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Long-Term Debt (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Bank credit facility: |  |  |
Total carrying value of debt | $ 589,583 | $ 233,750 | $ 258,750
Revolving Credit Facility | Line of Credit |  |  |
Bank credit facility: |  |  |
Total carrying value of debt |  | $ 233,750 | $ 258,750

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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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