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Shareholders' Equity - Additional Information (Detail) (USD $) | 0 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 13, 2012 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Class of Stock [Line Items] |  |  |  |
Issuance of common stock Dividend Reinvestment Plan |  | 100,000,000 us-gaap_CommonStockSharesAuthorized | 100,000,000 us-gaap_CommonStockSharesAuthorized |
Quarterly dividend declared per share | $ 0.066 us-gaap_DividendsPayableAmountPerShare |  |  |
Dividend payable date | Mar. 31, 2015 |  |  |
Dividend recorded date | Mar. 19, 2015 |  |  |
Number of stock option granted |  | 280,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross | 923,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross | 163,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Number of stock awards granted |  | 0 cece_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantedInPeriod | 0 cece_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantedInPeriod | 0 cece_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantedInPeriod
Number of performance-based awards outstanding |  | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
Share-based compensation expense |  | $ 1,700,000 us-gaap_AllocatedShareBasedCompensationExpense | $ 1,100,000 us-gaap_AllocatedShareBasedCompensationExpense | $ 700,000 us-gaap_AllocatedShareBasedCompensationExpense
Equity compensation expense capitalized in inventory or fixed assets |  | 0 cece_EquityCompensationExpenseCapitalizedInInventoryOrFixedAssets |  |
Tax benefit related to stock based compensation expense |  | 200,000 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense | 300,000 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense | 0 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
Employees offering dates intervals |  | 6 months |  |
Employee stock purchase plan expense |  | 19,000,000 cece_EmployeeStockPurchasePlanExpense | 19,000,000 cece_EmployeeStockPurchasePlanExpense | 16,000,000 cece_EmployeeStockPurchasePlanExpense
Contributions to the employees' stock ownership trust in cash |  | 0 us-gaap_EmployeeStockOwnershipPlanESOPCashContributionsToESOP | 0 us-gaap_EmployeeStockOwnershipPlanESOPCashContributionsToESOP | 0 us-gaap_EmployeeStockOwnershipPlanESOPCashContributionsToESOP
Contributions to the employees' stock ownership trust in shares |  | 0 us-gaap_EmployeeStockOwnershipPlanESOPSharesContributedToESOP | 0 us-gaap_EmployeeStockOwnershipPlanESOPSharesContributedToESOP | 0 us-gaap_EmployeeStockOwnershipPlanESOPSharesContributedToESOP
Weighted-average fair value of stock options granted |  | $ 6.48 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue | $ 6.18 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue | $ 3.81 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Expected Volatility Rate |  | 55.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate | 57.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate | 60.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate
Expected Term Period |  | 6 years 3 months 18 days | 6 years 6 months | 6 years 2 months 12 days
Risk-Free Interest Rate |  | 2.20%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate | 2.20%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate | 1.20%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
Expected dividend rate |  | 1.70%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate | 1.60%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate | 1.90%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Cash received from employee stock option exercised |  | 1,200,000 us-gaap_ProceedsFromStockPlans | 1,400,000 us-gaap_ProceedsFromStockPlans | 200,000 us-gaap_ProceedsFromStockPlans
Intrinsic value of option exercised |  | 2,400,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue | 2,700,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue | 100,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Warrants issued to acquire Icarus Share |  | 250,000 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights |  |
Warrants exercise price |  | $ 9.07 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 |  |
Warrants expiration date |  | Dec. 26, 2016 |  |
Share purchased |  | 61,500 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares | 180,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares | 63,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
Aggregate value transaction value of share purchased |  | 973,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue | 2,365,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue | 456,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
Market price per share |  |  | $ 13.14 us-gaap_SharePrice |
Stock repurchase program, amount authorized to be repurchased |  |  |  | 500,000 us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Stock repurchase program, period over which shares may be repurchased |  |  |  | 18 months
Conversion of debt to equity |  |  |  | 9,600,000 us-gaap_DebtConversionConvertedInstrumentAmount1
Common stock outstanding owned by certain controlling interests, minimum |  |  |  | 10.00%cece_CommonStockOutstandingPercentageOwnedByCertainControllingInterests
Convertible Promissory Notes [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Conversion of debt to equity |  |  |  | 9,600,000 us-gaap_DebtConversionConvertedInstrumentAmount1 / us-gaap_StatementEquityComponentsAxis = cece_ConvertiblePromissoryNotesMember
Common Stock [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Share purchased |  | 62,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 180,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 63,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
Aggregate value transaction value of share purchased |  | 1,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 2,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Conversion of debt to equity, Shares |  |  |  | 2,400,000 us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
Dividend Reinvestment Plan [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Issuance of common stock Dividend Reinvestment Plan | 750,000 us-gaap_CommonStockSharesAuthorized / us-gaap_PlanNameAxis = cece_DividendReinvestmentPlanMember |  |  |
2007 Plan [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Number of stock option granted |  | 280,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_PlanNameAxis = cece_TwoThousandSevenPlanMember | 923,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_PlanNameAxis = cece_TwoThousandSevenPlanMember |
Number of shares reserved for issuance |  | 2,600,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_PlanNameAxis = cece_TwoThousandSevenPlanMember |  |
Shares available for future grant |  | 309,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_PlanNameAxis = cece_TwoThousandSevenPlanMember |  |
Non Employee Stock Option [Member] | 2007 Plan [Member] | Minimum [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
2007 stock options or stock awards, vesting period |  | 1 year |  |
Non Employee Stock Option [Member] | 2007 Plan [Member] | Maximum [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
2007 stock options or stock awards, vesting period |  | 3 years |  |
Employee Stock Option [Member] | 2007 Plan [Member] | Minimum [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
2007 stock options or stock awards, vesting period |  | 3 years |  |
Employee Stock Option [Member] | 2007 Plan [Member] | Maximum [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
2007 stock options or stock awards, vesting period |  | 5 years |  |
Employee Stock Option [Member] | Awards Subject to Service Requirements [Member] | Maximum [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
2007 stock options or stock awards, vesting period |  | 3 years |  |
Restricted Stock [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Unrecognized compensation expense related to stock options and restricted stock |  | $ 5,400,000 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Weighted average vesting period |  | 4 years |  |
Restricted Stock [Member] | 2007 Plan [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Number of restricted stock awards granted |  | 6,000 us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = cece_TwoThousandSevenPlanMember |  |
Restricted Stock [Member] | 2007 Plan [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Restricted stock awards outstanding |  | 6,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = cece_TwoThousandAndSevenPlanMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = cece_TwoThousandAndSevenPlanMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = cece_TwoThousandAndSevenPlanMember
Employee Stock Purchase Plan [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Number of shares authorized in employee stock purchase plan |  | 1,500,000 cece_EmployeeStockPurchasePlanNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = cece_EmployeeStockPurchasePlanMember |  |
Employee stock purchase plan period |  | 10 years |  |
Discount from market price |  | 15.00%cece_EmployeeStockPurchasePlanDiscountFromMarketPrice / us-gaap_AwardTypeAxis = cece_EmployeeStockPurchasePlanMember |  |

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- Definition Expiration date of warrants held. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column A + Details
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.D.2) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section D -Subsection 2 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average expected volatility rate of share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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