Note 18 - Leases - Components of Lease Expense (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Operating lease cost	$ 30,752
Amortization of right-of-use assets	1,990
Interest on lease liabilities	89
Total Finance lease cost	2,079
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	30,518
Operating cash flow from finance leases	89
Financing cash flows from finance leases	2,359
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	73,692
Finance leases	$ 1,400