XML 57 R45.htm IDEA: XBRL DOCUMENT v3.20.2
Securities - Narrative (Details) - USD ($)
$ in Millions
Jun. 30, 2020
Dec. 31, 2019
Collateral Pledged [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Restricted securities $ 79.5 $ 92.3