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Business Combinations - Unaudited Pro Forma Condensed Combined Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Business Combinations [Abstract] |  |
Net interest income | $ 38,237 | $ 40,626
Provision for loan losses | 12,136 | 5,492
Non-interest income | 17,749 | 17,651
Non-interest expense | 37,659 | 32,060
Income before taxes | 6,191 | 20,725
Income tax expense (benefit) | 1,078 | 5,277
Net income (loss) | $ 5,113 | $ 15,448
Earnings per share |  |
Basic | $ 0.30 | $ 0.86
Diluted | $ 0.29 | $ 0.86
Basic weighted average shares o/s | 17,299,927 | 17,955,429
Diluted weighted average shares o/s | 17,352,947 | 18,002,337

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