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Foreclosed Assets - Summary of Expenses Related to Foreclosed Real Estate (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Banking and Thrift [Abstract] |  |  |
Net (gain) loss on sale | $ (208) | $ (134) | $ 3
Operating expenses, net of rental income | 366 | 223 | 169
Total | $ 158 | $ 89 | $ 172

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- Definition Foreclosed real estate gain loss on sale. + References No definition available. + Details
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- Definition Foreclosed real estate gain loss on sale net. + References No definition available. + Details
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- Definition Foreclosed real estate operating expense net. + References No definition available. + Details
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- References No definition available. + Details
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