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Stock Options and Other Equity-Based Incentive Instruments (Tables)
 3 Months Ended
Mar. 31, 2023
Share-Based Payment Arrangement [Abstract]  
Stock Option Activity Stock option activity during the three months ended March 31, 2023 is summarized in the following table:
Number
of Shares		Weighted
Average
Exercise Price
Outstanding at December 31, 202215,500 $21.27 
Options granted— — 
Options exercised(4,000)19.46 
Options forfeited— — 
Outstanding at March 31, 202311,500 $21.90 
Summary of Options Outstanding
The following table shows the number, weighted-average exercise price, intrinsic value, and weighted average remaining contractual life of options exercisable, options not yet exercisable and total options outstanding as of March 31, 2023:
Currently
Exercisable		Currently Not
Exercisable		Total
Outstanding
Number of options11,500 — 11,500 
Weighted average exercise price$21.90 $— $21.90 
Intrinsic value (in thousands)$226 $— $226 
Weighted average remaining contractual term (yrs.)1.00 years1.0
Restricted Stock Unit (RSU) Activity Activity related to restricted stock unit awards during the three months ended March 31, 2023 is summarized in the following table:
Service
Condition
Vesting RSUs		Market Plus
Service
Condition
Vesting RSUs
Outstanding at December 31, 2022139,194 114,481 
RSUs granted— — 
RSUs added through dividend and performance credits817 — 
RSUs released(22,118)— 
RSUs forfeited/expired— — 
Outstanding at March 31, 2023117,893 114,481