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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
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Beginning balance | $ (22,795) | $ (31,540)
Net income | (511) | 135
Purchases | 0 | 0
Sales | 0 | 0
Settlements | 2,416 | 2,435
Net transfers into/(out of) Level 3 | 0 | 0
Ending balance | (20,890) | (28,970)
Net unrealized gains/(losses) included in net income | (511) | 135
Trading securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | 941 | 1,524
Net income | (156) | 21
Purchases | 0 | 0
Sales | 0 | 0
Settlements | 0 | (148)
Net transfers into/(out of) Level 3 | 0 | 0
Ending balance | 785 | 1,397
Net unrealized gains/(losses) included in net income | 0 | (30)
Interest- only strips- AFS |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | 19,136 | 9,902
Net income | (1,295) | (1,258)
Purchases | 5,481 | 86
Sales | (8,703) | (13,012)
Settlements | 0 | 0
Net transfers into/(out of) Level 3 | 8,485 | 17,477
Ending balance | 23,104 | 13,195
Net unrealized gains/(losses) included in net income | (865) | (894)
Loans held- for-sale |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | 14,033 | 16,273
Net income | 329 | 495
Purchases | 0 | 0
Sales | 0 | 0
Settlements | (778) | (1,017)
Net transfers into/(out of) Level 3 | 0 | 0
Ending balance | 13,584 | 15,751
Net unrealized gains/(losses) included in net income | $ 329 | $ 495

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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 gain (loss) recognized in income from derivative asset (liability) after deduction of derivative liability (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 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258 + Details
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