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INVESTMENT IN HOTEL PROPERTIES, NET - Total revenue and net income for hotel properties acquired (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
2016 acquisitions |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Revenues | $ 6,267 |  | $ 10,511 |
Net income | 1,738 |  | 2,715 |
2015 acquisitions |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Revenues | 6,462 | $ 1,912 | 10,513 | $ 1,912
Net income | $ 1,187 | $ 190 | $ 370 | $ 190

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