Percentage of periodic changes in fair value qualifies for hedge accounting.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

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The net amount of operating interest income (expense).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section S99
-Paragraph 1
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Derivative Financial Instruments - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Derivative [Line Items]
Notional amounts	$ 1,106,000,000		$ 1,106,000,000		$ 665,500,000
Percentage of periodic changes in fair value qualifies for hedge accounting treatment	100.00%		100.00%
Reclassified interest income (expense)	$ 145,671,000	$ 155,230,000	$ 289,442,000	$ 302,278,000
Amount Reclassified from AOCI \| Interest Income
Derivative [Line Items]
Reclassified interest income (expense)			7,400,000
Amount Reclassified from AOCI \| interest expense
Derivative [Line Items]
Reclassified interest income (expense)			1,600,000
Fixed Interest Swap
Derivative [Line Items]
Notional amounts	380,500,000		380,500,000		130,500,000
Variable Interest Rate Swap
Derivative [Line Items]
Notional amounts	325,000,000.0		325,000,000.0		25,000,000.0
Variable Interest Rate Collars and Floors
Derivative [Line Items]
Notional amounts	400,000,000.0		400,000,000.0
Variable Interest Rate Collar
Derivative [Line Items]
Notional amounts					510,000,000.0
Interest Rate Lock Commitments
Derivative [Line Items]
Notional amounts	388,000,000.0		388,000,000.0		65,700,000
Forward Commitments
Derivative [Line Items]
Notional amounts	443,200,000		443,200,000		101,600,000
Customer Derivative Instrument
Derivative [Line Items]
Notional amounts	1,586,000,000		1,586,000,000		1,298,000,000
Offsetting Counter Party Derivative Instrument
Derivative [Line Items]
Notional amounts	1,586,000,000		1,586,000,000		1,298,000,000
Foreign Currency Forward Contract \| Foreign currency contracts
Derivative [Line Items]
Notional amounts	$ 4,900,000		$ 4,900,000		$ 8,200,000