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Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Other Comprehensive Income [Abstract] |  |  |  |
Unrealized gains on available-for-sale securities, taxes | $ 64 | $ (3,444) | $ 2,605 | $ (5,481)
Unamortized holding losses on held to maturity securities transferred from available for sale, taxes | (8) | (11) | (17) | (22)
Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Writedown Of Securities Included In Net Income Tax | $ 255 | $ 131 | $ 261 | $ 131

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- Definition Tax effect of the income statement impact of the reclassification adjustment for unrealized gain (loss) realized upon the sale or write-down of available-for-sale securities. + References No definition available. + Details
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- Definition Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) related to transfers of securities into the held-to-maturity and out of the available-for-sale category. + References No definition available. + Details
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- Definition Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e640-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e,f) -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580 + Details
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