Main Street Capital Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Cover
Financial Statements
Notes to Financial Statements
Accounting Policies
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

DEBT - Notes??Due (Details)

v3.22.2.2

DEBT - Notes Due (Details) - USD ($)	1 Months Ended						9 Months Ended		10 Months Ended	16 Months Ended
DEBT - Notes Due (Details) - USD ($)	Oct. 31, 2021	Jan. 31, 2021	Jul. 31, 2020	Dec. 31, 2019	Apr. 30, 2019	Nov. 30, 2017	Sep. 30, 2022	Sep. 30, 2021	Oct. 31, 2021	Jul. 31, 2020	Dec. 31, 2021
4.50% Notes due 2022 \| Unsecured Notes
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage						4.50%	4.50%				4.50%
Debt instrument, face amount						$ 185,000,000	$ 185,000,000				$ 185,000,000
Debt instrument, issuance price, percentage						99.16%
Proceeds from issuance of debt, net						$ 182,200,000
5.20% Notes due 2024 \| Unsecured Notes
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage					5.20%		5.20%				5.20%
Debt instrument, face amount			$ 125,000,000	$ 75,000,000	$ 250,000,000		$ 450,000,000			$ 125,000,000	$ 450,000,000
Debt instrument, issuance price, percentage			102.674%	105.00%	99.125%
Proceeds from issuance of debt, net										$ 451,400,000
3.00% Notes due 2026
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage							3.00%
Proceeds from issuance of debt, net							$ 0	$ 300,000,000
3.00% Notes due 2026 \| Unsecured Notes
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		3.00%					3.00%				3.00%
Debt instrument, face amount	$ 200,000,000	$ 300,000,000					$ 500,000,000		$ 200,000,000		$ 500,000,000
Debt instrument, issuance price, percentage	101.741%	99.004%
Proceeds from issuance of debt, net									$ 498,300,000

- Definition

Debt Instrument, Issuance Price, Percentage

+ References

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- Definition

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+ References

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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