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Borrowed Funds (Tables)
9 Months Ended
Sep. 30, 2020
Borrowed Funds [Abstract]  
Summary of Short Term Borrowings

(Dollars in thousands)

Nine Months
Ended
September 30, 2020

Year Ended
December 31, 2019

Securities sold under agreements to repurchase:

Outstanding at end of period

$

52,589

$

48,728

Weighted average interest rate at end of period

0.18%

0.23%

Maximum amount outstanding as of any month end

$

52,589

$

50,345

Average amount outstanding

$

43,895

$

39,778

Approximate weighted average rate during the period

0.21%

0.28%