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Loans and Leases Receivable and Allowance for Loan and Lease Losses - Schedule of Loan Purchases and Sales (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Payments to acquire loans receivable | $ 1,164,119 | $ 398,468 | $ 264,090
Value at the time of sale of loans | $ 268,872 | $ 107,119 | $ 458,192
Loans held-for-investment, purchase price as a percentage of loans outstanding | 100.30% | 99.90% | 99.40%
Gain (loss) on sale of SBA and other loans | $ 2,770 | $ 3,294 | $ 4,223
Residential real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Payments to acquire loans receivable | 105,858 | 368,402 | 264,090
Value at the time of sale of loans | 230,285 | 0 | 191,574
Other consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Payments to acquire loans receivable | 1,058,261 | 30,066 | 0
Multi-family |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Value at the time of sale of loans | 0 | 54,638 | 226,831
Commercial and industrial (including owner occupied commercial real estate) |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Value at the time of sale of loans | 22,267 | 32,263 | 19,974
Commercial real estate owner occupied |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Value at the time of sale of loans | $ 16,320 | $ 20,218 | $ 19,813

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- Definition The cash outflow for the purchase of loan receivable arising from the financing of goods and services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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