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Note 1 - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Property, Plant and Equipment, Useful Life [Table Text Block] |
Buildings |  | 20 to 40 years
Improvements |  | 5 to 40 years
Machinery, equipment and fixtures |  | 3 to 10 years
Transportation equipment |  | 3 to 5 years
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  |  |  |  |  | December 31, 2020 |  |  | December 31, 2019 |
Item |  | Weighted Average Life (In years) |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |
Definite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships (7-15 year life) |  |  | 12.7 |  |  | $ | 41,530 |  |  | $ | (14,773 | ) |  | $ | 41,530 |  |  | $ | (11,246 | )
Non-compete agreements (3-7 year life) |  |  | 5.4 |  |  |  | 1,411 |  |  |  | (852 | ) |  |  | 1,411 |  |  |  | (589 | )
Total |  |  |  |  |  | $ | 42,941 |  |  | $ | (15,625 | ) |  | $ | 42,941 |  |  | $ | (11,835 | )
Indefinite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trade names |  |  |  |  |  | $ | 31,430 |  |  |  |  |  |  | $ | 31,430 |  |  |  |  |
Total intangible assets |  |  |  |  |  | $ | 74,371 |  |  | $ | (15,625 | ) |  | $ | 74,371 |  |  | $ | (11,835 | )
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
2021 |  | $ | 3,819 |
2022 |  |  | 3,755 |
2023 |  |  | 2,929 |
2024 |  |  | 2,265 |
2025 |  |  | 1,838 |
Thereafter |  |  | 12,710 |
Total |  | $ | 27,316 |

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