XML 62 R65.htm IDEA: XBRL DOCUMENT v3.20.1
Bank segment - Other borrowings (Details) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Offsetting Liabilities [Line Items]    
FHLB advances   $ 0
Federal funds purchased $ 50,000,000.0 0
Gross amount of recognized liabilities 81,000,000 115,000,000
Gross amount offset in the Balance Sheets 0 0
Securities sold under agreements to repurchase 81,000,000 115,000,000
Commercial account holders    
Offsetting Liabilities [Line Items]    
Securities sold under agreements to repurchase 81,000,000 115,000,000
Securities sold under agreements to repurchase collateral, financial instruments 105,000,000 130,000,000
Securities sold under agreements to repurchase, cash collateral pledged 0 0
American Savings Bank (ASB)    
Offsetting Liabilities [Line Items]    
FHLB advances 27,000,000.0  
Securities sold under agreements to repurchase $ 80,600,000 $ 115,000,000