v3.19.2

Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 29, 2019 | Jun. 30, 2018 | Jun. 29, 2019 | Jun. 30, 2018
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total revenue | [1] | $ 50,978 | $ 45,966 | $ 104,314 | $ 93,291
Point-in-time |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total revenue |  | 4,251 | 4,444 | 11,320 | 9,109
Over-time |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total revenue |  | 46,727 | 41,522 | 92,994 | 84,182
Matching Solutions |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total revenue |  | 36,086 | 33,949 | 72,390 | 67,151
Payment Solutions |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total revenue |  | 6,411 | 5,998 | 15,393 | 14,430
Care@Work Solutions |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total revenue |  | 6,106 | 4,146 | 12,062 | 8,101
Recruiting and Marketing Solutions and other |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Total revenue |  | $ 2,375 | $ 1,873 | $ 4,469 | $ 3,609
[1] | (1) Includes related party revenue of $876 and $705 for the three months ended June 29, 2019 and June 30, 2018, respectively. Includes related party revenue of $1,822 and $1,342 for the six months ended June 29, 2019 and June 30, 2018, respectively. (Note 14)

X
- 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. + Details
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredAtPointInTimeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredOverTimeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=crcm_MatchingSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=crcm_PaymentSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=crcm_CareWorkSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=crcm_RecruitingandMarketingSolutionsandOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |