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Note 7 - Other Assets (Tables) | 6 Months Ended
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Jun. 30, 2021
Notes Tables |
Schedule of Other Assets, Noncurrent [Table Text Block] |
|  | June 30, |  |  | December 31, |
|  | 2021 |  |  | 2020 |
Cash surrender value of life insurance policies (1) |  | $ | 27,261 |  |  | $ | 26,167 |
Deposits |  |  | 1,830 |  |  |  | 2,182 |
Other |  |  | 1,990 |  |  |  | 2,510 |
Total other assets |  | $ | 31,081 |  |  | $ | 30,859 |

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