Class Investor - C000032646 Investor Class Investor - C000032626 Investor Class Investor - C000019221 Investor Institutional Class - C000146785 Institutional Class Investor Class - C000146784 Investor Class Broad Based Index:1C000032646-NASDAQ Composite Index_2 NASDAQ Composite Index [Member] Additional Index:2C000032646-NASDAQ-100 Index_ NASDAQ-100 Index [Member] C000032646-Total Return Swap Contracts Total Return Swap Contracts [Member] C000032646-Investment Companies Investment Companies [Member] Industry Sector:5C000032646-Information Technology Information Technology [Member] Industry Sector:6C000032646-Communication Services Communication Services [Member] Industry Sector:7C000032646-Consumer Discretionary Consumer Discretionary [Member] Industry Sector:8C000032646-Consumer Staples Consumer Staples [Member] Industry Sector:9C000032646-Health Care Health Care [Member] Industry Sector:10C000032646-Industrials Industrials [Member] Industry Sector:11C000032646-Utilities Utilities [Member] Industry Sector:12C000032646-Materials Materials [Member] Industry Sector:13C000032646-Energy Energy [Member] Industry Sector:14C000032646-Financials Financials [Member] Industry Sector:15C000032646-Real Estate Real Estate [Member] Largest Holding:16C000032646-NVIDIA Corp. NVIDIA Corp. [Member] Largest Holding:17C000032646-Apple, Inc. Apple, Inc. [Member] Largest Holding:18C000032646-Microsoft Corp. Microsoft Corp. [Member] Largest Holding:19C000032646-Micron Technology, Inc. Micron Technology, Inc. [Member] Largest Holding:20C000032646-Amazon.com, Inc. Amazon.com, Inc. [Member] Largest Holding:21C000032646-Advanced Micro Devices, Inc. Advanced Micro Devices, Inc. [Member] Largest Holding:22C000032646-Alphabet Inc. Class A Alphabet Inc. Class A [Member] Largest Holding:23C000032646-Tesla, Inc. Tesla, Inc. [Member] Largest Holding:24C000032646-Alphabet Inc. Class C Alphabet Inc. Class C [Member] Largest Holding:25C000032646-Broadcom, Inc. Broadcom, Inc. [Member] Broad Based Index:26C000032626-S&P 500 Index_1 S&P 500 Index [Member] C000032626-Total Return Swap Contracts Total Return Swap Contracts [Member] C000032626-Investment Companies Investment Companies [Member] Industry Sector:29C000032626-Information Technology Information Technology [Member] Industry Sector:30C000032626-Financials Financials [Member] Industry Sector:31C000032626-Communication Services Communication Services [Member] Industry Sector:32C000032626-Consumer Discretionary Consumer Discretionary [Member] Industry Sector:33C000032626-Health Care Health Care [Member] Industry Sector:34C000032626-Industrials Industrials [Member] Industry Sector:35C000032626-Consumer Staples Consumer Staples [Member] Industry Sector:36C000032626-Energy Energy [Member] Industry Sector:37C000032626-Utilities Utilities [Member] Industry Sector:38C000032626-Materials Materials [Member] Industry Sector:39C000032626-Real Estate Real Estate [Member] Largest Holding:40C000032626-NVIDIA Corp. NVIDIA Corp. [Member] Largest Holding:41C000032626-Apple, Inc. Apple, Inc. [Member] Largest Holding:42C000032626-Microsoft Corp. Microsoft Corp. [Member] Largest Holding:43C000032626-Amazon.com, Inc. Amazon.com, Inc. [Member] Largest Holding:44C000032626-Alphabet Inc. Class A Alphabet Inc. Class A [Member] Largest Holding:45C000032626-Broadcom, Inc. Broadcom, Inc. [Member] Largest Holding:46C000032626-Alphabet Inc. Class C Alphabet Inc. Class C [Member] Largest Holding:47C000032626-Meta Platforms, Inc. Class A Meta Platforms, Inc. Class A [Member] Largest Holding:48C000032626-Micron Technology, Inc. Micron Technology, Inc. [Member] Largest Holding:49C000032626-Tesla, Inc. Tesla, Inc. [Member] Broad Based Index:50C000019221-S&P 500 Index_1 S&P 500 Index [Member] Additional Index:51C000019221-Russell 2000 Index_2 Russell 2000 Index [Member] C000019221-Total