Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2012

Stockholders' Equity Note [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

						Foreign		Accumulated
			Net unrealized			currency		other
			investment			translation		comprehensive
			gains (losses)			adjustment		income
Balance at December 31, 2009			$	97,108		$	22,557	$	119,665
Other comprehensive loss - 2010				(14,435)			(8,044)		(22,479)
Balance at December 31, 2010				82,673			14,513		97,186
Other comprehensive income - 2011				130,441			32		130,473
Balance at December 31, 2011				213,114			14,545		227,659
Other comprehensive income (loss) - 2012				69,389	*		(1,777)		67,612
	Balance at December 31, 2012		$	282,503		$	12,768	$	295,271
*	Includes the following reclassification adjustments, which were recorded
	to these accounts in our consolidated statements of earnings:
	Net realized investment gain		$	31,148
	Other-than-temporary impairment credit losses			(1,028)
		Total reclassifications before taxes		30,120
	Income tax expense			10,542
		Total reclassifications	$	19,578