Commitments and Contingencies (Details) $ in Millions		3 Months Ended		12 Months Ended
	Jun. 14, 2018 individualOrEntitie party	Mar. 31, 2022 USD ($) tower	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Loss Contingencies [Line Items]
Number of individuals or entities on petition | individualOrEntitie	500
Number of unaffiliated parties | party	2
Loss contingency accrual for estimated repair costs				$ 5.0
Outstanding letters of credit		$ 5.1		5.1
Amount of outstanding surety bonds		321.7		331.0
Contractual rent expense		$ 1.5	$ 1.7
Guarantor obligations, reserved percentage of residential units		20.00%
Guarantor obligations, number of towers reserved | tower		4
Guarantor obligations, number of towers under construction | tower		2
Waiea
Loss Contingencies [Line Items]
Charge for repairs and remediation on alleged construction defects				$ 21.0	$ 99.2
Loss contingency accrual for estimated repair costs		$ 82.1