Contractual interest rate for funds borrowed, under the debt agreement.

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=6877327&loc=d3e13212-122682

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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=6877327&loc=d3e13212-122682

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Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 16, 2020	Dec. 31, 2019	Sep. 30, 2019	Nov. 06, 2018
Debt Instrument
Long-term debt	$ 879,504		$ 589,294
Senior Notes \| 6.125% Senior Notes
Debt Instrument
Long-term debt	$ 542,166		540,377
Stated interest rate (in percentage)	6.125%	6.125%			6.125%
Line of Credit \| Revolving Credit Facility
Debt Instrument
Long-term debt	$ 337,338		$ 48,917
Stated interest rate (in percentage)	1.91%			4.41%