CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (26,137)	$ 183,040	$ (15,316)
Total comprehensive (loss) income	(26,137)	183,040	(15,316)
Comprehensive (income) attributable to non-controlling interest	(783)	(1,590)	(499)
Comprehensive (loss) income attributable to Transcontinental Realty Investors, Inc.	$ (26,920)	$ 181,450	$ (15,815)