Stockholders’ Equity - Treasury Stock (Details) - shares	3 Months Ended
Mar. 31, 2020	Dec. 31, 2019	Nov. 08, 2017
Stockholders’ Equity
Treasury stock, shares authorized			5,000,000
Treasury shares	7,357,881	2,787,147
Shares returned in connection with the Appraisal Action as result of repayment of Margin Loan (in shares)	4,570,734
Share Repurchased (in shares)	2,787,147

No definition available.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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- Definition

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

+ References

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

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