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EQUITY - Issuance and Redemption of Preferred Shares (Details) | 3 Months Ended
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Oct. 31, 2017 shares
Series C Preferred Stock [Member] |
Issuance of Series C Preferred Shares and Redemption of Series B Preferred Shares |
Preferred shares issued (in shares) | 4,118,460
Distribution rate percentage (in hundredths) | 6.625%
Series B Preferred Stock [Member] |
Issuance of Series C Preferred Shares and Redemption of Series B Preferred Shares |
Stock Redeemed or Called During Period, Shares | 4,600,000
Distribution rate percentage (in hundredths) | 7.95%

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- Definition Number of new preferred stock issued during the period. + References No definition available. + 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 The percentage rate used to calculate dividend payments on preferred stock. + References No definition available. + Details
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- Definition Number of stock bought back by the entity at the exercise price or redemption price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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- Details
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