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v3.23.1

Borrowings - Senior and Subordinated Notes (Details) - Subordinated Debt - USD ($) $ in Millions | Jun. 02, 2022 | Jun. 01, 2020
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5.25% notes maturing June 1, 2030 |  |
Debt Instrument [Line Items] |  |
Issuance of debt |  | $ 125.0
Floating interest rate margin (as a percent) |  | 5.11%
Duration of fixed interest rate |  | 5 years
5.25% notes maturing June 1, 2030 | Base Rate |  |
Debt Instrument [Line Items] |  |
Interest rate |  | 5.25%
5.000% notes due 2032 |  |
Debt Instrument [Line Items] |  |
Issuance of debt | $ 100.0 |
Fixed to floating interest rate | 5.00% |
Percentage of principal amount of notes | 100.00% |
5.000% notes due 2032 | SOFR |  |
Debt Instrument [Line Items] |  |
Floating interest rate margin (as a percent) | 2.52% |

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