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Fair Value - Assets Measured at Fair Value (Details) - Non-Recurring - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Impaired loans | $ 1,085 | $ 1,603 | $ 3,783 | $ 3,982
Gain (loss) on impaired loans | 0 | 0 | (111) | (332)
Other real estate owned | 333 | 1,520 | 1,870 | 2,030
Gain (loss) on other real estate owned | 6 | (100) | (15) | (282)
Level 1 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Impaired loans | 0 | 0 | 0 | 0
Other real estate owned | 0 | 0 | 0 | 0
Level 2 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Impaired loans | 1,085 | 1,603 | 3,783 | 3,982
Other real estate owned | 333 | 1,520 | 1,870 | 2,030
Level 3 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Impaired loans | 0 | 0 | 0 | 0
Other real estate owned | $ 0 | $ 0 | $ 0 | $ 0

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- Definition Refers to gain loss on other real estate owned incurred during the period. + References No definition available. + Details
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- Definition Refers to gain loss on collateral dependent impaired loans incurred during the period. + References No definition available. + Details
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- Definition Refers to fair value amount of collateral dependent impaired loans as of balance sheet date. + References No definition available. + Details
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