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v3.23.1

Long-Term Debt (Narrative) (Details) |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 08, 2022 debtCovenant | Jan. 24, 2019 USD ($) | Mar. 31, 2022 | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
2022 Senior Credit Agreement | Applicable rate through March 31, 2023 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Annual commitment fee (as a percentage) | 0.20% |  |  |  |
2022 Senior Credit Agreement | Applicable rate through March 31, 2023 | Base Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Initial applicable margin | 0.125% |  |  |  |
2022 Senior Credit Agreement | Applicable rate through March 31, 2023 | Secured Overnight Financing Rate (SOFR) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Initial applicable margin | 1.125% |  |  |  |
2022 Senior Credit Agreement | Applicable rate after April 1, 2023 | Base Rate | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Initial applicable margin | 0.125% |  |  |  |
2022 Senior Credit Agreement | Applicable rate after April 1, 2023 | Base Rate | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Initial applicable margin | 1.00% |  |  |  |
2022 Senior Credit Agreement | Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Number of debt covenants | debtCovenant | 2 |  |  |  |
Revolving credit facility | Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Current borrowing capacity |  | $ 400,000,000 |  |  |
Letters of credit issued |  | $ 700,000,000 |  |  |
Revolving credit facility | Line of Credit | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Annual commitment fee |  | 0.20% | 0.15% |  |
Revolving credit facility | Line of Credit | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Annual commitment fee |  | 0.25% | 0.25% |  |
Revolving credit facility | Line of Credit | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
LIBOR floor, plus |  | 1.125% | 1.125% |  |
Revolving credit facility | Line of Credit | London Interbank Offered Rate (LIBOR) | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
LIBOR floor, plus |  | 2.00% | 2.00% |  |
Revolving credit facility | Medium-term Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Term loan (up to) |  | $ 300,000,000 |  |  |
Senior Credit Agreement | Standby Letters of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Letters of credit issued |  |  |  | $ 4,300,000 |
Senior Credit Agreement | Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Revolving credit facility, availability amount |  |  |  | $ 343,700,000 | $ 304,500,000

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