Note 7 - Debt - Unamortized Debt Issuance Costs (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Debt issuance costs	$ 18,357	$ 20,569
Term Loan [Member]
Debt issuance costs	16,208	18,142
Other Noncurrent Assets [Member] \| Revolving Credit Facility [Member]
Debt issuance costs	2,149	2,427
Long-term Debt [Member] \| Term Loan [Member]
Debt issuance costs	$ 16,208	$ 18,142

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

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://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=119993939&loc=d3e28555-108399

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Period Type:	instant