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Fair Value of Assets and Liabilities - Schedule of Losses Resulting from Nonrecurring Fair Value Adjustments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Total loss from nonrecurring measurements | $ 1,194 | $ 366 | $ 1,240 | $ 378
Loans measured for impairment |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Total loss from nonrecurring measurements | 1,120 | 309 | 900 | 191
Other real estate owned |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Total loss from nonrecurring measurements | $ 74 | $ 57 | $ 340 | $ 187

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