Annual report pursuant to Section 13 and 15(d)

Rollforward of Mortgage Servicing Rights, at Fair Value (Details)

v3.19.3.a.u2
Rollforward of Mortgage Servicing Rights, at Fair Value (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Servicing Asset at Fair Value, Amount [Roll Forward]      
Mortgage servicing rights, at fair value, at beginning of period $ 1,993,440 $ 1,086,717 $ 693,815
Purchases of mortgage servicing rights 627,815 988,283 499,866
Additions from sales of residential mortgage loans 0 0 20
Sales of mortgage servicing rights 2,306 0 946
Changes in valuation inputs or assumptions used in the valuation model (390,149) 80,209 6,339
Other changes in fair value (307,918) (149,879) (96,781)
Other changes (16,050) (11,890) (15,596)
Mortgage servicing rights, at fair value, at end of period 1,909,444 1,993,440 $ 1,086,717
Mortgage servicing rights, at fair value, pledged as collateral for borrowings $ 1,600,000 $ 1,100,000