Represents the maturity period of loan issued to customers.

No definition available.

Name:	ccfi_FinanceReceivableMaturityPeriodOfTermLoan
Namespace Prefix:	ccfi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage of interest rate on loan products as per the statute.

+ References

No definition available.

+ Details

Name:	ccfi_FinanceReceivablePercentageOfInterestAsPerStatute
Namespace Prefix:	ccfi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents financing receivables subject to extended payment plan offered to all the borrowers.

+ References

No definition available.

+ Details

Name:	ccfi_FinanceReceivablesExtendedPaymentPlan
Namespace Prefix:	ccfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents extended repayment term of the plan offered to all the borrowers.

+ References

No definition available.

+ Details

Name:	ccfi_FinanceReceivablesExtendedRepaymentTerm
Namespace Prefix:	ccfi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage fee charged per $.1 borrowed.

+ References

No definition available.

+ Details

Name:	ccfi_FinanceReceivablesFeeAsPercentagePer0.1DollarAsPerStatute
Namespace Prefix:	ccfi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the maturity period of promissory notes accepted from the customers.

+ References

No definition available.

+ Details

Name:	ccfi_FinanceReceivablesMaturityPeriodOfPromissoryNote
Namespace Prefix:	ccfi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents number of extended repayments.

+ References

No definition available.

+ Details

Name:	ccfi_FinanceReceivablesNumberOfExtendedRepayments
Namespace Prefix:	ccfi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the past due accounts period when accounts are required to be charged-off.

+ References

No definition available.

+ Details

Name:	ccfi_PeriodOfPastDueAccountsConsideredForChargeOff
Namespace Prefix:	ccfi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10(3))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_NotesReceivableGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

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

- Definition

The cash outflow to acquire an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireNotesReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ccfi_ShortTermConsumerLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ccfi_MediumTermLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ccfi_MediumTermLoansMaturityPeriodUpToOneYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ccfi_MediumTermLoansMaturityPeriodGreaterThanOneYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ccfi_SecuredShortTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis=us-gaap_ConsumerBorrowerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ccfi_UnsecuredShortTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ccfi_SecuredMediumTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ccfi_UnsecuredMediumTermLoanMember
Namespace Prefix:
Data Type:	na
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Ownership, Nature of Business - Financing Receivables (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($) payment	Dec. 31, 2017 USD ($)	Mar. 31, 2018 USD ($)
Finance receivables
Number of extended payments \| payment		4
Extended payment term		56 days
Gross loan receivables subject to repayment plans		$ 135	$ 184
Total Finance receivables at the end of the period	$ 80,155	89,808	$ 113,368	$ 88,975
Short-term consumer loans
Finance receivables
Total Finance receivables at the end of the period	51,283	53,779
Medium-term consumer loans
Finance receivables
Total Finance receivables at the end of the period	$ 28,872	36,029
Medium term loans up to one year
Finance receivables
Maturity period of loan, for loan balances to be charged-off when accounts are past due by stipulated period	1 year
Period of past due when accounts are required to be charged-off	60 days
Medium term loans greater than one year
Finance receivables
Maturity period of loan, for loan balances to be charged-off when accounts are past due by stipulated period	1 year
Minimum \| Secured short term loan
Finance receivables
Period of past due when accounts are required to be charged-off	30 days
Maximum \| Secured short term loan
Finance receivables
Period of past due when accounts are required to be charged-off	60 days
Maximum \| Medium term loans greater than one year
Finance receivables
Period of past due when accounts are required to be charged-off	91 days
Consumer Borrower
Finance receivables
Total Finance receivables at the end of the period	$ 80,155	89,808
Consumer Borrower \| Short-term consumer loans
Finance receivables
Total Finance receivables at the end of the period		$ 53,779		52,115
Consumer Borrower \| Secured short term loan
Finance receivables
Fee per $.1 borrowed (as a percent)	13.40%	12.80%	14.50%
Consumer Borrower \| Unsecured short term loan
Finance receivables
Interest rate on loan products (as a percent)	25.00%	25.00%
Consumer Borrower \| Medium-term consumer loans
Finance receivables
Total Finance receivables at the end of the period		$ 36,029		$ 36,860
Consumer Borrower \| Secured Medium Term Loan
Finance receivables
Maturity period of promissory note	90 days
Fee per $.1 borrowed (as a percent)	14.60%	13.70%	12.60%
Consumer Borrower \| Medium term loans up to one year
Finance receivables
Maturity period of loan, for loan balances to be charged-off when accounts are past due by stipulated period		1 year
Period of past due when accounts are required to be charged-off		60 days
Consumer Borrower \| Medium term loans greater than one year
Finance receivables
Maturity period of loan, for loan balances to be charged-off when accounts are past due by stipulated period		1 year
Consumer Borrower \| Minimum \| Secured short term loan
Finance receivables
Maturity period of promissory note	90 days
Consumer Borrower \| Minimum \| Unsecured short term loan
Finance receivables
Consumer loan products	$ 100	$ 100
Maturity period of promissory note	14 days	14 days
Fee per $.1 borrowed (as a percent)	15.00%	15.00%
Consumer Borrower \| Minimum \| Medium-term consumer loans
Finance receivables
Maturity period of promissory note	90 days	90 days
Consumer Borrower \| Minimum \| Unsecured Medium Term Loan
Finance receivables
Consumer loan products	$ 100	$ 100
Maturity period of promissory note	3 months	3 months
Consumer Borrower \| Minimum \| Secured Medium Term Loan
Finance receivables
Maturity period of promissory note		90 days
Consumer Borrower \| Maximum \| Short-term consumer loans
Finance receivables
Maturity period of promissory note	90 days	90 days
Consumer Borrower \| Maximum \| Secured short term loan
Finance receivables
Maturity period of promissory note		90 days
Consumer Borrower \| Maximum \| Unsecured short term loan
Finance receivables
Consumer loan products	$ 1,000	$ 1,000
Maturity period of promissory note	30 days	30 days
Fee per $.1 borrowed (as a percent)	20.00%	20.00%
Consumer Borrower \| Maximum \| Medium-term consumer loans
Finance receivables
Maturity period of promissory note	36 months	36 months
Consumer Borrower \| Maximum \| Unsecured Medium Term Loan
Finance receivables
Consumer loan products	$ 5,000	$ 5,000
Maturity period of promissory note	36 months	36 months
Consumer Borrower \| Maximum \| Medium term loans greater than one year
Finance receivables
Period of past due when accounts are required to be charged-off		91 days