Ryan Specialty Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Basis of Presentation - Additional Information (Detail)

Basis of Presentation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Jul. 26, 2021	Dec. 31, 2021	Jul. 31, 2021	Jul. 22, 2021	Jul. 21, 2021	Dec. 31, 2020
Remaining purchased interest, percentage		100.00%
Percentage of cash savings paid		85.00%
Deferred tax assets		$ 383,018				$ 298
Tax receivable agreement liabilities		272,100				$ 0
Temporary differences in deferred tax assets		61,100
T R A [Member]
Deferred tax assets		329,000
Benefits from future deductions		234,000
Tax receivable agreement liabilities		282,500
TRA Alternative Payments and purchase of LLC Common Units [Member]
Alternative payment related to common units		72,900
Benefits from future deductions		95,000
RSG LLC [Member]
Cash settlement due to equity modification		$ 18,600
Common Stock [Member] \| RSG LLC [Member]
Own controlling interest		42.40%
LLC Common Units [Member]
Remaining purchased interest, percentage		100.00%
Alternative payment related to common units		$ 72,900
Payment for purchase of common units		799,300
Alternative payments for modification of equity grants		37,600
Return of capital on purchased common units		$ 35,300
LLC Common Units [Member] \| RSG LLC [Member]
Common units issued		213,693,861
Mandatorily Sell of Vested Stock Units Percentage		15.00%
Additional Sell of Vested Stock Units Percentage		10.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners		0.10%
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage		99.90%
Non-controlling Interest [Member] \| RSG LLC [Member]
Amount of modification in equity		$ 12,300
Additional Paid-in Capital [Member] \| RSG LLC [Member]
Amount of modification in equity		$ 12,300
Common Class A [Member]
Stock issued during period shares		9,634
Common stock, Par value		$ 0.001
Common Stock Shares Issued		109,894,548
Common Class A [Member] \| LLC Common Units [Member]
Stock issued during period shares		31,992,135
Common stock conversion basis		one-for-one
Common Class B [Member]
Stock issued during period shares		149,162,107
Common stock, Par value		$ 0.001
Common Stock Shares Issued		149,162,107
Common Class B [Member] \| RSG LLC [Member]
Common units issued		20,680,420
Common Class B [Member] \| LLC Common Units [Member]
Stock issued during period shares		149,162,107
Common stock conversion basis		one-to-one
Additional consideration paid		$ 100
Common Class X [Member]
Common stock, Par value		$ 0.001
Common Stock Shares Issued		640,784
Stock Repurchased and Retired During Period, Shares		640,784
Class C Incentive Units [Member]
Share price		$ 23.50
Class C Incentive Units [Member] \| LLC Common Units [Member] \| RSG LLC [Member]
Stock issued during period shares		2,116,667
Onex [Member] \| Redeemable Preferred Units [Member]
Amount of net cash acquired from units		$ 343,200
Limited Liability Company (LLC) Preferred Unit, Outstanding					260,000,000
IPO [Member]
Stock issued during period shares		66,667
IPO [Member] \| Common Class A [Member]
Stock issued during period shares		65,456,020
Common stock, Par value	$ 0.001
Share price	$ 23.50
Proceeds from issuance initial public offering	$ 1,448,100
Stock Repurchased and Retired During Period, Shares		8,224,708
Stock Repurchased During Period Shares		8,224,708
IPO [Member] \| Common Class A [Member] \| Common Stock [Member]
Stock issued during period shares	65,456,020
Share price		$ 23.50
IPO [Member] \| Common Class A [Member] \| LLC Common Units [Member] \| Ryan Specialty Group Holdings Inc [Member]
Common units issued		1,349,640
IPO [Member] \| Common Class B [Member]
Common stock, Par value			$ 0.001
IPO [Member] \| Onex [Member] \| Redeemable Preferred Units [Member]
Limited Liability Company (LLC) Preferred Unit, Outstanding	260,000,000
2021 Omnibus Incentive Plan [Member] \| IPO [Member] \| Class C Incentive Units [Member] \| RSG LLC [Member]
Share price		$ 23.50
2021 Omnibus Incentive Plan [Member] \| IPO [Member] \| Class C Incentive Units [Member] \| LLC Common Units [Member] \| RSG LLC [Member]
Common units issued		3,911,490
Restricted Stock [Member] \| Common Class A [Member]
Stock issued during period shares		4,339,738
Restricted Stock [Member] \| 2021 Omnibus Incentive Plan [Member] \| Common Class A [Member] \| Common Stock [Member] \| Ryan Specialty Group Holdings Inc [Member]
Common Stock Shares Issued		11,426,502
Equity Awards [Member] \| IPO [Member] \| Common Class A [Member]
Stock issued during period shares		8,066,349
Restricted Stock Units (RSUs) [Member]
Share price		$ 23.50
Restricted Stock Units (RSUs) [Member] \| RSG LLC [Member] \| T R A [Member]
Alternative payment related to common units		$ 37,600
Restricted LLC Units [Member]
Common stock conversion basis		one-for-one
Restricted LLC Units [Member] \| IPO [Member] \| RSG LLC [Member]
Common units issued				1,543,277
Restricted LLC Units [Member] \| 2021 Omnibus Incentive Plan [Member] \| IPO [Member] \| LLC Common Units [Member] \| RSG LLC [Member]
Common units issued		27,493,192
Reload Options [Member]
Share price		$ 23.50
Reload Options [Member] \| 2021 Omnibus Incentive Plan [Member] \| IPO [Member] \| LLC Common Units [Member] \| RSG LLC [Member]
Share price		$ 23.50
Reload Options [Member] \| 2021 Omnibus Incentive Plan [Member] \| IPO [Member] \| LLC Common Units [Member] \| Ryan Specialty Group Holdings Inc [Member]
Common units issued		4,592,319
Cash Distribution [Member] \| LLC Common Units [Member]
Percentage of cash savings paid		85.00%