Long-Term Incentive Plan Units (Roll-Forward Of Company's LTIP Units Outstanding) (Details) (Long-Term Incentive Plan Units [Member])	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
LTIP Units Outstanding, Beginning	390,500	385,000	390,500	385,000
Granted	5,346	3,750	5,346	3,750
Exercised	0	0	0	0
LTIP Units Outstanding, Ending	395,846	388,750	395,846	388,750
LTIP Units Vested and Outstanding	387,500	378,750	387,500	378,750
Manager [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
LTIP Units Outstanding, Beginning	375,000	375,000	375,000	375,000
Granted	0	0	0	0
Exercised	0	0	0	0
LTIP Units Outstanding, Ending	375,000	375,000	375,000	375,000
LTIP Units Vested and Outstanding	375,000	375,000	375,000	375,000
Non-Manager [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
LTIP Units Outstanding, Beginning	15,500	10,000	15,500	10,000
Granted	5,346	3,750	5,346	3,750
Exercised	0	0	0	0
LTIP Units Outstanding, Ending	20,846	13,750	20,846	13,750
LTIP Units Vested and Outstanding	12,500	3,750	12,500	3,750