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Long-Term Debt and Revolving Line of Credit - Other Information (Details) - USD ($) $ in Thousands |  |  | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 03, 2018 | Jan. 25, 2018 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021 | Jun. 17, 2021 | Aug. 14, 2017
Debt Instrument |  |  |  |  |  |  |
Accrued interest payable |  |  | $ 51 |  | $ 96 |  |
Variable Interest Term Loan |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  | $ 250,000
Additional borrowings | $ 40,000 | $ 25,000 |  |  |  |  |
Interest incurred |  |  | 5,978 | $ 5,671 |  |  |
Accrued interest payable |  |  | 43 |  | 30 |  |
Revolving Line of Credit |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Maximum borrowing capacity of revolving line of credit |  |  |  |  |  | $ 100,000 | 20,000
Available borrowings |  |  | 100,000 |  | 100,000 | $ 80,000 |
Interest incurred |  |  | 128 | $ 33 |  |  |
Accrued interest payable |  |  | 1 |  | 66 |  |
Prepayment on the loan |  |  | 755 |  |  |  |
Standby letter of credit |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Available borrowings |  |  |  |  |  |  | $ 10,000
letters of credit outstanding |  |  | $ 120 |  | $ 239 |  |
Term Loan |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Effective interest rate (as a percent) |  |  | 3.98% | 3.73% |  |  |

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