SHAREHOLDERS’ EQUITY - Common Stock - Shares Issued for Services (Details) - Pacific Drilling Operations $ / shares in Units, $ in Millions	Jun. 02, 2017 USD ($) $ / shares shares
SHAREHOLDERS’ EQUITY
Value of common stock issuable | $	$ 1.0
Average market price (in days)	10 days
Share price (in dollars per share) | $ / shares	$ 1.761
Number of unregistered shares of common stock issued (in shares) | shares	567,859
Maximum days for security instrument to put in place	10 days