Represents the amount due to related party for invoice payment made on behalf of the entity.

No definition available.

Name:	crwn_RelatedPartyInvoicePaymentsDueToAffiliatesCurrent
Namespace Prefix:	crwn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the period prior to due date of tax returns for payment of tax under an agreement.

+ References

No definition available.

+ Details

Name:	crwn_RelatedPartyPeriodPriorToDueDateForTaxPayment
Namespace Prefix:	crwn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the amount due to related party for taxes paid on behalf of the entity.

+ References

No definition available.

+ Details

Name:	crwn_RelatedPartyTaxPaymentsDueToAffiliatesCurrent
Namespace Prefix:	crwn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the amount of foreign currency purchased from related party.

+ References

No definition available.

+ Details

Name:	crwn_RelatedPartyTransactionForeignCurrencyAmountPurchased
Namespace Prefix:	crwn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount paid to related party as per federal tax sharing agreement.

+ References

No definition available.

+ Details

Name:	crwn_RelatedPartyTransactionReimbursableAmountPaid
Namespace Prefix:	crwn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k)(1))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DueToRelatedPartiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of any current tax-related balances due to affiliates as of the date of each statement of financial position presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 17
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32809-109319

+ Details

Name:	us-gaap_RelatedPartyTaxExpenseDueToAffiliatesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

+ Details

Name:	us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=crwn_HallmarkCardsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=crwn_StateTaxSharingAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=crwn_ServicesAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=crwn_HallmarkCardsAffiliatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Related Party Transactions (Details) CAD in Millions	3 Months Ended			12 Months Ended
Related Party Transactions (Details) CAD in Millions	Mar. 31, 2016 CAD	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 CAD	Dec. 31, 2015 USD ($)
Related Party Transactions
Payables to Hallmark Cards and affiliates		$ 658,000				$ 353,000
Hallmark Cards
Related Party Transactions
Payment to Hallmark Cards			$ 3,800,000			6,700,000
Canadian dollars purchased from Hallmark Cards \| CAD	CAD 3.6				CAD 8.8
Hallmark Cards \| State tax sharing agreement
Related Party Transactions
Amount owed under tax sharing agreement		$ 221,000				$ 358,000
Period prior to due date of state tax returns when amount will be payable	2 days	2 days			2 days	2 days
Hallmark Cards \| Services Agreement
Related Party Transactions
Fees for related party services						$ 389,000
Hallmark Cards \| Services Agreement \| Forecast
Related Party Transactions
Fees for related party services				$ 426,000
Hallmark Cards affiliates
Related Party Transactions
Payables to Hallmark Cards and affiliates		$ 658,000				353,000
Amount of taxes paid on behalf of the entity						346,000
Amount of invoice payment made on behalf of the entity						$ 7,000