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Benefit Plans (Tables)
 12 Months Ended
Dec. 31, 2022
Retirement Benefits [Abstract]  
Summary of the Stock Option Activities in the Plans Below is a summary of the stock option activity in the 2005 Plan, 2015 Plan and 2022 Plan (collectively, the “Plans”) for the year ended December 31, 2022:
 2022
(Dollars in thousands, except per share data)Number of Stock Options OutstandingWeighted Average Exercise Price Per ShareWeighted Average Remaining Contractual Term
(in years)		Aggregate Intrinsic value
Outstanding at January 1, 2022213,077 $16.64 
Granted— — 
Exercised(53,326)16.36 
Forfeited and expired— — 
Outstanding at December 31, 2022159,751 $16.74 1.94$2,368 
Vested and exercisable at December 31, 2022159,751 $16.74 1.94$2,368 
Schedule of Other Share-based Compensation Activity
Below is a summary of the activity for restricted stock and restricted stock units in the Plans for the year ended December 31, 2022:
 2022
 SharesWeighted Average Grant-Date Fair Value Per Share
Unvested at the beginning of the year1,365,778 $31.81 
Granted926,923 35.98 
Vested(576,914)30.31 
Forfeited(109,341)35.01 
Unvested at the end of the year1,606,446 $34.22