XML 56 R38.htm IDEA: XBRL DOCUMENT v3.19.3
Investment and Mortgage-Backed Securities, Held to Maturity (Schedule of investment and mortgage-backed securities held to maturity) (Details) - USD ($)
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Schedule of Held-to-maturity Securities [Line Items]      
Held to maturity, gross unrealized gains $ 537,823    
Debt Securities, Held-to-maturity, Amortized Cost, before Other-than-temporary Impairment 21,416,599    
Held to maturity, gross unrealized losses 1,222    
Debt Securities, Held-to-maturity, Fair Value 21,953,200   $ 23,249,400
Available-for-sale Securities, Gross Realized Losses 288,000 $ 67,000  
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member]      
Schedule of Held-to-maturity Securities [Line Items]      
Debt Securities, Held-to-maturity 998,880    
Held to maturity, gross unrealized gains 1,548    
Held to maturity, gross unrealized losses 0    
Debt Securities, Held-to-maturity, Fair Value 1,000,428    
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]      
Schedule of Held-to-maturity Securities [Line Items]      
Debt Securities, Held-to-maturity 20,417,719    
Held to maturity, gross unrealized gains 536,275    
Held to maturity, gross unrealized losses 1,222    
Debt Securities, Held-to-maturity, Fair Value $ 20,952,772