Summary of Existing Stock Based Compensation Plans (Details)	Dec. 31, 2020 shares
Stock based compensation plans [Line Items]
Number of Shares Authorized	7,635,389
HHC 2019 Omnibus Incentive Plan | Restricted Stock Units (RSUs) [Member] | September 2019 | Share-based Payment Arrangement, Employee
Stock based compensation plans [Line Items]
Shares Outstanding(1)	1,034,100	[1]
HHC 2019 Omnibus Incentive Plan | Performance Shares | September 2019 | Share-based Payment Arrangement, Employee
Stock based compensation plans [Line Items]
Shares Outstanding(1)	2,412,894	[1]
HHC 2019 Omnibus Incentive Plan - 2020 Grants | Restricted Stock Units (RSUs) [Member] | March 2020 | Share-based Payment Arrangement, Employee
Stock based compensation plans [Line Items]
Shares Outstanding(1)	692,441	[1]
HHC 2019 Omnibus Incentive Plan - 2020 Grants | Restricted Stock Units (RSUs) [Member] | January 2020 | Share-based Payment Arrangement, Nonemployee
Stock based compensation plans [Line Items]
Shares Outstanding(1)	73,332	[1]
HHC 2019 Omnibus Incentive Plan - 2020 Grants | Restricted Stock Units (RSUs) [Member] | August 2020 | Share-based Payment Arrangement, Nonemployee
Stock based compensation plans [Line Items]
Shares Outstanding(1)	60,664	[1]
HHC 2019 Omnibus Incentive Plan - 2020 Grants | Performance Shares | March 2020 | Share-based Payment Arrangement, Employee
Stock based compensation plans [Line Items]
Shares Outstanding(1)	811,425	[1]

[1] Shares outstanding includes shares awarded to associates related to the Held for Sale Business