The cash outflow from the acquisition of a piece of land and anything permanently fixed to it, including buildings, structures on it and so forth, and payments to develop real estate assets by adding improvements on or to a parcel of land. Such improvements may include drainage, utilities, subdividing, access, buildings, and any combination of these elements. Including real estate intended to generate income for the owner; excluding real estate acquired for use by the owner.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireAndDevelopRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Subsequent Events (Details) $ in Thousands		1 Months Ended	9 Months Ended
Subsequent Events (Details) $ in Thousands	Sep. 05, 2017 ft²	Sep. 30, 2017 USD ($) a	Aug. 31, 2017 USD ($)	Aug. 31, 2016 USD ($)
Subsequent events
Cash paid for building \| $			$ 10,964	$ 13,365
Subsequent events
Subsequent events
Number of acres \| a		22
Cash paid for building \| $		$ 2,600
Subsequent events \| Tenant bankruptcy
Subsequent events
Area Of Building \| ft²	100,000
Area of leased space \| ft²	52,000