CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	8 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2019	Apr. 30, 2018	Apr. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (5,320)	$ 84,822	$ 127,629	$ 30,525
Other comprehensive income:
Unrealized gain (loss) from derivative instrument	(2,794)	(7,040)	1,627	0
(Gain) loss on derivative instrument reclassified into earnings	159	289	152	0
Total comprehensive income (loss)	(7,955)	78,071	129,408	30,525
Net comprehensive (income) loss attributable to noncontrolling interests – Operating Partnership	1,032	(6,058)	(12,888)	(4,059)
Net comprehensive (income) loss attributable to noncontrolling interests – consolidated real estate entities	(110)	1,136	1,861	16,881
Comprehensive income (loss) attributable to controlling interests	$ (7,033)	$ 73,149	$ 118,381	$ 43,347