Return Swap Contracts Total Return Swap Contracts [Member] C000019221-Investment Companies Investment Companies [Member] Industry Sector:54C000019221-Health Care Health Care [Member] Industry Sector:55C000019221-Financials Financials [Member] Industry Sector:56C000019221-Industrials Industrials [Member] Industry Sector:57C000019221-Information Technology Information Technology [Member] Industry Sector:58C000019221-Consumer Discretionary Consumer Discretionary [Member] Industry Sector:59C000019221-Materials Materials [Member] Industry Sector:60C000019221-Energy Energy [Member] Industry Sector:61C000019221-Real Estate Real Estate [Member] Industry Sector:62C000019221-Utilities Utilities [Member] Industry Sector:63C000019221-Communication Services Communication Services [Member] Industry Sector:64C000019221-Consumer Staples Consumer Staples [Member] Largest Holding:65C000019221-JFrog Ltd. JFrog Ltd. [Member] Largest Holding:66C000019221-Moog, Inc. Class A Moog, Inc. Class A [Member] Largest Holding:67C000019221-UMB Financial Corp. UMB Financial Corp. [Member] Largest Holding:68C000019221-Glaukos Corp Glaukos Corp [Member] Largest Holding:69C000019221-Brinker International, Inc. Brinker International, Inc. [Member] Largest Holding:70C000019221-BrightSpring Health Services, Inc. BrightSpring Health Services, Inc. [Member] Largest Holding:71C000019221-Krystal Biotech, Inc. Krystal Biotech, Inc. [Member] Largest Holding:72C000019221-Cytokinetics, Inc. Cytokinetics, Inc. [Member] Largest Holding:73C000019221-Protagonist Therapeutics, Inc. Protagonist Therapeutics, Inc. [Member] Largest Holding:74C000019221-Twist Bioscience Corp. Twist Bioscience Corp. [Member] Broad Based Index:75C000146784-S&P 500 Index_1 S&P 500 Index [Member] Additional Index:76C000146784-Bloomberg U.S. Aggregate Bond Index Bloomberg U.S. Aggregate Bond Index [Member] Additional Index:77C000146784-Bloomberg Intermediate US Government/Credit Bond Index Bloomberg Intermediate US Government/Credit Bond Index [Member] Largest Holding:79C000146784-iShares 0-3 Month Treasury Bond ETF iShares 0-3 Month Treasury Bond ETF [Member] Largest Holding:80C000146784-JPMorgan Nasdaq Equity Premium Income ETF JPMorgan Nasdaq Equity Premium Income ETF [Member] Largest Holding:81C000146784-Vanguard Intermediate-Term Corporate Bond ETF Vanguard Intermediate-Term Corporate Bond ETF [Member] Largest Holding:82C000146784-JPMorgan Income ETF JPMorgan Income ETF [Member] Largest Holding:83C000146784-Janus Henderson AAA CLO ETF Janus Henderson AAA CLO ETF [Member] Largest Holding:84C000146784-Vanguard International High Dividend Yield ETF Vanguard International High Dividend Yield ETF [Member] Largest Holding:85C000146784-Vanguard Intermediate-Term Treasury ETF Vanguard Intermediate-Term Treasury ETF [Member] Largest Holding:86C000146784-JPMorgan Equity Premium Income ETF JPMorgan Equity Premium Income ETF [Member] Largest Holding:87C000146784-Invesco S&P 500 Equal Weight Income Advantage ETF Invesco S&P 500 Equal Weight Income Advantage ETF [Member] Largest Holding:88C000146784-Microsoft Corp. Microsoft Corp. [Member] C000146784-Investment Companies Investment Companies [Member] C000146784-Common Stocks Common Stocks [Member] C000146784-Corporate Bonds Corporate Bonds [Member] C000146784-U.S. Treasury Securities_ U.S. Treasury Securities [Member] Largest Holding:93C000146784-Convertible Preferred Stocks Convertible Preferred Stocks [Member] C000146784-Cash & Other_1 Cash & Other [Member] Other Category:95C000146784-Fixed Income Fixed Income [Member] Other Category:96C000146784-Equity Equity [Member] Other Category:97C000146784-Other Other [Member] Broad Based Index:98C000146785-S&P 500 Index_1 S&P 500 Index [Member] Additional Index:99C000146785-Bloomberg U.S. Aggregate Bond Index Bloomberg U.S. Aggregate Bond