Derivative Financial Instruments - Schedule of the Notional Amount and Fair Value of the Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Interest Rate Lock Commitments
Derivative [Line Items]
Notional Amount	$ 100,322	$ 102,881
Fair Value	2,704	4,947
Forward Commitments
Derivative [Line Items]
Notional Amount	102,778	158,759
Fair Value	748	(740)
Receive Fixed / Pay Variable Swap
Derivative [Line Items]
Notional Amount	1,370,386	1,362,778
Fair Value	24,416	90,130
Pay Fixed / Receive Variable Swap
Derivative [Line Items]
Notional Amount	1,370,386	1,362,778
Fair Value	(11,627)	(17,197)
Foreign Exchange Contracts
Derivative [Line Items]
Notional Amount	88,919	90,587
Fair Value	2,345	866
Visa Conversion Rate Swap Agreement
Derivative [Line Items]
Notional Amount	129,020	133,286
Fair Value	$ 0	$ 0

Fair value of the assets less the liabilities of a derivative or group of derivatives.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611

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- Definition

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

No definition available.

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- Definition

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
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

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