v3.26.1
Bank Loans (Schedule of Term Loans Amortized Cost Basis by Origination Year and Revolving Cost Amortized Cost Basis) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total $ 24,574,685 $ 22,066,763
Residential Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 9,619,618 9,254,939
Residential Real Estate [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,128,113  
Residential Real Estate [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,600,304  
Residential Real Estate [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 816,509  
Residential Real Estate [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 763,696  
Residential Real Estate [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 2,177,331  
Residential Real Estate [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,133,665  
Fund Banking [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 5,767,990 4,096,649
Fund Banking [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 703,966  
Fund Banking [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 13,891  
Fund Banking [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 14,107  
Fund Banking [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 991  
Fund Banking [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 315  
Fund Banking [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 5,034,720  
Commercial and Industrial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 4,529,422 4,135,091
Commercial and Industrial [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 557,855  
Commercial and Industrial [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 752,435  
Commercial and Industrial [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 737,017  
Commercial and Industrial [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 266,186  
Commercial and Industrial [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 499,382  
Commercial and Industrial [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 596,738  
Commercial and Industrial [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,119,809  
Securities-Based Loans [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 2,977,657 2,672,431
Securities-Based Loans [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 400  
Securities-Based Loans [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 10,008  
Securities-Based Loans [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 4,307  
Securities-Based Loans [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 10,056  
Securities-Based Loans [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 700  
Securities-Based Loans [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 80,838  
Securities-Based Loans [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 2,871,348  
Construction And Land [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 977,377 1,214,450
Construction And Land [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 165,162  
Construction And Land [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 87,261  
Construction And Land [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 209,553  
Construction And Land [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 391,222  
Construction And Land [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 124,179  
Commercial Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 412,809 423,474
Commercial Real Estate [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 27,938  
Commercial Real Estate [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 41,298  
Commercial Real Estate [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 18,053  
Commercial Real Estate [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 16,758  
Commercial Real Estate [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 214,052  
Commercial Real Estate [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 91,710  
Commercial Real Estate [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,000  
Home Equity Lines Of Credit [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 247,016 225,196
Home Equity Lines Of Credit [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 247,016  
Other [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 42,796 44,533
Other [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,991  
Other [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 20,000  
Other [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 18,805  
Pass [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 24,107,204 21,594,679
Pass [Member] | Residential Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 9,614,634 9,247,024
Pass [Member] | Residential Real Estate [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,128,113  
Pass [Member] | Residential Real Estate [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,600,304  
Pass [Member] | Residential Real Estate [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 816,509  
Pass [Member] | Residential Real Estate [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 763,329  
Pass [Member] | Residential Real Estate [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 2,176,320  
Pass [Member] | Residential Real Estate [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,130,059  
Pass [Member] | Fund Banking [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 5,767,990 4,096,649
Pass [Member] | Fund Banking [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 703,966  
Pass [Member] | Fund Banking [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 13,891  
Pass [Member] | Fund Banking [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 14,107  
Pass [Member] | Fund Banking [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 991  
Pass [Member] | Fund Banking [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 315  
Pass [Member] | Fund Banking [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 5,034,720  
Pass [Member] | Commercial and Industrial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 4,255,957 3,851,296
Pass [Member] | Commercial and Industrial [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 521,655  
Pass [Member] | Commercial and Industrial [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 749,693  
Pass [Member] | Commercial and Industrial [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 672,913  
Pass [Member] | Commercial and Industrial [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 257,176  
Pass [Member] | Commercial and Industrial [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 454,503  
Pass [Member] | Commercial and Industrial [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 530,505  
Pass [Member] | Commercial and Industrial [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,069,512  
Pass [Member] | Securities-Based Loans [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 2,977,657 2,672,431
Pass [Member] | Securities-Based Loans [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 400  
Pass [Member] | Securities-Based Loans [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 10,008  
Pass [Member] | Securities-Based Loans [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 4,307  
