Ryan Specialty Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stockholders' and Members' Equity - Additional Information (Detail)

Stockholders' and Members' Equity - Additional Information (Detail) - USD ($)		3 Months Ended		9 Months Ended
	Jul. 26, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022	Dec. 31, 2021	Jul. 31, 2021	Jul. 21, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Percentage of repurchase redeemable preferred units				100.00%
Preferred stock, shares authorized		500,000,000		500,000,000			500,000,000
Preferred stock, shares outstanding		0		0			0
Dividend declared or outstanding							$ 0
Company owned LLC Common Units										$ (20,624,000)	$ 565,000	$ 71,090,000
Dividend Declared [Member]
Class of Stock [Line Items]
Dividend declared or outstanding		$ 0		$ 0
Onex [Member]
Class of Stock [Line Items]
Preferred Units, Outstanding		260,000,000		260,000,000
Preferred Units, Issued									260,000,000
New LLC [Member]
Class of Stock [Line Items]
Non-controlling Interest, Ownership Percentage by Non-controlling Owners		56.80%		56.80%			57.40%
Non-controlling Interest, Ownership Percentage by Non-controlling Owners		57.40%
Economic interests		43.20%		43.20%			42.60%
Common Class A [Member]
Class of Stock [Line Items]
Common stock, shares issued		112,212,653		112,212,653			109,894,548
Common stock, par value		$ 0.001		$ 0.001			$ 0.001
Common Stock, Voting Rights				Each share of Class A common stock is entitled to one vote per share.
Common stock, shares outstanding		112,212,653		112,212,653			109,894,548
Common Stock, Shares Authorized		1,000,000,000		1,000,000,000			1,000,000,000
Common Class B [Member]
Class of Stock [Line Items]
Common stock, shares issued		147,390,500		147,390,500			149,162,107
Common stock, par value		$ 0.001		$ 0.001			$ 0.001
Common Stock, Voting Rights				Each share of Class B common stock is initially entitled to 10 votes per share but, upon the occurrence of certain events as set forth in the Company’s amended and restated certificate of incorporation, will be entitled to one vote per share in the future.
Common stock, shares outstanding		147,390,500		147,390,500			149,162,107
Common Stock, Shares Authorized		1,000,000,000		1,000,000,000			1,000,000,000
Common Class X [Member]
Class of Stock [Line Items]
Common stock, shares issued		640,784		640,784			640,784
Common stock, par value		$ 0.001		$ 0.001			$ 0.001
Common Stock, Voting Rights				The shares of Class X common stock have no economic or voting rights. T
Common stock, shares outstanding		0		0		0	0
Common Stock, Shares Authorized		10,000,000		10,000,000			10,000,000
Redeemable Preferred Units [Member]
Class of Stock [Line Items]
Preferred Units, Outstanding									260,000,000
IPO [Member] \| Founder [Member]
Class of Stock [Line Items]
Stock Repurchased During Period, Value				$ 78,300,000
Preferred units, reflects par value		$ 75,000,000.0		$ 75,000,000.0
IPO [Member] \| New LLC [Member]
Class of Stock [Line Items]
Non-controlling Interest, Ownership Percentage by Non-controlling Owners			57.50%	57.70%	57.50%
IPO [Member] \| Preferred Class B [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized								500,000,000
IPO [Member] \| Common Class A [Member]
Class of Stock [Line Items]
Proceeds from Initial Public Offering	$ 1,448,100,000
Common stock, par value	$ 0.001							$ 0.001
Common Stock, Shares Authorized								1,000,000,000
IPO [Member] \| Common Class B [Member]
Class of Stock [Line Items]
Common stock, par value								$ 0.001
Common Stock, Shares Authorized								1,000,000,000
IPO [Member] \| Common Class X [Member]
Class of Stock [Line Items]
Common stock, par value								$ 0.001
Common Stock, Shares Authorized								10,000,000