Stockholders' Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Class of Stock [Line Items]
Preferred stock, par value	$ 0.0001	$ 0.0001
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	15.00%
Tender Offer Portion of Common Stock	15.00%
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Beginning of Period	$ (136)	$ (242)	$ 128
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	104	(647)	(370)
Other Comprehensive Income (Loss), Reclassification Adjustment for Write-down of Securities Included in Net Income, Net of Tax		753
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, End of Period	(32)	(136)	(242)
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Beginning of Period	0	(165)	(162)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	0	165	(3)
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, End of Period	0	0	(165)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning of Period	(136)	(407)	(34)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	104	271	(373)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent, Before Reclassifications		(482)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent, Reclassification of Losses Included Net Loss	0	753	0
Accumulated Other Comprehensive Income (Loss), Net of Tax, End of Period	$ (32)	$ (136)	$ (407)
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, par value	$ 0.0001
Share Price	$ 11.35
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Participation Rights	one
Warrants and Rights Outstanding	0.001