DERIVATIVE INSTRUMENTS - Additional Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Sep. 30, 2016
Designated as Hedging Instrument | Interest Rate Swap
Derivative [Line Items]
Derivative notional amount	$ 150,000,000.0
Reduction of outstanding derivative amount	50,000,000.0
Interest rate cash flow hedge gain, net of tax	(1,042,000)		$ 706,000
Gain to be reclassified to earnings in next twelve months	(1,000,000.0)
Designated as Hedging Instrument | Interest Rate Swap | Interest (income) expense, net
Derivative [Line Items]
Interest rate cash flow hedge gain, net of tax	257,000	$ 975,000
ESH REIT | Designated as Hedging Instrument | Interest Rate Swap
Derivative [Line Items]
Derivative notional amount	$ 150,000,000.0		$ 200,000,000.0
Term Loan Facility | Medium-term Notes | ESH REIT Term Facility | ESH REIT
Derivative [Line Items]
Derivative rate (as a percent)				1.175%