v3.26.1
Loans and Leases Held for Investment - Schedule of Aging Analysis of Loans and Leases Held for Investment (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Financing Receivable, Past Due [Line Items]      
Total $ 24,210,846 $ 25,032,679 $ 24,245,893
30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 91,196 108,303  
90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 82,457 92,655  
Total Past Due      
Financing Receivable, Past Due [Line Items]      
Total 173,653 200,958  
Current      
Financing Receivable, Past Due [Line Items]      
Total 24,037,193 24,831,721  
Real estate mortgage      
Financing Receivable, Past Due [Line Items]      
Total 13,276,580 13,750,787 13,807,808
Real estate mortgage | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 79,492 77,704  
Real estate mortgage | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 67,623 91,822  
Real estate mortgage | Total Past Due      
Financing Receivable, Past Due [Line Items]      
Total 147,115 169,526  
Real estate mortgage | Current      
Financing Receivable, Past Due [Line Items]      
Total 13,129,465 13,581,261  
Real estate mortgage | Commercial      
Financing Receivable, Past Due [Line Items]      
Total 4,037,229 4,314,637  
Real estate mortgage | Commercial | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 10,249 10,498  
Real estate mortgage | Commercial | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 17,821 46,506  
Real estate mortgage | Commercial | Total Past Due      
Financing Receivable, Past Due [Line Items]      
Total 28,070 57,004  
Real estate mortgage | Commercial | Current      
Financing Receivable, Past Due [Line Items]      
Total 4,009,159 4,257,633  
Real estate mortgage | Multi-family      
Financing Receivable, Past Due [Line Items]      
Total 5,445,475 6,089,417  
Real estate mortgage | Multi-family | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 0 32,887  
Real estate mortgage | Multi-family | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 11,639 2,536  
Real estate mortgage | Multi-family | Total Past Due      
Financing Receivable, Past Due [Line Items]      
Total 11,639 35,423  
Real estate mortgage | Multi-family | Current      
Financing Receivable, Past Due [Line Items]      
Total 5,433,836 6,053,994  
Real estate mortgage | Other residential      
Financing Receivable, Past Due [Line Items]      
Total 3,793,876 3,346,733  
Real estate mortgage | Other residential | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 69,243 34,319  
Real estate mortgage | Other residential | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 38,163 42,780  
Real estate mortgage | Other residential | Total Past Due      
Financing Receivable, Past Due [Line Items]      
Total 107,406 77,099  
Real estate mortgage | Other residential | Current      
Financing Receivable, Past Due [Line Items]      
Total 3,686,470 3,269,634  
Real estate construction and land      
Financing Receivable, Past Due [Line Items]      
Total 1,474,851 1,947,627 2,302,091
Real estate construction and land | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 0 26,540  
Real estate construction and land | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 2,385 0  
Real estate construction and land | Total Past Due      
Financing Receivable, Past Due [Line Items]      
Total 2,385 26,540  
Real estate construction and land | Current      
Financing Receivable, Past Due [Line Items]      
Total 1,472,466 1,921,087  
Real estate construction and land | Commercial      
Financing Receivable, Past Due [Line Items]      
Total 360,392 379,387  
Real estate construction and land | Commercial | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 0 0  
Real estate construction and land | Commercial | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 0 0  
Real estate construction and land | Commercial | Total Past Due      
Financing Receivable, Past Due [Line Items]      
Total 0 0  
Real estate construction and land | Commercial | Current      
Financing Receivable, Past Due [Line Items]      
Total 360,392 379,387  
Real estate construction and land | Residential      
Financing Receivable, Past Due [Line Items]      
Total 1,114,459 1,568,240  
Real estate construction and land | Residential | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 0 26,540  
Real estate construction and land | Residential | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 2,385 0  
Real estate construction and land | Residential | Total Past Due      
Financing Receivable, Past Due [Line Items]      
Total 2,385 26,540  
Real estate construction and land | Residential | Current      
Financing Receivable, Past Due [Line Items]      
Total 1,112,074 1,541,700  
Commercial      
Financing Receivable, Past Due [Line Items]      
Total 9,112,431 8,977,206 7,753,257
Commercial | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 10,154 2,126  
Commercial | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 11,655 104  
Commercial | Total Past Due      
Financing Receivable, Past Due [Line Items]      
Total 21,809 2,230  
Commercial | Current      
Financing Receivable, Past Due [Line Items]      
Total 9,090,622 8,974,976  
Commercial | Asset-based      
Financing Receivable, Past Due [Line Items]      
Total 3,318,822 2,951,010  
Commercial | Asset-based | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 5,891 1,142  
Commercial | Asset-based | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 0 0  
Commercial | Asset-based | Total Past Due      
Financing Receivable, Past Due [Line Items]      
Total 5,891 1,142  
Commercial | Asset-based | Current      
Financing Receivable, Past Due [Line Items]      
Total 3,312,931 2,949,868  
Commercial | Venture capital      
Financing Receivable, Past Due [Line Items]      
Total 2,440,075 2,222,097  
Commercial | Venture capital | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 0 0  
Commercial | Venture capital | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 0 0  
Commercial | Venture capital | Total Past Due      
Financing Receivable, Past Due [Line Items]      
Total 0 0  
Commercial | Venture capital | Current      
Financing Receivable, Past Due [Line Items]      
Total 2,440,075 2,222,097  
Commercial | Other commercial      
Financing Receivable, Past Due [Line Items]      
Total 3,353,534 3,804,099  
Commercial | Other commercial | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 4,263 984  
Commercial | Other commercial | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 11,655 104  
Commercial | Other commercial | Total Past Due      
Financing Receivable, Past Due [Line Items]      
Total 15,918 1,088  
Commercial | Other commercial | Current      
Financing Receivable, Past Due [Line Items]      
Total 3,337,616 3,803,011  
Consumer      
Financing Receivable, Past Due [Line Items]      
Total 346,984 357,059 $ 382,737
Consumer | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 1,550 1,933  
Consumer | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
Total 794 729  
Consumer | Total Past Due      
Financing Receivable, Past Due [Line Items]      
Total 2,344 2,662  
Consumer | Current      
Financing Receivable, Past Due [Line Items]      
Total $ 344,640 $ 354,397