Shareholders’ Equity (Accumulated Other Comprehensive Income (Loss)) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss, beginning of period	$ (26,540,000)	$ (24,884,000)
Unrealized investment holding gains (losses), net of reclassification adjustments	(20,288,000)	(633,000)	9,459,000
Net current period other comprehensive income	(21,155,000)	(1,656,000)	7,659,000
Accumulated other comprehensive loss, end of period	(47,695,000)	(26,540,000)	(24,884,000)
Investments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss, beginning of period	26,685,000	27,318,000	17,859,000
Unrealized investment holding gains (losses), net of reclassification adjustments	2,121,000	3,313,000	9,459,000
Reclassification adjustments for losses (gains) included in other income (expense), net of tax	(22,409,000)	(3,946,000)	0
Net current period other comprehensive income	(20,288,000)	(633,000)	9,459,000
Accumulated other comprehensive loss, end of period	6,397,000	26,685,000	27,318,000
Accumulated Other Comprehensive Income (Loss), Tax [Abstract]
Unrealized gains (losses), tax effects	(54)	0	0
Reclassification adjustments for losses (gains) included in other income (expense), tax effects	(800)	0	0
Foreign currency translation
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss, beginning of period	(53,225,000)	(52,202,000)	(50,402,000)
Translation adjustments, net of tax effects of $0 and $0	(296,000)	943,000	(1,800,000)
Reclassification adjustments for losses (gains) included in other income (expense), net of tax	(571,000)	(1,966,000)	0
Net current period other comprehensive income	(867,000)	(1,023,000)	(1,800,000)
Accumulated other comprehensive loss, end of period	$ (54,092,000)	$ (53,225,000)	$ (52,202,000)