S&P 500, Market Index, 6-Year, Point to Point with Buffer Plus, Cap and Participation Rate, 30% Buffer Plus, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 6-Year, Point to Point with Buffer Plus, Cap and Participation Rate, 30% Buffer Plus, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Nasdaq 100, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 30% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 30% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 1-Year, Point to Point with Buffer and Trigger Rate, 15% Buffer, 1% Trigger Rate [Member] S&P 500, Market Index, 1-Year, Point to Point with Buffer and Trigger Rate, 15% Buffer, 1% Trigger Rate S&P 500, Market Index, 1-Year, Point to Point with Buffer and Dual Trigger Rate, 10% Buffer, 1% Dual Trigger Rate [Member] S&P 500, Market Index, 1-Year, Point to Point with Buffer and Dual Trigger Rate, 10% Buffer, 1% Dual Trigger Rate Surrender Charge Period Year 7 Plus [Member] Surrender Charge Period Year 7 Plus Surrender Charge [Member] Surrender Charge S&P 500, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 1-Year, Point to Point with Buffer and Trigger Rate, 10% Buffer, 1% Trigger Rate [Member] S&P 500, Market Index, 1-Year, Point to Point with Buffer and Trigger Rate, 10% Buffer, 1% Trigger Rate Dual Trigger Rate Return Limit [Member] Dual Trigger Rate Return Limit Risks Related To Upside Potential Features, Trigger Rate Risk [Member] Risks Related To Upside Potential Features, Trigger Rate Risk Risk Associated With Symetra Life Risk [Member] Risk Associated With Symetra Life Risk Nasdaq 100, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 15% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 15% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Russell 2000, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate General Liquidity Risk [Member] General Liquidity Risk S&P 500, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Russell 2000, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate 10% Buffer Plus Rate [Member] 10% Buffer Plus Rate Fixed Account Risk [Member] Fixed Account Risk Russell 2000, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Surrender Charge Period Year 2 [Member] Surrender Charge Period Year 2 Nasdaq 100, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate 20% Buffer [Member] 20% Buffer 10% Buffer [Member] 10% Buffer NASDAQ 100 Price Return Index [Member] NASDAQ 100 Price Return Index S&P 500, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Hospital And Nursing Home Waiver [Member] Hospital And Nursing Home Waiver Risks Related To Downside Potential Features, Buffer Or Buffer Plus Rate Risk [Member] Risks Related To Downside Potential Features, Buffer Or Buffer Plus Rate Risk Death During The Income Phase Member [Member] Death During The Income Phase Member Point-to-Point Crediting Method [Member] Point-to-Point Crediting Method S&P 500, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 30% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 30% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Russell 2000, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Russell 2000, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Nasdaq 100, Market Index, 1-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 10% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 1-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 10% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Nasdaq 100, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Risks Related To Upside Potential Features, Dual Trigger Rate Risk [Member] Risks Related To Upside Potential Features, Dual Trigger Rate Risk Buffer Plus Rate Return Limit [Member] Buffer Plus Rate Return Limit Surrender Charge Period Year 5 [Member] Surrender Charge Period Year 5 Index Account Charge [Member] Index Account Charge Buffer With Dual Trigger Rate [Member] Buffer With Dual Trigger Rate Nasdaq 100, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Surrender Charge Period Year 6 [Member] Surrender Charge Period Year 6 30% Buffer Plus Rate [Member] 30% Buffer Plus Rate S&P 500, Market Index, 6-Year, Point to Point with Buffer Plus, Cap and Participation Rate, 20% Buffer Plus, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 6-Year, Point to Point with Buffer Plus, Cap and Participation Rate, 20% Buffer Plus, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Buffer Plus Rate With CAP And 100% Participation Rate [Member] Buffer Plus Rate With CAP And 100% Participation Rate S&P 500, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 30% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 30% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Interim Value Risk [Member] Interim Value Risk Risks Related To Downside Potential Features Risk [Member] Risks Related To Downside Potential Features Risk Index Return (“Point to Point”) [Member] Index Return (“Point to Point”) S&P 500, Market Index, 6-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 1% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 6-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 1% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Fixed Account Option [Member] Fixed Account Option Russell 2000, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Russell 2000, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Rebalancing [Member] Rebalancing Russell 2000, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Due Proof Of Death Member [Member] Due Proof Of Death Member Russell 2000, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500 Price Return Index [Member] S&P 500 Price Return Index Risks Related To Upside Potential Features Risk [Member] Risks Related To Upside Potential Features Risk 1% Buffer [Member] 1% Buffer Index Risk [Member] Index Risk Risks Related To Upside Potential Features, Cap Risk [Member] Risks Related To Upside Potential Features, Cap Risk Nasdaq 100, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Nasdaq 100, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Interest Term [Member] Interest Term Russell 2000, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Repetitive Withdrawals [Member] Repetitive Withdrawals S&P 500, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Nasdaq 100, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Russell 2000, Market Index, 6-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 10% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 6-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 10% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Nasdaq 100, Market Index, 6-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 6-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Nasdaq 100, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1%thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1%thereafter 100% Participation Rate S&P 500, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 30% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 30% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Russell 2000, Market Index, 1-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 10% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 1-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 10% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate 6 Year Interest Term (1% Charge Each Year For The 6-Year Interest Term) [Member] 6 Year Interest Term (1% Charge Each Year For The 6-Year Interest Term) 100% Buffer [Member] 100% Buffer Death During The Accumulation Phase Member [Member] Death During The Accumulation Phase Member