v3.26.1
N-2 - USD ($)
 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Cover [Abstract]            
Entity Central Index Key 0001794776          
Amendment Flag false          
Securities Act File Number 814-01334          
Document Type 10-Q          
Entity Registrant Name Palmer Square Capital BDC Inc.          
Entity Address, Address Line One 1900 Shawnee Mission Parkway          
Entity Address, Address Line Two Suite 315          
Entity Address, City or Town Mission Woods          
Entity Address, State or Province KS          
Entity Address, Postal Zip Code 66205          
City Area Code 816          
Local Phone Number 994-3200          
Entity Emerging Growth Company true          
Entity Ex Transition Period false          
General Description of Registrant [Abstract]            
Investment Owned, Fair Value $ 1,113,377,240 [1]   $ 1,203,640,318      
Total Assets 1,132,579,678   1,219,375,759      
Total Net Assets $ 406,153,530 $ 413,782,758 $ 464,123,172 $ 505,213,440 $ 515,807,254 $ 537,844,969
NAV Per Share $ 13.21   $ 14.85 $ 15.68   $ 16.5
[1] As of June 30, 2026, all investments are non-controlled, non-affiliated investments. Non-controlled, non-affiliated investments are defined as investments in which the Company owns less than 5% of the portfolio company’s outstanding voting securities and does not have the power to exercise control over the management or policies of such portfolio company.