C000029788C000029790C000254316C000122569C000079024C000029791Columbia Threadneedle: Bloomberg U.S. Aggregate Bond IndexColumbia Threadneedle: Bloomberg U.S. Aggregate Bond Index_28052Columbia Threadneedle: Bloomberg U.S. Aggregate Bond IndexColumbia Threadneedle: Bloomberg U.S. Aggregate Bond Index_28051Columbia Threadneedle: Bloomberg U.S. Aggregate Bond IndexColumbia Threadneedle: Bloomberg U.S. Aggregate Bond Index_28050Columbia Threadneedle: Bloomberg U.S. Aggregate Bond IndexColumbia Threadneedle: Bloomberg U.S. Aggregate Bond Index_28049Columbia Threadneedle: Bloomberg U.S. Aggregate Bond IndexColumbia Threadneedle: Bloomberg U.S. Aggregate Bond Index_28048Columbia Threadneedle: Bloomberg U.S. Aggregate Bond IndexColumbia Threadneedle: Bloomberg U.S. Aggregate Bond Index_28047Columbia Threadneedle: Bloomberg 1-3 Year Government/Credit IndexColumbia Threadneedle: Bloomberg 1-3 Year Government/Credit Index_28052Columbia Threadneedle: Bloomberg 1-3 Year Government/Credit IndexColumbia Threadneedle: Bloomberg 1-3 Year Government/Credit Index_28051Columbia Threadneedle: Bloomberg 1-3 Year Government/Credit IndexColumbia Threadneedle: Bloomberg 1-3 Year Government/Credit Index_28050Columbia Threadneedle: Bloomberg 1-3 Year Government/Credit IndexColumbia Threadneedle: Bloomberg 1-3 Year Government/Credit Index_28049Columbia Threadneedle: Bloomberg 1-3 Year Government/Credit IndexColumbia Threadneedle: Bloomberg 1-3 Year Government/Credit Index_28048Columbia Threadneedle: Bloomberg 1-3 Year Government/Credit IndexColumbia Threadneedle: Bloomberg 1-3 Year Government/Credit Index_28047FR_92842UAA0FR_30227TAA8FR_617932AA6FR_912797SM0FR_00833BAA6FR_00140NAW0FR_74334DAA1FR_559922AL3FR_29004FAA9FR_95001CAA0Investment Type [Axis]AssetCorporate Bonds & NotesAssetResidential Mortgage-Backed Securities - Non-AgencyAssetAsset-Backed Securities - Non-AgencyAssetCommercial Mortgage-Backed Securities - Non-AgencyAssetResidential Mortgage-Backed Securities - AgencyAssetMoney Market FundsAsset Other LineNo Trading Symbol [Flag]AssetsNetInvestmentCompanyPortfolioTurnover