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FAIR VALUE OF FINANCIAL INSTRUMENTS, DERIVATIVES AND FAIR VALUE DISCLOSURES (Other Than Derivatives) (Details) - USD ($) $ in Thousands	Jun. 30, 2026	May 31, 2026	Dec. 31, 2025
TISL Borrowing Base Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Credit facility, maximum borrowing capacity		$ 40,000
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	$ 159,397		$ 116,922
Short-term investments	250,000		50,000
Fair Value, Inputs, Level 1 [Member] \| 2030 Bonds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	(253,765)		(249,748)
Fair Value, Inputs, Level 2 [Member] \| ECA Credit Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	(164,665)		(81,494)
Fair Value, Inputs, Level 2 [Member] \| TISL Borrowing Base Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	(8,500)
Fair Value, Inputs, Level 2 [Member] \| BoComm Lease Financing
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	(159,708)		(174,713)
Fair Value, Inputs, Level 2 [Member] \| Toshin Lease Financing
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	(8,954)		(10,151)
Fair Value, Inputs, Level 2 [Member] \| Hyuga Lease Financing
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	(8,617)		(10,164)
Fair Value, Inputs, Level 2 [Member] \| Kaiyo Lease Financing
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	(7,818)		(9,485)
Fair Value, Inputs, Level 2 [Member] \| Kaisha Lease Financing
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	$ (7,812)		$ (8,921)