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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
Consolidated Statements Of Comprehensive Income        
Net income $ 3,290 $ 3,726 $ (1,892) $ 10,101
Unrealized gains on securities available for sale:        
Unrealized holding gains arising during the period, pretax 186 1,198 901 1,387
Tax benefit (72) (467) (350) (541)
Reclassification to realized gains 3 (60) (449) (74)
Tax expense (1) 23 175 29
Postretirement Plans:        
Amortization of unrecognized net actuarial loss 82 140 383 280
Tax expense (32) (56) (149) (112)
Amortization of prior service cost and transition obligation 8 9 17 18
Tax expense (3) (4) (7) (8)
Other comprehensive income 171 783 521 979
Comprehensive income $ 3,461 $ 4,509 $ (1,371) $ 11,080