Organization And Summary Of Significant Accounting Policies (Joint Venture Properties) (Details)	12 Months Ended
	Dec. 31, 2015
Mystic Partners, LLC [Member] | Marriott Mystic, CT [Member] | Mystic Partners Leaseco, LLC [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership percentage (in hundredths)	66.70%
Mystic Partners, LLC [Member] | Hilton, Hartford, CT [Member] | Mystic Partners Leaseco, LLC [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership percentage (in hundredths)	8.80%
Mystic Partners, LLC [Member] | Marriott, Hartford, CT [Member] | Mystic Partners Leaseco, LLC [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership percentage (in hundredths)	15.00%
SB Partners, LLC [Member] | Holiday Inn Express South Boston, MA [Member] | South Bay Sandeep, LLC [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership percentage (in hundredths)	50.00%
Hiren Boston, LLC [Member] | Courtyard South Boston, MA [Member] | South Bay Boston, LLC [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership percentage (in hundredths)	50.00%