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Loans and Allowance for Credit Losses on Loans - Summary of Loans By Classification (Details) $ in Thousands | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Loans and Allowance for Credit Losses on Loans |  |  |  |
Loans | $ 10,766,225 | $ 10,199,553 |  |
ACL-Loans | 75,712 | 71,752 | $ 51,838 | $ 44,014
Loans receivable | 10,690,513 | 10,127,801 |  |
Accrued interest on loans, excluded from amortized cost of loans | 60,200 | 60,400 |  |
Mortgage warehouse lines of credit |  |  |  |
Loans and Allowance for Credit Losses on Loans |  |  |  |
Loans | 1,142,994 | 752,468 |  |
ACL-Loans | 3,022 | 2,070 | 1,664 | 1,249
Residential real estate |  |  |  |
Loans and Allowance for Credit Losses on Loans |  |  |  |
Loans | 1,321,300 | 1,324,305 |  |
ACL-Loans | 6,905 | 7,323 | 7,378 | 7,029
Residential real estate | Home equity line of credit |  |  |  |
Loans and Allowance for Credit Losses on Loans |  |  |  |
Loans | 1,200,000 | 1,200,000 |  |
Healthcare financing |  |  |  |
Loans and Allowance for Credit Losses on Loans |  |  |  |
Loans | 2,464,685 | 2,356,689 |  |
ACL-Loans | 24,587 | 22,454 | 11,753 | 9,882
Multi-family financing |  |  |  |
Loans and Allowance for Credit Losses on Loans |  |  |  |
Loans | 4,096,606 | 4,006,160 |  |
ACL-Loans | 28,664 | 26,874 | 19,851 | 16,781
Commercial and commercial real estate |  |  |  |
Loans and Allowance for Credit Losses on Loans |  |  |  |
Loans | 1,666,751 | 1,643,081 |  |
ACL-Loans | 11,990 | 12,243 | 10,482 | 8,326
Revolving lines of credit collateralized primarily by mortgage servicing rights | 1,100,000 | 1,100,000 |  |
Commercial and commercial real estate | Non-owner occupied commercial real estate |  |  |  |
Loans and Allowance for Credit Losses on Loans |  |  |  |
Loans | $ 6,800 | 8,400 |  |
Commercial and commercial real estate | Non-owner occupied commercial real estate | Minimum |  |  |  |
Loans and Allowance for Credit Losses on Loans |  |  |  |
Percentage of loans to be forgiven | 1 |  |  |
Agricultural production and real estate |  |  |  |
Loans and Allowance for Credit Losses on Loans |  |  |  |
Loans | $ 65,977 | 103,150 |  |
ACL-Loans | 450 | 619 | 543 | 565
Consumer and margin loans |  |  |  |
Loans and Allowance for Credit Losses on Loans |  |  |  |
Loans | 7,912 | 13,700 |  |
ACL-Loans | $ 94 | $ 169 | $ 167 | $ 182

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