Hotel Property Acquisitions (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	0 Months Ended			9 Months Ended
	Sep. 30, 2014 item	Jan. 09, 2014	Jan. 10, 2014	Mar. 14, 2014	Sep. 30, 2013 item
2014 acquisitions
Hotel property acquisitions
Purchase Price	$ 214,710
Number of hotel properties acquired	6
2014 acquisitions | Mortgage loan
Hotel property acquisitions
Debt Assumed	43,172
2014 acquisitions | Hilton Garden Inn | Houston, TX
Hotel property acquisitions
Purchase Price	37,500
2014 acquisitions | Hilton Garden Inn | Houston, TX | Mortgage loan
Hotel property acquisitions
Debt Assumed	17,846	17,800
2014 acquisitions | Hilton Garden Inn | Houston (Energy Corridor), TX
Hotel property acquisitions
Purchase Price	36,000
2014 acquisitions | Hampton Inn | Santa Barbara (Goleta), CA
Hotel property acquisitions
Purchase Price	27,900
2014 acquisitions | Hampton Inn | Santa Barbara (Goleta), CA | Mortgage loan
Hotel property acquisitions
Debt Assumed	12,037		12,000
2014 acquisitions | Four Points by Sheraton | South San Francisco, CA
Hotel property acquisitions
Purchase Price	21,250
2014 acquisitions | DoubleTree by Hilton | San Francisco, CA
Hotel property acquisitions
Purchase Price	39,060
2014 acquisitions | DoubleTree by Hilton | San Francisco, CA | Mortgage loan
Hotel property acquisitions
Debt Assumed	13,289			13,300
2014 acquisitions | Hampton Inn & Suites | Austin, TX
Hotel property acquisitions
Purchase Price	53,000
2013 acquisitions
Hotel property acquisitions
Purchase Price					412,209
Number of hotel properties acquired					16
2013 acquisitions | Mortgage loan
Hotel property acquisitions
Debt Assumed					33,532
2013 acquisitions | Hilton Garden Inn | Greenville, SC
Hotel property acquisitions
Purchase Price					15,250
2013 acquisitions | Hilton Garden Inn | Minneapolis (Eden Prairie), MN
Hotel property acquisitions
Purchase Price					10,200
2013 acquisitions | Hilton Garden Inn | Minneapolis (Eden Prairie), MN | Mortgage loan
Hotel property acquisitions
Debt Assumed					6,385
2013 acquisitions | Hyatt Place | Chicago (Hoffman Estates), IL
Hotel property acquisitions
Purchase Price					9,230
2013 acquisitions | Hyatt Place | Orlando (Convention), FL
Hotel property acquisitions
Purchase Price					12,252
2013 acquisitions | Hyatt Place | Orlando (Universal), FL
Hotel property acquisitions
Purchase Price					11,843
2013 acquisitions | Holiday Inn Express & Suites | San Francisco, CA
Hotel property acquisitions
Purchase Price					60,500
2013 acquisitions | Holiday Inn Express & Suites | San Francisco, CA | Mortgage loan
Hotel property acquisitions
Debt Assumed					23,423
2013 acquisitions | Holiday Inn Express & Suites | Minneapolis (Minnetonka), MN
Hotel property acquisitions
Purchase Price					6,900
2013 acquisitions | Holiday Inn Express & Suites | Minneapolis (Minnetonka), MN | Mortgage loan
Hotel property acquisitions
Debt Assumed					3,724
2013 acquisitions | SpringHill Suites by Marriott | New Orleans, LA
Hotel property acquisitions
Purchase Price					33,095
2013 acquisitions | SpringHill Suites by Marriott | Louisville, KY
Hotel property acquisitions
Purchase Price					39,138
2013 acquisitions | SpringHill Suites by Marriott | Indianapolis, IN
Hotel property acquisitions
Purchase Price					30,205
2013 acquisitions | Courtyard by Marriott | New Orleans (Convention), LA
Hotel property acquisitions
Purchase Price					30,827
2013 acquisitions | Courtyard by Marriott | New Orleans (French Quarter), LA
Hotel property acquisitions
Purchase Price					25,683
2013 acquisitions | Courtyard by Marriott | New Orleans (Metairie), LA
Hotel property acquisitions
Purchase Price					23,539
2013 acquisitions | Courtyard by Marriott | Indianapolis, IN
Hotel property acquisitions
Purchase Price					58,634
2013 acquisitions | Residence Inn by Marriott | New Orleans (Metairie), LA
Hotel property acquisitions
Purchase Price					19,890
2013 acquisitions | Fairfield Inn & Suites by Marriott | Louisville, KY
Hotel property acquisitions
Purchase Price					$ 25,023