Supplemental Information to Statements of Cash Flows (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Dividends Payable [Line Items]
Interest Paid, Net of Capitalized Interest	$ 26,945us-gaap_InterestPaid	$ 23,528us-gaap_InterestPaid	$ 13,440us-gaap_InterestPaid
Interest Paid, Capitalized	0us-gaap_InterestPaidCapitalized	206us-gaap_InterestPaidCapitalized	236us-gaap_InterestPaidCapitalized
Income Taxes Paid	3,049us-gaap_IncomeTaxesPaid	1,572us-gaap_IncomeTaxesPaid	1,877us-gaap_IncomeTaxesPaid
Distributions payable on shares/units	23,293	15,795
Issuance of common shares for board of trustees compensation	421us-gaap_StockIssued1	207us-gaap_StockIssued1	199us-gaap_StockIssued1
Mortgage loan assumed in connection with acquisition	50,725us-gaap_LoansAssumed1	90,448us-gaap_LoansAssumed1	27,175us-gaap_LoansAssumed1
Below (above) market rate contracts assumed in connection with acquisition	15,375	2,826	(9,170)
NonCash Acquisition, Capital Lease Obligation	10,758	0	0
Deposit Applied To Purchase Price Of Acquisition	0	4,000	0
Accrued additions and improvements to hotel properties	6,537	603	1,203
WriteOffFullyDepreciatedFurnitureFixtureandEquipment	4,446	0	0
Write off of Deferred Debt Issuance Cost	2,258	0	0
Long Term Incentive Partnership Units Converted To Common Units	258,101	0	444,535
Common Shares [Member]
Dividends Payable [Line Items]
Distributions payable on shares/units	17,743	10,592	7,461
Preferred Shares [Member]
Dividends Payable [Line Items]
Distributions payable on shares/units	$ 5,550	$ 5,203	$ 3,813

Accrued additions and improvements to hotel properties.

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Deposit applied to purchase price of acquisition.

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Long term incentive partnership units converted to common units.

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NonCash Acquisition, Capital Lease Obligation

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Write Off Fully Depreciated Furniture Fixture and Equipment

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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The amount of cash paid for interest during the period.

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The fair value of stock issued in noncash financing activities.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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