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v3.20.4

Unfunded Loan Commitments (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Credit Loss [Abstract] |  |  |  |
Contractual obligation |  | $ 1,700,000 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Beginning Balance | $ 441,912 | 441,912 | $ 341,121 | $ 251,475
Provision/New commitments - net | 121,000 | 93,133 |  |
Transfer - funded loans |  | (245,043) | (284,114) | (175,526)
Ending Balance |  | 1,361,723 | 441,912 | 341,121
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Beginning Balance | 1,584,965 | 1,584,965 |  |
Day 1 adjustment for the adoption of CECL |  |  | 1,143,053 |
Ending Balance |  |  | 1,584,965 |
Unfunded Loan Commitment |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Beginning Balance | 1,910,603 | 1,910,603 | 2,010,744 | 1,838,840
Provision/New commitments - net |  | 5,070,175 | 5,513,790 | 5,474,284
Transfer - funded loans |  | (5,307,760) | (5,613,931) | (5,302,380)
Ending Balance |  | 1,673,018 | 1,910,603 | 2,010,744
Unfunded Loan Commitment | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Beginning Balance | 1,910,603 | 1,910,603 |  |
Day 1 adjustment for the adoption of CECL |  |  | 0 |
Ending Balance |  |  | 1,910,603 |
Consumer Portfolio Segment | Unfunded Loan Commitment |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Beginning Balance | 2,481 | 2,481 | 2,165 | 1,885
Provision/New commitments - net |  | 312,613 | 6,533 | 5,611
Transfer - funded loans |  | (320,808) | (6,217) | (5,331)
Ending Balance |  | 110,044 | 2,481 | $ 2,165
Consumer Portfolio Segment | Unfunded Loan Commitment | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Beginning Balance | $ 118,239 | $ 118,239 |  |
Day 1 adjustment for the adoption of CECL |  |  | 115,758 |
Ending Balance |  |  | $ 118,239 |

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- Definition Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aaa) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121599878&loc=SL82895884-210446 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 + Details
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