)
Income tax expense (benefit) related to items of other comprehensive income (loss) | 558 | (113)
Comprehensive Income | $ 12,090 | $ 5,035

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