XML 30 R57.htm IDEA: XBRL DOCUMENT v3.19.2
REAL ESTATE INVESTMENTS - Rental Payments for Operating Leases (FY) (Details) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
Real Estate [Abstract]    
2019 $ 17,834,035 $ 17,588,378
2020 16,752,518 17,834,035
2021 15,520,338 16,752,518
2022 13,317,933 15,520,338
2023 12,958,858 13,317,933
Thereafter 46,224,832 59,183,690
Total $ 131,447,201 $ 140,196,892