CONSOLIDATED STATEMENT OF SHAREHOLDERS EQUITY PARENTHETICAL (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Deferred income tax on unrealized gain on securities	$ 80	$ 8,200	$ 1,500
Reclassification adjustments netted against unrealized gain on securities	$ 365	$ 22,100	$ 11,900