Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Balance at beginning of period	$ 509
Balance at end of period	63
Current period change	(446)
Accumulated Translation Adjustment [Member]
Balance at beginning of period	501
Balance at end of period	55
Current period change	(446)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Balance at beginning of period	8
Balance at end of period	8
Current period change	$ 0