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Fair Value Measurements - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Parenthetical) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Fair Value Disclosures [Abstract]
Pretax Contingent Earnout Expense	$ 151,000	$ 248,000

X

- Definition

Pretax contingent earnout expenses.

+ References

No definition available.

+ Details

Name:	crda_PretaxContingentEarnoutExpenses
Namespace Prefix:	crda_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration