Note 12 - Other Liabilities Lease Liability (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2019		Mar. 31, 2018	Dec. 31, 2018
Operating Lease, Cost		$ 2,319
Short-term Lease, Cost		23
Lease, Cost		2,342
Operating Lease, Payments		(2,637)
Operating Lease, Right-of-Use Asset	[2]	47,150	[1]		$ 0
Operating Lease, Liability		$ 70,927	[3]		0
Operating Lease, Weighted Average Remaining Lease Term		10 years 4 months 24 days
Operating Lease, Weighted Average Discount Rate, Percent		6.75%
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year		$ 7,873
Lessee, Operating Lease, Liability, Payments, Due Year Two		10,428
Lessee, Operating Lease, Liability, Payments, Due Year Three		9,964
Lessee, Operating Lease, Liability, Payments, Due Year Four		10,136
Lessee, Operating Lease, Liability, Payments, Due Year Five		10,275
Lessee, Operating Lease, Liability, Payments, Due after Year Five		56,542
Lessee, Operating Lease, Liability, Payments, Due		105,218
Lessee, Operating Lease, Imputed Interest		$ (34,291)
Operating Leases, Rent Expense				$ 1,200
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
Minimum
Lessee, Operating Lease, Discount Rate		4.22%
Maximum
Lessee, Operating Lease, Discount Rate		7.08%

[1] Classified in other assets in our condensed consolidated balance sheets. See Note 8.

[2] 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 1 for additional information. Right-of-use assets are shown less accumulated amortization of $2.3 million at March 31, 2019.

[3] Classified in other liabilities in our condensed consolidated balance sheets.