Note 10 - Leases - Supplement Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands		Dec. 31, 2019		Dec. 31, 2018
Finance lease ROU assets, gross		$ 29,142
Accumulated depreciation - finance lease ROU assets		(3,079)
Finance lease ROU assets, net (4)	[1]	26,063
Finance lease liabilities - current (5)		1,830	[2]	$ 902
Finance lease liabilities - noncurrent (6)	[3]	24,132
Total finance lease liabilities		25,962		$ 20,171
Operating Lease and Other Assets [Member]
Operating lease ROU assets (1)	[4]	35,950
Other Accrued Liabilities [Member]
Operating lease liabilities - current (2)	[5]	7,231
Operating Lease and Other Long-term Liabilities [Member]
Operating lease liabilities - noncurrent (3)	[6]	29,778
Other Accrued Liabilities and Operating Lease and Other Long-term Liabilities [Member]
Total operating lease liabilities		$ 37,009

[1] Recorded in the property and equipment, net line

[2] Recorded in the current portion of long-term borrowings and finance lease obligations line

[3] Recorded in the long-term borrowings and finance lease obligations line

[4] Recorded in the operating lease and other assets line

[5] Recorded in the other accrued liabilities line

[6] Recorded in the operating lease and other long-term liabilities line