Long-Term Incentive Plan Units (Roll-Forward of Company's LTIP Units Outstanding) (Details) - Long-Term Incentive Plan Units [Member] - shares			3 Months Ended		9 Months Ended
	Sep. 15, 2021	Mar. 04, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
LTIP Units Outstanding, beginning of period			629,769	560,527	612,538	545,716
Granted			16,264	22,840	33,495	37,651
Exercised			(5,710)	(3,638)	(5,710)	(3,638)
LTIP Units Outstanding, end of period			640,323	579,729	640,323	579,729
OP LTIP Units Unvested and Outstanding end of period			86,205	69,227	86,205	69,227
OP LTIP Units Vested and Outstanding end of period			554,118	510,502	554,118	510,502
Manager [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
LTIP Units Outstanding, beginning of period			365,518	365,518	365,518	365,518
Granted			0	0	0	0
Exercised			0	0	0	0
LTIP Units Outstanding, end of period			365,518	365,518	365,518	365,518
OP LTIP Units Unvested and Outstanding end of period			0	0	0	0
OP LTIP Units Vested and Outstanding end of period			365,518	365,518	365,518	365,518
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			264,251	195,009	247,020	180,198
Granted	16,264	17,231	16,264	22,840	33,495	37,651
Exercised			(5,710)	(3,638)	(5,710)	(3,638)
LTIP Units Outstanding, end of period			274,805	214,211	274,805	214,211
OP LTIP Units Unvested and Outstanding end of period			86,205	69,227	86,205	69,227
OP LTIP Units Vested and Outstanding end of period			188,600	144,984	188,600	144,984