INSERT INTO [Detail] ( ADID_CD, [TOT POP], LOAD_PRD, RUN_DATE, Run, ReportYYYYMM )
SELECT Billed.ADID_CD, Billed.EMPL_ASGND_BF_MACH_CNT AS [TOT POP], Billed.LOAD_PRD, Billed.RUN_DATE, [Run Table].Report_Run, [Run Table].ReportYYYYMM
FROM ([ADID Rollup] INNER JOIN Billed ON [ADID Rollup].REPADID...