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Goodwill and Intangibles - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Line Items]
Intangible amortization expense	$ 984	$ 474
Servicing rights of sold loans	846,500
Impairment existed	0
Asset and mortgage loan servicing income	7,100
Mortgage servicing asset	7,100
Mortgage servicing rights assets, fair value	$ 7,300
Hammond Insurance [Member]
Goodwill [Line Items]
Business acquisition, percentage of ownership interests acquired		35.00%

X

- Definition

Asset and mortgage loan servicing income.

+ References

No definition available.

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- Definition

Fair value of mortgage servicing rights.

+ References

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- Definition

Mortgage servicing asset.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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-Topic 230
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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

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-Publisher FASB
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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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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

Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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