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Equity - Quarterly Distributions Declared and Payable by Operating Partnership (Detail) - $ / shares
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Sotherly Hotels LP [Member]                        
Class of Stock [Line Items]                        
Dividends payable amount per share $ 0.080 $ 0.080 $ 0.075 $ 0.070 $ 0.065 $ 0.065 $ 0.050 $ 0.045 $ 0.045 $ 0.040 $ 0.035 $ 0.035