Receivables (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
Current Receivables, net
Current receivables	$ 10,107	[1]	$ 9,228	[1]
Allowance for uncollectible tenant receivables	(1,985)	[1]	(1,999)	[1]
Current receivables, net	8,122	[1]	7,229	[1]
Deferred Rent Receivables, net
Deferred rent receivables	170,736	[2]	158,405
Allowance for deferred rent receivables	(2,155)	[2]	(1,989)
Deferred rent receivables, net	$ 168,581	[2]	$ 156,416

[1] Excludes current receivables, net related to properties held for sale.

[2] Excludes deferred rent receivables, net related to properties held for sale as of March 31, 2015.