Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Comprehensive Income
Net income	$ 11,201	$ 9,421	$ 33,182	$ 25,804
Amortization of actuarial losses	98	174	259	522
Amortization of prior service credits	(6)	(7)	(16)	(19)
OTTI charges included in income		516		799
Reclassification adjustment for gains included in income	(2,978)	(54)	(2,978)	(1,673)
Unrealized gains (losses) on securities, net	(2,206)	(1,729)	9,667	(19,947)
Comprehensive income	$ 6,109	$ 8,321	$ 40,114	$ 5,486