Commitments and Contingencies - Schedule of Leases (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Operating Leases
Remainder of 2013	$ 1,026
2014	3,693
2015	2,676
2016	1,850
2017	1,623
2018 and thereafter	295
Total mimimum lease payments	11,163
Capital Leases
Remainder of 2013	268
2014	815
2015	0
2016	0
2017	0
2018 and thereafter	0
Total minimum lease payments	1,083
Less amount representing interest	(12)
Present value of minimum payments	1,071
Less current portion	(1,071)	(1,183)
Capital lease obligations, noncurrent	$ 0	$ 808