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Equity Plans (Tables)
9 Months Ended
Sep. 30, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Compensation Costs Charged to Income and Proceeds from the Exercise of Any Restricted Stock and Similar Instruments that are Recorded to Additional Paid-In Capital and Common Stock, by Award Type
A summary of compensation costs charged to income, by award type, and proceeds from the ESPP, are presented below for the three and nine months ended September 30, 2023 and 2022:
 Three months ended September 30,Nine months ended September 30,
 2023202220232022
Compensation costs charged to income:
   ESPP$187 184 $378 369 
   Restricted stock and deferred restricted stock1,051 1,214 3,198 3,622 
Total compensation costs charged to income$1,238 1,398 $3,576 3,991 
ESPP proceeds$1,061 1,042 $2,141 2,091