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
Mar. 31, 2026
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total $ 21,963,460 $ 22,066,763
Residential Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 9,363,547 9,254,939
Residential Real Estate [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 471,024  
Residential Real Estate [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,682,924  
Residential Real Estate [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 903,702  
Residential Real Estate [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 812,882  
Residential Real Estate [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 2,228,209  
Residential Real Estate [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,264,806  
Commercial and Industrial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 4,170,090 4,135,091
Commercial and Industrial [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 164,720  
Commercial and Industrial [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 744,924  
Commercial and Industrial [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 805,190  
Commercial and Industrial [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 295,474  
Commercial and Industrial [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 583,304  
Commercial and Industrial [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 634,243  
Commercial and Industrial [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 942,235  
Fund Banking [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,737,366 4,096,649
Fund Banking [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 122,500  
Fund Banking [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 17,391  
Fund Banking [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 12,975  
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 329  
Fund Banking [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,583,180  
Securities-Based Loans [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 2,749,987 2,672,431
Securities-Based Loans [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 200  
Securities-Based Loans [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 16,107  
Securities-Based Loans [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 5,952  
Securities-Based Loans [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 10,065  
Securities-Based Loans [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,113  
Securities-Based Loans [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 78,268  
Securities-Based Loans [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 2,638,282  
Commercial Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 440,993 423,474
Commercial Real Estate [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 18,354  
Commercial Real Estate [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 41,599  
Commercial Real Estate [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 18,140  
Commercial Real Estate [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 16,556  
Commercial Real Estate [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 229,877  
Commercial Real Estate [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 113,467  
Commercial Real Estate [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,000  
Construction And Land [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,229,903 1,214,450
Construction And Land [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 145,543  
Construction And Land [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 90,649  
Construction And Land [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 233,013  
Construction And Land [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 475,370  
Construction And Land [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 285,328  
Home Equity Lines Of Credit [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 233,334 225,196
Home Equity Lines Of Credit [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 233,334  
Other [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 38,240 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 14,249  
Pass [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 21,441,428 21,594,679
Pass [Member] | Residential Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 9,350,966 9,247,024
Pass [Member] | Residential Real Estate [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 471,024  
Pass [Member] | Residential Real Estate [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,681,271  
Pass [Member] | Residential Real Estate [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 903,580  
Pass [Member] | Residential Real Estate [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 812,096  
Pass [Member] | Residential Real Estate [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 2,220,965  
Pass [Member] | Residential Real Estate [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,262,030  
Pass [Member] | Commercial and Industrial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,879,305 3,851,296
Pass [Member] | Commercial and Industrial [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 164,720  
Pass [Member] | Commercial and Industrial [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 743,340  
Pass [Member] | Commercial and Industrial [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 745,165  
Pass [Member] | Commercial and Industrial [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 282,896  
Pass [Member] | Commercial and Industrial [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 489,283  
Pass [Member] | Commercial and Industrial [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 566,582  
Pass [Member] | Commercial and Industrial [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 887,319  
Pass [Member] | Fund Banking [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,737,366 4,096,649
Pass [Member] | Fund Banking [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 122,500  
Pass [Member] | Fund Banking [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 17,391  
Pass [Member] | Fund Banking [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 12,975  
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 329  
Pass [Member] | Fund Banking [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,583,180  
Pass [Member] | Securities-Based Loans [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 2,749,987 2,672,431
Pass [Member] | Securities-Based Loans [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 200  
Pass [Member] | Securities-Based Loans [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 16,107  
Pass [Member] | Securities-Based Loans [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 5,952  
Pass [Member] | Securities-Based Loans [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 10,065  
Pass [Member] | Securities-Based Loans [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,113  
