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Earnings Per Share
 12 Months Ended
Dec. 31, 2020
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
The following reconciles average shares outstanding for basic and diluted earnings per share for the years ended December 31, 2020, 2019 and 2018 (in thousands):
December 31,
202020192018
Weighted average shares outstanding60,358 50,701 47,266 
Less: Unallocated ESOP shares(426)(493)(435)
Unallocated incentive award shares and shares held by deferred compensation plan
(13)(42)(58)
Average basic shares outstanding59,919 50,166 46,773 
Add: Effect of dilutive securities:
Incentive awards and shares held by deferred compensation plan153 580 884 
Average diluted shares outstanding60,072 50,746 47,657 
For the years ended December 31, 2020, 2019 and 2018, antidilutive stock options of 2,242,000, 993,000, and 504,000, respectively, were excluded from the earnings per share calculations.