v3.26.1
Average Annual Total Returns
12 Months Ended 60 Months Ended 102 Months Ended 120 Months Ended 137 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
[2]
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)            
Prospectus [Line Items]            
Average Annual Return, Percent 7.30% (0.36%)   1.82% [1] 2.01%  
Bloomberg 65% High-Grade/35% High Yield Intermediate Competitive (1-17 Year) Index (reflects no deduction for fees, expenses, or taxes)            
Prospectus [Line Items]            
Average Annual Return, Percent 4.63% 1.81%   2.95% [1] 2.85%  
Lipper High Yield Municipal Debt Funds Average            
Prospectus [Line Items]            
Average Annual Return, Percent 2.59% 1.04% 2.60%   2.84%  
T. Rowe Price Intermediate Tax-Free High Yield Fund - Investor Class            
Prospectus [Line Items]            
Average Annual Return, Percent 5.99% 2.19%     2.82%  
Performance Inception Date           Jul. 24, 2014
T. Rowe Price Intermediate Tax-Free High Yield Fund - Investor Class | After Taxes on Distributions            
Prospectus [Line Items]            
Average Annual Return, Percent 5.99% 2.17%     2.80%  
T. Rowe Price Intermediate Tax-Free High Yield Fund - Investor Class | After Taxes on Distributions and Sales            
Prospectus [Line Items]            
Average Annual Return, Percent 5.13% 2.41%     2.86%  
T. Rowe Price Intermediate Tax-Free High Yield Fund - I Class            
Prospectus [Line Items]            
Average Annual Return, Percent 6.15% 2.23%   2.87%    
Performance Inception Date       Jul. 06, 2017    
[1] Return since 7/6/17.
[2] Return since 6/30/17.