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Benefit Plans (Tables)
 12 Months Ended
Dec. 31, 2022
Retirement Benefits [Abstract]  
Changes in the projected benefit obligation, plan assets and Accrued pension benefit costs
Changes in the projected benefit obligation and plan assets during each year, the funded status of the plan, and the net amount recognized in our consolidated balance sheets using an actuarial measurement date of December 31, are summarized as follows during the years ended December 31:
20222021
Change in benefit obligation
Benefit obligation, January 1$9,725 $10,358 
Interest cost224 233 
Actuarial loss (gain)(2,236)(357)
Benefits paid, including plan expenses(817)(509)
Benefit obligation, December 316,896 9,725 
Change in plan assets
Fair value of plan assets, January 18,649 8,263 
Investment return (loss)(1,250)831 
Contributions— 64 
Benefits paid, including plan expenses(817)(509)
Fair value of plan assets, December 316,582 8,649 
Deficiency in funded status at December 31, included on the consolidated balance sheets in accrued interest payable and other liabilities$(314)$(1,076)
Accumulated benefit obligation at December 31$6,896 $9,725 
20222021
Change in accrued pension benefit costs
Accrued benefit cost at January 1$(1,076)$(2,095)
Contributions— 64 
Net periodic benefit cost (credit)(59)31 
Net change in unrecognized actuarial loss and prior service cost821 924 
Accrued pension liability at December 31$(314)$(1,076)
Components of net periodic benefit cost The components of net periodic benefit cost are as follows for the years ended December 31:
202220212020
Interest cost on benefit obligation$224 $233 $306 
Expected return on plan assets(490)(486)(488)
Amortization of unrecognized actuarial net loss216 222 206 
Settlement loss109 — 152 
Net periodic benefit cost (credit)$59 $(31)$176 
Actuarial assumptions used
The actuarial assumptions used in determining the benefit obligation are as follows for the years ended December 31:
202220212020
Discount rate4.88 %2.43 %2.30 %
Expected long-term rate of return on plan assets6.00 %6.00 %6.00 %
The actuarial weighted average assumptions used in determining the net periodic pension costs are as follows for the years ended December 31:
202220212020
Discount rate2.43 %2.30 %3.07 %
Expected long-term rate of return on plan assets6.00 %6.00 %6.00 %
Fair values of the Corporations pension plan assets by asset category The fair values of our pension plan assets by asset category were as follows as of December 31:
 20222021
Total(Level 2)Total(Level 2)
Short-term investments$235 $235 $127 $127 
Common collective trusts
Fixed income2,983 2,983 3,750 3,750 
Equity investments3,364 3,364 4,772 4,772 
Total$6,582 $6,582 $8,649 $8,649 
Summary of Estimated future benefit payments Estimated future benefit payments are as follows for the next ten years:
Estimated Benefit Payments
2023$800 
2024564 
2025669 
2026713 
2027546 
2028 - 20322,557 
Components of shares eligible to be issued under the Directors Plan The components of shares eligible to be issued under the Directors Plan were as follows as of December 31:
20222021
 Eligible
Shares		Market
Value		Eligible
Shares		Market
Value
Unissued52,961 $1,245 83,710 $2,135 
Shares held in Rabbi Trust154,879 3,640 105,654 2,694 
Total207,840 $4,885 189,364 $4,829 
Changes in Nonvested Restricted Stock Awards A summary of changes in nonvested restricted stock awards follows for the years ended December 31:
20222021
Number
of Shares		Fair
Value		Number
of Shares		Fair
Value
Balance, January 120,123 $418 4,658 $82 
Granted6,949 174 15,465 336 
Vested— — — — 
Forfeited— — — — 
Balance, December 3127,072$592 20,123$418