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Stock Options and Other Equity-Based Incentive Instruments (Tables)
9 Months Ended
Sep. 30, 2020
Share-based Payment Arrangement [Abstract]  
Stock Option Activity
Stock option activity during the nine months ended September 30, 2020 is summarized in the following table:
Number
of Shares
Option Price
per Share
Weighted
Average
Exercise Price
Outstanding at December 31, 2019160,500 
$14.54 to $23.21
$17.60 
Options granted— 
— 
Options exercised(32,000)
$14.54 to $19.46
17.10 
Options forfeited— 
— 
Outstanding at September 30, 2020128,500 
$14.54 to $23.21
$17.72 
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 September 30, 2020:

Currently
Exercisable
Currently Not
Exercisable
Total
Outstanding
Number of options128,500 — 128,500 
Weighted average exercise price$17.72 $— $17.72 
Intrinsic value (in thousands)$870 $— $870 
Weighted average remaining contractual term (yrs.)2.2n/a2.2
Restricted Stock Unit (RSU) Activity
Activity related to restricted stock unit awards during the nine months ended September 30, 2020 is summarized in the following table:
Service
Condition
Vesting RSUs
Market Plus
Service
Condition
Vesting RSUs
Outstanding at December 31, 201968,597 51,312 
RSUs granted64,036 46,416 
RSUs added through dividend and performance credits2,274 5,847 
RSUs released(31,708)(20,265)
RSUs forfeited/expired1,373 (1,695)
Outstanding at September 30, 2020104,572 81,615