XML 149 R90.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Mortgage Servicing Rights, Net - Schedule of Servicing Fees and Escrow Interest (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Transfers and Servicing [Abstract]      
Servicing fees $ 104,305 $ 103,365 $ 95,373
Escrow interest and placement fees 22,417 18,293 9,328
Ancillary fees 13,671 10,118 5,740
Total servicing fees and escrow interest $ 140,393 $ 131,776 $ 110,441