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CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (unaudited) - USD ($) shares in Thousands, $ in Thousands | Total | PREFERRED STOCK [Member] | COMMON SHARES [Member] | ACCUMULATED DISTRIBUTIONS IN EXCESS OF NET INCOME [Member] | ACCUMULATED OTHER COMPREHENSIVE INCOME [Member] | NONREDEEMABLE NONCONTROLLING INTERESTS [Member] | Series B Preferred Stock [Member] | Series B Preferred Stock [Member] ACCUMULATED DISTRIBUTIONS IN EXCESS OF NET INCOME [Member] | Series C Preferred Stock [Member] | Series C Preferred Stock [Member] ACCUMULATED DISTRIBUTIONS IN EXCESS OF NET INCOME [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Apr. 30, 2017 | $ 636,158 | $ 111,357 | $ 908,905 | $ (466,541) | $ 0 | $ 82,437 |  |  |  |
Balance (in shares) at Apr. 30, 2017 |  |  | 121,199 |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Net income (loss) attributable to controlling interests and nonredeemable noncontrolling interests | (13,108) |  |  | (11,264) |  | (1,844) |  |  |  |
Distributions – common shares and units | (9,509) |  |  | (8,444) |  | (1,065) |  |  |  |
Distributions - preferred shares | (2,286) |  |  |  |  |  | $ (2,286) | $ (2,286) |  |
Shares issued and share-based compensation (in shares) |  |  | 75 |  |  |  |  |  |  |
Shares issued and share-based compensation | 469 |  | $ 469 |  |  |  |  |  |  |
Redemption of units for cash | (5,735) |  |  |  |  | (5,735) |  |  |  |
Shares repurchased (in shares) |  |  | (682) |  |  |  |  |  |  |
Shares repurchased | (3,936) |  | $ (3,936) |  |  |  |  |  |  |
Distributions to nonredeemable noncontrolling interests – consolidated real estate entities | (20) |  |  |  |  | (20) |  |  |  |
Other (in shares) |  |  | (5) |  |  |  |  |  |  |
Other | (29) |  | $ (29) |  |  |  |  |  |  |
Balance at Jul. 31, 2017 | 602,004 | 111,357 | $ 905,409 | (488,535) | 0 | 73,773 |  |  |  |
Balance (in shares) at Jul. 31, 2017 |  |  | 120,587 |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Cumulative adjustment upon adoption of ASC 606 and ASC 610-20 | 627 |  |  | 627 |  |  |  |  |  |
Adjusted balance | 688,190 | 99,456 | $ 900,097 | (395,042) | 1,779 | 81,900 |  |  |  |
Balance at Apr. 30, 2018 | 687,563 | 99,456 | $ 900,097 | (395,669) | 1,779 | 81,900 |  |  |  |
Balance (in shares) at Apr. 30, 2018 |  |  | 119,526 |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Net income (loss) attributable to controlling interests and nonredeemable noncontrolling interests | 3,880 |  |  | 2,916 |  | 964 |  |  |  |
Other comprehensive income - derivative instrument | 208 |  |  |  | 208 |  |  |  |  |
Distributions – common shares and units | (9,346) |  |  | (8,359) |  | (987) |  |  |  |
Distributions - preferred shares | (1,705) |  |  |  |  |  |  |  | $ (1,705) | $ (1,705)
Shares issued and share-based compensation (in shares) |  |  | 24 |  |  |  |  |  |  |
Shares issued and share-based compensation | 320 |  | $ 320 |  |  |  |  |  |  |
Redemption of units for common shares (in shares) |  |  | 114 |  |  |  |  |  |  |
Redemption of units for cash | 0 |  | $ 291 |  |  | (291) |  |  |  |
Redemption of units for cash | (479) |  |  |  |  | (479) |  |  |  |
Shares repurchased (in shares) |  |  | (119) |  |  |  |  |  |  |
Shares repurchased | (615) |  | $ (615) |  |  |  |  |  |  |
Partial acquisition of noncontrolling interests - consolidated real estate entities | (28) |  | $ (178) |  |  | 150 |  |  |  |
Distributions to nonredeemable noncontrolling interests – consolidated real estate entities | (2,099) |  |  |  |  | (2,099) |  |  |  |
Conversion to equity of notes receivable from nonredeemable noncontrolling interests - consolidated real estate entities | (392) |  |  |  |  | (392) |  |  |  |
Other (in shares) |  |  | (38) |  |  |  |  |  |  |
Other | (207) |  | $ (207) |  |  |  |  |  |  |
Balance at Jul. 31, 2018 | $ 677,727 | $ 99,456 | $ 899,708 | $ (402,190) | $ 1,987 | $ 78,766 |  |  |  |
Balance (in shares) at Jul. 31, 2018 |  |  | 119,507 |  |  |  |  |  |  |

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