Commitments and Contingencies - Concentration of Risk and Other (Details) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2016 USD ($) property	Sep. 30, 2016 USD ($) property
Concentration of Risk
Number of hotels which are held for investment	28	28
Other
Term of unsecured environmental indemnities	0 years
Damage limitation of unsecured environmental indemnities \| $	$ 0
California
Concentration of Risk
Number of hotels which are held for investment	8	8
Illinois
Concentration of Risk
Number of hotels which are held for investment	3	3
Massachusetts
Concentration of Risk
Number of hotels which are held for investment	3	3
Greater Washington DC Area
Concentration of Risk
Number of hotels which are held for investment	3	3
Number of rooms \| California
Concentration of Risk
Concentration risk (as a percent)	31.00%
Number of rooms \| Illinois
Concentration of Risk
Concentration risk (as a percent)	8.00%
Number of rooms \| Massachusetts
Concentration of Risk
Concentration risk (as a percent)	14.00%
Number of rooms \| Greater Washington DC Area
Concentration of Risk
Concentration risk (as a percent)	13.00%
Revenue generated by hotels \| California
Concentration of Risk
Concentration risk (as a percent)		36.00%
Revenue generated by hotels \| Illinois
Concentration of Risk
Concentration risk (as a percent)		7.00%
Revenue generated by hotels \| Massachusetts
Concentration of Risk
Concentration risk (as a percent)		15.00%
Revenue generated by hotels \| Greater Washington DC Area
Concentration of Risk
Concentration risk (as a percent)		13.00%
Workers' compensation insurance programs
Other
Outstanding irrevocable letters of credit \| $	$ 500	$ 500
Draws on letters of credit \| $	$ 0

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Represents the term of unsecured environmental indemnities.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611

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-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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The number of real estate properties owned as of the balance sheet date.

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The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585

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