Shareholder Report, Holdings (Details)	Jan. 31, 2025
C000155940 [Member] | Palantir Technologies Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.30%	[1]
C000155940 [Member] | AppLovin Corp Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.80%	[1]
C000155940 [Member] | iShares Russell Mid Cap ETF [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.70%	[1]
C000155940 [Member] | Arthur J Gallagher And Co [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%	[1]
C000155940 [Member] | Williams Cos Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[1]
C000155940 [Member] | Bank of New York Mellon Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[1]
C000155940 [Member] | Royal Caribbean Cruises Ltd [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[1]
C000155940 [Member] | Hilton Worldwide Holdings Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[1]
C000155940 [Member] | Aflac Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[1]
C000155940 [Member] | Coinbase Global Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[1]
C000155940 [Member] | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.20%	[2]
C000155940 [Member] | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	16.90%	[2]
C000155940 [Member] | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.50%	[2]
C000155940 [Member] | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.30%	[2]
C000155940 [Member] | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.50%	[2]
C000155940 [Member] | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.50%	[2]
C000155940 [Member] | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	16.90%	[2]
C000155940 [Member] | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.00%	[2]
C000155940 [Member] | Materials Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.30%	[2]
C000155940 [Member] | Utilities Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.40%	[2]
C000155940 [Member] | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.30%	[2],[3]
C000155940 [Member] | Short-Term Investments [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%	[2]
C000155940 [Member] | Liabilities in Excess of Other Assets [Member]
Holdings [Line Items]
Percent of Net Asset Value	(2.50%)	[2]
C000163604 [Member] | Palantir Technologies Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.30%	[4]
C000163604 [Member] | AppLovin Corp Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.80%	[4]
C000163604 [Member] | iShares Russell Mid Cap ETF [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.70%	[4]
C000163604 [Member] | Arthur J Gallagher And Co [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%	[4]
C000163604 [Member] | Williams Cos Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[4]
C000163604 [Member] | Bank of New York Mellon Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[4]
C000163604 [Member] | Royal Caribbean Cruises Ltd [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[4]
C000163604 [Member] | Hilton Worldwide Holdings Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[4]
C000163604 [Member] | Aflac Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[4]
C000163604 [Member] | Coinbase Global Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[4]
C000163604 [Member] | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.20%	[5]
C000163604 [Member] | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	16.90%	[5]
C000163604 [Member] | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.50%	[5]
C000163604 [Member] | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.30%	[5]
C000163604 [Member] | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.50%	[5]
C000163604 [Member] | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.50%	[5]
C000163604 [Member] | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	16.90%	[5]
C000163604 [Member] | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.00%	[5]
C000163604 [Member] | Materials Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.30%	[5]
C000163604 [Member] | Utilities Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.40%	[5]
C000163604 [Member] | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.30%	[5],[6]
C000163604 [Member] | Short-Term Investments [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%	[5]
C000163604 [Member] | Liabilities in Excess of Other Assets [Member]
Holdings [Line Items]
Percent of Net Asset Value	(2.50%)	[5]
C000155941 [Member] | Palantir Technologies Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.30%	[7]
C000155941 [Member] | AppLovin Corp Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.80%	[7]
C000155941 [Member] | iShares Russell Mid Cap ETF [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.70%	[7]
C000155941 [Member] | Arthur J Gallagher And Co [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.60%	[7]
C000155941 [Member] | Williams Cos Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[7]
C000155941 [Member] | Bank of New York Mellon Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[7]
C000155941 [Member] | Royal Caribbean Cruises Ltd [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[7]
C000155941 [Member] | Hilton Worldwide Holdings Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[7]
C000155941 [Member] | Aflac Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[7]
C000155941 [Member] | Coinbase Global Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[7]
C000155941 [Member] | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.20%	[8]
C000155941 [Member] | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	16.90%	[8]
C000155941 [Member] | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.50%	[8]
C000155941 [Member] | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.30%	[8]
C000155941 [Member] | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.50%	[8]
C000155941 [Member] | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.50%	[8]
C000155941 [Member] | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	16.90%	[8]
C000155941 [Member] | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.00%	[8]
C000155941 [Member] | Materials Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.30%	[8]
C000155941 [Member] | Utilities Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.40%	[8]
C000155941 [Member] | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.30%	[8],[9]
C000155941 [Member] | Short-Term Investments [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%	[8]
C000155941 [Member] | Liabilities in Excess of Other Assets [Member]
Holdings [Line Items]
Percent of Net Asset Value	(2.50%)	[8]
C000159049 [Member] | Apple Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.70%	[10]
C000159049 [Member] | Microsoft Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.30%	[10]
C000159049 [Member] | NVIDIA Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.80%	[10]
C000159049 [Member] | Amazon com Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.80%	[10]
C000159049 [Member] | Meta Platforms Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%	[10]
C000159049 [Member] | Alphabet Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%	[10]
C000159049 [Member] | Tesla Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%	[10]
C000159049 [Member] | Broadcom Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.70%	[10]
C000159049 [Member] | Alphabet Inc Class C [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.70%	[10]
C000159049 [Member] | Berkshire Hathaway Inc Class B [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.50%	[10]
C000159049 [Member] | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.30%	[11]
C000159049 [Member] | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.60%	[11]
C000159049 [Member] | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.60%	[11]
C000159049 [Member] | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%	[11]
C000159049 [Member] | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.40%	[11]
C000159049 [Member] | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.20%	[11]
C000159049 [Member] | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.50%	[11]
C000159049 [Member] | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	28.20%	[11]
C000159049 [Member] | Materials Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%	[11]
C000159049 [Member] | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.80%	[11],[12]
C000159049 [Member] | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.40%	[11]
C000159049 [Member] | Short-Term Investments [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.20%	[11]
C000159049 [Member] | Liabilities in Excess of Other Assets [Member]
Holdings [Line Items]
Percent of Net Asset Value	(1.00%)	[11]
C000159048 [Member] | Apple Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.70%	[13]
C000159048 [Member] | Microsoft Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.30%	[13]
C000159048 [Member] | NVIDIA Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.80%	[13]
C000159048 [Member] | Amazon com Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.80%	[13]
C000159048 [Member] | Meta Platforms Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%	[13]
C000159048 [Member] | Alphabet Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%	[13]
C000159048 [Member] | Tesla Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%	[13]
C000159048 [Member] | Broadcom Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.70%	[13]
C000159048 [Member] | Alphabet Inc Class C [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.70%	[13]
C000159048 [Member] | Berkshire Hathaway Inc Class B [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.50%	[13]
