XML 74 R59.htm IDEA: XBRL DOCUMENT
v3.19.1

Stock-Based Incentive Plans Schedule of Grants by Type (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period | 102,000 |
Share-based Compensation Arrangement by Share-based Payment Award, Total Grants During the Period | 1,032,000,000 | 1,368,000,000
Share-based Compensation Arrangement by Share-based Payment Award, All Grants, Fair Value | $ 1,974,000 | $ 2,930,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 930,000 |
Share-based Compensation Arrangment by Share-based Payment Award, Options, Granted, Fair Value | $ 1,588,000 |
Time Based Vesting Conditions [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 930,000,000 | 1,368,000,000
Share-based Compensation Arrangment by Share-based Payment Award, Options, Granted, Fair Value | $ 1,588,000 | $ 2,930,000
Performance Based Vesting Conditions [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period | 102,000,000 | 0
Share-based Compensation Arrangement by Share-based Payment Award, Restricted Stock Awards, Granted, Fair Value | $ 386,000 | $ 0

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, All Grants, Fair Value + References No definition available. + Details
Name: | actg_SharebasedCompensationArrangementbySharebasedPaymentAwardAllGrantsFairValue
Namespace Prefix: | actg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Restricted Stock Awards, Granted, Fair Value + References No definition available. + Details
Name: | actg_SharebasedCompensationArrangementbySharebasedPaymentAwardRestrictedStockAwardsGrantedFairValue
Namespace Prefix: | actg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Total Grants During the Period + References No definition available. + Details
Name: | actg_SharebasedCompensationArrangementbySharebasedPaymentAwardTotalGrantsDuringthePeriod
Namespace Prefix: | actg_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangment by Share-based Payment Award, Options, Granted, Fair Value + References No definition available. + Details
Name: | actg_SharebasedCompensationArrangmentbySharebasedPaymentAwardOptionsGrantedFairValue
Namespace Prefix: | actg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=actg_TimeBasedVestingConditionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=actg_PerformanceBasedVestingConditionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |