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Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020 | Jun. 16, 2020 | Nov. 06, 2018
--- | --- | --- | --- | ---
Debt Instrument |  |  |  |
Long-term debt | $ 681,270 | $ 680,385 |  |
Senior Notes | 6.125% Senior Notes |  |  |  |
Debt Instrument |  |  |  |
Long-term debt | $ 543,382 | 542,772 |  |
Stated interest rate (in percentage) | 6.125% |  | 6.125% | 6.125%
Line of Credit | Revolving Credit Facility |  |  |  |
Debt Instrument |  |  |  |
Long-term debt | $ 137,888 | $ 137,613 |  |
Stated interest rate (in percentage) | 1.86% | 2.53% |  |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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