C000159048 [Member] | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.30%	[14]
C000159048 [Member] | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.60%	[14]
C000159048 [Member] | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.60%	[14]
C000159048 [Member] | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%	[14]
C000159048 [Member] | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.40%	[14]
C000159048 [Member] | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.20%	[14]
C000159048 [Member] | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.50%	[14]
C000159048 [Member] | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	28.20%	[14]
C000159048 [Member] | Materials Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%	[14]
C000159048 [Member] | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.80%	[14],[15]
C000159048 [Member] | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.40%	[14]
C000159048 [Member] | Short-Term Investments [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.20%	[14]
C000159048 [Member] | Liabilities in Excess of Other Assets [Member]
Holdings [Line Items]
Percent of Net Asset Value	(1.00%)	[14]
C000159050 [Member] | Apple Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.70%	[16]
C000159050 [Member] | Microsoft Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.30%	[16]
C000159050 [Member] | NVIDIA Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.80%	[16]
C000159050 [Member] | Amazon com Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.80%	[16]
C000159050 [Member] | Meta Platforms Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.60%	[16]
C000159050 [Member] | Alphabet Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%	[16]
C000159050 [Member] | Tesla Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%	[16]
C000159050 [Member] | Broadcom Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.70%	[16]
C000159050 [Member] | Alphabet Inc Class C [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.70%	[16]
C000159050 [Member] | Berkshire Hathaway Inc Class B [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.50%	[16]
C000159050 [Member] | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.30%	[17]
C000159050 [Member] | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.60%	[17]
C000159050 [Member] | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.60%	[17]
C000159050 [Member] | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%	[17]
C000159050 [Member] | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.40%	[17]
C000159050 [Member] | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.20%	[17]
C000159050 [Member] | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.50%	[17]
C000159050 [Member] | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	28.20%	[17]
C000159050 [Member] | Materials Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%	[17]
C000159050 [Member] | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.80%	[17],[18]
C000159050 [Member] | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.40%	[17]
C000159050 [Member] | Short-Term Investments [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.20%	[17]
C000159050 [Member] | Liabilities in Excess of Other Assets [Member]
Holdings [Line Items]
Percent of Net Asset Value	(1.00%)	[17]
C000159052 [Member] | Robinhood Markets Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[19]
C000159052 [Member] | EQT Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[19]
C000159052 [Member] | Smurfit WestRock PLC [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%	[19]
C000159052 [Member] | Carvana Co Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%	[19]
C000159052 [Member] | iShares Russell 2000 ETF [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%	[19]
C000159052 [Member] | Texas Pacific Land Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%	[19]
C000159052 [Member] | Chesapeake Energy Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%	[19]
C000159052 [Member] | NRG Energy Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%	[19]
C000159052 [Member] | Pure Storage Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%	[19]
C000159052 [Member] | EMCOR Group Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%	[19]
C000159052 [Member] | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.00%	[20]
C000159052 [Member] | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	17.80%	[20]
C000159052 [Member] | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.90%	[20]
C000159052 [Member] | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.50%	[20]
C000159052 [Member] | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.20%	[20]
C000159052 [Member] | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.40%	[20]
C000159052 [Member] | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	18.70%	[20]
C000159052 [Member] | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.40%	[20]
C000159052 [Member] | Materials Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.50%	[20]
C000159052 [Member] | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.20%	[20],[21]
C000159052 [Member] | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%	[20]
C000159052 [Member] | Short-Term Investments [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.30%	[20]
C000159052 [Member] | Liabilities in Excess of Other Assets [Member]
Holdings [Line Items]
Percent of Net Asset Value	(6.80%)	[20]
C000159051 [Member] | Robinhood Markets Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[22]
C000159051 [Member] | EQT Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[22]
C000159051 [Member] | Smurfit WestRock PLC [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%	[22]
C000159051 [Member] | Carvana Co Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%	[22]
C000159051 [Member] | iShares Russell 2000 ETF [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%	[22]
C000159051 [Member] | Texas Pacific Land Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%	[22]
C000159051 [Member] | Chesapeake Energy Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%	[22]
C000159051 [Member] | NRG Energy Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%	[22]
C000159051 [Member] | Pure Storage Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%	[22]
C000159051 [Member] | EMCOR Group Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%	[22]
C000159051 [Member] | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.00%	[23]
C000159051 [Member] | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	17.80%	[23]
C000159051 [Member] | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.90%	[23]
C000159051 [Member] | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.50%	[23]
C000159051 [Member] | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.20%	[23]
C000159051 [Member] | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.40%	[23]
C000159051 [Member] | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	18.70%	[23]
C000159051 [Member] | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.40%	[23]
C000159051 [Member] | Materials Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.50%	[23]
C000159051 [Member] | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.20%	[23],[24]
C000159051 [Member] | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%	[23]
C000159051 [Member] | Short-Term Investments [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.30%	[23]
C000159051 [Member] | Liabilities in Excess of Other Assets [Member]
Holdings [Line Items]
Percent of Net Asset Value	(6.80%)	[23]
C000159053 [Member] | Robinhood Markets Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[25]
C000159053 [Member] | EQT Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.50%	[25]
C000159053 [Member] | Smurfit WestRock PLC [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%	[25]
C000159053 [Member] | Carvana Co Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%	[25]
C000159053 [Member] | iShares Russell 2000 ETF [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%	[25]
C000159053 [Member] | Texas Pacific Land Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%	[25]
C000159053 [Member] | Chesapeake Energy Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%	[25]
C000159053 [Member] | NRG Energy Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%	[25]
C000159053 [Member] | Pure Storage Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%	[25]
C000159053 [Member] | EMCOR Group Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.30%	[25]
C000159053 [Member] | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.00%	[26]
C000159053 [Member] | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	17.80%	[26]
C000159053 [Member] | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.90%	[26]
C000159053 [Member] | Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.50%	[26]
C000159053 [Member] | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.20%	[26]
C000159053 [Member] | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.40%	[26]
C000159053 [Member] | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	18.70%	[26]
C000159053 [Member] | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.40%	[26]
C000159053 [Member] | Materials Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.50%	[26]
C000159053 [Member] | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.20%	[26],[27]
C000159053 [Member] | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%	[26]
C000159053 [Member] | Short-Term Investments [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.30%	[26]
C000159053 [Member] | Liabilities in Excess of Other Assets [Member]
Holdings [Line Items]
Percent of Net Asset Value	(6.80%)	[26]

