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Capital Stock (Details) $ / shares in Units, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 Vote / shares $ / shares shares | Dec. 31, 2020 shares | Jul. 31, 2019 USD ($) | Feb. 01, 2019 shares
Class of Stock [Line Items] |  |  |  |
Common Stock, Shares Authorized | 75,000,000 | 75,000,000 |  |
Number of votes per share | Vote / shares | 1 |  |  |
Dividends declared (in dollars per share) | $ / shares | $ 0 |  |  |
Preferred Stock, Shares Authorized | 4,998,000 | 4,998,000 |  |
Common Stock, Capital Shares Reserved for Future Issuance | 3,726,154 |  |  |
Treasury Stock, Shares, Acquired | 1,500,000 | 1,500,000 |  |
Treasury Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Stock Repurchase Program, Authorized Amount | $ |  |  | $ 2.0 |
Stockholders Rights Agreement [Member] | Preferred Stock [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Number of rights/shares |  |  |  | 1

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- Definition Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares. + References No definition available. + Details
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