Annual report [Section 13 and 15(d), not S-K Item 405]

Long-Term Debt Additional Information (Detail1)

v3.26.1
Long-Term Debt Additional Information (Detail1) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Jun. 24, 2022
Debt Instrument [Line Items]      
Interest expense $ 16,602 $ 17,173  
Secured debt long term fair value 186,489 170,148  
Additional Secured Debentures [Member]      
Debt Instrument [Line Items]      
Interest expense 2,600 2,400  
Secured debt long term fair value     $ 25,000
June Secured Debentures [Member]      
Debt Instrument [Line Items]      
Interest expense 10,200 9,400  
Secured debt long term fair value 154,569 134,096 84,500
June Unsecured Debentures [Member]      
Debt Instrument [Line Items]      
Interest expense $ 2,000 $ 1,900  
Secured debt long term fair value     $ 14,900
Other Equity Method Investees [Member]      
Debt Instrument [Line Items]      
Equity Method Investment, Ownership Percentage 5.00%    
Other Equity Method Investees [Member] | Additional Secured Debentures [Member] | Lenders [Member] | Minimum [Member]      
Debt Instrument [Line Items]      
Equity Method Investment, Ownership Percentage     5.00%
Other Equity Method Investees [Member] | June Secured Debentures [Member] | Lenders [Member] | Minimum [Member]      
Debt Instrument [Line Items]      
Equity Method Investment, Ownership Percentage     5.00%
Other Equity Method Investees [Member] | June Unsecured Debentures [Member] | Lenders [Member] | Minimum [Member]      
Debt Instrument [Line Items]      
Equity Method Investment, Ownership Percentage     5.00%