Average Annual Total Returns - Fund summary - C 000152757 [Member]	1 Year	Since Inception	Inception Date	After Taxes on Distributions 1 Year	After Taxes on Distributions Since Inception	After Taxes on Distributions Inception Date	After Taxes on Distributions and Sales 1 Year	After Taxes on Distributions and Sales Since Inception	After Taxes on Distributions and Sales Inception Date	I C E Bof A U S Treasury Bill Index [Member] 1 Year		I C E Bof A U S Treasury Bill Index [Member] Since Inception		I C E Bof A U S Treasury Bill Index [Member] Inception Date	Bloomberg Barclays U S M B S Index [Member] 1 Year	Bloomberg Barclays U S M B S Index [Member] Since Inception	Bloomberg Barclays U S M B S Index [Member] Inception Date
Total	10.40%	4.96%	Apr. 07, 2015	8.05%	3.32%	Apr. 07, 2015	6.14%	3.07%	Apr. 07, 2015	2.35%	[1]	1.15%	[1]	Apr. 07, 2015	6.35%	2.47%	Apr. 07, 2015

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