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Consolidated Statements of Comprehensive Income (USD $) In Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010
Other Comprehensive Income [Abstract] |  |  |  |
Net income | $ 2,557 | $ 3,848 | $ 12,658 | $ 12,227
Unrealized gains on securities available for sale: |  |  |  |
Unrealized holding gains arising during the period, pretax | 259 | 150 | 1,646 | 2,235
Tax benefit | (101) | (58) | (642) | (871)
Reclassification to realized gains | 0 | (1) | (74) | (25)
Tax expense | 0 | 1 | 29 | 10
Postretirement Plans: |  |  |  |
Amortization of unrecognized net actuarial loss | 140 | 164 | 420 | 398
Tax expense | (56) | (65) | (168) | (157)
Amortization of prior service cost and transition obligation | 9 | 8 | 27 | 26
Tax expense | (4) | (3) | (12) | (11)
Other comprehensive income | 247 | 196 | 1,226 | 1,605
Comprehensive income | $ 2,804 | $ 4,044 | $ 13,884 | $ 13,832

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