COMMITMENTS AND CONTINGENCIES - Future Minimum Payments - REIT (Details) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Operating Leases
Remainder of 2019	$ 1,399
2020	2,899
2021	2,220
2022	806
2023	545
2024	503
Thereafter	77,594
Total	85,966
Total discounted lease liability	13,574
Finance lease liabilities			$ 3,360
Difference between undiscounted cash flows and discounted cash flows	$ 72,392
Weighted-average remaining lease term	40 years
Weighted-average discount rate	6.30%
Finance Leases
Remainder of 2019	$ 181
2020	386
2021	395
2022	397
2023	400
2024	402
Thereafter	3,100
Thereafter	5,261
Total discounted lease liability	3,440	$ 3,400
Difference between undiscounted cash flows and discounted cash flows	$ 1,821
Weighted-average remaining lease term	13 years
Weighted-average discount rate	7.00%
ESH REIT
Operating Leases
Remainder of 2019	$ 358
2020	779
2021	784
2022	806
2023	545
2024	503
Thereafter	77,594
Total	81,369
Total discounted lease liability	9,261
Finance lease liabilities			$ 3,360
Difference between undiscounted cash flows and discounted cash flows	$ 72,108
Weighted-average remaining lease term	58 years
Weighted-average discount rate	6.60%
Finance Leases
Remainder of 2019	$ 181
2020	386
2021	395
2022	397
2023	400
2024	402
Thereafter	3,100
Thereafter	5,261
Total discounted lease liability	3,440	$ 3,400
Difference between undiscounted cash flows and discounted cash flows	$ 1,821
Weighted-average remaining lease term	13 years
Weighted-average discount rate	7.00%