Equity - Additional Information (Details) - shares	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Partnership exchangeable units
Stockholders Equity [Line Items]
BKW reorganization into Partnership (in shares)	72,671	178,046

The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit).

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration