Aggregate dividends paid during the period for each share of common stock outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

Name:	us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

+ References

+ Details

Name:	us-gaap_DividendsCommonStockCash
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

Name:	us-gaap_DividendsPayableLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	dei_LegalEntityAxis=us-gaap_ParentCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Schedule I [Schedule] - Distributions Paid to Common Shareholders (Detail) - USD ($) $ / shares in Units, $ in Thousands									12 Months Ended
	Nov. 22, 2016	Aug. 25, 2016	May 24, 2016	Mar. 22, 2016	Jan. 18, 2016	Nov. 24, 2015	Aug. 27, 2015	May 28, 2015	Dec. 31, 2016	Dec. 31, 2015
Dividends Payable [Line Items]
Total Distributions									$ 62,311	$ 24,689
Parent [Member]
Dividends Payable [Line Items]
Distribution per Common Share (in dollars per share)	$ 0.16	$ 0.09	$ 0.04	$ 0.02	$ 0.06	$ 0.02	$ 0.02	$ 0.02
Total Distributions	$ 31,643	$ 18,047	$ 8,065	$ 4,122	$ 12,276	$ 4,096	$ 4,091	$ 4,091	$ 74,153	$ 12,278