Premises, Equipment, and Leases - Components of Premises and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Premises Equipment And Leases [Abstract]
Land	$ 42,987	$ 44,580
Buildings and leasehold improvements	358,291	344,267
Equipment	164,029	159,717
Software	238,315	209,877
Total	803,622	758,441
Accumulated depreciation	(330,677)	(320,476)
Accumulated amortization	(172,611)	(154,086)
Premises and equipment, net	$ 300,334	$ 283,879

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 4
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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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-Publisher FASB
-Name Accounting Standards Codification
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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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- Definition

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.

+ References

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