Aggregate offering price of securities.

No definition available.

Name:	cara_AggregateOfferingPriceOfSecurities
Namespace Prefix:	cara_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The number of votes that each common stock receives.

+ References

No definition available.

+ Details

Name:	cara_NumberOfVotesForEachShareOfCommonStock
Namespace Prefix:	cara_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of payment may be made in stock instead of cash.

+ References

No definition available.

+ Details

Name:	cara_PercentageOfPaymentInStock
Namespace Prefix:	cara_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Proceeds from issuance of common stock net of underwriting discounts commissions and estimated offering expenses.

+ References

No definition available.

+ Details

Name:	cara_ProceedsFromIssuanceOfCommonStockNetOfUnderwritingDiscountsCommissionsAndEstimatedOfferingExpenses
Namespace Prefix:	cara_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The period taken in to consideration for determination of average share price.

+ References

No definition available.

+ Details

Name:	cara_SharePriceAverageDeterminationPeriod
Namespace Prefix:	cara_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of upfront fee paid in cash.

+ References

No definition available.

+ Details

Name:	cara_UpfrontFeeCash
Namespace Prefix:	cara_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of upfront fee payable.

+ References

No definition available.

+ Details

Name:	cara_UpfrontFeePayable
Namespace Prefix:	cara_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of upfront fee payable in the mode of shares.

+ References

No definition available.

+ Details

Name:	cara_UpfrontFeePayableStock
Namespace Prefix:	cara_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of upfront payment in the form of shares.

+ References

No definition available.

+ Details

Name:	cara_UpfrontFeePaymentStock
Namespace Prefix:	cara_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-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=122041274&loc=d3e301413-122809

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-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=120381028&loc=d3e5070-113901

+ Details

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

- Definition

Face amount or stated value per share of common stock.

+ References

+ Details

Name:	us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

+ Details

Name:	us-gaap_CommonStockSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

+ Details

Name:	us-gaap_CommonStockSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_CommonStockSharesOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585

+ Details

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

- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

+ Details

Name:	us-gaap_PreferredStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

+ Details

Name:	us-gaap_PreferredStockSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

+ References

+ Details

Name:	us-gaap_PreferredStockSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

+ Details

Name:	us-gaap_PreferredStockSharesOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

Name:	us-gaap_SharesIssuedPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

+ References

No definition available.

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of new stock issued during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders.

+ References

No definition available.

