XML 101 R91.htm IDEA: XBRL DOCUMENT v3.19.2
Commitments and Contingencies (Narrative) (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Commitments to extend credit on standby letters of credit [Member] | Commitments to extend credit [Member]    
Commitments and Contingencies Disclosure [Line Items]    
Contract amount $ 9,189 $ 7,706