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Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) | Jun. 30, 2019 | Dec. 31, 2018 | Jun. 30, 2018
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Assets |  |  |
Securities to be held to maturity, fair value | $ 308,075,000 | $ 250,900,000 | $ 256,316,000

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- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563 + Details
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