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Cash Dividends - Additional Information (Detail) - USD ($) $ in Thousands		9 Months Ended
	Jan. 09, 2015	Sep. 30, 2015	Sep. 30, 2014
Dividends Payable [Line Items]
Payment of cash dividends	$ 569	$ 1,141	$ 4,251

X

- 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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X

- Definition

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Glossary Financing Activities



-URI http://asc.fasb.org/extlink&oid=6513228



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 230



-SubTopic 10



-Section 45



-Paragraph 15



-Subparagraph (a)



-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585

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