Defined Contribution Plan, Annual Contribution By Employee, Maximum Allowable Amount, Percent

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- Definition

Defined Contribution Plan, Annual Contribution By Employee, Minimum Allowable Amount, Percent

+ References

No definition available.

+ Details

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- Definition

Defined Contribution Plan, Employers Matching Contribution, Vesting Period

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No definition available.

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- Definition

Defined Contribution Plan, Requisite Service Period

+ References

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- Definition

Amount of cost for defined contribution plan.

+ References

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

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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

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

+ References

No definition available.

+ 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.

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- Definition

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

+ References

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Employee Benefits - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Defined Contribution Plan Disclosure
Minimum service period for plan eligibility	6 months
Minimum allowable contribution to the plan by each employee, percent	1.00%
Maximum allowable contribution to the plan by each employee, percent	80.00%
Employers matching contribution, vesting period	4 years
Company contributions to the plan	$ 1.2	$ 1.3	$ 1.4
Range 1
Defined Contribution Plan Disclosure
Employer matching contribution, percent	100.00%
Employer matching contribution, percent of employees' gross pay	2.00%
Range 2
Defined Contribution Plan Disclosure
Employer matching contribution, percent	50.00%
Employer matching contribution, percent of employees' gross pay	2.00%
AGC Southwest Chapters 401(k) Retirement Plan
Defined Contribution Plan Disclosure
Employer matching contribution, percent	50.00%
Employers matching contribution, vesting period	5 years
Employer matching contribution, percent of employees' gross pay	6.00%
Employer discretionary contribution amount	$ 0.1	$ 0.1	$ 0.2