Note 10 - Leases - Other Information (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	$ 136
Operating cash flows from operating leases	3,914
Financing cash flows from finance leases	18
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 243
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%