XML 106 R73.htm IDEA: XBRL DOCUMENT v3.20.1
Regulatory Matters (Narrative) (Details)
12 Months Ended
Dec. 31, 2019
USD ($)
Regulatory Matters [Abstract]  
Capital conservation buffer 2.50%
Number of preceding years of retained net profits 2 years
Dividends declared without prior approval $ 15,305,000
Average reserve requirement $ 27,259,000