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Shareholders' Equity / Partners' Capital - Participating Preferred Shares (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019
Class of Stock [Line Items] |  |
Preferred shares, shares outstanding (in shares) | 35,350,000 | 35,350,000
Liquidation Value | $ 883,750 | $ 883,750
Series D Perpetual Preferred Shares/Units |  |
Class of Stock [Line Items] |  |
Preferred stock, dividend rate (in percent) | 6.50% |
Preferred shares, shares outstanding (in shares) | 10,750,000 | 10,750,000
Liquidation Value | $ 268,750 | $ 268,750
Series E Perpetual Preferred Shares |  |
Class of Stock [Line Items] |  |
Preferred stock, dividend rate (in percent) | 6.35% |
Preferred shares, shares outstanding (in shares) | 9,200,000 | 9,200,000
Liquidation Value | $ 230,000 | $ 230,000
Series F Perpetual Preferred Shares |  |
Class of Stock [Line Items] |  |
Preferred stock, dividend rate (in percent) | 5.875% |
Preferred shares, shares outstanding (in shares) | 6,200,000 | 6,200,000
Liquidation Value | $ 155,000 | $ 155,000
Series G Perpetual Preferred Shares |  |
Class of Stock [Line Items] |  |
Preferred stock, dividend rate (in percent) | 5.875% |
Preferred shares, shares outstanding (in shares) | 4,600,000 | 4,600,000
Liquidation Value | $ 115,000 | $ 115,000
Series H Perpetual Preferred Shares |  |
Class of Stock [Line Items] |  |
Preferred stock, dividend rate (in percent) | 6.25% |
Preferred shares, shares outstanding (in shares) | 4,600,000 | 4,600,000
Liquidation Value | $ 115,000 | $ 115,000

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- Definition Value of the difference between preference in liquidation and the par or stated values of the preferred shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(d)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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