v3.26.1
Regulatory Capital Requirements (Details)
$ in Millions
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract]    
Adjusted total assets $ 4,435,000 $ 4,423,000
Risk-weighted assets 1,461,000 1,411,000
Total capital (statutory)    
Available Capital (Deficit) (less than in 2026) 5,000 (3,000)
Minimum Capital Requirement 117,000 113,000
Total Capital Requirement (including Buffers) $ 117,000 $ 113,000
Available Capital (Deficit) Ratio 0.003 (0.002)
Minimum Capital Ratio Requirement 0.080 0.080
Total Capital Requirement Ratio (including Buffers) 0.080 0.080
Common equity tier 1 capital    
Available Capital (Deficit) $ (33,000) $ (41,000)
Minimum Capital Requirement 66,000 63,000
Total Capital Requirement (including Buffers) $ 143,000 $ 143,000
Available Capital (Deficit) Ratio (0.022) (0.029)
Minimum Capital Ratio Requirement 0.045 0.045
Total Capital Requirement Ratio (including Buffers) 0.098 0.102
Tier 1 capital    
Available Capital (Deficit) $ (14,000) $ (22,000)
Minimum Capital Requirement 88,000 85,000
Total Capital Requirement (including Buffers) $ 165,000 $ 165,000
Available Capital (Deficit) Ratio (0.009) (0.016)
Minimum Capital Ratio Requirement 0.060 0.060
Total Capital Requirement Ratio (including Buffers) 0.113 0.117
Adjusted total capital    
Available Capital (Deficit) $ (14,000) $ (22,000)
Minimum Capital Requirement 117,000 113,000
Total Capital Requirement (including Buffers) $ 194,000 $ 193,000
Available Capital (Deficit) Ratio (0.009) (0.016)
Minimum Capital Ratio Requirement 0.080 0.080
Total Capital Requirement Ratio (including Buffers) 0.133 0.137
Core capital (statutory)    
Available Capital (Deficit) $ (4,000) $ (12,000)
Minimum Capital Requirement 111,000 111,000
Total Capital Requirement (including Buffers) $ 111,000 $ 111,000
Available Capital (Deficit) Ratio (0.001) (0.003)
Minimum Capital Ratio Requirement 0.025 0.025
Total Capital Requirement Ratio (including Buffers) 0.025 0.025
Tier 1 capital    
Available Capital (Deficit) $ (14,000) $ (22,000)
Minimum Capital Requirement 111,000 111,000
Total Capital Requirement (including Buffers) $ 133,000 $ 134,000
Available Capital (Deficit) Ratio (0.003) (0.005)
Minimum Capital Ratio Requirement 0.025 0.025
Total Capital Requirement Ratio (including Buffers) 0.030 0.030
Senior preferred stock $ 120,836 $ 120,836