Note 14 - Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Operating Leases
Operating lease right-of-use assets	$ 72,079
Operating Lease Liablities-Current	22,000
Operating Lease Liablities-Non-Current	51,400
Total operating lease liabilities	73,400
Finance Leases
Property and equipment, at cost	11,364
Accumulated depreciation	(9,323)
Property and equipment, at net	2,041
Finance Lease Obligation-Current	1,074	$ 1,816
Finance Lease Obligation-Non Current	199
Total finance lease liabilities	$ 1,273
Weighted average remaining lease term
Operating leases (Year)	4 years 69 days
Finance leases (Year)	2 years 302 days
Weighted average discount rate
Operating leases	7.50%
Finance leases	6.01%