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Subsequent Events - Additional Information (Detail) - USD ($) $ in Millions				2 Months Ended
	Apr. 01, 2020	Feb. 06, 2020	Feb. 01, 2020	Feb. 21, 2020
Forecast [Member]
Subsequent Event [Line Items]
Renewal period of share repurchase	1 year
Stock repurchase program authorized to be repurchased	5,000,000.0
Subsequent Event [Member]
Subsequent Event [Line Items]
Stock repurchased, shares				200,000
Stock repurchased, value				$ 5.2
Renewal period of share repurchase		16 years
Subsequent Event [Member] | Minimum [Member]
Subsequent Event [Line Items]
Business acquisition, annualized revenue			$ 6.0
Subsequent Event [Member] | Alliance [Member]
Subsequent Event [Line Items]
Effective date of acquisition			Feb. 01, 2020
Acquired entity, name			Alliance Insurance Services, Inc.
Subsequent Event [Member] | PD [Member]
Subsequent Event [Line Items]
Effective date of acquisition			Feb. 01, 2020
Acquired entity, name			Pension Dynamics Company, LLC
Subsequent Event [Member] | Sunshine [Member]
Subsequent Event [Line Items]
Effective date of acquisition			Feb. 01, 2020
Acquired entity, name			Sunshine Systems

X

- Definition

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

+ References

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- Definition

Name of the acquired entity.

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- Definition

Total revenue reported by the acquired entity for its previous full fiscal year before the business acquisition.

+ References

No definition available.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

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- Definition

Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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