For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security.

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Loans held for sale (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Loans held for sale (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held for sale, at fair value	$ 851,951		$ 851,951		$ 262,518
Mortgage Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Net (losses) gains from fair value changes of mortgage loans	20,378	$ 3,291	6,512	$ 2,329
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held for sale, at fair value	241,256		241,256		0
Residential real estate: \| 1-to-4 family mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held for sale, at fair value	$ 610,695		$ 610,695		$ 262,518