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v3.20.2

Other Comprehensive Income - Summary of Components of OCI (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Equity [Abstract] |  |  |  |
Net change in fair value recorded in accumulated OCI, Before-tax | $ (1,974) | $ 5,672 | $ 33,382 | $ 44,586
Net change in fair value recorded in accumulated OCI, Tax effect | 584 | (1,677) | (9,869) | (13,181)
Net change in fair value recorded in accumulated OCI, After-tax | (1,390) | 3,995 | 23,513 | 31,405
Net realized gain (loss) reclassified into earnings Before-tax | 0 | (5) | 0 | (5)
Net realized gain reclassified into earnings Tax effect | 0 | 1 | 0 | 1
Net realized gain reclassified into earnings After-tax | 0 | (4) | 0 | (4)
Amortization of unrealized losses on securities transferred from available-for-sale to held-to-maturity, Before-tax | (30) | (249) | (48) | (1,450)
Amortization of unrealized gains (losses) on securities transferred from available-for-sale to held-to-maturity, Tax effect | 9 | 74 | 14 | 429
Amortization of unrealized losses on securities transferred from available-for-sale to held-to-maturity, After-tax | (21) | (175) | (34) | (1,021)
Net change, Before-tax | (2,004) | 5,418 | 33,334 | 43,131
Net change, Tax effect | 593 | (1,602) | (9,855) | (12,751)
Net change, After-tax | $ (1,411) | $ 3,816 | $ 23,479 | $ 30,380

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- Definition Amount, before tax and after adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580 + Details
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