Accumulated Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2014

Accumulated Other Comprehensive Income [Abstract]

Schedule of Accumulated Other Comprehensive Income [Table Text Block]

				Foreign		Accumulated
		Net unrealized		currency		other
		investment		translation		comprehensive
		gains (losses)		adjustment		income
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
Other comprehensive income (loss) – 2013			(182,543)		5,923		(176,620)
Balance at December 31, 2013			99,960		18,691		118,651
Other comprehensive income (loss) – 2014			70,024		(13,661)		56,363
	Balance at December 31, 2014	$	169,984	$	5,030	$	175,014