Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net income (loss)	$ 81,574	$ 60,016	$ 46,143
Unrealized gain from securities:
Net unrealized holding gain (loss) from available for sale securities arising during the period, net of tax of ($10,200), $17,498 and $1,902	17,922	(30,727)	(2,609)
Reclassification adjustment of net gain from sale of available for sale securities included in income, net of tax of $200, $163 and $1,316	(352)	(299)	(2,417)
Net unrealized gain from securities, net of reclassification adjustment	17,570	(31,026)	(5,026)
Pension plan liability adjustment:
Unrecognized net actuarial gain (loss) during the period, net of tax of $0, $780 and $0	0	(1,432)	0
Less: amortization of unrecognized net actuarial loss included in net periodic pension cost, net of tax of ($54), ($135) and ($38)	95	265	42
Pension plan liability adjustment, net	95	(1,167)	42
Other comprehensive income	17,665	(32,193)	(4,984)
Comprehensive income	$ 99,239	$ 27,823	$ 41,159