Preferred Stock and Units - Schedule of Series of Cumulative Redeemable Perpetual Preferred Units (Detail) - Sotherly Hotels LP [Member] - $ / shares	1 Months Ended						9 Months Ended	12 Months Ended
	Sep. 30, 2019	May 31, 2019	Apr. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Oct. 30, 2017	Sep. 30, 2020	Dec. 31, 2019
8% Series B Cumulative Redeemable Perpetual Preferred Units [Member]
Preferred Units [Line Items]
Preferred Units, Per Annum Rate							8.00%	8.00%
Preferred Units, Liquidation Preference							$ 25	$ 25
Preferred Units, Number of Units Issued							1,610,000	1,610,000
Preferred Units, Number of Units Outstanding							1,610,000	1,610,000
Preferred Units, Quarterly Distributions Per Unit							$ 0.500000
7.875% Series C Cumulative Redeemable Perpetual Preferred Units [Member]
Preferred Units [Line Items]
Preferred Units, Per Annum Rate				7.875%	7.875%	7.875%	7.875%	7.875%
Preferred Units, Liquidation Preference							$ 25	$ 25
Preferred Units, Number of Units Issued							1,554,610	1,554,610
Preferred Units, Number of Units Outstanding							1,554,610	1,554,610
Preferred Units, Quarterly Distributions Per Unit							$ 0.492188
8.25% Series D Cumulative Redeemable Perpetual Preferred Units [Member]
Preferred Units [Line Items]
Preferred Units, Per Annum Rate	7.875%	8.25%	8.25%				8.25%	8.25%
Preferred Units, Liquidation Preference							$ 25	$ 25
Preferred Units, Number of Units Issued							1,200,000	1,200,000
Preferred Units, Number of Units Outstanding							1,200,000	1,200,000
Preferred Units, Quarterly Distributions Per Unit							$ 0.515625