OTHER EMPLOYEE COMPENSATION	12 Months Ended
Mar. 31, 2026
Retirement Benefits [Abstract]
OTHER EMPLOYEE COMPENSATION	OTHER EMPLOYEE COMPENSATION We established a 401(k) plan (the “401K Plan”) effective October 1, 2015. All full-time employees of CSWC are eligible to participate in the 401K Plan. The 401K Plan permits employees to defer a portion of their total annual compensation up to the Internal Revenue Service annual maximum based on age and eligibility. During the period from October 1, 2015 through December 31, 2025, we made contributions to the 401K Plan of up to 4.5% of the Internal Revenue Service’s annual maximum eligible compensation, all of which is fully vested immediately. Effective January 1, 2026, we made matching contributions of up to 5% of the Internal Revenue Service's annual maximum eligible compensation, all of which is fully vested immediately. During the years ended March 31, 2026, 2025, and 2024 we made matching contributions of approximately $0.3 million, $0.3 million, and $0.2 million, respectively.

OTHER EMPLOYEE COMPENSATION

12 Months Ended

Mar. 31, 2026

We established a 401(k) plan (the “401K Plan”) effective October 1, 2015. All full-time employees of CSWC are eligible to participate in the 401K Plan. The 401K Plan permits employees to defer a portion of their total annual compensation up to the Internal Revenue Service annual maximum based on age and eligibility. During the period from October 1, 2015 through December 31, 2025, we made contributions to the 401K Plan of up to 4.5% of the Internal Revenue Service’s annual maximum eligible compensation, all of which is fully vested immediately. Effective January 1, 2026, we made matching contributions of up to 5% of the Internal Revenue Service's annual maximum eligible compensation, all of which is fully vested immediately.

During the years ended March 31, 2026, 2025, and 2024 we made matching contributions of approximately $0.3 million, $0.3 million, and $0.2 million, respectively.