Note 10 - Leases - Other Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Other Information
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	68
Operating cash flows from operating leases	2,276
Financing cash flows from finance leases	$ 9
Weighted-average remaining lease term (in years):
Finance leases (Year)	14 years
Operating leases (Year)	30 years
Weighted-average discount rate:
Finance leases	9.80%
Operating leases	6.90%