Stock Based Compensation (Tables)	12 Months Ended
	Dec. 31, 2021
Stock Based Compensation [Abstract]
Schedule Of Share-based Compensation, Stock Options, Activity	Employee Stock Purchase Plan ESPP Weighted Average Aggregate (Dollars in thousands except share and per share data) Options Price Per Share Intrinsic ValueBalance Outstanding at December 31, 2019 19,111 $ 36.21 $ -Granted 32,209 24.19 Exercised (753) 25.32 Expired (20,882) 35.15 Balance Outstanding at December 31, 2020 29,685 $ 24.19 $ 84 Granted 26,734 30.24 Exercised (4,629) 25.80 Expired (27,541) 24.46 Balance Outstanding at December 31, 2021 24,249 $ 30.24 $ 69 Shares available for future grants under the ESPP at December 31, 2021 182,761 The following tables summarize the activity in the Stock Plan: Omnibus Stock Option Plans Weighted Average Aggregate (Dollars in thousands except share and per share data)ISO Price Per Share Intrinsic ValueBalance Outstanding at December 31, 2019 92,979 $ 28.55 $ 943 Granted — — Exercised (625) 27.62 Forfeited — — Balance Outstanding at December 31, 2020 92,354 $ 28.55 $ -Granted — — Exercised (100) 22.05 Forfeited (2,000) 33.08 Balance Outstanding at December 31, 2021 90,254 $ 28.46 $ 419  Weighted Average Restricted Grant Date Shares Fair Value Nonvested as of December 31, 2019 — $ — Granted14,921 31.02 Vested(398) 31.02 Forfeited(990) 31.02 Nonvested as of December 31, 202013,533 $31.02 Granted6,095 27.54 Vested(7,418) 30.98 Forfeited(255) 29.50 Nonvested as of December 31, 202011,955 $29.30 Shares available for future grants under the Stock Plan at December 31, 2021 287,250
Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding And Exercisable	Options Weighted Outstanding Exercise Price or Weighted Average Average RemainingStock Option Plan and Exercisable Price Range Exercise Price Life (years)Employee Stock Purchase Plan 24,249 $ 30.24  $ 30.24  0.5 Incentive Stock Options 30,950 21.27-23.84 21.54  3.8Incentive Stock Options 29,300 28.97-31.53 30.00  5.2Incentive Stock Options 30,004 31.53-34.10 34.10  6.2ISO Total/Average 90,254 $ 28.46  5.0