NOTES AND BONDS PAYABLE - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Debt Instrument [Line Items]
Interest expense	$ 5,985	$ 7,249	$ 12,781	$ 14,417
Amortization of deferred financing costs	800	800	1,677	1,709
Interest capitalized			1,656	1,389
Interest payable	4,500		4,500		$ 4,800
Undeveloped Land
Debt Instrument [Line Items]
Interest capitalized	$ 800	$ 700	$ 1,700	$ 1,400