XML 98 R83.htm IDEA: XBRL DOCUMENT v3.21.2
DEBT - Mortgage Notes Payable (FY) (Details) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Short-term Debt [Line Items]      
Carrying Value $ 184,465,909 $ 181,904,194  
Fair Value 184,187,667 177,573,106  
Mortgage Notes Payable      
Short-term Debt [Line Items]      
Face Value   176,948,438 $ 195,739,481
Carrying Value $ 181,576,606 175,925,918 194,039,207
Fair Value   $ 177,573,106 $ 200,535,334