Fair Value Measurements (Tables)	12 Months Ended
	Dec. 31, 2021
Fair Value Measurements [Abstract]
Carrying Amount and Estimated Fair Value by Balance Sheet Grouping	December 31, 2021 Quoted prices Significant Significant in active other other Carrying Estimated markets observable inputs unobservable inputs(dollars in thousands)amount fair value (Level 1) (Level 2) (Level 3)Financial assets: Cash and cash equivalents$ 96,877  $ 96,877  $ 96,877  $ - $ -Available-for-sale debt securities 738,980  738,980  - 738,980  -Restricted investments in bank stock 3,206  3,206  - 3,206  -Loans and leases, net 1,417,504  1,404,103  - - 1,404,103 Loans held-for-sale 31,727  32,013  - 32,013  -Accrued interest receivable 7,526  7,526  - 7,526  -Financial liabilities: Deposits with no stated maturities 2,031,072  2,031,072  - 2,031,072  -Time deposits 138,793  138,291  - 138,291  -Secured borrowings 10,620  10,690  - - 10,690 Accrued interest payable 155  155  - 155  - December 31, 2020 Quoted prices Significant Significant in active other other Carrying Estimated markets observable inputs unobservable inputs(dollars in thousands)amount fair value (Level 1) (Level 2) (Level 3)Financial assets: Cash and cash equivalents$ 69,346  $ 69,346  $ 69,346  $ - $ -Available-for-sale debt securities 392,420  392,420  - 392,420  -Restricted investments in bank stock 2,813  2,813  - 2,813  -Loans and leases, net 1,105,450  1,116,711  - - 1,116,711 Loans held-for-sale 29,786  30,858  - 30,858  -Accrued interest receivable 5,712  5,712  - 5,712  -Financial liabilities: Deposits with no stated maturities 1,381,722  1,381,722  - 1,381,722  -Time deposits 127,783  128,200  - 128,200  -FHLB advances 5,000  5,348  - 5,348  -Accrued interest payable 337  337  - 337  -
Financial Instruments Measured at Fair Value on Recurring Basis	Quoted prices in active Significant other Significant other Total carrying value markets observable inputs unobservable inputs(dollars in thousands)December 31, 2021 (Level 1) (Level 2) (Level 3)Available-for-sale securities: Agency - GSE$ 117,003  $ - $ 117,003  $ -Obligations of states and political subdivisions 364,710  - 364,710  -MBS - GSE residential 257,267  - 257,267  -Total available-for-sale debt securities$ 738,980  $ - $ 738,980  $ - Quoted prices in active Significant other Significant other Total carrying value markets observable inputs unobservable inputs(dollars in thousands)December 31, 2020 (Level 1) (Level 2) (Level 3)Available-for-sale securities: Agency - GSE$ 45,447  $ - $ 45,447  $ -Obligations of states and political subdivisions 199,713  - 199,713  -MBS - GSE residential 147,260  - 147,260  -Total available-for-sale debt securities$ 392,420  $ - $ 392,420  $ -
Fair Value Measurements at Fair Value Segregated by Hierarchy Fair Value Levels	Quoted prices in Significant other Significant other Total carrying value active markets observable inputs unobservable inputs(dollars in thousands)at December 31, 2021 (Level 1) (Level 2) (Level 3)Impaired loans$ 2,245 $ - $ - $ 2,245Other real estate owned 198 - - 198Total$ 2,443 $ - $ - $ 2,443 Quoted prices in Significant other Significant other Total carrying value active markets observable inputs unobservable inputs(dollars in thousands)at December 31, 2020 (Level 1) (Level 2) (Level 3)Impaired loans$ 2,930 $ - $ - $ 2,930Other real estate owned 182 - - 182Total$ 3,112 $ - $ - $ 3,112
Schedule Of Fair Value, Off-Balance Sheet Risks	December 31,(dollars in thousands) 2021 2020Off-balance sheet financial instruments: Commitments to extend credit$ 306,852 $ 262,816Standby letters of credit 6,352 3,946
Supply Commitment	More than Less than one year to Over five (dollars in thousands)one year five years years TotalSecured by: Collateral$ 1,835 $ 423 $ 2,014 $ 4,272Bank lines of credit 353 108 - 461Other 1,152 - - 1,152 3,340 531 2,014 5,885Unsecured 30 437 - 467Total$ 3,370 $ 968 $ 2,014 $ 6,352