Goodwill and Intangible Assets, Net - Goodwill (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Schedule of Goodwill
Goodwill, Opening balance	$ 30,890		$ 30,820
Goodwill adjustments	110	[1]	70	[1]
Goodwill, Closing balance	$ 31,000		$ 30,890

[1] Adjustments were the result of fluctuations in the foreign currency exchange rate used to translate balances into U.S. Dollars.