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Note O - Restructuring Activities (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Restructuring Charges, Total |  | $ 9,374 | $ 11,799
Restructuring and Related Cost, Expected Cost, Total |  | 24,800 |
Forecast [Member] |  |  |
Restructuring Charges, Total | $ 3,600 |  |
Lease Impairment and Termination Charges [Member] |  |  |
Restructuring Charges, Total |  | 2,974 | 956
Employee Severance [Member] |  |  |
Restructuring Charges, Total |  | 2,495 | 2,098
Capital Losses from Asset Disposal [Member] |  |  |
Restructuring Charges, Total |  | 1,327 | 350
Facility Closing [Member] |  |  |
Restructuring Charges, Total |  | 2,884 | 1,258
Adjustment to Contract Termination Fee [Member] |  |  |
Restructuring Charges, Total |  | (306) |
Impairment Charge on Long-term Customer Databases [Member] |  |  |
Restructuring Charges, Total |  |  | 4,000
Contract Termination [Member] |  |  |
Restructuring Charges, Total |  |  | $ 3,101

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