XML 131 R120.htm IDEA: XBRL DOCUMENT v3.20.2
Commitments and Contingencies (Narratives) (Details) - USD ($)
$ in Millions
Jan. 01, 2020
Sep. 30, 2020
Dec. 31, 2019
Commitments and Contingencies [Abstract]      
Increase (Decrease) In Off-Balance Sheet Allowance $ 0.2    
Allowance For Credit Losses For Off-Balance Sheet   $ 1.1 $ 2.7
Contingency loss accrued liability   $ 9.0 $ 6.8