Note 1 - Condensed Consolidated Financial Statements - Business Overview and Significant Accounting Policies Significant Accounting Policies (Details) - USD ($) $ in Thousands		Sep. 30, 2019		Jan. 01, 2019	Dec. 31, 2018
Increase (Decrease) in Other Liabilities	[1]	$ 65,816
Operating Lease, Right-of-Use Asset	[3]	42,613	[2]		$ 0
Operating Lease, Liability, Not Yet Commenced		$ 0
ASU 2016-02
Increase (Decrease) in Other Liabilities				$ 73,500
Operating Lease, Right-of-Use Asset				49,400
Adjustment for Unamortized Allowances and Incentives				$ 24,100
Maximum
Lessee, Operating Lease, Term of Contract		12 months

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

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

[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 1 for additional information. Right-of-use assets are shown less accumulated amortization of $6.8 million at September 30, 2019.