Equity and Earnings per Common Share, Equity Incentive Plan (Details) - USD ($)			3 Months Ended				6 Months Ended
		Jun. 04, 2018	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Equity Incentive Plan Information [Abstract]
Shares of Common Stock Issued, number of securities issued or to be issued upon exercise (in shares)		(338,857)
Number of Securities Remaining Available for Future Issuance under Equity Compensation Plans, Beginning Balance (in shares)			1,032,453	1,082,253	1,114,149	1,156,049	1,082,253	1,156,049
Number of Securities Remaining Available for Future Issuance under Equity Compensation Plans, Ending Balance (in shares)			1,012,239	1,032,453	1,082,253	1,114,149	1,012,239	1,082,253
Weighted Average Issuance Price (in dollars per share)		$ 0.01
January 2, 2020 [Member]
Equity Incentive Plan Information [Abstract]
Number of Securities Remaining Available for Future Issuance under Equity Compensation Plans During the Period (in shares)						(41,900)
Weighted Average Issuance Price (in dollars per share)						$ 14.55
March 16, 2020 [Member]
Equity Incentive Plan Information [Abstract]
Number of Securities Remaining Available for Future Issuance under Equity Compensation Plans During the Period (in shares)						0
Weighted Average Issuance Price (in dollars per share)						$ 8.01
April 28, 2020 [Member]
Equity Incentive Plan Information [Abstract]
Number of Securities Remaining Available for Future Issuance under Equity Compensation Plans During the Period (in shares)					(9,672)
Weighted Average Issuance Price (in dollars per share)					$ 6.27			$ 6.27
June 18, 2020 [Member]
Equity Incentive Plan Information [Abstract]
Number of Securities Remaining Available for Future Issuance under Equity Compensation Plans During the Period (in shares)					(22,224)
Weighted Average Issuance Price (in dollars per share)					$ 9.18			$ 9.18
January 4, 2021 [Member]
Equity Incentive Plan Information [Abstract]
Number of Securities Remaining Available for Future Issuance under Equity Compensation Plans During the Period (in shares)				(49,800)
Weighted Average Issuance Price (in dollars per share)						8.81
January 29, 2021 [Member]
Equity Incentive Plan Information [Abstract]
Number of Securities Remaining Available for Future Issuance under Equity Compensation Plans During the Period (in shares)				0
Weighted Average Issuance Price (in dollars per share)						$ 9.00
June 17, 2021 [Member]
Equity Incentive Plan Information [Abstract]
Number of Securities Remaining Available for Future Issuance under Equity Compensation Plans During the Period (in shares)			(20,214)
Weighted Average Issuance Price (in dollars per share)			$ 10.39				$ 10.39
LTIP-OP Units [Member]
Equity Incentive Plan Information [Abstract]
LTIP-OP unit vesting period							3 years
LTIP-OP Units, Beginning Balance (in shares)			(391,647)	(341,847)	(332,175)	(290,275)	(341,847)	(290,275)
LTIP-OP Units, Ending Balance (in shares)			(391,647)	(391,647)	(341,847)	(332,175)	(391,647)	(341,847)
LTIP-OP Units Forfeited, Beginning Balance (in shares)			916	916	916	916	916	916
LTIP-OP Units Forfeited, Ending Balance (in shares)			916	916	916	916	916	916
LTIP-OP Units Converted, Beginning Balance (in shares)			44,795	28,417	28,417	18,917	28,417	18,917
LTIP-OP Units Converted, Ending Balance (in shares)			44,795	44,795	28,417	28,417	44,795	28,417
LTIP-OP Units Redeemed, Beginning Balance (in shares)			0	0	0	0	0	0
LTIP-OP Units Redeemed, Ending Balance (in shares)			6,854	0	0	0	6,854	0
Share-based compensation expense recognized			$ 333,000		$ 359,000		$ 626,000	$ 675,000
Unrecognized share-based compensation expense			$ 945,000				$ 945,000
LTIP-OP Units [Member] | January 2, 2020 [Member]
Equity Incentive Plan Information [Abstract]
LTIP-OP Units, number of securities issued or to be issued upon exercise (in shares)	[1]					(41,900)
