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REGULATORY MATTERS: (Tables) | 12 Months Ended
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Dec. 31, 2021
Financial Services, Banking and Thrift [Abstract] |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations | The following table presents the actual and required capital amounts and related ratios for the Corporation and First Financial Bank, N.A., at year-end 2021 and 2020.
|  |  |  |  |  |  |  |  |  | To Be Well Capitalized
|  |  |  |  |  | For Capital |  | Under Prompt Corrective
|  | Actual |  | Adequacy Purposes |  | Action Provisions
(Dollar amounts in thousands) |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
Total risk-based capital |  |  |  |  |  |  |  |  |  |  |  |
Corporation – 2021 |  | $ | 533,599 |  |  | 15.63 | % |  | $ | 358,575 |  |  | 10.500 | % |  | N/A |  | N/A
Corporation – 2020 |  | $ | 538,440 |  |  | 17.40 | % |  | $ | 324,849 |  |  | 10.500 | % |  | N/A |  | N/A
First Financial Bank – 2021 |  | 487,416 |  |  | 14.78 | % |  | 346,248 |  |  | 10.500 | % |  | 329,760 |  |  | 10.00 | %
First Financial Bank – 2020 |  | 507,869 |  |  | 17.03 | % |  | 313,075 |  |  | 10.500 | % |  | 298,166 |  |  | 10.00 | %
Common equity tier I capital |  |  |  |  |  |  |  |  |  |  |  |
Corporation – 2021 |  | $ | 490,842 |  |  | 14.37 | % |  | $ | 239,050 |  |  | 7.000 | % |  | N/A |  | N/A
Corporation – 2020 |  | $ | 499,664 |  |  | 16.15 | % |  | $ | 216,566 |  |  | 7.000 | % |  | N/A |  | N/A
First Financial Bank – 2021 |  | 446,189 |  |  | 13.53 | % |  | 230,832 |  |  | 7.000 | % |  | 214,344 |  |  | 6.50 | %
First Financial Bank – 2020 |  | 470,551 |  |  | 15.78 | % |  | 208,716 |  |  | 7.000 | % |  | 193,808 |  |  | 6.50 | %
Tier I risk-based capital |  |  |  |  |  |  |  |  |  |  |  |
Corporation – 2021 |  | $ | 490,842 |  |  | 14.37 | % |  | $ | 290,275 |  |  | 8.500 | % |  | N/A |  | N/A
Corporation – 2020 |  | $ | 499,664 |  |  | 16.15 | % |  | $ | 262,973 |  |  | 8.500 | % |  | N/A |  | N/A
First Financial Bank – 2021 |  | 446,189 |  |  | 13.53 | % |  | 280,296 |  |  | 8.500 | % |  | 263,808 |  |  | 8.00 | %
First Financial Bank – 2020 |  | 470,551 |  |  | 15.78 | % |  | 253,441 |  |  | 8.500 | % |  | 238,533 |  |  | 8.00 | %
Tier I leverage capital |  |  |  |  |  |  |  |  |  |  |  |
Corporation – 2021 |  | $ | 490,842 |  |  | 9.83 | % |  | $ | 199,702 |  |  | 4.00 | % |  | N/A |  | N/A
Corporation – 2020 |  | $ | 499,664 |  |  | 11.24 | % |  | $ | 177,781 |  |  | 4.00 | % |  | N/A |  | N/A
First Financial Bank – 2021 |  | 446,189 |  |  | 9.18 | % |  | 194,405 |  |  | 4.00 | % |  | 243,006 |  |  | 5.00 | %
First Financial Bank – 2020 |  | 470,551 |  |  | 10.90 | % |  | 172,728 |  |  | 4.00 | % |  | 215,910 |  |  | 5.00 | %

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- Definition Financial Services, Banking and Thrift + References No definition available. + Details
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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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