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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]  
Summary of Stock Option Activity Under the Plan
The following is a summary of the Company’s stock option activity for the three months ended March 31, 2021:
Number of SharesWeighted-Average Exercise Price Per ShareWeighted-Average
Remaining Contractual Life (Years)
Aggregate Intrinsic Value
(Dollars in thousands)
Outstanding - January 1, 2021851,580 $15.25 
Granted— — 
Exercised— — 
Expired(16,000)17.18 
Forfeited— — 
Outstanding - March 31, 2021
835,580 $15.22 4.26$1,109 
Options exercisable - March 31, 2021
797,580 $15.12 4.20$1,109 
Summary of Restricted Stock and Performance Unit Activity Under the Plan
The following is a summary of the Company’s restricted stock and performance unit activity for the three months ended March 31, 2021:
Number of SharesWeighted-Average Grant Date Fair Value
Outstanding (unvested) - January 1, 20211,718,838 $10.73 
Granted255,514 15.92 
Vested(340,129)12.53 
Forfeited(104,869)14.13 
Outstanding (unvested) - March 31, 2021
1,529,354 $10.97