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Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011
Statement of Income and Comprehensive Income [Abstract] |  |  |  |
Net income | $ 4,078 | $ 5,728 | $ 10,079 | $ 11,479
Available-for-sale securities: |  |  |  |
Unrealized gains on securities available-for-sale with other-than-temporary impairment | (314) | (964) | (105) | (21)
Unrealized gain on securities available-for-sale without other-than-temporary impairment | 5,326 | 6,387 | 5,821 | 12,479
Less: reclassification adjustment for gains realized in net income | 9 | (3,224) | (42) | (5,060)
Less: reclassification adjustment for credit related other-than-temporary impairments recognized in net income |  |  |  | 527
Unrealized gains on available-for-sale securities in OCI | 5,021 | 2,199 | 5,674 | 7,925
Defined benefit plans: |  |  |  |
Less: reclassification adjustment for amortization in net prior service cost | 106 |  | 150 |
Unrealized gains on benefit plans | 106 |  | 150 |
Derivative securities: |  |  |  |
Unrealized gains on derivative securities |  |  |  | 30
Other comprehensive income (loss), before tax | 5,127 | 2,199 | 5,823 | 7,955
Income tax expense related to items of other comprehensive income | (1,938) | (819) | (2,201) | (2,963)
Other comprehensive income, net of tax | 3,189 | 1,380 | 3,622 | 4,992
Total comprehensive income | $ 7,267 | $ 7,108 | $ 13,701 | $ 16,471

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