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Income Taxes - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021 | Mar. 31, 2020
Business Acquisition [Line Items] |  |  |  |
Federal taxes calculated at statutory rate, percent | 21.00% | 21.00% |  |
Acquired net operating losses | $ 3,644 |  | $ 1,370 |
Federal |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Net operating loss carryforwards | 6,602 |  |  |
State |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Net operating loss carryforwards | $ 17,560 |  |  |
Franklin Financial Network, Inc. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquired net operating losses |  |  | $ 6,523 | $ 6,523

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