Note 5 - Debt and Capital Lease Obligations - Long-term Debt (Details) (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Five-Year Term Loans [Member]
Original issue discount and deferred financing costs		$ 34,336
Debt Instrument, Term	5 years	5 years
Seven-Year Term Loans [Member]
Original issue discount and deferred financing costs		$ 52,032
Debt Instrument, Term	7 years	7 years

Amount of unamortized debt discount (premium) and debt issuance costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant