Defined contribution plans employee contribution percentage of eligible compensation matched by employer.

No definition available.

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- Definition

The number of company shares in the 401(k) plan. Company shares owned through the 401(k) plan are included in the calculation of weighted-average shares outstanding for purposes of calculating basic and diluted earnings-per-share.

+ References

No definition available.

+ Details

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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.

+ Details

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- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

+ Details

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

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Employee Benefit Plans - Additional Information (Detail) - USD ($) shares in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Discretionary profit sharing		$ 0	$ 0	$ 0
Contribution plan, employer matching contribution percentage				50.00%
Defined contribution plans employee contribution percentage of eligible compensation matched by employer				6.00%
Shares allocated to the employee stock ownership plan		0.6	0.7
Contribution expense under employee stock ownership plan		$ 9,800,000	$ 8,600,000	$ 4,700,000
Employer Matching Contribution Tranche One [Member]
Defined Benefit Plan Disclosure [Line Items]
Contribution plan, employer matching contribution percentage	75.00%
Defined contribution plans employee contribution percentage of eligible compensation matched by employer	4.00%
Employer Matching Contribution Tranche Two [Member]
Defined Benefit Plan Disclosure [Line Items]
Contribution plan, employer matching contribution percentage	50.00%
Defined contribution plans employee contribution percentage of eligible compensation matched by employer	4.00%