Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014
Balance at beginning of year	$ 509
Current period change	(1,446)	506
Balance at year end	1,015	509	(431)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Balance at beginning of year			8
Current period change		0	(15)
Balance at year end		8	(7)
Accumulated Translation Adjustment [Member]
Balance at beginning of year			1,007
Current period change		506	(1,431)
Balance at year end		$ 501	$ (424)