Pass [Member] | Securities-Based Loans [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 10,056  
Pass [Member] | Securities-Based Loans [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 700  
Pass [Member] | Securities-Based Loans [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 80,838  
Pass [Member] | Securities-Based Loans [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 2,871,348  
Pass [Member] | Construction And Land [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 826,884 1,110,498
Pass [Member] | Construction And Land [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 165,162  
Pass [Member] | Construction And Land [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 87,261  
Pass [Member] | Construction And Land [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 209,553  
Pass [Member] | Construction And Land [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 306,691  
Pass [Member] | Construction And Land [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 58,217  
Pass [Member] | Commercial Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 375,031 348,069
Pass [Member] | Commercial Real Estate [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 27,938  
Pass [Member] | Commercial Real Estate [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 41,298  
Pass [Member] | Commercial Real Estate [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 4,450  
Pass [Member] | Commercial Real Estate [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 16,758  
Pass [Member] | Commercial Real Estate [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 189,877  
Pass [Member] | Commercial Real Estate [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 91,710  
Pass [Member] | Commercial Real Estate [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,000  
Pass [Member] | Home Equity Lines Of Credit [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 246,355 224,182
Pass [Member] | Home Equity Lines Of Credit [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 246,355  
Pass [Member] | Other [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 42,696 44,530
Pass [Member] | Other [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,991  
Pass [Member] | Other [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 20,000  
Pass [Member] | Other [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 18,705  
Special Mention [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 121,805 145,241
Special Mention [Member] | Residential Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 991 4,427
Special Mention [Member] | Residential Real Estate [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 367  
Special Mention [Member] | Residential Real Estate [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 624  
Special Mention [Member] | Commercial and Industrial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 47,914 120,212
Special Mention [Member] | Commercial and Industrial [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,000  
Special Mention [Member] | Commercial and Industrial [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,167  
Special Mention [Member] | Commercial and Industrial [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 24,841  
Special Mention [Member] | Commercial and Industrial [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 17,201  
Special Mention [Member] | Commercial and Industrial [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,705  
Special Mention [Member] | Construction And Land [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 59,197 20,100
Special Mention [Member] | Construction And Land [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 39,097  
Special Mention [Member] | Construction And Land [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 20,100  
Special Mention [Member] | Commercial Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 13,603  
Special Mention [Member] | Commercial Real Estate [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 13,603  
Special Mention [Member] | Home Equity Lines Of Credit [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   499
Special Mention [Member] | Other [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 100 3
Special Mention [Member] | Other [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 100  
Substandard [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 224,778 205,690
Substandard [Member] | Residential Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,993 3,488
Substandard [Member] | Residential Real Estate [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 387  
Substandard [Member] | Residential Real Estate [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,606  
Substandard [Member] | Commercial and Industrial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 150,515 80,848
Substandard [Member] | Commercial and Industrial [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 33,200  
Substandard [Member] | Commercial and Industrial [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 37,113  
Substandard [Member] | Commercial and Industrial [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 30,144  
Substandard [Member] | Commercial and Industrial [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 14,214  
Substandard [Member] | Commercial and Industrial [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 35,844  
Substandard [Member] | Construction And Land [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 45,434 45,434
Substandard [Member] | Construction And Land [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 45,434  
Substandard [Member] | Commercial Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 24,175 75,405
Substandard [Member] | Commercial Real Estate [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 24,175  
Substandard [Member] | Home Equity Lines Of Credit [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 661 515
Substandard [Member] | Home Equity Lines Of Credit [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 661  
Doubtful [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 120,898 121,153
Doubtful [Member] | Commercial and Industrial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 75,036 82,735
Doubtful [Member] | Commercial and Industrial [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,575  
Doubtful [Member] | Commercial and Industrial [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 2,150  
Doubtful [Member] | Commercial and Industrial [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 9,010  
Doubtful [Member] | Commercial and Industrial [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 14,735  
Doubtful [Member] | Commercial and Industrial [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 34,818  
Doubtful [Member] | Commercial and Industrial [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 12,748  
Doubtful [Member] | Construction And Land [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 45,862 $ 38,418
Doubtful [Member] | Construction And Land [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total $ 45,862