Derivatives - Schedule of Gain (Loss) in Consolidated Statements of Income Related to Derivative Instruments (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Derivative Instruments Gain Loss [Line Items]
Noninterest income	$ (76,100)
Derivatives Designated as Hedging Instruments \| Cash Flow Hedges \| Commercial Loans \| Interest Rate Swaps
Derivative Instruments Gain Loss [Line Items]
OCI	24,035	$ 6,656
Reclassified from AOCI to interest income	(106)	(1,508)
Derivatives Designated as Hedging Instruments \| Cash Flow Hedges \| Commercial Loans \| Interest Rate Collars
Derivative Instruments Gain Loss [Line Items]
OCI	143,198	41,477
Reclassified from AOCI to interest income	8,213
Derivatives Not Designated as Hedging Instruments \| Mortgage Loan Held for Sale Interest Rate Lock Commitments
Derivative Instruments Gain Loss [Line Items]
Noninterest income	311	69
Derivatives Not Designated as Hedging Instruments \| Foreign Exchange Contracts
Derivative Instruments Gain Loss [Line Items]
Noninterest income	$ 865	$ 1,140

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959

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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.

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No definition available.

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 815
-SubTopic 10
-Section 50
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Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
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