XML 53 R42.htm IDEA: XBRL DOCUMENT v3.8.0.1
Employee Benefits (Details) - USD ($)
9 Months Ended
Sep. 30, 2017
Dec. 31, 2017
Mar. 24, 2017
Dec. 31, 2016
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]        
Employee stock ownership plan, shares 334,997   350,000 0
Employee stock ownership plan, share purchase price $ 10.00      
Contributions to the ESOP, cash $ 0      
Contributions to the ESOP, shares 0      
Compensation expense $ 262,150      
Shares committed to be released 2,240      
Scenario, Forecast [Member]        
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]        
Shares committed to be released   15,003