The actual hull coverage ratio of the Company as at period end.

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- Definition

The minimum liquidity required by covenants of certain debt currently held by the company. Liquidity is defined as cash, cash equivalents and undrawn committed revolving credit lines with at least six months to maturity.

+ References

No definition available.

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- Definition

The minimum free liquidity and undrawn revolving credit line required by covenants of certain debt currently held by the Company, as a percentage of total debt.

+ References

No definition available.

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- Definition

The minimum hull coverage ratio as required by certain covenants for debts held by the Company.

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- Definition

Lessee, Sales-type lease, Number of vessels repurchased

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No definition available.

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Number of Sale-Leaseback transactions

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Number of Third Party Valuators

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- Definition

Number Of Vessels

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No definition available.

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- Definition

Number of vessels obligated to purchase

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No definition available.

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Number of Lessors

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- Definition

Number of Vessels with Purchase Option

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No definition available.

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- Definition

Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
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- Definition

Weighted average discount rate for finance lease calculated at point in time.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

A description of the terms of the lease(s) related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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Operating Leases and Obligations Related to Finance Leases - Additional Information (Details)	1 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021 USD ($) valuator vessel	Dec. 31, 2021 USD ($) valuator vessel	Dec. 31, 2021 USD ($) valuator vessel	Dec. 31, 2021 USD ($) valuator vessel	Dec. 31, 2021 USD ($) valuator vessel	Dec. 31, 2021 USD ($) valuator vessel lessor	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Mar. 25, 2022 vessel
Lessee, Lease, Description [Line Items]
Number of Lessors					1		14
Minimum Liquidity Covenant Requirement \| $		$ 35,000,000	$ 35,000,000	$ 35,000,000	$ 35,000,000	$ 35,000,000	$ 35,000,000
Minimum Liquidity as a Percentage of Consolidated Debt Covenant Requirement		5.00%	5.00%	5.00%	5.00%	5.00%	5.00%
Finance Lease, Weighted Average Remaining Lease Term		4.80%	4.80%	4.80%	4.80%	4.80%	4.80%	7.80%
Finance Lease, Liability, Undiscounted Excess Amount \| $		$ 68,800,000	$ 68,800,000	$ 68,800,000	$ 68,800,000	$ 68,800,000	$ 68,800,000	$ 120,900,000
Number of vessels obligated to purchase		4	4	4	4	4	4
Payments to Acquire Property, Plant, and Equipment \| $				$ 21,447,000				$ 16,025,000	$ 11,628,000
Lessee, Sales-type lease, number of vessels repurchased [Line Items] \| $				8
Loss Contingency, Damages Sought, Value \| $		$ 7,300,000
Option to purchase between now and end of lease term
Lessee, Lease, Description [Line Items]
Number of Vessels with Purchase Option		10	10	10	10	10	10
Option to purchase starting in September 2023 until end of lease term
Lessee, Lease, Description [Line Items]
Number of Vessels with Purchase Option		4	4	4	4	4	4
Aframax Tanker
Lessee, Lease, Description [Line Items]
Number Of Vessels \| $		2	2	2	2	2	2
Minimum
Lessee, Lease, Description [Line Items]
Sale Leaseback Transaction, Lease Terms			seven
Long-term Debt, Term		6 months	6 months	6 months	6 months	6 months	6 months
Number of Third Party Valuators \| valuator		2	2	2	2	2	2
Maximum
Lessee, Lease, Description [Line Items]
Sale Leaseback Transaction, Lease Terms			12
Finance Lease Obligations
Lessee, Lease, Description [Line Items]
Minimum Liquidity Covenant Requirement \| $		$ 35,000,000	$ 35,000,000	$ 35,000,000	$ 35,000,000	$ 35,000,000	$ 35,000,000
Minimum Liquidity as a Percentage of Consolidated Debt Covenant Requirement		5.00%	5.00%	5.00%	5.00%	5.00%	5.00%
Number of Third Party Valuators \| valuator		1	1	1	1	1	1
Finance Lease Obligations \| Minimum
Lessee, Lease, Description [Line Items]
Long-term Debt, Term		6 months	6 months	6 months	6 months	6 months	6 months
July 2017, November 2018, September 2021 and November 2021 Sale Leaseback
Lessee, Lease, Description [Line Items]
Number Of Vessels		14	14	14	14	14	14
July 2017, November 2018, September 2021 and November 2021 Sale Leaseback \| Suezmax, Aframax and LR2 Vessels
Lessee, Lease, Description [Line Items]
Number of Vessels with Purchase Option		14	14	14	14	14	14
September 2021 Sale Leaseback
Lessee, Lease, Description [Line Items]
Number Of Vessels		4	4	4	4	4	4
November 2021 Sale Leaseback
Lessee, Lease, Description [Line Items]
Number Of Vessels		4	4	4	4	4	4
Debt Covenant Minimum Hull Coverage Ratio						105.00%
November 2021 Sale Leaseback \| Minimum
Lessee, Lease, Description [Line Items]
Actual Hull Coverage Ratio		132.00%	132.00%	132.00%	132.00%	132.00%	132.00%
November 2021 Sale Leaseback \| Maximum
Lessee, Lease, Description [Line Items]
Actual Hull Coverage Ratio		140.00%	140.00%	140.00%	140.00%	140.00%	140.00%
February 2022 Sale Leaseback \| Subsequent Event [Member]
Lessee, Lease, Description [Line Items]
Number Of Vessels										8
Debt Covenant Minimum Hull Coverage Ratio	100.00%
February 2022 Sale Leaseback \| Minimum \| Subsequent Event [Member]
Lessee, Lease, Description [Line Items]
Sale Leaseback Transaction, Lease Terms	six
February 2022 Sale Leaseback \| Maximum \| Subsequent Event [Member]
Lessee, Lease, Description [Line Items]
Sale Leaseback Transaction, Lease Terms	nine
September and November 2021 Sale Leaseback
Lessee, Lease, Description [Line Items]
Number of Sale Leaseback transactions					8
July 2017, November 2018 and September 2021 Sale Leaseback
Lessee, Lease, Description [Line Items]
Number Of Vessels		10	10	10	10	10	10
Debt Covenant Minimum Hull Coverage Ratio						100.00%
July 2017, November 2018 and September 2021 Sale Leaseback \| Minimum
Lessee, Lease, Description [Line Items]
Actual Hull Coverage Ratio		106.00%	106.00%	106.00%	106.00%	106.00%	106.00%	121.00%
July 2017, November 2018 and September 2021 Sale Leaseback \| Maximum
Lessee, Lease, Description [Line Items]
Actual Hull Coverage Ratio		134.00%	134.00%	134.00%	134.00%	134.00%	134.00%	156.00%
July 2017, November 2018 and November 2021 Sale Leaseback
Lessee, Lease, Description [Line Items]
Number Of Vessels		10	10	10	10	10	10
Variable Interest Entity, Primary Beneficiary
Lessee, Lease, Description [Line Items]
Number of Lessors \| lessor							6