Long-Term Incentive Plan Units (Roll-Forward of Company's LTIP Units Outstanding) (Details) - Long-Term Incentive Plan Units [Member] - shares				12 Months Ended
	Nov. 29, 2019	Nov. 14, 2019	Sep. 12, 2019	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
LTIP Units Outstanding, beginning of period				521,371	491,159
Granted				37,437	33,546
Exercised				(13,092)	(3,334)
LTIP Units Outstanding, end of period				545,716	521,371
OP LTIP Units Unvested and Outstanding end of period				46,128
OP LTIP Units Vested and Outstanding end of period				499,588	481,939
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	(1,874)	(7,608)		(9,482)	0
LTIP Units Outstanding, end of period				365,518	375,000
OP LTIP Units Unvested and Outstanding end of period				0
OP LTIP Units Vested and Outstanding end of period				365,518	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				146,371	116,159
Granted				37,437	33,546
Exercised			(3,610)	(3,610)	(3,334)
LTIP Units Outstanding, end of period				180,198	146,371
OP LTIP Units Unvested and Outstanding end of period				46,128
OP LTIP Units Vested and Outstanding end of period				134,070	106,939