Basis of Presentation (Details) Accumulated Other Comprehensive Income (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net unrealized appreciation on available-for-sale investments	$ 7,353,000		$ 6,866,000
Foreign currency translation	(6,594,000)		(6,634,000)
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	232,000	(2,014,000)
Other comprehensive income (loss)	527,000	988,000
Ending balance	759,000	(1,026,000)
Accumulated Net Unrealized Investment Gain (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax
Other comprehensive income (loss) before reclassification	474,000	660,000
Amount reclassified and recognized in net loss, net of tax	13,000	92,000
Deferred Tax Liabilities, Other Comprehensive Income	3,900,000		3,700,000
Accumulated Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax
Other comprehensive income (loss)	40,000	236,000
Deferred Tax Assets, Other Comprehensive Loss	$ 3,400,000		$ 3,400,000