COMMITMENTS AND CONTINGENCIES - Minimum Lease Payments (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2013	$ 4,887
2014	3,698
2015	3,313
2016	1,884
2017	791
Thereafter	1,500
Total	16,073
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals Due in Two Years	0
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Fiscal Year Maturity [Abstract]
2013	345
2015	0
2016	0
2017	0
Thereafter	0
Total	345
Operating Leases, Future Minimum Payments Due, Net Of Sublease Rentals, Fiscal Year Maturity [Abstract]
2013	4,542
2014	3,698
2015	3,313
2016	1,884
2017	791
Thereafter	1,500
Total	$ 15,728