NOTES AND BONDS PAYABLE - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Nov. 12, 2021	May 07, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Interest expense	$ 10,092	$ 6,274	$ 30,713	$ 19,055
Amortization of deferred financing costs	800	800	2,470	2,481
Amortization of discount on bond and notes payable	500	64	1,906	14
Interest capitalized			1,579	2,368
Interest payable	3,300		3,300				$ 6,200
Debt obligations, next twelve months	548,061		548,061
Extension options of debt obligations outstanding that are scheduled to mature over the next 12 months						$ 239,800
Subsequent Event
Debt Instrument [Line Items]
Debt obligations, next twelve months					$ 518,000
Undeveloped Land
Debt Instrument [Line Items]
Interest capitalized	$ 500	$ 700	$ 1,600	$ 2,400