XML 81 R67.htm IDEA: XBRL DOCUMENT
v3.20.2

Subsequent Events - Additional Information (Details) - Subsequent Event | Nov. 01, 2020 USD ($) | Oct. 01, 2020 USD ($) Installment
--- | --- | ---
Crawford Carvallo |  |
Subsequent Event [Line Items] |  |
Membership interest percentage |  | 85.00%
Percentage of held interest prior to acquisition |  | 15.00%
Initial lump-sum payment of purchase price |  | $ 11,600,000
Number of annual installments of purchase price | Installment |  | 6
Crawford Carvallo | Maximum |  |
Subsequent Event [Line Items] |  |
Payment to acquire business |  | $ 11,700,000
Project Griffith |  |
Subsequent Event [Line Items] |  |
Membership interest percentage | 100.00% |
Payment to acquire business | $ 3,200,000 |
Project Griffith | Maximum |  |
Subsequent Event [Line Items] |  |
Initial lump-sum payment of purchase price | $ 5,000,000 |

X
- Definition Business acquisition initial lump-sum payment. + References No definition available. + Details
Name: | crda_BusinessAcquisitionInitialLumpSumPayment
Namespace Prefix: | crda_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Business acquisition percentage of voting interests held prior to acquisition. + References No definition available. + Details
Name: | crda_BusinessAcquisitionPercentageOfVotingInterestsHeldPriorToAcquisition
Namespace Prefix: | crda_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of annual installments for payment of purchase price. + References No definition available. + Details
Name: | crda_NumberOfAnnualInstallmentsForPaymentOfPurchasePrice
Namespace Prefix: | crda_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=crda_CrawfordCarvalloMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=crda_ProjectGriffithMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |