Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net income as reported	$ 11,899	$ 8,632	$ 20,801	$ 14,411
Unrealized gain from securities:
Net unrealized holding gain from available for sale securities arising during the period, net of tax of ($840), ($3,641), $87, and ($4,925)	2,370	6,467	725	8,780
Reclassification adjustment of net gain from sale of available for sale securities included in income, net of tax of $x, $0, $x, and $0			(39)	0
Net unrealized gain from securities, net of reclassification adjustment			686	8,780
Cash flow hedging instruments:
Reclassification adjustment of net gain included in income, net of tax of $0, $0, $0, and $79			0	(143)
Net change in cash flow hedging instruments			0	(143)
Pension plan liability adjustment:
Unrecognized net actuarial gain (loss) during the period, net of tax of $0, $0, $0, and $154			0	(261)
Less: amortization of unrecognized net actuarial loss included in net periodic pension cost, net of tax of ($17), ($8), ($24), and ($16)	3	14	16	28
Pension plan liability adjustment, net			16	(233)
Total comprehensive income	$ 14,272	$ 15,113	$ 21,503	$ 22,815