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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Reconciliation of Shares Outstanding for Basic and Diluted Earnings per Share | The following reconciles average shares outstanding for basic and diluted earnings per share for the years ended December 31, 2018, 2017 and 2016 (in thousands):
|  | December 31,
|  | 2018 |  | 2017 |  | 2016
Weighted average shares outstanding |  | 47,266 |  |  | 32,490 |  |  | 23,481 |
Less: Unallocated ESOP shares |  | (435 | ) |  | (311 | ) |  | (344 | )
Unallocated incentive award shares and shares held by deferred compensation plan |  | (58 | ) |  | (66 | ) |  | (44 | )
Average basic shares outstanding |  | 46,773 |  |  | 32,113 |  |  | 23,093 |
Add: Effect of dilutive securities: |  |  |  |  |  |
Incentive awards and shares held by deferred compensation plan |  | 884 |  |  | 1,012 |  |  | 433 |
Average diluted shares outstanding |  | 47,657 |  |  | 33,125 |  |  | 23,526 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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