Loans and Leases - Major Classes of Loans And Leases (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Commercial, financial and agricultural:
Total commercial, financial & agricultural	$ 11,150,967	$ 11,152,825
Residential real estate	4,104,848	3,691,560
Construction & land development Consumer:	2,395,284	2,014,165
Consumer:
Bankcard	8,651	8,913
Other consumer	1,334,375	1,183,844
Less: Unearned income	(23,730)	(27,659)
Total gross loans	18,970,395	18,023,648
Owner-Occupied Commercial Real Estate [Member]
Commercial, financial and agricultural:
Total commercial, financial & agricultural	1,713,972	1,733,176
Nonowner-Occupied Commercial Real Estate [Member]
Commercial, financial and agricultural:
Total commercial, financial & agricultural	5,955,839	5,957,288
Other Commercial Loans And Leases [Member]
Commercial, financial and agricultural:
Total commercial, financial & agricultural	$ 3,481,156	$ 3,462,361

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The Gross carrying amount of Loans and Finance Receivables from various Credit transaction before Providing for Doubtful accounts.

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No definition available.

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The Gross carrying amount of Loans and Finance Receivables from various Credit transaction Specifically Bank Credit Cards before Providing for Doubtful accounts.

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No definition available.

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The gross carrying amount of Loans and Finance Receivables from the transacation with customers classified as Other before providing for doubtful accounts.

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No definition available.

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Reflects the gross carrying amount of unpaid loans issued to individuals or commercial developers to build, improve or remodel a residential home or commercial property. Such loans are usually secured by the property; and after the construction period, the borrower generally will obtain long-term financing to replace and satisfy the construction loan.

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The gross carrying amount of mortgage loans to individuals including home equity lines of credit.

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No definition available.

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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