Schedule II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Allowance for Tenant Receivables
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance, beginning of year	$ 2,368	$ 2,379	$ 1,977
Additions in allowance charged to expense	2,254	2,643	1,253
Bad debts charged against allowance	(2,699)	(2,654)	(851)
Balance, end of year	1,923	2,368	2,379
Allowance for Other Receivables
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance, beginning of year	1,285	1,241	1,270
Additions in allowance charged to expense	277	3,689	0
Bad debts charged against allowance	(286)	(3,645)	(29)
Balance, end of year	$ 1,276	$ 1,285	$ 1,241

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 09
-Article 12

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- Definition

Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.

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