To Whom The Death Benefit Is Paid Member [Member] To Whom The Death Benefit Is Paid Member 20% Buffer Plus Rate [Member] 20% Buffer Plus Rate Premium Taxes [Member] Premium Taxes Nasdaq 100, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate General Liquidity Risk, Short-Term Investment Risk [Member] General Liquidity Risk, Short-Term Investment Risk S&P 500, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 30% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 30% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Interim Value Adjustment [Member] Interim Value Adjustment Risk Of Loss Related To Fees And Surrender Charges Risk [Member] Risk Of Loss Related To Fees And Surrender Charges Risk S&P 500, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 1-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 30% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 1-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 30% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate 1 Year Interest Term [Member] 1 Year Interest Term S&P 500, Market Index, 1-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 20% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 1-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 20% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Russell 2000, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Denial Of Waiver Claims [Member] Denial Of Waiver Claims Surrender Charge Period Year 4 [Member] Surrender Charge Period Year 4 S&P 500, Market Index, 1-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 10% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 1-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 10% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Commissions Paid To BD [Member] Commissions Paid To BD S&P 500, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Russell 2000, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 6-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 10% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 6-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 10% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Buffer With CAP And 100% Participation Rate [Member] Buffer With CAP And 100% Participation Rate Cyber Security Risks [Member] Cyber Security Risks Surrender Charge Period Year 1 [Member] Surrender Charge Period Year 1 S&P 500, Market Index, 6-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 20% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 6-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 20% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Nasdaq 100, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Nasdaq 100, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate 30% Buffer [Member] 30% Buffer S&P 500, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Russell 2000, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 6-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 30% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 6-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 30% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Payment Options Member [Member] Payment Options Member S&P 500, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 6-Year, Point to Point with Buffer Plus, Cap and Participation Rate, 10% Buffer Plus, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 6-Year, Point to Point with Buffer Plus, Cap and Participation Rate, 10% Buffer Plus, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Russell 2000 Price Return Index [Member] Russell 2000 Price Return Index S&P 500, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 15% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 15% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Risk That We May Eliminate Or Substitute An Index Or Crediting Method Or Change Indexed Interest Caps Risk [Member] Risk That We May Eliminate Or Substitute An Index Or Crediting Method Or Change Indexed Interest Caps Risk Indexed Accounts With Indexed Account Charge [Member] Indexed Accounts With Indexed Account Charge Nasdaq 100, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Nasdaq 100, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Base Value Risk [Member] Base Value Risk S&P 500, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 30% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 30% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Spousal Continuation Member [Member] Spousal Continuation Member Market Value Adjustment [Member] Market Value Adjustment Surrender Charge Period Year 3 [Member] Surrender Charge Period Year 3 S&P 500, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 1% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 1% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Nasdaq 100, Market Index, 1-Year, Point to Point with Buffer and Trigger Rate, 15% Buffer, 1% Trigger Rate [Member] Nasdaq 100, Market Index, 1-Year, Point to Point with Buffer and Trigger Rate, 15% Buffer, 1% Trigger Rate Russell 2000, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Russell 2000, Market Index, 6-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 100% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 6-Year, Point to Point with Buffer with Charge, Cap and Participation Rate, 100% Buffer with Charge, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Free Withdrawal Amount [Member] Free Withdrawal Amount Risks Related To Upside Potential Features, Participation Rate Risk [Member] Risks Related To Upside Potential Features, Participation Rate Risk Russell 2000, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Return Lock [Member] Return Lock Russell 2000, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 4-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Income Or Other Taxes [Member] Income Or Other Taxes Terminal Illness Waiver [Member] Terminal Illness Waiver Return Lock Risk [Member] Return Lock Risk Nursing Home Waiver [Member] Nursing Home Waiver 15% Buffer [Member] 15% Buffer S&P 500, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Nasdaq 100, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 3-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate S&P 500, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] S&P 500, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 20% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Buffer With Trigger Rate [Member] Buffer With Trigger Rate Russell 2000, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 2-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Russell 2000, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Russell 2000, Market Index, 6-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Interim Value Calculation [Member] Interim Value Calculation Nasdaq 100, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Cap Rate Return Limit After Surrender Charge Period [Member] Cap Rate Return Limit After Surrender Charge Period Trigger Rate Return Limit [Member] Trigger Rate Return Limit Nasdaq 100, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 1-Year, Point to Point with Buffer, Cap and Participation Rate, 10% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Nasdaq 100, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate [Member] Nasdaq 100, Market Index, 5-Year, Point to Point with Buffer, Cap and Participation Rate, 100% Buffer, 2% Cap during Surrender Charge Period and 1% thereafter 100% Participation Rate Cap Rate Return Limit During Surrender Charge Period [Member] Cap Rate Return Limit During Surrender Charge Period