Description of Business (Details)	6 Months Ended
	Jun. 30, 2021 property	Jun. 07, 2021 $ / shares
Organization And Description Of Business [Line Items]
Number of properties | property	28
QualityTech, LP
Organization And Description Of Business [Line Items]
Merger agreement, acquisition price (in dollars per share)		$ 78
QualityTech, LP | Minimum
Organization And Description Of Business [Line Items]
Excluded shares, right to receive cash (in dollars per share)		$ 25.00
QualityTech LP
Organization And Description Of Business [Line Items]
Ownership interest	92.30%