Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Balance at beginning of year	$ 244
Current period change	265
Balance at year end	509
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Balance at beginning of year	2
Current period change	6
Balance at year end	8
Accumulated Translation Adjustment [Member]
Balance at beginning of year	242
Current period change	259
Balance at year end	$ 501