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DEBT - Additional Information (Details) shares in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended
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Nov. 30, 2019 USD ($) | Oct. 31, 2019 | Jun. 30, 2017 USD ($) very_large_crude_carrier | Feb. 28, 2017 USD ($) | Dec. 31, 2016 USD ($) | Aug. 31, 2016 USD ($) | Jul. 31, 2016 USD ($) | Jun. 30, 2016 USD ($) | Dec. 31, 2015 USD ($) | Mar. 31, 2015 USD ($) vessel | Dec. 31, 2014 USD ($) tranch | Mar. 31, 2020 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) shares | Dec. 31, 2019 USD ($) suezmax_tanker very_large_crude_carrier shares | Dec. 31, 2018 USD ($) very_large_crude_carrier large_range_2_tanker shares | Dec. 31, 2017 vessel | Dec. 31, 2017 suezmax_tanker | Dec. 31, 2017 very_large_crude_carrier | Dec. 31, 2017 USD ($) | Dec. 31, 2017 large_range_2_tanker | Dec. 31, 2016 USD ($) suezmax_tanker | Dec. 31, 2016 USD ($) | Dec. 31, 2016 USD ($) large_range_2_tanker | Dec. 31, 2015 USD ($) large_range_2_tanker
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of second hand vessels | vessel |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of VLCC vessels | very_large_crude_carrier |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 |  |  |  |  |  |  |  |  |  |
Number of vessels owned, Suezmax tankers | suezmax_tanker |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 |  |  |  |  |  |  |  |  |  |
Marketable securities pledged to creditors |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 8,392,000 | $ 7,323,000 | $ 8,392,000 |  |  |  |  |  |  |  |  |
Cash required to be maintained for covenant compliance |  |  |  |  |  |  |  |  |  |  |  |  |  | 37,900,000 | 38,300,000 | 37,900,000 |  |  |  |  |  |  |  |  |
Secured borrowings |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,631,000 | $ 7,329,000 | $ 7,631,000 |  |  |  |  |  |  |  |  |
Debt instrument, covenant compliance, cash required to be maintained, percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% | 50.00% | 50.00% |  |  |  |  |  |  |  |  |
loan arrangement fees |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 700,000 | $ 0 |  |  |  |  |  |  |  |  |
Payment Of Guarantee Fee |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,400,000 |  |  |  |  |  |  |  |  |  |
Guarantee Fee Recognized As Interest Expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,100,000 |  |  |  |  |  |  |  |  |  |
Prepaid Guarantee Fee |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,300,000 |  |  |  |  |  |  |  |  |  |
LR2 Tanker |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of tankers delivered | large_range_2_tanker |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 | 3
$466.5 million term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 466,500,000.0 |  |  |  |  |  |  |  |  |  |
$60.6 million term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60,600,000.0 |  |  |  |  |  |  |  |  |  |
$500.1 million term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 500,100,000.0 |  |  |  |  |  |  |  |  |  |
$275.0 million revolving credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 270,000,000.0 |  |  |  |  |  |  |  |  |  |
Debt Instrument, Increase (Decrease), Net |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 66,000,000 |  |  |  |  |  |  |  |  |  |
$109.2 million term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 109,200,000.0 |  |  |  |  |  |  |  |  |  |
Debt Instrument, Increase (Decrease), Net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (54,600,000) |  |  |  |  |
Number of newbuild vessels financed by term loan facility | vessel |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |
$328.4 million term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 328,400,000.0 |  |  |  |  |  |  |  |  |  |
Debt Instrument, Increase (Decrease), Net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (165,900,000) |  |  |  |  |
Number of newbuild vessels financed by term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  | 3 |  |  |  |
$110.5 million term loan facility (Credit Suisse) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 110,500,000.0 |  |  |  |  |  |  |  |  |  |
Number of newbuild vessels financed by term loan facility | very_large_crude_carrier |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1 |  |  |  |  |  |
$321.6 million term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  | $ 321,600,000.0 |  |  |  |  |  |  |  |  |  |  | 321,600,000.0 |  |  |  |  |  |  |  |  |  |
Number of newbuild vessels financed by term loan facility | large_range_2_tanker |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |
Number of vessels pledged as security on long-term debt instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  |  | 3 |  |  |  |
$110.5 million term loan facility (Credit Suisse 2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  | $ 110,500,000.0 |  |  |  |  |  |  |  |  |  |  |  | $ 110,500,000.0 |  |  |  |  |  |  |  |  |  |
Number of newbuild vessels financed by term loan facility | very_large_crude_carrier |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  |  |  |  |  |  |  |  |
Debt Instrument, Increase In Face Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 15,000,000 |  |  |  |  |  |  |  |  |  |
$110.5 million term loan facility (ING) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  | $ 110,500,000.0 |  |  |  |  |  |  |  |  |  |  |  | $ 110,500,000.0 |  |  |  |  |  |  |  |  |  |
Number of newbuild vessels financed by term loan facility | very_large_crude_carrier |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |
Debt Instrument, Increase In Face Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,100,000 |  |  |  |  |  |  |  |  |  |
Term loan facility $42.9 million CS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount | $ 42,900,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | $466.5 million term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  | $ 466,500,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of tranches | tranch |  |  |  |  |  |  |  |  |  |  | 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity of each tranche |  |  |  |  |  |  |  |  |  |  | $ 33,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Loan Margin, Percentage |  |  |  |  |  |  |  |  | 1.90% |  | 2.05% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment fee percentage |  |  |  |  |  |  |  |  |  |  | 0.82% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Increase (Decrease), Net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (192,400,000) |  | $ (99,000,000)
Loan repayments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 126,400,000 |  | 13,100,000
