v3.26.1
Loans and Leases Held for Investment - Aging Analysis of Loans and Leases Held for Investment (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Financing Receivable, Past Due [Line Items]      
Financing Receivable Recorded Investment Total Past Due $ 345,129 $ 200,958  
Loans held for investment, net 24,780,347 25,032,679 $ 24,126,527
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Current 24,435,218 24,831,721  
30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
30-89 Days Past Due 263,530 108,303  
90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
90 or More Days Past Due 81,599 92,655  
Real Estate Mortgage      
Financing Receivable, Past Due [Line Items]      
Financing Receivable Recorded Investment Total Past Due 166,070 169,526  
Loans held for investment, net 13,506,898 13,750,787 13,492,658
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Current 13,340,828 13,581,261  
Real Estate Mortgage | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
30-89 Days Past Due 85,004 77,704  
Real Estate Mortgage | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
90 or More Days Past Due 81,066 91,822  
Real Estate Construction and Land      
Financing Receivable, Past Due [Line Items]      
Financing Receivable Recorded Investment Total Past Due 173,612 26,540  
Loans held for investment, net 1,892,329 1,947,627 2,861,038
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Current 1,718,717 1,921,087  
Real Estate Construction and Land | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
30-89 Days Past Due 173,612 26,540  
Real Estate Construction and Land | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
90 or More Days Past Due 0 0  
Commercial      
Financing Receivable, Past Due [Line Items]      
Financing Receivable Recorded Investment Total Past Due 2,490 2,230  
Loans held for investment, net 9,032,987 8,977,206 7,378,799
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Current 9,030,497 8,974,976  
Commercial | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
30-89 Days Past Due 2,605 2,126  
Commercial | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
90 or More Days Past Due (115) 104  
Consumer      
Financing Receivable, Past Due [Line Items]      
Financing Receivable Recorded Investment Total Past Due 2,957 2,662  
Loans held for investment, net 348,133 357,059 $ 394,032
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Current 345,176 354,397  
Consumer | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
30-89 Days Past Due 2,309 1,933  
Consumer | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
90 or More Days Past Due 648 729  
Asset Based | Commercial      
Financing Receivable, Past Due [Line Items]      
Financing Receivable Recorded Investment Total Past Due 509 1,142  
Loans held for investment, net 3,209,338 2,951,010  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Current 3,208,829 2,949,868  
Asset Based | Commercial | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
30-89 Days Past Due 509 1,142  
Asset Based | Commercial | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
90 or More Days Past Due 0 0  
Venture Capital Loans | Commercial      
Financing Receivable, Past Due [Line Items]      
Financing Receivable Recorded Investment Total Past Due 595 0  
Loans held for investment, net 2,322,261 2,222,097  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Current 2,321,666 2,222,097  
Venture Capital Loans | Commercial | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
30-89 Days Past Due 595 0  
Venture Capital Loans | Commercial | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
90 or More Days Past Due 0 0  
Other Commercial | Commercial      
Financing Receivable, Past Due [Line Items]      
Financing Receivable Recorded Investment Total Past Due 1,386 1,088  
Loans held for investment, net 3,501,388 3,804,099  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Current 3,500,002 3,803,011  
Other Commercial | Commercial | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
30-89 Days Past Due 1,501 984  
Other Commercial | Commercial | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
90 or More Days Past Due (115) 104  
Commercial Real Estate Construction Loan Receivable | Real Estate Construction and Land      
Financing Receivable, Past Due [Line Items]      
Financing Receivable Recorded Investment Total Past Due 32,925 0  
Loans held for investment, net 364,575 379,387  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Current 331,650 379,387  
Commercial Real Estate Construction Loan Receivable | Real Estate Construction and Land | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
30-89 Days Past Due 32,925 0  
Commercial Real Estate Construction Loan Receivable | Real Estate Construction and Land | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
90 or More Days Past Due 0 0  
Residential Real Estate Construction Financing Receivable | Real Estate Construction and Land      
Financing Receivable, Past Due [Line Items]      
Financing Receivable Recorded Investment Total Past Due 140,687 26,540  
Loans held for investment, net 1,527,754 1,568,240  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Current 1,387,067 1,541,700  
Residential Real Estate Construction Financing Receivable | Real Estate Construction and Land | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
30-89 Days Past Due 140,687 26,540  
Residential Real Estate Construction Financing Receivable | Real Estate Construction and Land | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
90 or More Days Past Due 0 0  
Commercial | Real Estate Mortgage      
Financing Receivable, Past Due [Line Items]      
Financing Receivable Recorded Investment Total Past Due 51,886 57,004  
Loans held for investment, net 4,093,386 4,314,637  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Current 4,041,500 4,257,633  
Commercial | Real Estate Mortgage | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
30-89 Days Past Due 10,828 10,498  
Commercial | Real Estate Mortgage | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
90 or More Days Past Due 41,058 46,506  
Other Residential Real Estate | Real Estate Mortgage      
Financing Receivable, Past Due [Line Items]      
Financing Receivable Recorded Investment Total Past Due 78,805 77,099  
Loans held for investment, net 3,458,410 3,346,733  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Current 3,379,605 3,269,634  
Other Residential Real Estate | Real Estate Mortgage | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
30-89 Days Past Due 41,333 34,319  
Other Residential Real Estate | Real Estate Mortgage | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
90 or More Days Past Due 37,472 42,780  
Multifamily | Real Estate Mortgage      
Financing Receivable, Past Due [Line Items]      
Financing Receivable Recorded Investment Total Past Due 35,379 35,423  
Loans held for investment, net 5,955,102 6,089,417  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Current 5,919,723 6,053,994  
Multifamily | Real Estate Mortgage | 30 TO 89 Days Past Due      
Financing Receivable, Past Due [Line Items]      
30-89 Days Past Due 32,843 32,887  
Multifamily | Real Estate Mortgage | 90 Or More Days Past Due      
Financing Receivable, Past Due [Line Items]      
90 or More Days Past Due $ 2,536 $ 2,536