DEBT - Additional Information (Details) - USD ($)			3 Months Ended	6 Months Ended
	Apr. 06, 2017	Feb. 28, 2017	Jun. 30, 2017	Jun. 30, 2017	Jun. 30, 2016	Jan. 26, 2017
Short-term Debt [Line Items]
Prepaid debt issuance costs				$ 5,694,000	$ 0
Loss on extinguishment and modification of debt				6,785,000	$ 0
Credit Agreement
Short-term Debt [Line Items]
Minimum gross cash proceeds from equity offering		$ 40,000,000
Minimum net cash proceeds from equity offering		37,000,000
Loss on extinguishment and modification of debt	$ 4,800,000
Credit Agreement | Term Loan
Short-term Debt [Line Items]
Fee paid			$ 2,600,000	2,600,000
Debt discount recorded			2,200,000	2,200,000
Third party fees			300,000
Expenses recorded related to term loan			300,000
Credit Agreement | Revolving credit facility
Short-term Debt [Line Items]
Fee paid		$ 1,600,000				$ 900,000
Prepaid debt issuance costs			400,000
Debt issuance costs			$ 100,000	$ 100,000
2017 Credit Agreement | Line of Credit
Short-term Debt [Line Items]
Prepaid debt issuance costs	$ 5,700,000
Interest rate at period end	8.09%
2017 Credit Agreement | Term Loan
Short-term Debt [Line Items]
Total amount available under Credit Agreement	$ 300,000,000
Debt issuance costs	3,300,000
2017 Credit Agreement | Term Loan | Line of Credit
Short-term Debt [Line Items]
Loss on extinguishment and modification of debt	1,900,000
2017 Credit Agreement | Revolving credit facility
Short-term Debt [Line Items]
Total amount available under Credit Agreement	25,000,000
Debt issuance costs	$ 400,000