v3.26.1
Business and Basis of Presentation Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Derivative [Line Items]                
Stockholders' Equity Attributable to Noncontrolling Interest $ 119,092   $ 119,092     $ 117,395    
Preferred Stock, Shares Issued 0   0     0    
Redeemable Noncontrolling Interest, Equity, Carrying Amount $ 197,529 $ 252,685 $ 197,529 $ 252,685 $ 195,969 $ 252,981 $ 245,461 $ 199,402
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest 85 (999) 2,065 (741)        
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders 454 211 897 919        
Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest (2,273) 254 (6,261) (1,400)        
Noncontrolling Interest, Change in Redemption Value (737) 220 70 (10,603)        
Temporary Equity, Accretion to Redemption Value, Adjustment 230 (222) (577) 326        
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent 0 (52,151) 0 (82,398)        
Put / call option exercise $ 0 (1,815) (49,708) (1,815)        
Payments to Noncontrolling Interests     (44,027) (4,036)        
Discontinued Operations, Held-for-Sale or Disposed of by Sale | Ambac Assurance Corporation [Member]                
Derivative [Line Items]                
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent   $ (52,151)   $ (82,398)        
Retained Earnings [Member]                
Derivative [Line Items]                
Noncontrolling Interest, Change in Redemption Value     $ 70