Common Stock and Units - Additional Information (Detail)						2 Months Ended	3 Months Ended	12 Months Ended
	Feb. 15, 2017 shares	Dec. 02, 2016 USD ($) $ / shares	Feb. 02, 2016 shares	Feb. 01, 2016 shares	Jan. 01, 2016 shares	Feb. 28, 2017 USD ($) shares	Mar. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) $ / shares shares
Class of Stock [Line Items]
Common stock, shares authorized							49,000,000	49,000,000
Common stock, par value | $ / shares		$ 0.01					$ 0.01	$ 0.01
Voting right							Each outstanding share of common stock entitles the holder to one vote on all matters submitted to a vote of stockholders.
Repurchased common stock, value | $								$ 3,200,000
Number of common stock shares repurchased							0	481,100
Number of common stock, shares purchased						682,500	682,500
Purchased common stock, value | $						$ 4,900,000	$ 4,900,000
Common stock, shares outstanding							13,798,051	14,468,551
Common stock exchange ratio							1
Redemption of units in operating partnership					0
Operating Partnership common units not owned							1,778,140	1,778,140
Common Stock [Member]
Class of Stock [Line Items]
Restricted shares issued							12,000
Conversion of units in Operating Partnership to shares of common stock, shares				422,687
Common Stock [Member] | Executive Officer [Member]
Class of Stock [Line Items]
Non-restricted shares issued			22,000
Common Stock [Member] | Director [Member]
Class of Stock [Line Items]
Restricted shares issued			12,000
Non-restricted shares issued			2,250
Sotherly Hotels LP [Member]
Class of Stock [Line Items]
Operating Partnership common units outstanding							16,258,691	16,246,691
Fair market value | $							$ 11,400,000	$ 12,100,000
Sotherly Hotels LP [Member] | Common Stock [Member]
Class of Stock [Line Items]
Number of issued unit in Operating Partnership	12,000		36,250
Restricted shares issued	12,000
Maximum [Member]
Class of Stock [Line Items]
Repurchased common stock, value | $		$ 10,000,000