LTIP-OP Units Forfeited, number of securities issued or to be issued upon exercise (in shares)						0
LTIP-OP Units Converted, number of securities issued or to be issued upon exercise (in shares)						0
LTIP-OP Units Redeemed, number of securities issued or to be issued upon exercise (in shares)						0
LTIP-OP Units [Member] | March 16, 2020 [Member]
Equity Incentive Plan Information [Abstract]
LTIP-OP Units, number of securities issued or to be issued upon exercise (in shares)						0
LTIP-OP Units Forfeited, number of securities issued or to be issued upon exercise (in shares)						0
LTIP-OP Units Converted, number of securities issued or to be issued upon exercise (in shares)						9,500
LTIP-OP Units Redeemed, number of securities issued or to be issued upon exercise (in shares)						0
LTIP-OP Units [Member] | April 28, 2020 [Member]
Equity Incentive Plan Information [Abstract]
LTIP-OP Units, number of securities issued or to be issued upon exercise (in shares)	[1]				(9,672)
LTIP-OP Units Forfeited, number of securities issued or to be issued upon exercise (in shares)					0
LTIP-OP Units Converted, number of securities issued or to be issued upon exercise (in shares)					0
LTIP-OP Units Redeemed, number of securities issued or to be issued upon exercise (in shares)					0
LTIP-OP Units [Member] | June 18, 2020 [Member]
Equity Incentive Plan Information [Abstract]
LTIP-OP Units, number of securities issued or to be issued upon exercise (in shares)					0
LTIP-OP Units Forfeited, number of securities issued or to be issued upon exercise (in shares)					0
LTIP-OP Units Converted, number of securities issued or to be issued upon exercise (in shares)					0
LTIP-OP Units Redeemed, number of securities issued or to be issued upon exercise (in shares)					0
LTIP-OP Units [Member] | January 4, 2021 [Member]
Equity Incentive Plan Information [Abstract]
LTIP-OP Units, number of securities issued or to be issued upon exercise (in shares)	[2]			(49,800)
LTIP-OP Units Forfeited, number of securities issued or to be issued upon exercise (in shares)				0
LTIP-OP Units Converted, number of securities issued or to be issued upon exercise (in shares)				0
LTIP-OP Units Redeemed, number of securities issued or to be issued upon exercise (in shares)				0
LTIP-OP Units [Member] | January 29, 2021 [Member]
Equity Incentive Plan Information [Abstract]
LTIP-OP Units, number of securities issued or to be issued upon exercise (in shares)				0
LTIP-OP Units Forfeited, number of securities issued or to be issued upon exercise (in shares)				0
LTIP-OP Units Converted, number of securities issued or to be issued upon exercise (in shares)				16,378
LTIP-OP Units Redeemed, number of securities issued or to be issued upon exercise (in shares)				0
LTIP-OP Units [Member] | April 6, 2021 [Member]
Equity Incentive Plan Information [Abstract]
LTIP-OP Units, Ending Balance (in shares)			0				0
LTIP-OP Units Forfeited, Ending Balance (in shares)			0				0
LTIP-OP Units Converted, Ending Balance (in shares)			0				0
LTIP-OP Units Redeemed, Number of securities redeemed (in shares)			3,500
Shares of Common Stock Issued, Ending Balance (in shares)			0				0
Shares of Common Stock Forfeited, Ending Balance (in shares)			0				0
Number of Securities Remaining Available for Future Issuance under Equity Compensation Plans, Ending Balance (in shares)			0				0
Weighted Average Issuance Price (in dollars per share)			$ 9.53				$ 9.53
LTIP-OP Units [Member] | June 13, 2021 [Member]
Equity Incentive Plan Information [Abstract]
LTIP-OP Units, Ending Balance (in shares)			0				0
LTIP-OP Units Forfeited, Ending Balance (in shares)			0				0
LTIP-OP Units Converted, Ending Balance (in shares)			0				0
LTIP-OP Units Redeemed, Number of securities redeemed (in shares)			3,354
Shares of Common Stock Issued, Ending Balance (in shares)			0				0
Shares of Common Stock Forfeited, Ending Balance (in shares)			0				0
