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SUBSEQUENT EVENTS (Details) - Common stock - Subsequent Event
$ / shares in Units, $ in Thousands
Feb. 19, 2019
USD ($)
$ / shares
Subsequent Event [Line Items]  
Approved tender offer, amount | $ $ 3,150,000
Approved tender offer, par value $ 0
Approved tender offer, percentage of total shares outstanding 10.00%
Approved tender offer, per share $ 1.50