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Commitments And Contingencies (Tables)
 6 Months Ended
Jun. 30, 2021
Commitments and Contingencies Disclosure [Abstract]  
Summary of the Total Unfunded, or Off-Balance Sheet, Credit Extension Commitments
A summary of the total unfunded, or off-balance sheet, credit extension commitments follows:
Dollars in thousandsJune 30,
2021
Commitments to extend credit: 
Revolving home equity and credit card lines$92,035 
Construction loans162,749 
Other loans280,803 
Standby letters of credit22,459 
Total$558,046