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Line of Credit (Details) - 2021 Credit Facility | Apr. 23, 2021 USD ($) fiscalQuarter | Sep. 30, 2021 USD ($)
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Line of Credit Facility [Line Items] |  |
Debt interest rate accrual term, number of preceding fiscal quarters | fiscalQuarter | 4 |
Letters of credit outstanding amount |  | $ 5,808,000
Line of Credit |  |
Line of Credit Facility [Line Items] |  |
Credit facility term of agreement | 5 years |
Credit facility maximum borrowing capacity | $ 325,000,000 |
Credit facility stated percentage | 0.00% |
Credit facility accordion feature, increase limit | $ 100,000,000 |
Credit facility remaining borrowing capacity |  | $ 319,192,000
Line of Credit | London Interbank Offered Rate (LIBOR) |  |
Line of Credit Facility [Line Items] |  |
Credit facility variable interest rate basis spread | 1.00% |
Line of Credit | Federal Funds Rate |  |
Line of Credit Facility [Line Items] |  |
Credit facility variable interest rate basis spread | 0.50% |
Line of Credit | Minimum |  |
Line of Credit Facility [Line Items] |  |
Credit facility commitment fee per annum on daily unused portion | 0.15% |
Line of Credit | Minimum | Lender's Base Rate Plus Market Spread |  |
Line of Credit Facility [Line Items] |  |
Credit facility variable interest rate basis spread | 0.25% |
Line of Credit | Minimum | London Interbank Offered Rate (LIBOR) |  |
Line of Credit Facility [Line Items] |  |
Credit facility variable interest rate basis spread | 1.25% |
Line of Credit | Maximum |  |
Line of Credit Facility [Line Items] |  |
Credit facility commitment fee per annum on daily unused portion | 0.30% |
Line of Credit | Maximum | Lender's Base Rate Plus Market Spread |  |
Line of Credit Facility [Line Items] |  |
Credit facility variable interest rate basis spread | 1.00% |
Line of Credit | Maximum | London Interbank Offered Rate (LIBOR) |  |
Line of Credit Facility [Line Items] |  |
Credit facility variable interest rate basis spread | 2.00% |
Letter of Credit |  |
Line of Credit Facility [Line Items] |  |
Credit facility maximum borrowing capacity | $ 15,000,000 |
Credit facility, commitment fee percentage | 1.25% |
Credit facility, fronting fee percentage | 0.20% |

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