COMMITMENTS AND CONTINGENCIES (Details) (USD $)	3 Months Ended			9 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Future minimum operating lease payments
2013-remaining	$ 1,716,000			$ 1,716,000
2014	5,850,000			5,850,000
2015	4,791,000			4,791,000
2016	4,429,000			4,429,000
2017	4,136,000			4,136,000
Thereafter	3,923,000			3,923,000
Total	24,845,000			24,845,000
Rent
Rent expense	1,700,000		2,200,000	5,300,000	7,300,000
Leases termination penalties		$ 800,000
Building, warehouse, and office space leases | Minimum
Commitments and contingencies
Lease period				12 months
Building, warehouse, and office space leases | Maximum
Commitments and contingencies
Lease period				89 months