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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
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Earnings Per Share - Antidilutive Securities Excluded from Computation of EPS Table (Details) shares in Thousands		12 Months Ended
	Apr. 14, 2020	Dec. 31, 2019 shares	Dec. 31, 2018 shares	Dec. 31, 2017 shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock split, conversion ratio	0.005
Convertible preferred stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)		5,000	0	4,000
Convertible debt securities
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)		621,000	729,000	729,000
Restricted stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)		2,000	6,000	4,000
Preferred stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)		290	298,000	298,000