XML 69 R59.htm IDEA: XBRL DOCUMENT v3.10.0.1
Restricted Investment in Bank Stock (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Restricted Investment in Bank Stock [Abstract]        
Cash Dividends $ 72,448 $ 61,637 $ 207,791 $ 188,126