Long-Term Incentive Plan Units (Roll-Forward Of Company's LTIP Units Outstanding) (Details) - Long-Term Incentive Plan Units [Member] - shares	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
LTIP Units Outstanding, beginning of period	449,938	429,314
Granted	0	0
Exercised	0	0
LTIP Units Outstanding, end of period	449,938	429,314
LTIP Units Vested and Outstanding	421,120	404,859
Manager [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
LTIP Units Outstanding, beginning of period	375,000	375,000
Granted	0	0
Exercised	0	0
LTIP Units Outstanding, end of period	375,000	375,000
LTIP Units Vested and Outstanding	375,000	375,000
Non-Manager [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
LTIP Units Outstanding, beginning of period	74,938	54,314
Granted	0	0
Exercised	0	0
LTIP Units Outstanding, end of period	74,938	54,314
LTIP Units Vested and Outstanding	46,120	29,859