COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 13, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Credit Agreement [Abstract]
2017		$ 16,048
2018		6,881
2019		30,958
2020		0
2021		0
Thereafter		0
Credit agreement, Total		53,887
Less amount representing interest		(9,620)
Credit agreement net of interest		44,267
Operating Leases [Abstract]
2017		21,428
2018		19,132
2019		16,521
2020		12,439
2021		7,202
Thereafter		20,484
Operating Leases, Total		97,206
Less amount representing interest		0
Operating leases net of interest		97,206
Lease rent expense		12,000	$ 10,900	$ 11,100
Settlement amount	$ 850,000
Debt forgiveness	$ 165,000
Outstanding net loan commitment		30,000
Future employment contract commitments		3,100
Surety bonds		$ 14,300