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Note 1 - Condensed Consolidated Financial Statements - Business Overview, Recent Developments and Significant Accounting Policies Significant Accounting Policies (Details) - USD ($) $ in Thousands | Jan. 01, 2019 | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Operating Lease, Liability, Not Yet Commenced |  |  | $ 0 |  |
Operating Lease, Right-of-Use Asset | [2] |  | $ 47,150 | [1] | $ 0
ASU 2016-02 |  |  |  |  |
Increase (Decrease) in Other Liabilities |  | $ 73,500 |  |  |
Increase (Decrease) in Other Assets |  | 73,500 |  |  |
Adjustment for Unamortized Allowances and Incentives |  | 24,100 |  |  |
Operating Lease, Right-of-Use Asset | [2] | $ 49,400 |  |  |
[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.

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