Premises, Equipment, and Leases - Components of Premises and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Premises Equipment And Leases [Abstract]
Land	$ 42,323	$ 42,987
Buildings and leasehold improvements	351,957	358,291
Equipment	176,018	164,029
Software	264,251	238,315
Total	834,549	803,622
Accumulated depreciation	(341,379)	(330,677)
Accumulated amortization	(200,075)	(172,611)
Premises and equipment, net	$ 293,095	$ 300,334

Accumulated amortization.

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- Definition

Accumulated depreciation

+ References

No definition available.

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- Definition

Premises, equipment and leases.

+ References

No definition available.

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- Definition

Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

+ References

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- Definition

Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

+ References

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- Definition

Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

+ References

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- Definition

Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

+ References

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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