v3.25.1
N-2 - USD ($)
 3 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Mar. 31, 2024
Dec. 31, 2023
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]        
Total Assets $ 1,362,929,722 $ 1,431,042,759    
Investment Owned, Fair Value 1,334,314,263 1,407,130,945    
Total Net Assets $ 515,807,254 $ 537,844,969 $ 558,537,164 $ 461,955,393
NAV Per Share $ 15.85 $ 16.5 $ 17.16 $ 17.04