Pass [Member] | Securities-Based Loans [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 78,268  
Pass [Member] | Securities-Based Loans [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 2,638,282  
Pass [Member] | Commercial Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 365,294 348,069
Pass [Member] | Commercial Real Estate [Member] | 2026 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 18,354  
Pass [Member] | Commercial Real Estate [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 41,599  
Pass [Member] | Commercial Real Estate [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 4,498  
Pass [Member] | Commercial Real Estate [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 16,556  
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 91,410  
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] | Construction And Land [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,087,585 1,110,498
Pass [Member] | Construction And Land [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 145,543  
Pass [Member] | Construction And Land [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 90,649  
Pass [Member] | Construction And Land [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 233,013  
Pass [Member] | Construction And Land [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 391,104  
Pass [Member] | Construction And Land [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 227,276  
Pass [Member] | Home Equity Lines Of Credit [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 232,701 224,182
Pass [Member] | Home Equity Lines Of Credit [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 232,701  
Pass [Member] | Other [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 38,224 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 14,233  
Special Mention [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 162,352 145,241
Special Mention [Member] | Residential Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 6,099 4,427
Special Mention [Member] | Residential Real Estate [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,653  
Special Mention [Member] | Residential Real Estate [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 786  
Special Mention [Member] | Residential Real Estate [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 2,982  
Special Mention [Member] | Residential Real Estate [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 678  
Special Mention [Member] | Commercial and Industrial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 83,152 120,212
Special Mention [Member] | Commercial and Industrial [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 26,540  
Special Mention [Member] | Commercial and Industrial [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 7,639  
Special Mention [Member] | Commercial and Industrial [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 5,095  
Special Mention [Member] | Commercial and Industrial [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 23,137  
Special Mention [Member] | Commercial and Industrial [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 20,741  
Special Mention [Member] | Commercial Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 13,642  
Special Mention [Member] | Commercial Real Estate [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 13,642  
Special Mention [Member] | Construction And Land [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 58,932 20,100
Special Mention [Member] | Construction And Land [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 38,832  
Special Mention [Member] | Construction And Land [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 20,100  
Special Mention [Member] | Home Equity Lines Of Credit [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 511 499
Special Mention [Member] | Home Equity Lines Of Credit [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 511  
Special Mention [Member] | Other [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 16 3
Special Mention [Member] | Other [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 16  
Substandard [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 260,291 205,690
Substandard [Member] | Residential Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 6,482 3,488
Substandard [Member] | Residential Real Estate [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 122  
Substandard [Member] | Residential Real Estate [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 4,262  
Substandard [Member] | Residential Real Estate [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 2,098  
Substandard [Member] | Commercial and Industrial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 146,196 80,848
Substandard [Member] | Commercial and Industrial [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 29,239  
Substandard [Member] | Commercial and Industrial [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 63,736  
Substandard [Member] | Commercial and Industrial [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 26,984  
Substandard [Member] | Commercial and Industrial [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 26,237  
Substandard [Member] | Commercial Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 62,057 75,405
Substandard [Member] | Commercial Real Estate [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 40,000  
Substandard [Member] | Commercial Real Estate [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 22,057  
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] | Home Equity Lines Of Credit [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 122 515
Substandard [Member] | Home Equity Lines Of Credit [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 122  
Doubtful [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 99,389 121,153
Doubtful [Member] | Commercial and Industrial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 61,437 82,735
Doubtful [Member] | Commercial and Industrial [Member] | 2025 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,584  
Doubtful [Member] | Commercial and Industrial [Member] | 2024 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 4,246  
Doubtful [Member] | Commercial and Industrial [Member] | 2023 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 4,939  
Doubtful [Member] | Commercial and Industrial [Member] | 2022 [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 25,190  
Doubtful [Member] | Commercial and Industrial [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 17,540  
Doubtful [Member] | Commercial and Industrial [Member] | Revolving Loans Amortized Cost Basis [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 7,938  
Doubtful [Member] | Construction And Land [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 37,952 $ 38,418
Doubtful [Member] | Construction And Land [Member] | Prior [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total $ 37,952