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Off- Balance Sheet Activities (Tables)
6 Months Ended
Jun. 30, 2020
Fair Value Disclosures [Abstract]  
Exposure to Off-balance Sheet Risk
A summary of the contractual amounts of the Company's exposure to off-balance sheet risk is as follows:
 June 30, 2020December 31, 2019
(Dollars in thousands)FixedVariableFixedVariable
Commitments to make loans$12,809  $13,910  $16,276  $20,128  
Unused lines of credit38,184  344,860  28,723  288,086  
Unused standby letters of credit and commercial letters of credit3,440  36  4,895  —