Shareholder Report, Line Graph (Details) - USD ($)

1 Months Ended

2 Months Ended

3 Months Ended

4 Months Ended

5 Months Ended

6 Months Ended

7 Months Ended

8 Months Ended

9 Months Ended

10 Months Ended

11 Months Ended

12 Months Ended

13 Months Ended

14 Months Ended

15 Months Ended

16 Months Ended

17 Months Ended

18 Months Ended

19 Months Ended

Jun. 30, 2026

Jun. 22, 2026

Feb. 04, 2025

Jan. 31, 2025

Jan. 22, 2025

Jan. 21, 2025

Jul. 31, 2026

Feb. 28, 2025

Aug. 31, 2026

Mar. 31, 2025

Apr. 30, 2025

May 31, 2025

Jun. 30, 2025

Jul. 31, 2025

Aug. 31, 2025

Sep. 30, 2025

Oct. 31, 2025

Nov. 30, 2025

Dec. 31, 2025

Jan. 31, 2026

Feb. 28, 2026

Mar. 31, 2026

Apr. 30, 2026

May 31, 2026

Jun. 30, 2026

Jul. 31, 2026

Aug. 31, 2026

Thornburg Core Plus Bond ETF

Account Value [Line Items]

Accumulated Value

$ 10,000.0

$ 10,198.3

$ 10,194.86

$ 10,208.55

$ 10,135.1

$ 10,305.07

$ 10,272.87

$ 10,379.24

$ 10,509.55

$ 10,584.2

$ 10,647.57

$ 10,613.79

$ 10,640.12

$ 10,827.39

$ 10,600.51

$ 10,620.29

$ 10,670.88

$ 10,719.03

$ 10,560.31

$ 10,613.49

Thornburg International Equity ETF

Account Value [Line Items]

Accumulated Value

$ 10,160.0

$ 10,000.0

$ 10,304.0

$ 10,484.0

$ 10,860.0

$ 11,508.0

$ 11,736.0

$ 11,688.0

$ 11,988.0

$ 12,120.0

$ 12,128.0

$ 12,360.0

$ 12,656.66

$ 13,283.42

$ 14,160.9

$ 12,777.97

$ 13,708.01

$ 14,003.19

$ 13,898.06

$ 14,561.22

$ 14,670.4

Thornburg International Growth ETF

Account Value [Line Items]

Accumulated Value

$ 10,108

$ 10,000

$ 9,968

$ 9,236

$ 9,776

$ 10,164

$ 10,320

$ 10,104

$ 10,248

$ 10,228

$ 10,140

$ 9,728

$ 9,830.76

$ 10,156.44

$ 10,309.23

$ 9,384.45

$ 10,425.83

$ 10,803.78

$ 11,053.07

$ 10,819.87

$ 11,089.26

Thornburg Multi Sector Bond ETF

Account Value [Line Items]

Accumulated Value

10,000.0

10,145.98

10,157.56

10,207.67

10,204.39

10,335.63

10,330.64

10,451.51

10,520.56

10,575.01

10,642.78

10,653.05

10,691.33

10,804.17

10,669.23

10,707.75

10,742.4

10,771.45

10,700.43

10,737.26

Thornburg Premium Income Builder ETF

Account Value [Line Items]

Accumulated Value

$ 9,992.0

$ 10,000.0

$ 10,396.0

$ 10,532.0

Bloomberg U.S. Aggregate Total Return Index Value USD

Account Value [Line Items]

Accumulated Value

10,000.0

10,194.34

10,198.17

10,238.25

10,164.95

10,321.25

10,294.02

10,417.14

10,530.78

10,596.57

10,662.42

10,646.64

10,658.01

10,832.55

10,641.65

10,653.6

10,686.74

10,712.52

10,572.95

10,614.1

MSCI EAFE Net Total Return USD Index

Account Value [Line Items]

Accumulated Value

$ 10,244.13

$ 10,000.0

$ 10,442.79

$ 10,400.66

$ 10,877.07

$ 11,374.73

$ 11,625.35

$ 11,462.17

$ 11,950.83

$ 12,179.55

$ 12,322.83

$ 12,399.34

$ 12,771.31

$ 13,437.77

$ 14,059.5

$ 12,612.78

$ 13,552.48

$ 13,968.12

$ 13,977.48

$ 14,251.04

$ 14,534.62

MSCI EAFE Growth Net Total Return USD Index

Account Value [Line Items]

Accumulated Value

$ 10,138.15

$ 10,000

$ 10,151.16

$ 9,822.72

$ 10,328.93

$ 10,863.92

$ 11,152.63

$ 10,817.41

$ 11,120.93

$ 11,401.62

$ 11,583.57

$ 11,413.15

$ 11,613.99

$ 12,160.37

$ 12,551.63

$ 11,067.22

$ 12,067.22

$ 12,571.74

$ 12,675.1

$ 12,459.03

$ 12,777.33

Bloomberg U.S. Universal Total Return Index Value Unhedged

Account Value [Line Items]

Accumulated Value

$ 10,000.0

$ 10,184.18

$ 10,181.76

$ 10,217.72

$ 10,165.89

$ 10,324.27

$ 10,309.54

$ 10,433.38

$ 10,543.92

$ 10,613.54

$ 10,677.55

$ 10,670.16

$ 10,686.29

$ 10,848.87

$ 10,654.65

$ 10,687.21

$ 10,724.69

$ 10,752.73

$ 10,621.19

$ 10,666.46

MSCI World Net Total Return USD Index

Account Value [Line Items]

Accumulated Value

$ 10,009.97

$ 10,000.0

$ 10,061.34

$ 10,320.61