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Common Stock and Units - Additional Information (Detail)
3 Months Ended 15 Months Ended
Feb. 04, 2021
shares
Dec. 17, 2020
shares
Dec. 01, 2020
shares
May 01, 2020
shares
Feb. 03, 2020
shares
Jan. 01, 2020
shares
Mar. 31, 2021
USD ($)
$ / shares
shares
Mar. 31, 2020
shares
Mar. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Class of Stock [Line Items]                    
Common stock, shares authorized             69,000,000   69,000,000 69,000,000
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.      
Common stock, shares outstanding             15,175,231   15,175,231 15,023,850
Common stock exchange ratio             1   1  
Redemption of units in operating partnership                 0  
Operating Partnership common units not owned             1,166,401   1,166,401 1,166,501
Unpaid common dividends and distributions amount to holders | $             $ 2,088,161   $ 2,088,161  
Sotherly Hotels LP [Member]                    
Class of Stock [Line Items]                    
Operating Partnership common units outstanding             16,341,632   16,341,632 16,190,351
Fair market value | $             $ 4,100,000   $ 4,100,000 $ 2,900,000
Common Stock [Member]                    
Class of Stock [Line Items]                    
Conversion of units in Operating Partnership to shares of common stock, shares 100   15,000 57,687   488,952 100 488,952    
Restricted shares issued         17,250 45,000 15,000 60,000    
Unrestricted shares issued 136,281                  
Common Stock [Member] | Sotherly Hotels LP [Member]                    
Class of Stock [Line Items]                    
Number of issued unit in Operating Partnership 15,000 127,583