Loans held for sale (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Financing Receivable, Allowance for Credit Loss [Line Items] | |||
| Loans held for sale, at fair value | $ 899,173 | $ 262,518 | |
| Mortgage Loans | |||
| Financing Receivable, Allowance for Credit Loss [Line Items] | |||
| Net gains (losses) from fair value changes of mortgage loans | 24,233 | (2,861) | $ (4,539) |
| Commercial and industrial | |||
| Financing Receivable, Allowance for Credit Loss [Line Items] | |||
| Net gains (losses) from fair value changes of mortgage loans | 3,228 | ||
| Loans held for sale, at fair value | 215,403 | 0 | |
| Residential real estate | 1-to-4 family mortgage | |||
| Financing Receivable, Allowance for Credit Loss [Line Items] | |||
| Loans held for sale, at fair value | $ 683,770 | $ 262,518 | |