Long-Term Incentive Plan Units (Roll-Forward of Company's LTIP Units Outstanding) (Details) - Long-Term Incentive Plan Units [Member] - shares		3 Months Ended		6 Months Ended
	Mar. 04, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 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		0	0	17,231	14,811
Exercised		0	0	0	0
LTIP Units Outstanding, end of period		629,769	560,527	629,769	560,527
OP LTIP Units Unvested and Outstanding end of period		92,781	60,939	92,781	60,939
OP LTIP Units Vested and Outstanding end of period		536,988	499,588	536,988	499,588
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	17,231	0	0	17,231	14,811
Exercised		0	0	0	0
LTIP Units Outstanding, end of period		264,251	195,009	264,251	195,009
OP LTIP Units Unvested and Outstanding end of period		92,781	60,939	92,781	60,939
OP LTIP Units Vested and Outstanding end of period		171,470	134,070	171,470	134,070