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Debt - Schedule of Long Term Debt (Details) - USD ($) | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2018 | Feb. 28, 2019 | Jan. 31, 2019 | Oct. 18, 2018 | Dec. 31, 2017
Debt Instrument [Line Items] |  |  |  |  |
Principal Balance | $ 983,764,000 |  |  |  |
Total mortgage and other debt, net of unamortized debt issuance costs | 629,747,000 |  |  |  | $ 639,639,000
Senior unsecured credit facility | 0 |  |  |  |
Total debt | $ 977,966,000 |  |  |  | 937,792,000
Weighted-Average Interest Rate | 4.01% |  |  |  |
Unsecured Term Loan Due May 2021 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate at period end | 3.80% |  |  |  |
Unsecured Term Loan Due October 2023 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate at period end | 3.78% |  |  |  |
Mortgages |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unamortized debt issuance costs | $ (4,017,000) |  |  |  | (4,795,000)
Total mortgage and other debt, net of unamortized debt issuance costs | 629,747,000 |  |  |  | 639,639,000
Unsecured term loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unamortized debt issuance costs | (1,781,000) |  |  |  | (1,847,000)
Total debt | $ 348,219,000 |  |  |  | 298,153,000
Unsecured term loan | Unsecured Term Loan Due May 2021 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate description | LIBOR + 1.45% (2) |  |  |  |
Principal Balance | $ 100,000,000 |  |  |  | 100,000,000
Unsecured term loan | Unsecured Term Loan Due May 2021 | LIBOR |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate | 1.45% |  |  |  |
Unsecured term loan | Unsecured Term Loan Due April 2022 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate description | LIBOR + 1.45% (2) |  |  |  |
Principal Balance | $ 200,000,000 |  |  |  |
Unsecured term loan | Unsecured Term Loan Due April 2022 | LIBOR |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate | 1.45% |  |  |  |
Unsecured term loan | Unsecured Term Loan Due October 2023 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate description | LIBOR + 1.45% (3) |  |  |  |
Principal Balance |  |  |  | $ 50,000,000 | 0
Unsecured term loan | Unsecured Term Loan Due October 2023 | LIBOR |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate | 1.45% |  |  |  |
Senior unsecured credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate description | LIBOR + 1.50% |  |  |  |
Senior unsecured credit facility | $ 0 |  |  |  | 0
Senior unsecured credit facility | LIBOR |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate | 1.50% |  |  |  |
Salt Lake City Marriott Downtown mortgage loan | Mortgages |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest Rate | 4.25% |  |  |  |
Principal Balance | $ 55,032,000 |  |  |  | 56,717,000
Westin Washington D.C. City Center mortgage loan | Mortgages |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest Rate | 3.99% |  |  |  |
Principal Balance | $ 62,734,000 |  |  |  | 64,833,000
The Lodge at Sonoma, a Renaissance Resort & Spa mortgage loan | Mortgages |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest Rate | 3.96% |  |  |  |
Principal Balance | $ 27,633,000 |  |  |  | 28,277,000
Westin San Diego mortgage loan | Mortgages |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest Rate | 3.94% |  |  |  |
Principal Balance | $ 63,385,000 |  |  |  | 64,859,000
Courtyard Manhattan / Midtown East mortgage loan | Mortgages |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest Rate | 4.40% |  |  |  |
Principal Balance | $ 82,620,000 |  |  |  | 84,067,000
Renaissance Worthington | Mortgages |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest Rate | 3.66% |  |  |  |
Principal Balance | $ 82,540,000 |  |  |  | 84,116,000
JW Marriott Denver at Cherry Creek | Mortgages |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest Rate | 4.33% |  |  |  |
Principal Balance | $ 62,411,000 |  |  |  | 63,519,000
Boston Westin mortgage loan | Mortgages |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest Rate | 4.36% |  |  |  |
Principal Balance | $ 194,466,000 |  |  |  | 198,046,000
New Market Tax Credit loan | Mortgages |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest Rate | 5.17% |  |  |  |
Principal Balance |  |  |  |  | $ 0
Subsequent Event |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Senior unsecured credit facility |  | $ 45,000,000 |  |  |
Subsequent Event | Unsecured Term Loan Due October 2023 | LIBOR |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate at period end |  |  | 2.41% |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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