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Long-Term Debt (Tables)
 12 Months Ended
Dec. 31, 2020
Debt Disclosure [Abstract]  
Schedule of Maturities of Long-term Debt
As of December 31, 2020, annual maturities of the outstanding long-term debt for each of the five years after December 31, 2020 are as follows (in thousands):
2021$— 
2022— 
2023— 
2024123,000 
2025— 
Thereafter500,000 
$623,000 
Schedule of Long-term Debt Instruments
The following table details the Company’s long-term debt at the respective principal amounts, net of unamortized debt issuance costs on the senior unsecured notes (in thousands):
As of December 31,
20202019
Revolving unsecured credit facility, maturing 2024 (1)
$123,000 $335,000 
5.375% senior unsecured notes due 2024 (2)
— 296,568 
4.625% senior notes due 2028 (3)
492,916 — 
Total long-term debt$615,916 $631,568 

(1)Debt issuance costs related to the Company’s revolving unsecured credit facilities are included in other assets in the accompanying consolidated balance sheets.

(2)As of December 31, 2019, deferred debt issuance costs of $3.4 million are included as a direct deduction from the carrying amount of the senior unsecured notes in the accompanying consolidated balance sheets.

(3)As of December 31, 2020, deferred debt issuance costs of $7.1 million are included as a direct deduction from the carrying amount of the senior unsecured notes in the accompanying consolidated balance sheets.