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Regulatory Capital - Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations (Details) $ in Thousands | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
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Phantom section (for regulatory ratios): |  |
Capital ($) | $ 801,966 | $ 674,310
Capital to RWA (%) | 0.1520 | 0.1579
Capital Required for Capital Adequacy ($) | $ 554,164 | $ 448,344
Capital Required for Capital Adequacy to RWA (%) | 0.1050 | 0.1050
Tier One Risk Based Capital ($) | $ 654,453 | $ 534,277
Tier One Risk Based Capital to RWA (%) | 0.1240 | 0.1251
Tier One Risk Based Capital Required for Capital Adequacy ($) | $ 448,609 | $ 362,945
Tier One Risk Based Capital Required for Capital Adequacy to RWA (%) | 0.0850 | 0.0850
Common Equity Tier One Risk Based Capital ($) | $ 635,089 | $ 515,082
Common Equity Tier One Risk Based Capital To RWA (%) | 0.1203 | 0.1206
Common Equity Tier One Risk Based Capital Required For Capital Adequacy ($) | $ 369,442 | $ 298,896
Common Equity Tier One Risk Based Capital Required for Capital Adequacy to RWA (%) | 0.0700 | 0.0700
Tier One Leverage Capital to Average Assets | $ 654,453 | $ 534,277
Tier One Leverage Capital to Average Assets (%) | 0.0968 | 0.0905
Tier One Leverage Capital Required for Capital Adequacy ($) | $ 268,875 | $ 236,151
Tier One Leverage Capital Required for Capital Adequacy to Average Assets (%) | 0.0400 | 0.0400
First Mid Bank |  |
Phantom section (for regulatory ratios): |  |
Capital ($) | $ 745,624 | $ 624,150
Capital to RWA (%) | 0.1418 | 0.1467
Capital Required for Capital Adequacy ($) | $ 552,161 | $ 446,711
Capital Required for Capital Adequacy to RWA (%) | 0.1050 | 0.1050
Capital Required to be Well Capitalized ($) | $ 525,868 | $ 425,439
Capital Required to be Well Capitalized to RWA (%) | 0.1000 | 0.1000
Tier One Risk Based Capital ($) | $ 692,664 | $ 578,517
Tier One Risk Based Capital to RWA (%) | 0.1317 | 0.1360
Tier One Risk Based Capital Required for Capital Adequacy with Capital Buffer ($) | $ 446,987 | $ 361,623
Tier One Risk Based Capital Required for Capital Adequacy with Capital Buffer to RWA (%) | 0.0850 | 0.0850
Tier One Risk Based Capital Required to be Well Capitalized ($) | $ 420,694 | $ 340,351
Tier One Risk Based Capital Required to be Well Capitalized to RWA (%) | 0.0800 | 0.0800
Common Equity Tier One Risk Based Capital ($) | $ 692,664 | $ 578,517
Common Equity Tier One Risk Based Capital To RWA (%) | 0.1317 | 0.1360
Common Equity Tier One Risk Based Capital Required For Capital Adequacy ($) | $ 368,107 | $ 297,807
Common Equity Tier One Risk Based Capital Required for Capital Adequacy to RWA (%) | 0.0700 | 0.0700
Common Equity Tier One Risk Based Capital Required to Be Well Capitalized ($) | $ 341,814 | $ 276,535
Common Equity Tier One Risk Based Capital Required To Be Well Capitalized to RiWA (%) | 0.0650 | 0.0650
Tier One Leverage Capital to Average Assets | $ 692,664 | $ 578,517
Tier One Leverage Capital to Average Assets (%) | 0.1022 | 0.0983
Tier One Leverage Capital Required for Capital Adequacy ($) | $ 270,990 | $ 235,337
Tier One Leverage Capital Required for Capital Adequacy to Average Assets (%) | 0.0400 | 0.0400
Tier One Leverage Capital Required to be Well Capitalized ($) | $ 338,738 | $ 294,171
Tier One Leverage Capital Required to be Well Capitalized to Average Assets (%) | 0.0500 | 0.0500

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