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Note 8 - Debt - Unamortized Debt Issuance Costs (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Debt issuance costs	$ 32,493	$ 25,146
Term Loan [Member]
Debt issuance costs	29,747	21,897
Other Noncurrent Assets [Member] | Revolving Credit Facility [Member]
Debt issuance costs	2,746	3,249
Long-term Debt [Member] | Term Loan [Member]
Debt issuance costs	$ 29,747	$ 21,897

X

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ 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 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1D
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399

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