Shareholders' Equity / Partners' Capital - Noncontrolling Interest (Details) - Class A Common Units - Operating Partnership - shares	Sep. 30, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Operating partnership units (in shares)	413,432,903	404,893,881
AH LLC
Class of Stock [Line Items]
Operating partnership units (in shares)	50,779,990	50,779,990
Percentage of units outstanding	12.30%	12.50%
Non-affiliates
Class of Stock [Line Items]
Operating partnership units (in shares)	596,990	596,990
Percentage of units outstanding	0.10%	0.20%