Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net Income	$ 22,678	$ 13,291
Accumulated Other Comprehensive Income (Loss), Net of Tax	56,076	65,571
Change in unrealized gains on investments and MBS available-for-sale	(7,359)	4,598
Realized net gains reclassified from other comprehensive income	0	(142)
Less deferred income tax provision	2,723	0
Net other comprehensive income (loss)	(4,636)	4,456
Comprehensive Income	$ 18,042	$ 17,747