| Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) - Class B Common Stock | Sep. 30, 2021  $ / shares | 
|---|---|
| Common stock, par value | $ 0.01 | 
| Neosho Capital, LLC | |
| Common stock, par value | 0.01 | 
| Cortina Asset Management, LLC | |
| Common stock, par value | $ 0.01 | 
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- Definition Face amount or stated value per share of common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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