DESCRIPTION OF BUSINESS (Details)	1 Months Ended	3 Months Ended	9 Months Ended
	May 31, 2020 Room hotel	Sep. 30, 2020 USD ($) Property Room hotel State	Sep. 30, 2020 USD ($) Property Room hotel State	Oct. 23, 2020 USD ($)	Jun. 30, 2020 USD ($)	May 07, 2020 USD ($)	Mar. 31, 2020 Room hotel	Dec. 31, 2019 USD ($)	Dec. 06, 2018 USD ($)
Properties
Number of hotels | hotel		72	72
Number of states in which hotel properties are located | State		23	23
Number of hotels with full ownership | Property		67	67
Number of hotels temporarily suspended | hotel		1	1				6
Number of guestrooms temporarily suspended | Room		252	252				934
Number of hotels with guests directed to Sister Properties | hotel		3	3				9
Number of guestrooms with guests directed to Sister Properties | Room		463	463				1,278
Number of hotels re-opened | hotel	5
Number of guestrooms re-opened | Room	682
Number of hotels adjacent to sister properties re-opened | hotel	4	2
Number of guestrooms adjacent to sister properties re-opened | Room	506	309
Cash and cash equivalents		$ 39,075,000	$ 39,075,000					$ 42,238,000
Conserved cash, on suspension of dividends, quarterly					$ 19,000,000.0
Conserved cash, on suspension of dividends, annually					75,000,000.0
Estimated decrease of capital expenditures					$ 35,000,000.0
Estimated decrease of capital expenditures, percentage					50.00%
Percentage of temporary deduction of base salaries and fees					25.00%
Percent of corporate-level staff furloughed					25.00%
Subsequent Event
Properties
Cash and cash equivalents				$ 35,300,000
Hotels
Properties
Number of hotels | hotel		72	72
Number of guestrooms | Room		11,288	11,288
Number of hotels with partial ownership | hotel		5	5
All hotels other than one acquired in 2019 through joint venture | Hotels
Properties
Ownership percentage of equity interests		100.00%	100.00%
Five hotels acquired in 2019 through joint venture | Hotels
Properties
Ownership percentage of equity interests		51.00%	51.00%
Unsecured Debt | $400 Million Revolver
Properties
Proceeds from debt			$ 50,000,000.0
Credit facility, maximum borrowing capacity		$ 400,000,000	400,000,000			$ 400,000,000			$ 400,000,000
Additional borrowing capacity		$ 150,000,000.0	$ 150,000,000.0
Unsecured Debt | $400 Million Revolver | Subsequent Event
Properties
Amount available for borrowing				$ 225,000,000.0