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Income (Loss) Per Common Share (Details Textual) - shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Contingent Restricted Stock Units (RSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (shares)	642,837	135,386	1,012,637
Series 4 Convertible Preferred Stock | Convertible Preference Shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (shares)	5,341,846,000	5,450,426,000	1,442,518,000
Shares outstanding (shares)	145,000,000	145,000,000	95,000,000	95,000,000
Convertible preferred stock, common shares issuable upon conversion (shares)	28,853,621	26,656,285	10,970,714

X

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of shares issued for each share of convertible preferred stock that is converted.

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Number of shares issued which are neither cancelled nor held in the treasury.

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