BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Redeemable Preferred Stock (Details)	6 Months Ended
Jun. 30, 2019
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Preferred stock, percentage of stated value	100.00%
Preferred stock redemption, trading days prior to redemption	20 days

Preferred Stock, Redemption Price, Consecutive Trading Days of Weighted Average Common Stock Price

No definition available.

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