Index [Member] Additional Index:100C000146785-Bloomberg Intermediate US Government/Credit Bond Index Bloomberg Intermediate US Government/Credit Bond Index [Member] Largest Holding:102C000146785-iShares 0-3 Month Treasury Bond ETF iShares 0-3 Month Treasury Bond ETF [Member] Largest Holding:103C000146785-JPMorgan Nasdaq Equity Premium Income ETF JPMorgan Nasdaq Equity Premium Income ETF [Member] Largest Holding:104C000146785-Vanguard Intermediate-Term Corporate Bond ETF Vanguard Intermediate-Term Corporate Bond ETF [Member] Largest Holding:105C000146785-JPMorgan Income ETF JPMorgan Income ETF [Member] Largest Holding:106C000146785-Janus Henderson AAA CLO ETF Janus Henderson AAA CLO ETF [Member] Largest Holding:107C000146785-Vanguard International High Dividend Yield ETF Vanguard International High Dividend Yield ETF [Member] Largest Holding:108C000146785-Vanguard Intermediate-Term Treasury ETF Vanguard Intermediate-Term Treasury ETF [Member] Largest Holding:109C000146785-JPMorgan Equity Premium Income ETF JPMorgan Equity Premium Income ETF [Member] Largest Holding:110C000146785-Invesco S&P 500 Equal Weight Income Advantage ETF Invesco S&P 500 Equal Weight Income Advantage ETF [Member] Largest Holding:111C000146785-Microsoft Corp. Microsoft Corp. [Member] C000146785-Investment Companies Investment Companies [Member] C000146785-Common Stocks Common Stocks [Member] C000146785-Corporate Bonds Corporate Bonds [Member] C000146785-U.S. Treasury Securities_ U.S. Treasury Securities [Member] Largest Holding:116C000146785-Convertible Preferred Stocks Convertible Preferred Stocks [Member] C000146785-Cash & Other_1 Cash & Other [Member] Other Category:118C000146785-Fixed Income Fixed Income [Member] Other Category:119C000146785-Equity Equity [Member] Other Category:120C000146785-Other Other [Member] Net Assets Investment Company Portfolio Turnover Portfolio Turnover Commodity Index Linked Notes [Member] Commodity Index Linked Notes Sovereign Debt Securities [Member] Sovereign Debt Securities Convertible Debt Securities [Member] Convertible Debt Securities Corporate Debt Securities [Member] Corporate Debt Securities Corporate Note Securities [Member] Corporate Note Securities Corporate Bond Securities [Member] Corporate Bond Securities Fixed Income Investments [Member] Fixed Income Investments Securities Investment [Member] Securities Investment Other Aggregated Investments [Member] Other Aggregated Investments Real Estate Sector [Member] Real Estate Sector Standard Poors 500 Index [Member] Standard Poors 500 Index Nasdaq Composite Index [Member] Nasdaq Composite Index Equity Securities Industry [Member] Equity Securities Industry Equity Securities [Member] Equity Securities Dow Jones Industrial Average [Member] Dow Jones Industrial Average Construction Sector [Member] Construction Sector Automotive Sector [Member] Automotive Sector Transportation Sector [Member] Transportation Sector Aerospace Sector [Member] Aerospace Sector Consumer Sector [Member] Consumer Sector Chemicals Sector [Member] Chemicals Sector Insurance Sector [Member] Insurance Sector Cash [Member] Cash Asset Backed Securities [Member] Asset Backed Securities Container And PackagingSector [Member] Container And PackagingSector Investment Type [Axis] Asset Class US Treasury Securities [Member] US Treasury Securities Mortgage Backed Securities [Member] Mortgage Backed Securities Investment Type Categorization [Member] Investment Type Categorization Entertainment Sector [Member] Entertainment Sector Food And Beverage Sector [Member] Food And Beverage Sector Financial Services Sector [Member] Financial Services Sector Healthcare Sector [Member] Healthcare Sector Energy Sector [Member] Energy Sector Technology Sector [Member] Technology Sector Government Sector [Member] Government Sector No Trading Symbol