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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Accounting Policies [Abstract] |
Schedule of Allowance for Credit Losses Upon Adoption of ASU 2016-13 | This “Day 1” impact of CECL adoption is summarized below:
(dollars in thousands) |  | December 31, 2019 |  |  | CECL Adoption Impact |  |  | January 1, 2020 |
Allowance for Credit Losses: |  |  |  |  |  |  |  |  |  |  |  |
Commercial |  | $ | 73,801 |  |  | $ | (18,789 | ) |  | $ | 55,012 |
Consumer |  |  | 36,226 |  |  |  | 17,052 |  |  |  | 53,278 |
Total Allowance for Credit Losses |  |  | 110,027 |  |  |  | (1,737 | ) |  |  | 108,290 |
Reserve for Unfunded Commitments |  |  | 6,822 |  |  |  | (3,335 | ) |  |  | 3,487 |
Total Reserve for Credit Losses |  | $ | 116,849 |  |  | $ | (5,072 | ) |  | $ | 111,777 |
Retained Earnings |  |  |  |  |  |  |  |  |  |  |  |
Total Pre-tax Impact |  |  |  |  |  | $ | 5,072 |  |  |  |  |
Tax Effect |  |  |  |  |  |  | (1,440 | ) |  |  |  |
Increase to Retained Earnings |  |  |  |  |  | $ | 3,632 |  |  |  |  |

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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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