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Acquisition - Pro Forma Information (Details) - Level One - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Business Acquisition [Line Items] |  |
Total revenue (net interest income plus other income) | $ 654,313 | $ 621,946
Net Income | 221,631 | 237,031
Net income available to common shareholders | $ 219,756 | $ 235,156
Earnings per share: |  |
Basic (in dollars per share) | $ 3.72 | $ 3.96
Diluted (in dollars per share) | $ 3.70 | $ 3.95

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