[1] Excludes short-term securities.

[2] For purposes of this report, sector sub-classifications may differ from those utilized by the Fund for compliance purposes.

[3] Ten largest sectors are presented. Additional sectors are found in Other.

[4] Excludes short-term securities.

[5] For purposes of this report, sector sub-classifications may differ from those utilized by the Fund for compliance purposes.

[6] Ten largest sectors are presented. Additional sectors are found in Other.

[7] Excludes short-term securities.

[8] For purposes of this report, sector sub-classifications may differ from those utilized by the Fund for compliance purposes.

[9] Ten largest sectors are presented. Additional sectors are found in Other.

[10] Excludes short-term securities.

[11] For purposes of this report, sector sub-classifications may differ from those utilized by the Fund for compliance purposes.

[12] Ten largest sectors are presented. Additional sectors are found in Other.

[13] Excludes short-term securities.

[14] For purposes of this report, sector sub-classifications may differ from those utilized by the Fund for compliance purposes.

[15] Ten largest sectors are presented. Additional sectors are found in Other.

[16] Excludes short-term securities.

[17] For purposes of this report, sector sub-classifications may differ from those utilized by the Fund for compliance purposes.

[18] Ten largest sectors are presented. Additional sectors are found in Other.

[19] Excludes short-term securities.

[20] For purposes of this report, sector sub-classifications may differ from those utilized by the Fund for compliance purposes.

[21] Ten largest sectors are presented. Additional sectors are found in Other.

[22] Excludes short-term securities.

[23] For purposes of this report, sector sub-classifications may differ from those utilized by the Fund for compliance purposes.

[24] Ten largest sectors are presented. Additional sectors are found in Other.

[25] Excludes short-term securities.

[26] For purposes of this report, sector sub-classifications may differ from those utilized by the Fund for compliance purposes.

[27] Ten largest sectors are presented. Additional sectors are found in Other.