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Fair Value of Assets & Liabilities - Summary Of Changes In Level 3 Assets And Liabilities Measured At Fair Value (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Beginning balance | $ (20,890) | $ (28,970) | $ (22,795) | $ (31,540)
Net income | (201) | (19) | (712) | 116
Purchases | 0 | 0 | 0 | 0
Sales | 0 | 0 | 0 | 0
Settlements | 2,446 | 2,444 | 4,862 | 4,879
Net transfers into/(out of) Level 3 | 0 | 0 | 0 | 0
Ending balance | (18,645) | (26,545) | (18,645) | (26,545)
Net unrealized gains/(losses) included in net income | (201) | (19) | (712) | 116
Trading securities |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 785 | 1,397 | 941 | 1,524
Net income | (157) | 8 | (313) | 29
Purchases | 0 | 0 | 0 | 0
Sales | 0 | 0 | 0 | 0
Settlements | 0 | (150) | 0 | (298)
Net transfers into/(out of) Level 3 | 0 | 0 | 0 | 0
Ending balance | 628 | 1,255 | 628 | 1,255
Net unrealized gains/(losses) included in net income | 0 | (36) | 0 | (66)
Interest- only strips- AFS |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 23,104 | 13,195 | 19,136 | 9,902
Net income | (1,233) | (141) | (2,528) | (1,399)
Purchases | 0 | 0 | 5,481 | 86
Sales | 0 | (14,199) | (8,703) | (27,211)
Settlements | 0 | 0 | 0 | 0
Net transfers into/(out of) Level 3 | 3,575 | 18,937 | 12,060 | 36,414
Ending balance | 25,446 | 17,792 | 25,446 | 17,792
Net unrealized gains/(losses) included in net income | (959) | (543) | (1,813) | (1,435)
Loans held- for-sale |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 13,584 | 15,751 | 14,033 | 16,273
Net income | 422 | 321 | 751 | 816
Purchases | 0 | 10 | 0 | 10
Sales | 0 | 0 | 0 | 0
Settlements | (743) | (990) | (1,521) | (2,007)
Net transfers into/(out of) Level 3 | 0 | 0 | 0 | 0
Ending balance | 13,263 | 15,092 | 13,263 | 15,092
Net unrealized gains/(losses) included in net income | $ 422 | $ 321 | $ 751 | $ 816

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- Definition Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Amount of unrealized gain (loss) recognized in income for derivative asset (liability) after deduction of derivative liability (asset), measured at fair value using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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