COMMITMENTS AND CONTINGENCIES - Components of Lease Expense - REIT (Details) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Entity Information [Line Items]
Operating lease costs	$ 769	$ 770	$ 1,538	$ 1,538
Finance lease costs	80	61	146	122
Total lease costs	849	831	1,684	1,660
ESH Hospitality, Inc.
Entity Information [Line Items]
Operating lease costs	327	327	653	652
Finance lease costs	80	61	146	122
Total lease costs	$ 407	$ 388	$ 799	$ 774