v3.26.1
Fair Value - Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Level 1 [Member]    
Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value [Line Items]    
Total
Level 2 [Member]    
Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value [Line Items]    
Total 152.9 154.0
Level 3 [Member]    
Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value [Line Items]    
Total
5.50% Unsecured Notes [Member] | Level 1 [Member]    
Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value [Line Items]    
Total
5.50% Unsecured Notes [Member] | Level 2 [Member]    
Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value [Line Items]    
Total 77.4 77.8
5.50% Unsecured Notes [Member] | Level 3 [Member]    
Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value [Line Items]    
Total
7.75% Unsecured Notes [Member] | Level 1 [Member]    
Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value [Line Items]    
Total
7.75% Unsecured Notes [Member] | Level 2 [Member]    
Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value [Line Items]    
Total 75.5 76.2
7.75% Unsecured Notes [Member] | Level 3 [Member]    
Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value [Line Items]    
Total
Carrying Value [Member]    
Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value [Line Items]    
Total [1] 152.1 151.6
Carrying Value [Member] | 5.50% Unsecured Notes [Member]    
Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value [Line Items]    
Total [1] 79.7 79.5
Carrying Value [Member] | 7.75% Unsecured Notes [Member]    
Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value [Line Items]    
Total [1] 72.4 72.1
Fair Value [Member]    
Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value [Line Items]    
Total [2] 152.9 154.0
Fair Value [Member] | 5.50% Unsecured Notes [Member]    
Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value [Line Items]    
Total [2] 77.4 77.8
Fair Value [Member] | 7.75% Unsecured Notes [Member]    
Schedule of Carrying Value and Fair Value of the Company’s Financial Liabilities Disclosed, but Not Carried, at Fair Value [Line Items]    
Total [2] $ 75.5 $ 76.2
[1] Carrying value is net of unamortized deferred debt issuance costs. Unamortized deferred debt issuance costs associated with the 5.50% Unsecured Notes totaled approximately $0.8 million as of June 30, 2026. Unamortized deferred debt issuance costs associated with the 7.75% Unsecured Notes totaled approximately $2.3 million as of June 30, 2026.
[2] For the 5.50% Unsecured Notes and the 7.75% Unsecured Notes, fair value is based upon the closing price on the last day of the period. The 5.50% Unsecured Notes and the 7.75% Unsecured Notes are listed on the NASDAQ Global Select Market (trading symbol “OXSQG”, and “OXSQH”, respectively).