Quarterly report pursuant to Section 13 or 15(d)

Servicing Assets - Additional Information (Detail)

v3.20.1
Servicing Assets - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Transfers And Servicing [Abstract]      
Serviced loans sold to unaffiliated parties $ 422,900,000   $ 422,300,000
Servicing fee income 1,000,000.0 $ 1,100,000  
Amortization expense $ 583,000 $ 857,000