Note 13 - Commitments and Contingencies Lease Liability (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019		Dec. 31, 2018	Dec. 31, 2017
Operating Lease Right-of-Use Assets Held for Sale		$ 2,600
Operating Lease Liabilities Held for Sale		3,800
Operating Leases, Rent Expense				$ 9,700	$ 5,700
Operating Leases, Future Minimum Payments Due, Next Twelve Months				11,310
Operating Leases, Future Minimum Payments, Due in Two Years				10,847
Operating Leases, Future Minimum Payments, Due in Three Years				10,165
Operating Leases, Future Minimum Payments, Due in Four Years				10,100
Operating Leases, Future Minimum Payments, Due in Five Years				10,251
Operating Leases, Future Minimum Payments, Due Thereafter				56,317
Operating Leases, Future Minimum Payments Due				108,990
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals		0		0
Operating lease cost		9,332
Short-term lease cost		140
Total lease cost		9,472
Operating cash flows from operating leases		(10,615)
Operating Lease, Right-of-Use Asset	[3]	37,866	[1],[2]	$ 0
Operating Lease, Liability	[2],[4]	$ 59,452
Operating Lease, Weighted Average Remaining Lease Term		10 years 2 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent		6.80%
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months		$ 9,781
Lessee, Operating Lease, Liability, Payments, Due Year Two		9,299
Lessee, Operating Lease, Liability, Payments, Due Year Three		9,474
Lessee, Operating Lease, Liability, Payments, Due Year Four		9,594
Lessee, Operating Lease, Liability, Payments, Due Year Five		9,316
Lessee, Operating Lease, Liability, Payments, Due after Year Five		44,350
Lessee, Operating Lease, Liability, Payments, Due		91,814
Lessee, Operating Lease, Imputed Interest		$ (32,362)
Minimum
Lessee, Operating Lease, Discount Rate		4.22%
Maximum
Lessee, Operating Lease, Discount Rate		7.08%

[1] Classified in other assets in our consolidated balance sheets. See Note 9.

[2] Operating lease right-of-use assets and liabilities of $2.6 million and $3.8 million, respectively, are classified as held for sale and are excluded from the amounts in this disclosure.

[3] Represents right-of-use assets recognized as a result of our adoption, as of January 1, 2019, of the new accounting and disclosure requirements for leases of property, plant and equipment. See Note 2 for additional information. Right-of-use assets are shown less accumulated amortization of $8.5 million at December 31, 2019.

[4] Classified in other liabilities in our consolidated balance sheets.