XML 66 R51.htm IDEA: XBRL DOCUMENT
v3.19.1

STOCK-BASED COMPENSATION PLANS - Defined Contribution Plan and Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Defined Contribution Plan |  |  |
Matching percentage per dollar of the first 3% of participant deferral | 100.00% | 100.00% | 100.00%
First specified percentage of participant deferral upon which employer matches 100% contribution per dollar | 3.00% | 3.00% | 3.00%
Matching percentage per dollar of the next 2% contribution | 50.00% | 50.00% | 50.00%
Next specified percentage of employee contribution upon which employer matches 50% contribution per dollar | 2.00% | 2.00% | 2.00%
Participant deferral (as a percent) | 5.00% | 5.00% | 5.00%
Net costs related to defined contribution plan | $ 1,182 | $ 1,090 | $ 1,085
Dividends |  |  |
Dividends paid (in dollars per share) | $ 0.115 | $ 0.10 | $ 0.10
Total dividends paid | $ 1,079 | $ 959 | $ 942
Maximum |  |  |
Defined Contribution Plan |  |  |
Specified percentage of employee contribution upon which employer matches contribution | 4.00% | 4.00% | 4.00%

X
- Definition Represents the first specified percentage of participant deferral upon which employer matches contribution. + References No definition available. + Details
Name: | amot_DefinedContributionPlanEmployerMatchingContributionPercentOfMatchFirstSpecifiedPercentageOfParticipantDeferral
Namespace Prefix: | amot_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the next specified percentage of employee contribution upon which employer matches contribution. + References No definition available. + Details
Name: | amot_DefinedContributionPlanEmployerMatchingContributionPercentOfMatchNextSpecifiedPercentageOfEmployeeContribution
Namespace Prefix: | amot_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage employer matches the employee's first specified percentage contribution matched. + References No definition available. + Details
Name: | amot_DefinedContributionPlanEmployerMatchingContributionPercentOfMatchPerDollarOfFirstSpecifiedPercentageOfParticipantDeferral
Namespace Prefix: | amot_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage employer matches the employee's next specified percentage contribution matched. + References No definition available. + Details
Name: | amot_DefinedContributionPlanEmployerMatchingContributionPercentOfMatchPerDollarOfNextSpecifiedPercentageOfEmployeeContribution
Namespace Prefix: | amot_
Data Type: | num:percentItemType
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: | amot_ScheduleOfDefinedContributionBenefitPlansDisclosuresLineItems
Namespace Prefix: | amot_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: 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=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cost for defined contribution plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DividendsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. + 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 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDividends
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |