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Acquisitions - Pro Forma Result of Comparable Prior Reporting Period (Details) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($) $ / shares
Business Combination and Asset Acquisition [Abstract] |
Net Interest Income | $ 168,693
Provision for Loan Losses | 2,276
Net Interest Income after Provision for Loan Losses | 166,417
Non-interest Income | 43,472
Non-interest Expense | 134,446
Income before Income Taxes | 75,443
Income Tax Expense | 13,246
Net Income | $ 62,197
Basic Earnings Per Share (in USD per share) | $ / shares | $ 1.43
Diluted Earnings Per Share (in USD per share) | $ / shares | $ 1.43

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