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Earnings Per Share - Additional Information (Detail) - shares | Mar. 31, 2016 | Mar. 31, 2015
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Earnings Per Share [Abstract] |  |
Operating partnership units, outstanding | 398,701 | 1,441,890

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- Definition The number of units of other ownership interests outstanding in a limited partnership or master limited partnership. Does not include limited or general partners' ownership interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055 + Details
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