Fair Value Measurements (Details) - USD ($) $ in Thousands |
Dec. 31, 2018 |
Dec. 31, 2017 |
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Fair value measurements | ||||
Fair value carrying amount | $ 11,290 | $ 13,123 | ||
Mortgages held for sale reported at fair value | ||||
Fair value measurements | ||||
Fair value carrying amount | 11,290 | 13,123 | ||
Aggregate unpaid principal | 11,076 | 12,967 | ||
Excess of fair value carrying amount over (under) unpaid principal | [1] | $ 214 | $ 156 | |
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