Employee Benefit Plan	12 Months Ended
Dec. 31, 2021
Retirement Benefits [Abstract]
Employee Benefit Plan	Note 12 - Employee Benefit Plan The Company maintains a 401(a) plan for contractors that are eligible under the Department of Labor Service Contract Act and a 401(k) plan for other salaried employees. Contractors earn contributions that are based on all eligible hours up to the maximum of 40 hours per week and reflect the hourly rates set by the Department of Labor. The designated rates vary based on the contractor’s work location and specific vehicle type. Certain salaried employees previously received a match on contributions up to 3% of the employee’s salary. Employer contributions to these plans for the years ended December 31, 2021 and 2020 were approximately $4.2 million and $4.3 million, respectively.

The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-URI http://asc.fasb.org/topic&trid=2228938

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 712
-URI http://asc.fasb.org/topic&trid=2197446

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-URI http://asc.fasb.org/topic&trid=2127225

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-URI http://asc.fasb.org/topic&trid=2235017

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