XML 93 R80.htm IDEA: XBRL DOCUMENT v3.22.4
Other assets - Unpaid Principal Balances (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Other assets    
Unpaid principal balances of mortgage loans serviced for others $ 144.7 $ 151.6