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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, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Beginning balance | $ (28,970) | $ (5,645) | $ (31,540) | $ (5,645)
Net income | (19) | (4,079) | 116 | (4,375)
Purchases | 0 | 0 | 0 | 0
Sales | 0 | 0 | 0 | 0
Settlements | 2,444 | 299 | 4,879 | 595
Net transfers into/(out of) Level 3 | 0 | 0 | 0 | 0
Ending balance | (26,545) | (9,425) | (26,545) | (9,425)
Net unrealized gains/(losses) included in net income | (19) | (4,079) | 116 | (4,375)
Trading securities |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 1,397 | 1,926 | 1,524 | 2,151
Net income | 8 | 124 | 29 | 140
Purchases | 0 | 0 | 0 | 0
Sales | 0 | 0 | 0 | 0
Settlements | (150) | (326) | (298) | (567)
Net transfers into/(out of) Level 3 | 0 | 0 | 0 | 0
Ending balance | 1,255 | 1,724 | 1,255 | 1,724
Net unrealized gains/(losses) included in net income | (36) | 87 | (66) | 63
Interest- only strips- AFS |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 13,195 | 2,733 | 9,902 | 1,270
Net income | (141) | (296) | (1,399) | 1,296
Purchases | 0 | 0 | 86 | 0
Sales | (14,199) | 0 | (27,211) | 0
Settlements | 0 | 0 | 0 | (9,193)
Net transfers into/(out of) Level 3 | 18,937 | 3,350 | 36,414 | 12,414
Ending balance | 17,792 | 5,787 | 17,792 | 5,787
Net unrealized gains/(losses) included in net income | (543) | (128) | (1,435) | (109)
Loans held- for-sale |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 15,751 | 18,334 | 16,273 | 18,926
Net income | 321 | 540 | 816 | 709
Purchases | 10 | 34 | 10 | 62
Sales | 0 | 0 | 0 | 0
Settlements | (990) | (2,134) | (2,007) | (2,923)
Net transfers into/(out of) Level 3 | 0 | (56) | 0 | (56)
Ending balance | 15,092 | 16,718 | 15,092 | 16,718
Net unrealized gains/(losses) included in net income | $ 321 | $ 542 | $ 816 | $ 709

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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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