Number of Securities Remaining Available for Future Issuance under Equity Compensation Plans, Ending Balance (in shares)			0				0
Weighted Average Issuance Price (in dollars per share)			$ 10.48				$ 10.48
LTIP-OP Units [Member] | June 17, 2021 [Member]
Equity Incentive Plan Information [Abstract]
LTIP-OP Units, number of securities issued or to be issued upon exercise (in shares)			0
LTIP-OP Units Forfeited, number of securities issued or to be issued upon exercise (in shares)			0
LTIP-OP Units Converted, number of securities issued or to be issued upon exercise (in shares)			0
LTIP-OP Units Redeemed, number of securities issued or to be issued upon exercise (in shares)			0
LTIP-OP Units [Member] | Maximum [Member]
Equity Incentive Plan Information [Abstract]
Period of recognition of unrecognized share-based compensation expense							3 years
Common Stock [Member]
Equity Incentive Plan Information [Abstract]
Shares of Common Stock Issued, Beginning Balance (in shares)			(124,766)	(108,388)	(86,164)	(76,664)	(108,388)	(76,664)
Shares of Common Stock Issued, Ending Balance (in shares)			(144,980)	(124,766)	(108,388)	(86,164)	(144,980)	(108,388)
Shares of Common Stock Forfeited, Beginning Balance (in shares)			3,155	3,155	3,155	3,155	3,155	3,155
Shares of Common Stock Forfeited, Ending Balance (in shares)			3,155	3,155	3,155	3,155	3,155	3,155
Common Stock [Member] | January 2, 2020 [Member]
Equity Incentive Plan Information [Abstract]
Shares of Common Stock Issued, number of securities issued or to be issued upon exercise (in shares)						0
Shares of Common Stock Forfeited, number of securities issued or to be issued upon exercise (in shares)						0
Common Stock [Member] | March 16, 2020 [Member]
Equity Incentive Plan Information [Abstract]
Shares of Common Stock Issued, number of securities issued or to be issued upon exercise (in shares)						(9,500)
Shares of Common Stock Forfeited, number of securities issued or to be issued upon exercise (in shares)						0
Common Stock [Member] | April 28, 2020 [Member]
Equity Incentive Plan Information [Abstract]
Shares of Common Stock Issued, number of securities issued or to be issued upon exercise (in shares)					0
Shares of Common Stock Forfeited, number of securities issued or to be issued upon exercise (in shares)					0
Common Stock [Member] | June 18, 2020 [Member]
Equity Incentive Plan Information [Abstract]
Shares of Common Stock Issued, number of securities issued or to be issued upon exercise (in shares)					(22,224)
Shares of Common Stock Forfeited, number of securities issued or to be issued upon exercise (in shares)					0
Common Stock [Member] | January 4, 2021 [Member]
Equity Incentive Plan Information [Abstract]
Shares of Common Stock Issued, number of securities issued or to be issued upon exercise (in shares)				0
Shares of Common Stock Forfeited, number of securities issued or to be issued upon exercise (in shares)				0
Common Stock [Member] | January 29, 2021 [Member]
Equity Incentive Plan Information [Abstract]
Shares of Common Stock Issued, number of securities issued or to be issued upon exercise (in shares)				(16,378)
Shares of Common Stock Forfeited, number of securities issued or to be issued upon exercise (in shares)				0
Common Stock [Member] | June 17, 2021 [Member]
Equity Incentive Plan Information [Abstract]
Shares of Common Stock Issued, number of securities issued or to be issued upon exercise (in shares)			(20,214)
Shares of Common Stock Forfeited, number of securities issued or to be issued upon exercise (in shares)			0
2013 Plan [Member] | LTIP-OP Units [Member]
Equity Incentive Plan Information [Abstract]
Number of share equivalent to unit awarded (in shares)							1

[1] Subject to forfeiture in certain circumstances prior to January 2, 2023.

[2] Subject to forfeiture in certain circumstances prior to January 4, 2024.