Label	Element	Value
Themes US Small Cap Cash Flow Champions ETF \| Builders FirstSource, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	5.80%
Themes US Small Cap Cash Flow Champions ETF \| Molina Healthcare, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.90%
Themes US Small Cap Cash Flow Champions ETF \| Williams-Sonoma, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.80%
Themes US Small Cap Cash Flow Champions ETF \| Marathon Oil Corp. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.40%
Themes US Small Cap Cash Flow Champions ETF \| CF Industries Holdings, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.20%
Themes US Small Cap Cash Flow Champions ETF \| Toll Brothers, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.10%
Themes US Small Cap Cash Flow Champions ETF \| Reinsurance Group of America, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	3.70%
Themes US Small Cap Cash Flow Champions ETF \| Flex Ltd. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	3.50%
Themes US Small Cap Cash Flow Champions ETF \| East West Bancorp, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	3.00%
Themes US Small Cap Cash Flow Champions ETF \| Stifel Financial Corp. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	2.40%
Themes US Small Cap Cash Flow Champions ETF \| Financials [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	38.00%
Themes US Small Cap Cash Flow Champions ETF \| Consumer Discretionary [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	17.50%
Themes US Small Cap Cash Flow Champions ETF \| Energy [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	17.20%
Themes US Small Cap Cash Flow Champions ETF \| Materials [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	10.00%
Themes US Small Cap Cash Flow Champions ETF \| Industrials [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	5.50%
Themes US Small Cap Cash Flow Champions ETF \| Health Care [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	5.00%
Themes US Small Cap Cash Flow Champions ETF \| Technology [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.30%
Themes US Small Cap Cash Flow Champions ETF \| Consumer Staples [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	0.80%
Themes US Small Cap Cash Flow Champions ETF \| Real Estate [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	0.60%
Themes US Small Cap Cash Flow Champions ETF \| Cash & Other [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	1.10%

Themes US Small Cap Cash Flow Champions ETF | Builders FirstSource, Inc. [Member]