The cash outflow from the acquisition of real estate intended to generate income for the owner; excludes land acquired for use by the owner.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585

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

Acquisitions - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
Acquisitions - Narrative (Details) - USD ($) $ in Millions	Jul. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of Asset Acquisitions, by Acquisition [Line Items]
Acquisition costs, capitalized		$ 1.3	$ 0.3	$ 1.6
601 108th Avenue NE, Bellevue, WA
Schedule of Asset Acquisitions, by Acquisition [Line Items]
Payments to acquire land parcel	$ 47.0