COMMITMENTS AND CONTINGENCIES (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2020 USD ($) condominium_tower housing_unit	Mar. 31, 2019 USD ($)	Dec. 31, 2018 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		$ 13,400,000
Outstanding letters of credit	15,400,000			$ 15,400,000
Amount of outstanding surety bonds	227,400,000			$ 200,100,000
Rent expense	$ 1,800,000	$ 2,100,000
Product liability contingency, third party recovery, percentage	20.00%
Number of open condominium towers | condominium_tower	4
Number of reserved housing units | housing_unit	375
Guarantee Obligations | Downtown Columbia
Lessor, Lease, Description [Line Items]
Loss contingency guaranteed amount limit	$ 1,000,000.0