Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Consolidated Statements Of Comprehensive Income [Abstract]
Net income	$ 6,149	$ 6,196
Other comprehensive loss, net of tax:
Net unrealized losses on investment securities	(2,315)	(1,254)
Pension and post-retirement obligations	199	202
Total other comprehensive loss	(2,116)	(1,052)
Comprehensive income	$ 4,033	$ 5,144

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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