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Long-Term Debt (Tables)
 12 Months Ended
Dec. 31, 2021
Debt Disclosure [Abstract]  
Summary of Long-Term Debt
Following is a summary of the Company’s long-term debt:

(in thousands)Maturity
Date		Interest
Rate		Interest
Paid		Public /
Nonpublic		December 31,
2021		December 31,
2020
2016 Term Loan Facility(1)
6/7/2021VariableVariesNonpublic$— $217,500 
Senior notes2/27/20233.28%Semi-annuallyNonpublic125,000 125,000 
2021 Term Loan Facility(2)
7/9/2024VariableVariesNonpublic— — 
Senior bonds(3)
11/25/20253.80%Semi-annuallyPublic350,000 350,000 
2021 Revolving Credit Facility7/9/2026VariableVariesNonpublic— — 
Senior notes10/10/20263.93%QuarterlyNonpublic100,000 100,000 
Senior notes3/21/20303.96%QuarterlyNonpublic150,000 150,000 
Unamortized discount on senior bonds(3)
11/25/2025(34)(43)
Debt issuance costs(1,523)(1,992)
Total long-term debt$723,443 $940,465 

(1)As of December 31, 2020, the 2016 Term Loan Facility (as defined below) balance was classified as long term as the Company intended to refinance outstanding principal payments due in the next 12 months using the 2018 Revolving Credit Facility (as defined below), which was classified as long-term debt, and the Company was not restricted by any subjective acceleration clause within the agreement for the 2018 Revolving Credit Facility.
(2)The 2021 Term Loan Facility was fully repaid during the fourth quarter of 2021.
(3)The senior bonds due in 2025 were issued at 99.975% of par.
Principal Maturities of Debt Outstanding
The principal maturities of debt outstanding on December 31, 2021 were as follows:

(in thousands)Debt Maturities
2022$— 
2023125,000 
2024— 
2025350,000 
2026100,000 
Thereafter150,000 
Long-term debt$725,000