Annual report pursuant to Section 13 and 15(d)

Revolving Credit Facilities (Details)

v3.19.1
Revolving Credit Facilities (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Short-term Debt [Line Items]    
Revolving credit facilities $ 310,000 $ 20,000
Weighted average borrowing rate 5.60% 5.14%
Weighted average remaining maturity 4 years 3 months 11 months 15 days
Mortgage servicing rights, at fair value, pledged as collateral for borrowings $ 1,100,000 $ 600,000
Short-term Debt [Member]    
Short-term Debt [Line Items]    
Mortgage servicing rights, at fair value, pledged as collateral for borrowings $ 458,200 $ 159,500