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Equity method investment - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Schedule of Equity Method Investments [Line Items] |  |  |
Technology, trade name and customer relationship intangibles | $ 20,007 |  | $ 21,423
Amortization of Intangible Assets | 1,417 | $ 1,584 |
Dividends received from equity method investment | 24,934 | 3,601 |
Proceeds from Sale, Loan and Lease, Held-for-Investment | 9,131 | 0 |
Financing Receivable, before Allowance for Credit Loss | 36,136,746 |  | 35,485,776
Bankers Healthcare Group, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Technology, trade name and customer relationship intangibles | 5,700 |  | 5,700
Amortization of Intangible Assets | 40 | 59 |
Accretion income | 29 | 39 |
Dividends received from equity method investment | 24,900 | 3,600 |
Payments to Acquire Loans Held-for-investment | 0 | 0 |
Proceeds from Sale, Loan and Lease, Held-for-Investment | 0 | $ 0 |
Financing Receivable, before Allowance for Credit Loss | $ 147,400 |  | $ 161,700

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