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Note D - Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Right-of-use Assets, operating leases | $ 23,793 |  | $ 17,679
Right-of-use Assets, finance leases | 957 |  | 1,138
Right-of-use Assets, total | 24,750 |  | 18,817
Short-term lease liabilities, total | 6,663 |  | 7,616
Long-term lease liabilities, total | 21,295 |  | 13,078
Total Lease Liabilities, finance leases | 630 |  |
Short-term Lease Liabilities [Member] |  |  |
Short-term lease liabilities, operating leases | 6,436 |  | 7,226
Short-term lease liabilities, finance leases | 227 |  | 390
Short-term lease liabilities, total | 6,663 |  | 7,616
Long-term Lease Liabilities [Member] |  |  |
Long-term lease liabilities, operating leases | 20,892 |  | 12,514
Long-term lease liabilities, finance leases | 403 |  | 564
Long-term lease liabilities, total | 21,295 |  | 13,078
Short-term Lease Liabilities and Long-term Lease Liabilities [Member] |  |  |
Total Lease Liabilities, operating leases | 27,328 | [1] | 19,740
Total Lease Liabilities, finance leases | 630 |  | 954
Total Lease Liabilities, total | $ 27,958 |  | $ 20,694
[1] | Non-cancelable sublease proceeds for the fiscal year ending December 31, 2021, 2022, and 2023 of $647k, $540k, and $154k,respectively, are not included in the table above.

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