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

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- References

No definition available.

+ Details

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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

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