XML 28 R40.htm IDEA: XBRL DOCUMENT v3.20.1
Disclosure Regarding Fair Value of Financial Statements (Details 3) - Appraisals and/or Sales [Member] - Discount Rate [Member]
Mar. 31, 2020
Dec. 31, 2019
Minimum [Member]    
Impaired loans 0.10 0.10
Maximum [Member]    
Impaired loans 0.20 0.20