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v3.22.4

Borrowings - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Debt Instrument [Line Items] |  |  |
Outstanding Balance | $ 200,000 | $ 200,000 |
Interest Expense, Debt | 9,300 | 10,300 | $ 10,300
Revolving credit agreement |  |  |
Debt Instrument [Line Items] |  |  |
Outstanding Balance | $ 0 | 0 |
Commitment fee percentage | 0.15% |  |
Debt Issuance Costs, Gross | $ 1,100 |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 100,000 |  |
Revolving credit agreement | Minimum |  |  |
Debt Instrument [Line Items] |  |  |
Commitment fee percentage | 0.15% |  |
Revolving credit agreement | Maximum |  |  |
Debt Instrument [Line Items] |  |  |
Commitment fee percentage | 0.45% |  |
Revolving credit agreement | Federal funds effective rate |  |  |
Debt Instrument [Line Items] |  |  |
Spread on variable rate | 0.50% |  |
Revolving credit agreement | Margin based on leverage ratio | Minimum |  |  |
Debt Instrument [Line Items] |  |  |
Spread on variable rate | 0.25% |  |
Revolving credit agreement | Margin based on leverage ratio | Maximum |  |  |
Debt Instrument [Line Items] |  |  |
Spread on variable rate | 1.25% |  |
Revolving credit agreement | adjusted Term SOFR plus applicable margin | Minimum |  |  |
Debt Instrument [Line Items] |  |  |
Spread on variable rate | 1.25% |  |
Revolving credit agreement | adjusted Term SOFR plus applicable margin | Maximum |  |  |
Debt Instrument [Line Items] |  |  |
Spread on variable rate | 2.25% |  |
Revolving credit agreement | adjusted Term SOFR for a one-month interest period |  |  |
Debt Instrument [Line Items] |  |  |
Spread on variable rate | 1.00% |  |
Level 2 | Recurring |  |  |
Debt Instrument [Line Items] |  |  |
Borrowings | $ 179,000 |  |
Series D | Senior notes |  |  |
Debt Instrument [Line Items] |  |  |
Interest Rate Per Annum | 4.29% |  |
Outstanding Balance | $ 60,000 | 60,000 |
Series F Senior Notes | Senior notes |  |  |
Debt Instrument [Line Items] |  |  |
Interest Rate Per Annum | 3.10% |  |
Outstanding Balance | $ 90,000 | $ 0 |
Debt Issuance Costs, Gross | $ 600 |  |

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