XML 88 R75.htm IDEA: XBRL DOCUMENT v3.22.4

Share-Based Compensation - 2006 Equity Plan (Details)	Dec. 31, 2022 shares
2006 Incentive Plan
Shares Using Fungibility Ratio
Shares available for grant (in shares)	238,061

X

- References

No definition available.

+ Details

Name:	crai_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesUsingFungibilityRatioAbstract
Namespace Prefix:	crai_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_PlanNameAxis=crai_AmendedAndRestatedEquityIncentivePlan2006Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: