| Form N-CSR Cover | 6 Months Ended |
| Jun. 30, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Spinnaker ETF Series |
| Entity Central Index Key | 0001484018 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Jun. 30, 2024 |
| Shareholder Report | 6 Months Ended |
| Jun. 30, 2024 USD ($) Holdings | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Spinnaker ETF Series |
| Entity Central Index Key | 0001484018 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Jun. 30, 2024 |
| Langar Global HealthTech ETF | |
| Shareholder Report [Line Items] | |
| Fund Name | Langar Global HealthTech ETF |
| Class Name | Langar Global HealthTech ETF |
| Trading Symbol | LGHT |
| Annual or Semi-Annual Statement [Text Block] | Semi-Annual Shareholder Report June 30, 2024 |
| Shareholder Report Annual or Semi-Annual | Semi-Annual shareholder report |
| Additional Information [Text Block] | This Semi-Annual shareholder report Langar Global HealthTech ETF www.langarfunds.com (800) 773-3863 |
| Additional Information Phone Number | (800) 773-3863 |
| Additional Information Website | www.langarfunds.com |
| Expenses [Text Block] | Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment LGHT $ 40.79 * 0.85 % * Based on operations for the period from January 9, 2024 to June 30, 2024. Expenses for the full 6 month period would be higher. |
| Expenses Paid, Amount | $ 40.79 |
| Expense Ratio, Percent | 0.85% |
| Net Assets | $ 1,852,243 |
| Holdings Count | Holdings | 35 |
| Investment Company, Portfolio Turnover | 8.96% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of June 30, 2024 ) Net Assets $ 1,852,243 Number of Holdings 35 Annual Portfolio Turnover 8.96 % |
| Holdings [Text Block] | What did the Fund invest in? (as of June 30, 2024 ) Sector Breakdown (% of net assets) Sector Allocation Medical Equipment 0.499 Medical Devices 0.139 Application Software 0.062 Biotech 0.061 Health Care Services 0.052 Health Care Supplies 0.041 Professional Services 0.009 Specialty & Generic Pharma 0.006 Health Care Supply Chain 0.004 Other 0.127 |
| Largest Holdings [Text Block] | Top 10 Holdings (% of net assets) Intuitive Surgical Inc 18.59 % Siemens Healthineers AG 8.81 % Dexcom Inc 6.87 % GE HealthCare Technologies Inc 4.93 % Koninklijke Philips NV 4.33 % Sonova Holding AG 4.23 % ResMed Inc 4.10 % Veeva Systems Inc 4.10 % IQVIA Holdings Inc 4.01 % Moderna Inc 3.94 % |
| Shareholder Report, Holdings (Details) - Langar Global HealthTech ETF | Jun. 30, 2024 |
| Intuitive Surgical Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.59% |
| Siemens Healthineers AG [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.81% |
| Dexcom Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.87% |
| GE HealthCare Technologies Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.93% |
| Koninklijke Philips NV [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.33% |
| Sonova Holding AG [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.23% |
| ResMed Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| Veeva Systems Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| IQVIA Holdings Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.01% |
| Moderna Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.94% |
| Medical Equipment [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 49.90% |
| Medical Devices [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.90% |
| Application Software [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.20% |
| Biotech [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.10% |
| Health Care Services [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.20% |
| Health Care Supplies [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| Professional Services [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Specialty & Generic Pharma [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Health Care Supply Chain [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Other [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.70% |
