v3.26.1
Expense Example
Apr. 30, 2026
USD ($)
Global Atlantic BlackRock Allocation Portfolio | Global Atlantic BlackRock Allocation Portfolio Class I Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 53
Expense Example, with Redemption, 3 Years 167
Expense Example, with Redemption, 5 Years 291
Expense Example, with Redemption, 10 Years 653
Global Atlantic BlackRock Allocation Portfolio | Global Atlantic BlackRock Allocation Portfolio Class II Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 79
Expense Example, with Redemption, 3 Years 246
Expense Example, with Redemption, 5 Years 428
Expense Example, with Redemption, 10 Years 954
Global Atlantic BlackRock Allocation Portfolio | Global Atlantic BlackRock Allocation Portfolio Class III Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 214
Expense Example, with Redemption, 5 Years 373
Expense Example, with Redemption, 10 Years 835
Global Atlantic BlackRock Disciplined Core Portfolio | Global Atlantic BlackRock Disciplined Core Portfolio Class I Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 54
Expense Example, with Redemption, 3 Years 170
Expense Example, with Redemption, 5 Years 296
Expense Example, with Redemption, 10 Years 665
Global Atlantic BlackRock Disciplined Core Portfolio | Global Atlantic BlackRock Disciplined Core Portfolio Class II Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 80
Expense Example, with Redemption, 3 Years 249
Expense Example, with Redemption, 5 Years 433
Expense Example, with Redemption, 10 Years 966
Global Atlantic BlackRock Disciplined Core Portfolio | Global Atlantic BlackRock Disciplined Core Portfolio Class III Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 69
Expense Example, with Redemption, 3 Years 218
Expense Example, with Redemption, 5 Years 379
Expense Example, with Redemption, 10 Years 847
Global Atlantic BlackRock Disciplined Growth Portfolio | Global Atlantic BlackRock Disciplined Growth Portfolio Class I Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 53
Expense Example, with Redemption, 3 Years 167
Expense Example, with Redemption, 5 Years 291
Expense Example, with Redemption, 10 Years 653
Global Atlantic BlackRock Disciplined Growth Portfolio | Global Atlantic BlackRock Disciplined Growth Portfolio Class II Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 79
Expense Example, with Redemption, 3 Years 246
Expense Example, with Redemption, 5 Years 428
Expense Example, with Redemption, 10 Years 954
Global Atlantic BlackRock Disciplined Growth Portfolio | Global Atlantic BlackRock Disciplined Growth Portfolio Class III Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 214
Expense Example, with Redemption, 5 Years 373
Expense Example, with Redemption, 10 Years 835
Global Atlantic BlackRock Disciplined International Core Portfolio | Global Atlantic BlackRock Disciplined International Core Portfolio Class I Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 86
Expense Example, with Redemption, 3 Years 287
Expense Example, with Redemption, 5 Years 506
Expense Example, with Redemption, 10 Years 1,135
Global Atlantic BlackRock Disciplined International Core Portfolio | Global Atlantic BlackRock Disciplined International Core Portfolio Class II Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 111
Expense Example, with Redemption, 3 Years 366
Expense Example, with Redemption, 5 Years 640
Expense Example, with Redemption, 10 Years 1,424
Global Atlantic BlackRock Disciplined International Core Portfolio | Global Atlantic BlackRock Disciplined International Core Portfolio Class III Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 101
Expense Example, with Redemption, 3 Years 335
Expense Example, with Redemption, 5 Years 587
Expense Example, with Redemption, 10 Years 1,309
Global Atlantic BlackRock Disciplined Mid Cap Growth Portfolio | Global Atlantic BlackRock Disciplined Mid Cap Growth Portfolio Class I Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 70
Expense Example, with Redemption, 3 Years 221
Expense Example, with Redemption, 5 Years 384
Expense Example, with Redemption, 10 Years 859
Global Atlantic BlackRock Disciplined Mid Cap Growth Portfolio | Global Atlantic BlackRock Disciplined Mid Cap Growth Portfolio Class II Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 96
Expense Example, with Redemption, 3 Years 300
Expense Example, with Redemption, 5 Years 520
Expense Example, with Redemption, 10 Years 1,155
Global Atlantic BlackRock Disciplined Mid Cap Growth Portfolio | Global Atlantic BlackRock Disciplined Mid Cap Growth Portfolio Class III Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 86
Expense Example, with Redemption, 3 Years 268
Expense Example, with Redemption, 5 Years 466
Expense Example, with Redemption, 10 Years 1,037
Global Atlantic BlackRock Disciplined Value Portfolio | Global Atlantic BlackRock Disciplined Value Portfolio Class I Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 61
Expense Example, with Redemption, 3 Years 192
Expense Example, with Redemption, 5 Years 335
Expense Example, with Redemption, 10 Years 750
Global Atlantic BlackRock Disciplined Value Portfolio | Global Atlantic BlackRock Disciplined Value Portfolio Class II Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 87
Expense Example, with Redemption, 3 Years 271
Expense Example, with Redemption, 5 Years 471
Expense Example, with Redemption, 10 Years 1,049
Global Atlantic BlackRock Disciplined Value Portfolio | Global Atlantic BlackRock Disciplined Value Portfolio Class III Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 77
Expense Example, with Redemption, 3 Years 240
Expense Example, with Redemption, 5 Years 417
Expense Example, with Redemption, 10 Years 930
Global Atlantic BlackRock High Yield Portfolio | Global Atlantic BlackRock High Yield Portfolio Class I Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 67
Expense Example, with Redemption, 3 Years 211
Expense Example, with Redemption, 5 Years 368
Expense Example, with Redemption, 10 Years 822
Global Atlantic BlackRock High Yield Portfolio | Global Atlantic BlackRock High Yield Portfolio Class II Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 93
Expense Example, with Redemption, 3 Years 290
Expense Example, with Redemption, 5 Years 504
Expense Example, with Redemption, 10 Years 1,120
Global Atlantic BlackRock High Yield Portfolio | Global Atlantic BlackRock High Yield Portfolio Class III Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 83
Expense Example, with Redemption, 3 Years 259
Expense Example, with Redemption, 5 Years 450
Expense Example, with Redemption, 10 Years 1,002
Global Atlantic Goldman Sachs Core Fixed Income Portfolio | Global Atlantic Goldman Sachs Core Fixed Income Portfolio Class I Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 53
Expense Example, with Redemption, 3 Years 167
Expense Example, with Redemption, 5 Years 291
Expense Example, with Redemption, 10 Years 653
Global Atlantic Goldman Sachs Core Fixed Income Portfolio | Global Atlantic Goldman Sachs Core Fixed Income Portfolio Class II Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 79
Expense Example, with Redemption, 3 Years 246
Expense Example, with Redemption, 5 Years 428
Expense Example, with Redemption, 10 Years 954
Global Atlantic Goldman Sachs Core Fixed Income Portfolio | Global Atlantic Goldman Sachs Core Fixed Income Portfolio Class III Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 214
Expense Example, with Redemption, 5 Years 373
Expense Example, with Redemption, 10 Years $ 835