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Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Parenthetical) (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract] |  |
Unrealized losses on available for sale securities, income tax benefit | $ 183 | $ 157
Unrealized gain on interest rate swaps, income tax expense | $ 213 | $ 419

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- Definition Accumulated Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax + References No definition available. + Details
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