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v3.21.2

Long-Term Debt and Revolving Line of Credit - Other Information (Details) - USD ($) |  |  |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 28, 2020 | Jul. 15, 2020 | Apr. 03, 2018 | Jan. 25, 2018 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020 | Jun. 17, 2021 | Aug. 14, 2017
Debt Instrument |  |  |  |  |  |  |  |  |  |  |
Outstanding Loan |  |  |  |  | $ 295,203,000 |  | $ 295,203,000 |  | $ 298,780,000 |  |
Amount borrowed |  |  |  |  |  |  |  | $ 19,880,000 |  |  |
Variable Interest Term Loan |  |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  | $ 250,000,000
Additional borrowings |  |  | $ 40,000,000 | $ 25,000,000 |  |  |  |  |  |  |
Interest paid on loan |  |  |  |  | 2,773,000 | $ 2,974,000 | 8,444,000 | 11,047,000 |  |  |
Accrued interest payable |  |  |  |  | 30,000 |  | 30,000 |  | 32,000 |  |
Revolving Line of Credit |  |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity of revolving line of credit |  |  |  |  |  |  |  |  |  | $ 100,000,000 | 20,000,000
Available borrowings |  |  |  |  | $ 100,000,000 |  | $ 100,000,000 |  | $ 20,000,000 | $ 80,000,000 |
Effective interest rate (as a percent) |  |  |  |  | 3.68% |  | 3.68% |  | 4.48% |  |
Interest paid on loan |  |  |  |  |  |  | $ 93,000 | 457,000 |  |  |
Accrued interest payable |  |  |  |  | $ 1,000 |  | 1,000 |  | $ 0 |  |
Prepayment on the loan |  |  |  |  | $ 755,000 |  |  |  | 1,527,000 |  |
Standby letter of credit |  |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |  |
Available borrowings |  |  |  |  |  |  |  |  |  |  | 10,000,000
letters of credit outstanding |  |  |  |  |  |  |  |  | $ 120,000 |  |
Fixed Rate Term Loan |  |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  | $ 100,000,000
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  | 8.25%
Interest paid on loan |  |  |  |  |  |  | $ 0 | $ 8,388,000 |  |  |
Accrued interest payable | $ 3,000,000 |  |  |  |  |  |  |  |  |  |
Prepayment on the loan | $ 80,000,000 | $ 20,000,000 |  |  |  |  |  |  |  |  |
Outstanding Loan |  | $ 80,000,000 |  |  |  |  |  |  |  |  |

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