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Long-Term Debt (Tables) | 12 Months Ended
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Dec. 31, 2021
Long-Term Debt [Abstract] |
Debt Facilities | The following table summarizes the Company’s debt facilities as of December 31, 2021 and 2020:
Facility or Arrangement |  | Original Principal Amount |  | Balance as of December 31, 2021 (1)(2) |  | Balance as of December 31, 2020 (1)(2) |  | Interest Rate |  | Repayment Terms
Credit Agreement term loan facility |  | $400.0 million |  | $307.5 million |  | $337.5 million |  | Variable 30 day: 1.85% |  | 35% of the principal amount is payable in increasing quarterly installments over a five-year period that began on June 30, 2018, with the remainder payable at the end of the five-year term.
Credit Agreement revolving credit facility |  |  |  | $70.0 million |  | — |  | Variable 30 day: 1.85% |  | Revolving line of credit expires April 18, 2023.
(1) | As of December 31, 2021 and 2020, the current portion of the Company’s debt (i.e. becoming due in the next 12 months) included $37.5 million and $30.0 million, respectively, of the balance of its term loan under the Credit Agreement.
(2) | The carrying value of the debt reflects the amounts stated in the above table, less debt issuance costs of $1.2 million and $2.1 million as of December 31, 2021 and 2020, respectively, related to the Credit Agreement, which are not reflected in this table.
Maturities of Long-Term Debt | Maturities of all long-term debt at December 31, 2021, are as follows (U.S. dollars in thousands):
Year Ending December 31, |  |  |
2022 |  | $ | 37,500 |
2023 |  |  | 270,000 |
2024 |  |  | — |
2025 |  |  | — |
2026 |  |  | — |
Thereafter |  |  | — |
Total (1) |  | $ | 307,500 |
(1) | The carrying value of the debt reflects the amounts stated in the above table less debt issuance costs of $1.2 million, which is not reflected in this table.

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