DESCRIPTION OF BUSINESS (Details)	1 Months Ended	6 Months Ended
	May 31, 2020 Room hotel	Dec. 31, 2020 Room hotel State	Jan. 07, 2021 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 hotel Room	Dec. 31, 2019 Room	Dec. 06, 2018 USD ($)
Properties
Number of hotels		72
Number of guestrooms | Room						798
Number of states in which hotel properties are located | State		23
Number of hotels temporarily suspended		1			6
Number of guestrooms temporarily suspended | Room		252			934
Number of hotels with guests directed to sister properties		2			9
Number of guestrooms with guests directing to sister properties | Room		342			1,278
Number of hotels re-opened	5
Number of guestrooms re-opened | Room	682
Number of hotels adjacent to sister properties re-opened	4	3
Number of guestrooms adjacent to sister properties re-opened | Room	506	430
Conserved cash on suspension of dividend, quarterly | $				$ 19,000,000.0
Conserved cash on suspension of dividend, annually | $				$ 75,000,000.0
Percentage of temporary reduction of base salaries and fees				25.00%
Percentage of corporate-level staff furloughed				25.00%
$400 Million Revolver | Unsecured debt
Properties
Credit facility, maximum borrowing capacity | $							$ 400,000,000
1.50% convertible senior notes due 2026 | Convertible Debt | Subsequent events
Properties
Debt instrument, face amount | $			$ 287,500,000
Hotels
Properties
Number of hotels		72
Number of guestrooms | Room		11,288
Other than five acquired in 2019 through joint venture | Hotels
Properties
Ownership percentage of equity interests		100.00%
Five hotels acquired in 2019 through joint venture | Hotels
Properties
Number of hotels		5
Ownership percentage of equity interests						51.00%
Wholly owned properties | Hotels
Properties
Number of hotels		67