v3.26.1
Long-Term Debt - Components (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Long-Term Debt    
Long-term debt $ 905,915 $ 959,633
Net of debt issuance costs 902,500  
Less: current installments 315,261 383,146
Less: unamortized deferred loan issuance costs 1,442 2,020
Current portion of long-term debt 313,819 381,126
Amounts due after one year 590,654 576,487
Less: unamortized deferred loan issuance costs 1,964 2,513
Long-term debt, less current installments, and unamortized deferred loan issuance costs 588,690 573,974
$345 million loan facility    
Long-Term Debt    
Long-term debt 225,798 238,343
Debt instrument face amount 345,000 345,000
$240 million loan facility    
Long-Term Debt    
Long-term debt 133,585 151,321
Debt instrument face amount 240,000 240,000
$60 Million Hilda Loan Facility    
Long-Term Debt    
Long-term debt 45,000 48,750
Debt instrument face amount 60,000 60,000
$69 million Tuva loan facility    
Long-Term Debt    
Long-term debt 59,980 62,568
Debt instrument face amount 69,000 69,000
$73 million Live loan facility    
Long-Term Debt    
Long-term debt 67,170 69,658
Debt instrument face amount 73,000 73,000
$71 million Synnve loan facility    
Long-Term Debt    
Long-term debt 68,707 71,076
Debt instrument face amount 71,000 71,000
$70 million Daqing loan facility    
Long-Term Debt    
Long-term debt 65,781 68,130
Debt instrument face amount 70,000 70,000
$25 million revolving credit facility with NTT    
Long-Term Debt    
Long-term debt 2,000 2,000
Debt instrument face amount 25,000 25,000
$25 million revolving credit facility with Shinsei    
Long-Term Debt    
Debt instrument face amount 25,000 25,000
Raquel Sale & Leaseback    
Long-Term Debt    
Long-term debt 65,130 68,010
Torill Sale & Leaseback    
Long-Term Debt    
Long-term debt 77,435 81,921
Tove Sale & Leaseback    
Long-Term Debt    
Long-term debt $ 95,329 $ 97,856