Quarterly report pursuant to Section 13 or 15(d)

Mortgage Servicing Rights - Summary of Activity of Mortgage Servicing Rights (Details)

v3.21.2
Mortgage Servicing Rights - Summary of Activity of Mortgage Servicing Rights (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Servicing Asset at Amortized Cost, Balance [Roll Forward]        
Balance — beginning of period $ 578,690 $ 336,687 $ 446,998 $ 418,402
MSRs originated and acquired through acquisitions 81,994 96,510 262,732 219,605
Changes in fair value:        
Due to collection/realization of cash flows (37,313) (31,540) (117,119) (85,270)
Due to changes in valuation model inputs or assumptions 1,778 (9,466) 32,538 (160,546)
Balance — end of period $ 625,149 $ 392,191 $ 625,149 $ 392,191