LEASES (Tables)

12 Months Ended

Dec. 31, 2025

Lease [Abstract]

Schedule of lease cost

(Dollars in thousands)		2025		2024		2023
Operating lease cost
Vessel assets
Charter hire expenses	$	14,180	$	11,977	$	6,192
Finance lease cost
Vessel assets
Amortization of right-of-use assets		—		—		731
Interest on lease liabilities		—		—		124
Office space
General and administrative		908		904		869
Voyage expenses		122		180		180
Short-term lease cost
Vessel assets (1)
Charter hire expenses		5,144		4,784		18,679
Total lease cost	$	20,354	$	17,845	$	26,775

(1) Excludes vessels and workboats spot chartered-in under operating leases and employed in the Crude Tankers Lightering business for periods of less than one month each, totaling $1.5 million, $4.0 million and $2.1 million for the years ended December 31, 2025, 2024 and 2023, respectively, including both lease and non-lease components.

Supplemental lease information

Supplemental cash flow information related to leases was as follows:

(Dollars in thousands)		2025		2024		2023
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows used for operating leases	$	15,394	$	13,240	$	6,028
Finance cash flows used for finance leases		—		—		42,284

Supplemental balance sheet information related to leases was as follows:

(Dollars in thousands)	December 31, 2025		December 31, 2024
Operating lease right-of-use assets	$	7,220	$	21,229
Current portion of operating lease liabilities	$	(3,182)	$	(14,617)
Long-term operating lease liabilities		(5,954)		(8,715)
Total operating lease liabilities	$	(9,136)	$	(23,332)
Weighted average remaining lease term - operating leases		5.62 years		3.37 years
Weighted average discount rate - operating leases		4.77%		5.51%

Schedule of lease maturity receivables

(Dollars in thousands)	Amount		Revenue Days
2026	$	95,129	3,120
2027		39,433	1,259
2028		34,038	1,098
2029		33,945	1,095
2030		7,068	228
Future minimum revenues	$	209,612	6,800

Office Space And Lightering Workboat Dock Space [Member]

Lease [Abstract]

Schedule of lease maturity payments

Payments of lease liabilities for office space as of December 31, 2025 are as follows:

(Dollars in thousands)		Amount
2026	$	1,297
2027		1,250
2028		1,077
2029		1,077
2030		1,077
Thereafter		2,602
Total lease payments		8,380
less imputed interest		(1,186)
Total operating lease liabilities	$	7,194

Time Charters-In [Member]

Lease [Abstract]

Schedule of lease maturity payments

Time Charters-in

(Dollars in thousands)	Amount		Operating Days
2026	$	1,948	72
Total lease payments (lease component only)		1,948	72
less imputed interest		(6)
Total operating lease liabilities	$	1,942