XML 90 R85.htm IDEA: XBRL DOCUMENT v2.4.1.9
16. EMPLOYEE BENEFIT PLANS (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Compensation and Retirement Disclosure [Abstract]      
Deferred compensation, including interest earned $ 2,690us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent $ 2,543us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent  
Expense recognized under deferred compensation plan 150us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense 117us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense 116us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
Salary continuation plan, Annual benefits period up to 15 years    
Accrued retirement benefits payable 1,179us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent 1,132us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent  
Expense recognized under salary continuation plan 142us-gaap_PostemploymentBenefitsPeriodExpense 170us-gaap_PostemploymentBenefitsPeriodExpense 143us-gaap_PostemploymentBenefitsPeriodExpense
Cash surrender value of life insurance 14,167us-gaap_CashSurrenderValueOfLifeInsurance 12,686us-gaap_CashSurrenderValueOfLifeInsurance  
Tax-exempt income on life insurance, net of expense 383us-gaap_BankOwnedLifeInsuranceIncome 365us-gaap_BankOwnedLifeInsuranceIncome 266us-gaap_BankOwnedLifeInsuranceIncome
Tax-exempt income from death benefit proceeds of a life insurance policy on a former director $ 99amrb_TaxExemptIncomeFromProceedsOfDeathBenefitLifeInsurancePolicy $ 118amrb_TaxExemptIncomeFromProceedsOfDeathBenefitLifeInsurancePolicy