MEZZANINE EQUITY AND STOCKHOLDERS' EQUITY - Additional Information (Details) - USD ($) | Jul. 01, 2018 | Jun. 15, 2018 | Apr. 02, 2018 | Mar. 14, 2018 | Mar. 08, 2018 | Jan. 31, 2018 | Jan. 31, 2018 | Jun. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 |
Class of Stock [Line Items] | | | | | | | | | | |
Preferred stock, authorized shares (in shares) | | | | | | | | 1,000,000 | 1,000,000 | |
Preferred stock, par value (USD per share) | | | | | | | | $ 0.0001 | $ 0.0001 | |
Common stock, authorized shares (in shares) | | | | | | 55,000,000 | 55,000,000 | 200,000,000 | 200,000,000 | |
Common stock, par value (USD per share) | | | | | | | | $ 0.0001 | $ 0.0001 | |
Exercise period of warrants | | | | | | | | | 30 days | |
Derecognized amount of Series B preferred stock at conversion | | | | | $ 23,000,000 | | | | | |
Series A Preferred Stock | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Preferred stock, shares issued (in shares) | | 1 | | 1 | | | | | | |
Discount on Series A preferred stock issued in debt exchange | | | | | | | | | $ 61,971,000 | |
Preferred dividends paid-in-kind (in dollars per share) | | $ 0.02 | | $ 0.01378 | | | | | | |
Preferred stock, shares outstanding (in shares) | | 1 | | 1 | | | | | | |
Dividend payable, record date | | Jun. 15, 2018 | | | | | | | Mar. 15, 2018 | |
Shares issued as stock dividends (in shares) | | | 456 | | | | | | | |
Series A Preferred Stock | Subsequent Event | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Shares issued as stock dividends (in shares) | 663 | | | | | | | | | |
Series B Preferred Stock | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Preferred stock, shares issued (in shares) | | | | | | | | 0 | 0 | |
Preferred stock, shares outstanding (in shares) | | | | | | | | 0 | 0 | |
Series A and B Preferred Stocks | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Number of warrants issued (in shares) | | | | | | | | | 200,000 | |
Series A and B Preferred Stocks | Minimum | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Exercise price of warrants (in dollars per share) | | | | | | | | $ 10.30 | $ 10.30 | |
Series A and B Preferred Stocks | Maximum | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Exercise price of warrants (in dollars per share) | | | | | | | | $ 12.88 | $ 12.88 | |
Exchange | Series A Preferred Stock | Second Lien Notes and Senior Secured Notes | Secured Debt | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Value of shares issued | | | | | | | | | $ 62,000,000 | |
Stock issuance costs | | | | | | | | | 3,600,000 | |
Discount on Series A preferred stock issued in debt exchange | | | | | | | | | $ 62,000,000 | |
Amortization period of discount recorded as reduction of value of shares issued | | | | | | | | | 3 years | |
Deemed dividends | | | | | | | | $ 22,200,000 | $ 56,600,000 | |
Adjustments in record temporary equity preferred stock at redemption value | | | | | | | | $ 22,700,000 | 21,400,000 | |
Issuance of preferred stock (in shares) | | | | | | | 30,000 | | | |
Exchange | Series A Preferred Stock | Participant Holders | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Preferred stock, shares issued (in shares) | | | | | | 30,000 | 30,000 | | | |
Dividend percentage on convertible preferred stock | | | | | | 8.00% | | | | |
Number of preferred stock convertible shares to be issued in conversion (in shares) | | | | | | 3,271.4653 | 3,271.4653 | | | |
Conversion of stock, maximum percentage of ownership after transaction | | | | | | 9.99% | 9.99% | | | |
Convertible preferred stock, additional pro-rata basis per share | | | | | | $ 2,000 | $ 2,000 | | | |
Preferred stock, liquidation value (in dollars per share) | | | | | | $ 1,000 | $ 1,000 | | | |
Exchange | Series B Preferred Stock | Second Lien Notes and Senior Secured Notes | Secured Debt | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Value of shares issued | | | | | | | | | 10,800,000 | |
Issuance of preferred stock (in shares) | | | | | | | 900,000 | | | |
Exchange | Series B Preferred Stock | Participant Holders | Second Lien Notes and Senior Secured Notes | Secured Debt | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Preferred stock, shares issued (in shares) | | | | | | 900,000 | 900,000 | | | |
Exchange | Common Stock at Par Value | Second Lien Notes and Senior Secured Notes | Secured Debt | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Number of preferred stock convertible shares to be issued in conversion (in shares) | | | | | | 21.7378 | 21.7378 | | | 4,500,000 |
Value of shares issued | | | | | | | | | $ 500,000 | |
Issuance of preferred stock (in shares) | | | | | | | 800,000 | | | |
Exchange | Series D Warrants | Second Lien Notes and Senior Secured Notes | Secured Debt | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Number of preferred stock convertible shares to be issued in conversion (in shares) | | | | | 14,100,000 | 21.7378 | 21.7378 | | | 14,100,000 |
Exercise price of warrants (in dollars per share) | | | | | | | | | | $ 0.0001 |
Issuance of preferred stock (in shares) | | | | | | | | | 0 | |
Exchange | Series D Warrants | Participant Holders | Second Lien Notes and Senior Secured Notes | Secured Debt | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Exercise price of warrants (in dollars per share) | | | | | $ 0.0001 | | | | | |
Exchange | Series A and B Preferred Stocks | Participant Holders | Second Lien Notes and Senior Secured Notes | Secured Debt | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Conversion of stock, maximum percentage of ownership after transaction | | | | | 10.00% | 10.00% | 10.00% | | | |
Exchange | Series C Warrants | Second Lien Notes and Senior Secured Notes | Secured Debt | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Value of shares issued | | | | | | | | | $ 4,800,000 | |
Issuance of preferred stock (in shares) | | | | | | | 8,300,000 | | 4,800,000 | |
Number of warrants outstanding | | | | | | | | 8,000,000 | 8,000,000 | |
Number of warrants excercised | | | | | | | | 300,000 | 300,000 | |
Exchange | Series C Warrants | Participant Holders | Second Lien Notes and Senior Secured Notes | Secured Debt | | | | | | | | | | |
Class of Stock [Line Items] | | | | | | | | | | |
Exercise price of warrants (in dollars per share) | | | | | | $ 0.0001 | $ 0.0001 | | | |