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Goodwill and Intangible Assets - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Finite Lived Intangible Assets [Line Items]
Principal balance of mortgage loans serviced for others	$ 126.8	$ 186.2
Weighted average amortization period of intangibles	4 years 1 month 9 days
Core Deposit Intangibles
Finite Lived Intangible Assets [Line Items]
Weighted average amortization period of intangibles	3 years 3 months 25 days
Customer List Intangibles
Finite Lived Intangible Assets [Line Items]
Weighted average amortization period of intangibles	4 years 11 months 1 day

X

- Definition

Principal Balance Of Mortgage Loans Serviced For Others which have mortgage servicing rights

+ References

No definition available.

+ Details

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Balance Type:	debit
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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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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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- Details

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