Debt instrument, debt default, interest rate in addition if there is a default.

No definition available.

Name:	cry_DebtInstrumentDebtDefaultInterestRate
Namespace Prefix:	cry_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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

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Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Period Type:	instant

- Details

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- Details

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- Details

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Debt (Narrative) (Details) - USD ($) $ in Thousands		1 Months Ended	12 Months Ended
Debt (Narrative) (Details) - USD ($) $ in Thousands	Nov. 30, 2017	Jun. 30, 2015	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 01, 2017	Jan. 20, 2016
Line of Credit Facility [Line Items]
Term loan balance			$ 225,953	$ 228,969
Credit facility default interest rate			2.00%
Credit facility aggregate interest rate			6.05%
Credit facility commitment fee percentage			0.50%
Interest expense			$ 15,800	4,900	$ 3,000
Term Loan [Member]
Line of Credit Facility [Line Items]
Term loan balance			222,750	225,000
Government Sponsored Debt [Member]
Line of Credit Facility [Line Items]
Loan term		9 years
2.45% Sparkasse Zollernalb (KFW Loan 1) [Member]
Line of Credit Facility [Line Items]
Term loan balance			1,318	1,657
Interest rate on amounts borrowed		2.45%
1.4% Sparkasse Zollernalb (KFW Loan 2) [Member]
Line of Credit Facility [Line Items]
Term loan balance			$ 1,885	$ 2,312
Interest rate on amounts borrowed		1.40%
On-X Agreement [Member] \| Term Loan [Member]
Line of Credit Facility [Line Items]
Credit facility outstanding balance	$ 68,700
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Credit facility aggregate commitments						$ 30,000
Credit facility maturity date			Dec. 01, 2022
Revolving Credit Facility [Member] \| On-X Agreement [Member]
Line of Credit Facility [Line Items]
Credit facility aggregate commitments							$ 20,000
Revolving Credit Facility [Member] \| JOTEC [Member]
Line of Credit Facility [Line Items]
Credit facility aggregate commitments						30,000
Revolving Credit Facility [Member] \| Minimum [Member] \| Base Rate [Member]
Line of Credit Facility [Line Items]
Credit facility margin			3.00%
Revolving Credit Facility [Member] \| Minimum [Member] \| LIBOR [Member]
Line of Credit Facility [Line Items]
Credit facility margin			4.00%
Revolving Credit Facility [Member] \| Maximum [Member] \| Base Rate [Member]
Line of Credit Facility [Line Items]
Credit facility margin			3.25%
Revolving Credit Facility [Member] \| Maximum [Member] \| LIBOR [Member]
Line of Credit Facility [Line Items]
Credit facility margin			4.25%
Senior Secured Credit Facility [Member]
Line of Credit Facility [Line Items]
Credit facility aggregate commitments						255,000
Senior Secured Credit Facility [Member] \| On-X Agreement [Member]
Line of Credit Facility [Line Items]
Credit facility aggregate commitments							95,000
Senior Secured Credit Facility [Member] \| JOTEC [Member]
Line of Credit Facility [Line Items]
Credit facility aggregate commitments						255,000
Term Loan [Member]
Line of Credit Facility [Line Items]
Term loan balance						225,000
Term Loan [Member] \| On-X Agreement [Member]
Line of Credit Facility [Line Items]
Term loan balance							75,000
Credit facility commitment fee percentage	0.50%
Interest rate on amounts borrowed	3.99%
Term Loan [Member] \| JOTEC [Member]
Line of Credit Facility [Line Items]
Term loan balance						$ 225,000
Credit facility maturity date			Dec. 01, 2024
Term Loan [Member] \| JOTEC [Member] \| Base Rate [Member]
Line of Credit Facility [Line Items]
Credit facility margin			2.25%	3.00%
Term Loan [Member] \| JOTEC [Member] \| LIBOR [Member]
Line of Credit Facility [Line Items]
Credit facility margin			3.25%	4.00%
Letter Of Credit Sub-Facility [Member] \| On-X Agreement [Member]
Line of Credit Facility [Line Items]
Credit facility aggregate commitments							4,000
Bridge Loan Swing-line Sub-facility [Member] \| On-X Agreement [Member]
Line of Credit Facility [Line Items]
Credit facility aggregate commitments							$ 3,000