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Nature of Operations and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Accounting Policies [Abstract] |
Schedule of CECL Adoption Impacts | The following table details the impact of the adoption of CECL on the Corporation's balance sheet as of January 1, 2021.
| December 31, 2020 |  | Impact of CECL Adoption |  | January 1, 2021 Post-CECL Adoption
Assets: |  |  |  |  |
Held to maturity securities | $ | 1,227,668 |  |  | $ | (245) |  |  | $ | 1,227,423 |
Loans | 9,243,174 |  |  | 4,776 |  |  | 9,247,950 |
Allowance for credit losses - loans | (130,648) |  |  | (74,055) |  |  | (204,703) |
Net loans | 9,112,526 |  |  | (69,279) |  |  | 9,043,247 |
Tax asset, deferred and receivable | 12,340 |  |  | 21,984 |  |  | 34,324 |
Liabilities: |  |  |  |  |
Allowance for credit losses on unfunded loan commitments | — |  |  | 20,500 |  |  | 20,500 |
Stockholder's Equity: |  |  |  |  |
Retained Earnings | 788,578 |  |  | (68,040) |  |  | 720,538 |
|  |  | — |  |  |

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- Definition Tabular disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=124437754&loc=d3e765-108305 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=124437754&loc=d3e725-108305 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=124431687&loc=d3e22583-107794 + Details
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