2015 MERGER (Details) $ / shares in Units, $ in Thousands			12 Months Ended
	May 07, 2015 USD ($) item $ / shares shares	Jul. 09, 2014	Dec. 31, 2015 USD ($)
2015 MERGER
Cash deposited with paying agent for the benefit of Navig8 shareholders			$ 1,187
Value of shares owned by shareholders prior to merger	$ 34,900
Shares owned by shareholders prior to merger (as a percent)	52.55%
Navig8 Crude Tankers Inc
2015 MERGER
Cash and cash equivalents	$ 28,874
Due from Navig8 pools, net	1,877
Prepaid expenses and other current assets	2,435
Vessels under construction	435,417
Other assets (noncurrent)	3,037
Accounts payable and accrued expenses	(5,859)
Cash deposited with paying agent for the benefit of Navig8 shareholders	$ 4,500
Shares deposited with merger exchange for the benefit of Navig8 shareholders | shares	31,233,170
Period following the anniversary of the closing of the merger, subject to indemnification obligation	24 months
Maximum payable for certain indemnification obligation	$ 75,000
Deductible applied under certain indemnification obligation	$ 5,000
VLCCs | Navig8 Crude Tankers Inc
2015 MERGER
Number of vessels under construction | item	14
Number of time charters entered into pool | item	1
Navig8 Crude Tankers Inc
2015 MERGER
Number of shares to be issued as consideration per share of Navig8 | shares	0.8947
Share Price | $ / shares	$ 14.348
Number of employees | item	0
Length of time charter in months		6 months
Value of shares owned by shareholders prior to merger	$ 31,500
Shares owned by shareholders prior to merger (as a percent)	47.45%