Consolidated Balance Sheets (Parenthetical) - $ / shares	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Preferred stock, shares authorized	11,000,000	11,000,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	49,000,000	49,000,000
Common stock, shares issued	14,209,378	14,078,831
Common stock, shares outstanding	14,209,378	14,078,831
Sotherly Hotels LP [Member]
General Partner, units issued	159,876	158,570
General Partner, units outstanding	159,876	158,570
Limited Partner, units issued	15,827,642	15,698,401
Limited Partner, units outstanding	15,827,642	15,698,401
Sotherly Hotels LP [Member] | 8% Series B Cumulative Redeemable Perpetual Preferred Units [Member]
Preferred units, par value	$ 0.01	$ 0.01
Preferred units, authorized	11,000,000	11,000,000
Preferred units, dividend rate percentage	8.00%	8.00%
Preferred units, liquidation preference per units	$ 25	$ 25
Preferred units, issued	1,610,000	1,610,000
Preferred units, outstanding	1,610,000	1,610,000
Sotherly Hotels LP [Member] | 7.875% Series C Cumulative Redeemable Perpetual Preferred Units [Member]
Preferred units, par value	$ 0.01	$ 0.01
Preferred units, authorized	11,000,000	11,000,000
Preferred units, dividend rate percentage	7.875%	7.875%
Preferred units, liquidation preference per units	$ 25	$ 25
Preferred units, issued	1,350,541	1,300,000
Preferred units, outstanding	1,350,541	1,300,000
8.0% Series B Cumulative Redeemable Perpetual Preferred Stock [Member]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	11,000,000	11,000,000
Preferred stock, dividend rate percentage	8.00%	8.00%
Preferred stock, liquidation preference per share	$ 25	$ 25
Preferred stock, shares issued	1,610,000	1,610,000
Preferred stock, shares outstanding	1,610,000	1,610,000
7.875% Series C Cumulative Redeemable Perpetual Preferred Stock [Member]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	11,000,000	11,000,000
Preferred stock, dividend rate percentage	7.875%	7.875%
Preferred stock, liquidation preference per share	$ 25	$ 25
Preferred stock, shares issued	1,350,541	1,300,000
Preferred stock, shares outstanding	1,350,541	1,300,000