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Regulatory Matters (Details) $ in Thousands | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
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Total Capital (to Risk-Weighted Assets): |  |
Actual Amount | $ 1,034,605 | $ 966,092
Actual Ratio (as a percent) | 0.1676 | 0.1599
Minimum Capital Adequacy Amount | $ 493,751 | $ 483,350
Minimum Capital Adequacy Ratio (as a percent) | 0.0800 | 0.0800
Minimum Capital Adequacy with Capital Buffer Amount | $ 648,048 | $ 634,397
Minimum Capital Adequacy with Capital Buffer Ratio (as a percent) | 0.1050 | 0.1050
To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 617,189 | $ 604,188
To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio (as a percent) | 0.1000 | 0.1000
Tier I Capital (to Risk-Weighted Assets): |  |
Actual Amount | $ 956,783 | $ 889,709
Actual Ratio (as a percent) | 0.1550 | 0.1473
Minimum Capital Adequacy Amount | $ 370,313 | $ 362,513
Minimum Capital Adequacy Ratio (as a percent) | 0.0600 | 0.0600
Minimum Capital Adequacy with Capital Buffer Amount | $ 524,611 | $ 513,560
Minimum Capital Adequacy with Capital Buffer Ratio (as a percent) | 0.0850 | 0.0850
To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 493,751 | $ 483,350
To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio (as a percent) | 0.0800 | 0.0800
Common Equity Tier 1 Capital (to Risk-Weighted Assets): |  |
Actual Amount | $ 846,573 | $ 788,884
Actual Ratio (as a percent) | 0.1372 | 0.1306
Minimum Capital Adequacy Amount | $ 277,735 | $ 271,884
Minimum Capital Adequacy Ratio (as a percent) | 0.0450 | 0.0450
Minimum Capital Adequacy with Capital Buffer Amount | $ 432,032 | $ 422,931
Minimum Capital Adequacy with Capital Buffer Ratio (as a percent) | 0.0700 | 0.0700
To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 401,173 | $ 392,722
To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio (as a percent) | 0.0650 | 0.0650
Tier I Capital (to Average Assets): |  |
Actual Amount | $ 956,783 | $ 889,709
Actual Ratio (as a percent) | 0.1189 | 0.1215
Minimum Capital Adequacy Amount | $ 321,925 | $ 292,977
Minimum Capital Adequacy Ratio (as a percent) | 0.0400 | 0.0400
To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 402,407 | $ 366,221
To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio (as a percent) | 0.0500 | 0.0500
1st Source Bank |  |
Total Capital (to Risk-Weighted Assets): |  |
Actual Amount | $ 969,228 | $ 881,983
Actual Ratio (as a percent) | 0.1571 | 0.1459
Minimum Capital Adequacy Amount | $ 493,412 | $ 483,637
Minimum Capital Adequacy Ratio (as a percent) | 0.0800 | 0.0800
Minimum Capital Adequacy with Capital Buffer Amount | $ 647,603 | $ 634,774
Minimum Capital Adequacy with Capital Buffer Ratio (as a percent) | 0.1050 | 0.1050
To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 616,765 | $ 604,546
To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio (as a percent) | 0.1000 | 0.1000
Tier I Capital (to Risk-Weighted Assets): |  |
Actual Amount | $ 891,458 | $ 805,556
Actual Ratio (as a percent) | 0.1445 | 0.1332
Minimum Capital Adequacy Amount | $ 370,059 | $ 362,728
Minimum Capital Adequacy Ratio (as a percent) | 0.0600 | 0.0600
Minimum Capital Adequacy with Capital Buffer Amount | $ 524,250 | $ 513,864
Minimum Capital Adequacy with Capital Buffer Ratio (as a percent) | 0.0850 | 0.0850
To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 493,412 | $ 483,637
To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio (as a percent) | 0.0800 | 0.0800
Common Equity Tier 1 Capital (to Risk-Weighted Assets): |  |
Actual Amount | $ 838,248 | $ 761,731
Actual Ratio (as a percent) | 0.1359 | 0.1260
Minimum Capital Adequacy Amount | $ 277,544 | $ 272,046
Minimum Capital Adequacy Ratio (as a percent) | 0.0450 | 0.0450
Minimum Capital Adequacy with Capital Buffer Amount | $ 431,735 | $ 423,182
Minimum Capital Adequacy with Capital Buffer Ratio (as a percent) | 0.0700 | 0.0700
To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 400,897 | $ 392,955
To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio (as a percent) | 0.0650 | 0.0650
Tier I Capital (to Average Assets): |  |
Actual Amount | $ 891,458 | $ 805,556
Actual Ratio (as a percent) | 0.1108 | 0.1100
Minimum Capital Adequacy Amount | $ 321,821 | $ 292,959
Minimum Capital Adequacy Ratio (as a percent) | 0.0400 | 0.0400
To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 402,277 | $ 366,199
To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio (as a percent) | 0.0500 | 0.0500

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