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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net Income	$ 41,954	$ 15,274	$ 22,978
Other comprehensive (loss) income, before tax (benefit) expense:
Unrealized holding (losses) gains on securities arising during the period	(2,854)	9,727	(8,377)
Non-credit related gains (losses) on securities not expected to be sold	2,193	(425)	6,633
Less: reclassification adjustment for (gains) losses on securities included in net income	(192)	(2,185)	6,822
Unrealized gains for postretirement obligations:
Transition obligation	2	2	2
Net (loss) gain	(300)	(260)	440
Total other comprehensive (loss) income, before tax (benefit) expense	(1,151)	6,859	5,520
Income tax (benefit) expense related to items of other comprehensive (loss) income	(409)	2,400	1,933
Comprehensive Income	$ 41,212	$ 19,733	$ 26,565

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