+ Details

Name:	us-gaap_StockIssuedDuringPeriodValueIssuedForServices
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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_SubsidiarySaleOfStockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_GeneralAndAdministrativeExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_TypeOfArrangementAxis=cara_ExclusiveLicenseAgreementMember
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_SubsidiarySaleOfStockAxis=cara_FollowOnPublicOfferingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=srt_ExecutiveOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_OverAllotmentOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=cara_TwoThousandAndFourteenEquityIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=srt_DirectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=cara_June2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=cara_December2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=cara_February2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=cara_December2019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=cara_August2021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=cara_FebruaryAndMarch2021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=cara_AprilAndJune2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=cara_TimeBasedRestrictedStockUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=cara_June2021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=cara_February2021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Stockholders' Equity - Additional Information (Detail) $ / shares in Units, $ in Thousands			1 Months Ended													2 Months Ended	3 Months Ended	12 Months Ended
	Aug. 31, 2019 USD ($) $ / shares	Jul. 29, 2019 USD ($) $ / shares shares	Oct. 31, 2021 shares	Aug. 31, 2021 shares	Jun. 30, 2021 shares	Mar. 31, 2021 shares	Feb. 28, 2021 shares	Dec. 31, 2020 $ / shares shares	Oct. 31, 2020 shares	Jun. 30, 2020 shares	Feb. 29, 2020	Dec. 31, 2019 $ / shares shares	Aug. 31, 2019 USD ($) $ / shares shares	May 31, 2019 shares	Mar. 31, 2019 shares	Mar. 31, 2021 shares	Jun. 30, 2020 shares	Dec. 31, 2021 USD ($) item $ / shares shares	Dec. 31, 2020 USD ($) item $ / shares shares	Dec. 31, 2019 USD ($) item $ / shares shares	Apr. 04, 2019 USD ($)	Mar. 20, 2019 $ / shares
Sale Of Stock [Line Items]
Common stock, shares authorized								100,000,000										100,000,000	100,000,000
Common stock, par value \| $ / shares								$ 0.001										$ 0.001	$ 0.001
Preferred stock, shares authorized								5,000,000										5,000,000	5,000,000
Preferred stock, par value \| $ / shares								$ 0.001										$ 0.001	$ 0.001
Common stock, shares outstanding								49,872,213										53,480,812	49,872,213
Common stock, shares issued								49,872,213										53,480,812	49,872,213
Preferred stock, shares issued								0										0	0
Preferred Stock Shares Outstanding								0										0	0
Number of votes for each share of common stock \| item																		1	1	1
Unregistered common stock exchanged for consulting services \| $																				$ 197
Shareholder Consulting Agreement [Member]
Sale Of Stock [Line Items]
Number of shares of unregistered common stock exchanged for consulting services															10,195
Price per share \| $ / shares																						$ 19.37
Consulting services performance period															6 months
General and Administrative [Member] \| Shareholder Consulting Agreement [Member]
Sale Of Stock [Line Items]
Compensation expense \| $																				$ 197
Regulatory Milestones [Member] \| Vifor International Ltd. [Member]
Sale Of Stock [Line Items]
Common stock, shares issued			3,282,391
Enteris License Agreement [Member]
Sale Of Stock [Line Items]
Upfront fee \| $	$ 8,000												$ 8,000
Upfront fee payment, cash \| $													4,000
Upfront fee payment, stock \| $													$ 4,000
Price per share \| $ / shares	$ 23.42												$ 23.42
Share price average, Determination period													30 days
Percentage of payment, stock	50.00%
Exclusive License Agreement [Member] \| Vifor International Ltd. [Member]
Sale Of Stock [Line Items]
Common stock, shares issued									2,939,552
Maximum [Member]
Sale Of Stock [Line Items]
Aggregate offering price of securities \| $																					$ 300,000
Follow-on Public Offering
Sale Of Stock [Line Items]
Price per share \| $ / shares												$ 23.00								$ 23.00
Common Stock
Sale Of Stock [Line Items]
Common stock, shares issued																				6,325,000
Restricted stock units vested shares																		189,421	156,584	110,832
Number of shares of unregistered common stock exchanged for consulting services																				10,195
Common Stock \| Executive Officers [Member]
Sale Of Stock [Line Items]
Restricted stock units vested shares														74,166
Common Stock \| Enteris License Agreement [Member]
Sale Of Stock [Line Items]
Common stock, shares issued													170,793
Upfront fee payable, stock \| $	$ 4,000												$ 4,000
Common Stock \| Follow-on Public Offering
Sale Of Stock [Line Items]
Common stock, shares issued		6,325,000
Price per share \| $ / shares		$ 23.00
Proceeds from issuance of common stock net of underwriting discounts, commissions and estimated offering expenses \| $		$ 136,498
Common Stock \| Underwriter's Over-Allotment [Member]
Sale Of Stock [Line Items]
Common stock, shares issued		825,000
Underwriting discounts, commission and offering expenses \| $		$ 8,977
Restricted Stock Units [Member] \| 2014 Equity Incentive Plan [Member] \| Executive Officers [Member]
Sale Of Stock [Line Items]
Common stock, shares issued												36,666		74,166						36,666
Restricted Stock Units [Member] \| General and Administrative [Member] \| Director [Member]
Sale Of Stock [Line Items]
Compensation expense \| $																		$ 565	$ 528	$ 287
Restricted Stock Units [Member] \| General and Administrative [Member] \| Executive Officers [Member]
Sale Of Stock [Line Items]
Compensation expense \| $																		2,324	1,167	$ 1,180
Restricted Stock Units [Member] \| General and Administrative [Member] \| 2014 Equity Incentive Plan [Member] \| Director [Member] \| June 2020 [Member]
Sale Of Stock [Line Items]
Compensation expense \| $																		$ 239	323
Restricted Stock Units [Member] \| Common Stock \| Director [Member]
Sale Of Stock [Line Items]
Vesting period of awards granted										1 year
Performance Restricted Stock Units [Member] \| 2014 Equity Incentive Plan [Member] \| Executive Officers [Member] \| December 2020 [Member]
Sale Of Stock [Line Items]
Restricted stock units, vested								36,750
Performance Restricted Stock Units [Member] \| 2014 Equity Incentive Plan [Member] \| Executive Officers [Member] \| February 2020 [Member]
Sale Of Stock [Line Items]
Restricted stock units, vested						40,000	36,750											113,500
Compensation expense \| $																		$ 1,256	601
Performance Restricted Stock Units [Member] \| General and Administrative [Member] \| 2014 Equity Incentive Plan [Member] \| Executive Officers [Member] \| February 2020 [Member]
Sale Of Stock [Line Items]
Compensation expense \| $																		$ 732	405
Performance Restricted Stock Units [Member] \| Common Stock \| December 2019 [Member]
Sale Of Stock [Line Items]
Restricted stock units, vested												36,666
Performance Restricted Stock Units [Member] \| Common Stock \| Executive Officers [Member] \| August 2021 [Member]
Sale Of Stock [Line Items]
Restricted stock units, vested				44,002
Performance Restricted Stock Units [Member] \| Common Stock \| Executive Officers [Member] \| February and March 2021 [Member]
Sale Of Stock [Line Items]
Restricted stock units, vested																76,750
Performance Restricted Stock Units [Member] \| Common Stock \| Executive Officers [Member] \| April And June 2020 [Member]
Sale Of Stock [Line Items]
Restricted stock units, vested																	95,834
Time-based Restricted Stock Units [Member] \| 2014 Equity Incentive Plan [Member] \| Executive Officers [Member] \| February 2020 [Member]
Sale Of Stock [Line Items]
Vesting period of awards granted											3 years
Restricted stock units, vested							32,669											32,669
Compensation expense \| $																		$ 607	455
Time-based Restricted Stock Units [Member] \| General and Administrative [Member] \| 2014 Equity Incentive Plan [Member] \| Executive Officers [Member] \| February 2020 [Member]
Sale Of Stock [Line Items]
Compensation expense \| $																		$ 433	$ 306
Time-based Restricted Stock Units [Member] \| Common Stock \| Director [Member] \| June 2021 [Member]
Sale Of Stock [Line Items]
Vesting period of awards granted					1 year
Restricted stock units, vested					36,000
Time-based Restricted Stock Units [Member] \| Common Stock \| Director [Member] \| June 2020 [Member]
Sale Of Stock [Line Items]
Restricted stock units, vested										24,000
Time-based Restricted Stock Units [Member] \| Common Stock \| Executive Officers [Member] \| February 2021 [Member]
Sale Of Stock [Line Items]
Vesting period of awards granted							3 years
Restricted stock units, vested							32,669