INVESTMENT IN HOTEL PROPERTIES, NET - Schedule of sale of hotels (Details) $ in Thousands	Mar. 31, 2018 USD ($) hotel	Apr. 30, 2017 USD ($) hotel Room	Feb. 29, 2016 USD ($) hotel	Oct. 31, 2015 USD ($) hotel	Jun. 08, 2015 USD ($) hotel
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hotels	83
Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hotels	23	23
Number of guestrooms | Room		2,448
Aggregate sales price | $	$ 325,100	$ 325,100
Portfolio of Hotels to HIT, Tranche One | Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hotels				10
Aggregate sales price | $				$ 150,000
Portfolio of Hotels to HIT, Tranche Two | Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hotels			6		6
Aggregate sales price | $			$ 108,300		$ 108,300
Portfolio of Hotels to HIT, Tranche Three | Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hotels		7
Aggregate sales price | $		$ 66,800