COMMITMENTS AND CONTINGENCIES (Details)	3 Months Ended			6 Months Ended
	Jun. 30, 2020 USD ($) housing_unit condominium_tower	Mar. 31, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) housing_unit condominium_tower	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Jun. 14, 2018 individual_or_entity
Lessor, Lease, Description [Line Items]
Number of individuals or entities on petition | individual_or_entity							500
Loss contingency, loss in period		$ 97,900,000		$ 115,400,000
Outstanding letters of credit	$ 11,500,000			11,500,000		$ 15,400,000
Amount of outstanding surety bonds	238,100,000			238,100,000		$ 200,100,000
Rent expense	$ 1,600,000		$ 2,100,000	$ 3,400,000	$ 4,200,000
Product liability contingency, third party recovery, percentage				20.00%
Number of open condominium towers | condominium_tower	4			4
Number of reserved housing units | housing_unit	375			375
Guarantee Obligations | Downtown Columbia
Lessor, Lease, Description [Line Items]
Loss contingency guaranteed amount limit	$ 1,000,000.0			$ 1,000,000.0