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Loans and Allowance for Credit Losses - Summary of Gross Commercial Real Estate Loans By Property Type (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Gross loans | $ 5,655,759 | $ 5,633,562
Real Estate Loan |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Gross loans | 3,894,661 | 3,886,972
Commercial | Real Estate Loan |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Gross loans | 2,465,488 | $ 2,416,294
Commercial | Real Estate Loan | Owner Occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Gross loans | 793,289 |
Commercial | Real Estate Loan | Shopping Centers and Malls | Non Owner Occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Gross loans | 248,182 |
Commercial | Real Estate Loan | Industrial and Warehouse | Non Owner Occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Gross loans | 225,889 |
Commercial | Real Estate Loan | Hotels and Motels | Non Owner Occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Gross loans | 212,145 |
Commercial | Real Estate Loan | Skilled Nursing Facility | Non Owner Occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Gross loans | 163,030 |
Commercial | Real Estate Loan | Office | Non Owner Occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Gross loans | 149,736 |
Commercial | Real Estate Loan | Retail | Non Owner Occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Gross loans | 116,988 |
Commercial | Real Estate Loan | Assisted Living Facility | Non Owner Occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Gross loans | 115,860 |
Commercial | Real Estate Loan | Medical Office | Non Owner Occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Gross loans | 96,539 |
Commercial | Real Estate Loan | Other Property Types | Non Owner Occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Gross loans | $ 343,830 |

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