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Benefit Plans (Tables)
 12 Months Ended
Dec. 31, 2021
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:
20212020
Change in benefit obligation
Benefit obligation, January 1$10,358 $10,209 
Interest cost233 306 
Actuarial loss (gain)(357)682 
Benefits paid, including plan expenses(509)(839)
Benefit obligation, December 319,725 10,358 
Change in plan assets
Fair value of plan assets, January 18,263 8,352 
Investment return (loss)831 750 
Contributions64 — 
Benefits paid, including plan expenses(509)(839)
Fair value of plan assets, December 318,649 8,263 
Deficiency in funded status at December 31, included on the consolidated balance sheets in accrued interest payable and other liabilities$(1,076)$(2,095)
Accumulated benefit obligation at December 31$9,725 $10,358 
20212020
Change in accrued pension benefit costs
Accrued benefit cost at January 1$(2,095)$(1,857)
Contributions64 — 
Net periodic benefit cost31 (176)
Net change in unrecognized actuarial loss and prior service cost924 (62)
Accrued pension benefit cost at December 31$(1,076)$(2,095)
Components of net periodic benefit cost The components of net periodic benefit cost are as follows for the years ended December 31:
202120202019
Interest cost on benefit obligation$233 $306 $378 
Expected return on plan assets(486)(488)(452)
Amortization of unrecognized actuarial net loss222 206 214 
Settlement loss— 152 128 
Net periodic benefit cost$(31)$176 $268 
Actuarial assumptions used
The actuarial assumptions used in determining the benefit obligation are as follows for the years ended December 31:
202120202019
Discount rate2.43 %2.30 %3.07 %
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:
202120202019
Discount rate2.30 %3.07 %4.11 %
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:
 20212020
Total(Level 2)Total(Level 2)
Short-term investments$127 $127 $69 $69 
Common collective trusts
Fixed income3,750 3,750 3,851 3,851 
Equity investments4,772 4,772 4,343 4,343 
Total$8,649 $8,649 $8,263 $8,263 
Summary of Estimated future benefit payments Estimated future benefit payments are as follows for the next ten years:
Estimated Benefit Payments
2022$1,042 
2023650 
2024601 
2025714 
2026875 
2027 - 20312,935 
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:
20212020
 Eligible
Shares		Market
Value		Eligible
Shares		Market
Value
Unissued83,710 $2,135 117,053 $2,291 
Shares held in Rabbi Trust105,654 2,694 59,162 1,158 
Total189,364 $4,829 176,215 $3,449 
Changes in Nonvested Restricted Stock Awards A summary of changes in nonvested restricted stock awards follows for the years ended December 31:
20212020
Number
of Shares		Fair
Value		Number
of Shares		Fair
Value
Balance, January 14,658 $82 — $— 
Granted15,465 336 4,658 82 
Vested— — — — 
Forfeited— — — — 
Balance, December 3120,123$418 4,658$82