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INVESTMENT IN HOTEL PROPERTIES, NET INVESTMENT IN HOTEL PROPERTIES, NET - Assets held for sale narrative (Details) $ in Thousands |  |  |  |  |  |  |  | 3 Months Ended | 5 Months Ended | 6 Months Ended |  |  |  |  |  |  |
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Aug. 02, 2016 USD ($) Room | Jul. 01, 2016 USD ($) | Feb. 11, 2016 USD ($) Room option Property | Jan. 20, 2016 USD ($) Room | Jan. 19, 2016 USD ($) Room | Dec. 29, 2015 USD ($) Room Property | Oct. 20, 2015 USD ($) Room | Jun. 30, 2016 USD ($) installment Property | Jun. 30, 2016 USD ($) Property | Jun. 30, 2016 USD ($) Property | Jun. 30, 2015 USD ($) | Jun. 07, 2016 USD ($) | Jun. 01, 2016 USD ($) | May 13, 2016 USD ($) | Apr. 15, 2016 USD ($) | Dec. 31, 2015 USD ($) contract Property | Oct. 15, 2015 USD ($) Room Property | Jun. 02, 2015 USD ($) contract Room Property Closing
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price |  |  |  |  |  |  |  |  |  |  | $ 97,951 |  |  |  |  |  |  |
Total realized and deferred gain on disposal |  |  | $ 56,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of properties |  |  |  |  |  |  |  | $ 2,700 | $ 2,000 | $ 39,500 |  |  |  |  |  |  |  |
Deferred gain on sale of property |  |  | $ 20,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from repayments of real estate loans |  |  |  |  |  |  |  |  |  | 2,000 | $ 0 |  |  |  |  |  |  |
Number of notes receivable | contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Portfolio of Hotels, ARCH Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of hotels | Property |  |  | 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of guestrooms | Room |  |  | 707 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate sales price |  |  | $ 108,300 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Receivable portion applied toward sale of hotel properties transaction by borrower |  |  | 20,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Portfolio of Hotels, Reinstatement Agreement, New ARCH Purchaser |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earnest money deposits |  |  | 7,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from repayments of real estate loans |  |  |  |  |  |  |  | 2,000 |  |  |  |  |  |  |  |  |  |
Note receivable |  |  | $ 27,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans receivable, amortization payments amount |  |  |  |  |  |  |  | $ 1,000 | $ 1,000 | $ 1,000 |  |  |  |  |  |  |  |
Number of installments for collection of loan | installment |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |
Maximum maturity date extension |  |  | 2 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of extension options | option |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of extension option |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued interest rate on unpaid principal balance from loan date to initial maturity date |  |  | 13.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued interest rate on unpaid principal balance for first extension period |  |  | 14.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued interest rate on unpaid principal balance for second extension period |  |  | 15.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued interest percentage of amount to be paid monthly |  |  | 9.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining accrued interest rate on unpaid principal balance for the period through initial maturity |  |  | 4.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining accrued interest rate on unpaid principal balance for first extension period |  |  | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining accrued interest rate on unpaid principal balance for the second extension period |  |  | 6.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets held-for-sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of hotels | Property |  |  |  |  |  |  |  | 2 | 2 | 2 |  |  |  |  |  |  |  |
Aggregate sales price |  |  |  |  |  |  |  | $ 89,100 | $ 89,100 | $ 89,100 |  |  |  |  |  |  |  |
Assets held-for-sale | Portfolio of Hotels, ARCH Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of agreements | contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Number of hotels | Property |  |  | 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26
Number of guestrooms | Room |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,793
Aggregate sales price |  |  | $ 108,300 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 347,400
Number of closings | Closing |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3
Earnest money deposits forfeited |  |  |  |  |  | $ 9,100 |  |  |  |  |  |  |  |  |  |  |  |
Note receivable |  |  | 20,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets held-for-sale | Portfolio of Hotels, ARCH Agreements, First Closing |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of hotels | Property |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 |
Number of guestrooms | Room |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,090 |
Aggregate sales price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 150,100 |
Assets held-for-sale | Portfolio of Hotels, Reinstatement Agreement, New ARCH Purchaser |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of hotels | Property |  |  |  |  |  | 10 |  |  |  |  |  |  |  |  |  |  |  |
Aggregate sales price |  |  |  |  |  | $ 89,100 |  |  |  |  |  |  |  |  |  |  |  |
Earnest money deposits |  |  | 7,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets held-for-sale | Portfolio of Hotels, ARCH Agreements, Terminated Purchase Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of guestrooms | Room |  |  |  |  |  | 996 |  |  |  |  |  |  |  |  |  |  |  |
Earnest money deposits forfeited |  |  |  |  |  | $ 9,100 |  |  |  |  |  |  |  |  |  |  |  |
Reverse and forward 1031 Exchanges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred taxable gain on sale of hotels |  |  |  | $ 5,100 | $ 74,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of properties |  |  |  |  |  |  |  | $ 600 |  |  |  |  |  |  |  |  |  |
Emporia, KS | Assets held-for-sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of hotels | Property |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Courtyard by Marriott | Atlanta, GA | Reverse and forward 1031 Exchanges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of guestrooms | Room |  |  |  |  |  |  | 179 |  |  |  |  |  |  |  |  |  |  |
Purchase price |  |  |  |  |  |  | $ 44,000 |  |  |  |  |  |  |  |  |  |  |
Courtyard by Marriott | Nashville, TN | Reverse and forward 1031 Exchanges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of guestrooms | Room |  |  |  |  | 226 |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price |  |  |  |  | $ 71,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Aloft | Jacksonville, FL | Reverse and forward 1031 Exchanges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate sales price |  |  |  |  |  |  |  |  |  |  |  |  | $ 8,600 |  |  |  |  |
Holiday Inn Express | Las Colinas, TX | Reverse and forward 1031 Exchanges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate sales price |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,500 |  |  |  |
Holiday Inn Express | Vernon Hills, IL | Reverse and forward 1031 Exchanges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate sales price |  |  |  |  |  |  |  |  |  |  |  | $ 5,900 |  |  |  |  |  |
Residence Inn by Marriott | Atlanta, GA | Reverse and forward 1031 Exchanges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of guestrooms | Room |  |  |  | 160 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price |  |  |  | $ 38,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Emporia Property [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate sales price |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,500 |  |  |
Mortgage loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of debt |  |  | 5,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Unsecured debt | Reverse and forward 1031 Exchanges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pay-down of credit facility |  |  | $ 105,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note receivable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,700 |  |
Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of guestrooms | Room | 157 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price | $ 61,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event | Portfolio of Hotels, Reinstatement Agreement, New ARCH Purchaser |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from repayments of real estate loans |  | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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