Defined contribution plan employee contributions percentage of eligible compensation.

No definition available.

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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

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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

Percentage of employees' gross pay for which the employer contributes a matching contribution 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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- Details

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- Details

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Employee Benefits - Additional Information (Detail) - 401(k) retirement plan - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Matching employer contribution percentage to defined contribution retirement plan	100.00%
Percent of match of each employee's contribution for defined contribution retirement plan	6.00%
Cost of employer contributions to the plan	$ 3.3	$ 2.9	$ 2.5
Minimum
Defined Benefit Plan Disclosure [Line Items]
Employees contribution percentage to defined contribution retirement plan	1.00%
Maximum
Defined Benefit Plan Disclosure [Line Items]
Employees contribution percentage to defined contribution retirement plan	100.00%