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Short Term Borrowings (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Lines Of Credit Facility |  |
Established Lines at Year-End | $ 60,000 | $ 60,000
Maximum Amount Outstanding | 13,100 | 19,000
Average Outstanding | 7,400 | 15,300
Notes Payable at Year-End | $ 12,000 | $ 3,000
Weighted Average Interest Rate | 1.54% | 1.19%
Weighted Average Interest Rate at Year-End | 1.71% | 1.41%

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