XML 103 R88.htm IDEA: XBRL DOCUMENT v3.20.4
Other assets - Unpaid Principal Balances (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Other assets    
Unpaid principal balances of mortgage loans serviced for others $ 166,472 $ 159,587