Cash, Cash Equivalents, and Restricted Cash - Schedule of Restricted Cash Accounts (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 251,487	$ 198,346
Resident security deposits
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	163,888	158,244
Property taxes
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	53,548	7,511
Collections
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	23,969	22,978
Capital expenditures
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	4,921	4,919
Letters of credit
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	3,787	3,320
Special and other reserves
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 1,374	$ 1,374