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Earnings Per Share - Antidilutive Securities Excluded from Computation of EPS Table (Details) shares in Thousands |  | 12 Months Ended
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Apr. 14, 2020 | Dec. 31, 2020 shares | Dec. 31, 2019 shares | Dec. 31, 2018 shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Stock split, conversion ratio | 0.005 |  |  |
Common stock equivalent of our preferred stock outstanding prior to exchange |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Antidilutive securities (in shares) |  | 0 | 5 | 0
Common stock equivalent of our convertible senior notes outstanding |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Antidilutive securities (in shares) |  | 621 | 621 | 729
Participating securities |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Antidilutive securities (in shares) |  | 0 | 2 | 6
Common stock equivalent of our preferred stock outstanding |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Antidilutive securities (in shares) |  | 290 | 290 | 298

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- 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 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 + Details
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- Definition 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. + References No definition available. + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187143-122770 + Details
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