Loans Payable | $466.5 million term loan facility | MR tanker |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Periodic quarterly payment |  |  |  |  |  |  |  |  |  |  | $ 400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | $466.5 million term loan facility | LR2 Tanker |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Periodic quarterly payment |  |  |  |  |  |  |  |  |  |  | 400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | Term loan facility $136.5 million |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  | $ 136,500,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | $60.6 million term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  | $ 60,600,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Periodic quarterly payment |  |  |  |  |  |  |  |  |  | $ 900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of debt |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | $60.6 million term loan facility | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  |  |  |  |  |  |  |  | 1.80% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | $500.1 million term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  | $ 500,100,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,100,000.0
Periodic quarterly payment |  |  |  |  |  |  |  |  | $ 9,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | $500.1 million term loan facility | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  |  |  |  |  |  |  | 1.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | $275.0 million revolving credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  | $ 275,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate |  |  |  |  |  |  |  | 6.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
loan availability period |  | 6 months |  |  |  |  |  | 18 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
loan repayable period |  |  |  |  |  |  |  | 18 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Unused Borrowing Capacity, Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 155,000,000 |  |  |  |  |  |  |  |  |  |
Loans Payable | $109.2 million term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  | $ 109,200,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of debt |  |  |  |  |  |  | 17 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | $109.2 million term loan facility | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  |  |  |  |  | 1.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | $328.4 million term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 328,400,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Increase (Decrease), Net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (109,000,000) |  |
Term of debt |  |  |  |  |  | 18 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of part-financed vessels - delivered |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  | 1 |
Loans Payable | $110.5 million term loan facility (Credit Suisse) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Increase (Decrease), Net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (54,900,000) |  |  |  | (54,900,000) |  |  |  |  |
Debt Instrument, Increase In Face Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,000,000.0 |  |  |  |  |  |  |  |  |  |
Loans Payable | $321.6 million term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  | $ 321,600,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Increase (Decrease), Net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (32,000,000) |  |  |  | $ (252,700,000) |  |  |  |  |
Term of debt |  |  |  | 15 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | $110.5 million term loan facility (Credit Suisse 2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  | $ 110,500,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Increase (Decrease), Net |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (55,300,000) | $ (54,900,000) |  |  |  |  |  |  |  |  |
Term of debt |  |  | 18 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | $110.5 million term loan facility (Credit Suisse 2) | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  | 1.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | $110.5 million term loan facility (ING) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Increase (Decrease), Net |  |  | $ (55,300,000) |  |  |  |  |  |  |  |  |  |  |  | (55,300,000) |  |  |  |  |  |  |  |  |  |
Term of debt |  |  | 18 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | $110.5 million term loan facility (ING) | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  | 1.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | Term loan facility $110.5 million |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  | $ 110,500,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 110,500,000.0 | $ 110,500,000.0 | $ 110,500,000.0 |
Term of debt |  |  |  |  | 18 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | Term loan facility $110.5 million | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate |  |  |  |  | 1.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | Term loan facility $42.9 million CS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of debt | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate amortization profile | 18 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable | Term loan facility $42.9 million CS | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable interest rate | 1.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Payable On Increased Borrowing Base | $110.5 million term loan facility (ING) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Increase (Decrease), Net |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (4,100,000) |  |  |  |  |  |  |  |  |  |
Golden Ocean |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares disposed (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.3 | 1.3 | 1.3 |  |  |  |  |  |  |  |  |
Proceeds from sale of marketable securities |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,700,000 | $ 7,700,000 | $ 7,600,000 | $ 7,700,000 |  |  |  |  |  |  |  |  |
Avance Gas |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of total repurchase price posted as collateral |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.00% | 20.00% |  |  |  |  |  |  |  |  |
Marketable securities pledged to creditors |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 442,384 |  | $ 442,384 |  |  |  |  |  |  |  |  |
Forecast | Golden Ocean |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of marketable securities |  |  |  |  |  |  |  |  |  |  |  | $ 7,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |

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