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Income Taxes (Tables)

3 Months Ended

Mar. 31, 2025

Income Tax Disclosure [Abstract]

Summary of Differences in Taxes from Continuing Operations Computed at Statutory Rate

The following is a summary of the major items comprising the differences in taxes from continuing operations computed at the federal statutory rate and as recorded in the consolidated statements of income:

									Three Months Ended March 31,
(dollars in thousands)															2025						2024
Provision at statutory rate of 21%															$	38,128					$	32,082
Tax-exempt income:
Tax-exempt interest															(4,252)						(4,958)
Section 291/265 interest disallowance															669						885
Company-owned life insurance income															(1,135)						(694)
Tax-exempt income															(4,718)						(4,767)
State income taxes															6,901						5,147
Interim period effective rate adjustment															(147)						944
Tax credit investments - federal															(4,102)						(3,055)
Officer compensation limitation															372						765
Non-deductible FDIC premiums															2,037						1,747
Other, net															(1,567)						(375)
Income tax expense															$	36,904					$	32,488
Effective tax rate															20.3		%				21.3		%

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- References

No definition available.

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- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-231

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12A

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12

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