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=120391452&loc=d3e13212-122682

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+ 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

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Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 16, 2020	Dec. 31, 2019	Nov. 06, 2018
Debt Instrument
Long-term debt	$ 680,385		$ 589,294
Senior Notes \| 6.125% Senior Notes
Debt Instrument
Long-term debt	$ 542,772		540,377
Stated interest rate (in percentage)	6.125%	6.125%		6.125%
Line of Credit \| Revolving Credit Facility
Debt Instrument
Long-term debt	$ 137,613		$ 48,917
Stated interest rate (in percentage)	1.90%		3.76%