Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Consolidated Statements Of Comprehensive Income
Net income	$ 4,423	$ 2,557	$ 2,531	$ 12,658
Unrealized gains on securities available for sale:
Unrealized holding gains arising during the period, pretax	635	259	1,536	1,646
Tax expense	(249)	(101)	(599)	(642)
Reclassification to realized (gains)	(189)		(638)	(74)
Tax expense	74		249	29
Postretirement Plans:
Amortization of unrecognized net actuarial loss	82	140	465	420
Tax expense	(32)	(56)	(181)	(168)
Amortization of prior service cost and transition obligation	7	9	24	27
Tax expense	(3)	(4)	(10)	(12)
Other comprehensive income	325	247	846	1,226
Comprehensive income	$ 4,748	$ 2,804	$ 3,377	$ 13,884

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