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

Fair Value Measurements - Summary of Reconciliation of Beginning and Ending Balances for the Level 3 (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Opening balance	$ 30,400
Ending balance	0	$ 30,400
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Opening balance	52,519	25,807
Newly established liability due to acquisition	22,011
Total gains/losses included in earnings	40,553	27,984
Settlements	(73,030)	1,272
Ending balance	42,053	52,519
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Accounts Payable and Accrued Liabilities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Opening balance	30,423	891
Total gains/losses included in earnings	36,914	29,532
Settlements	(67,337)
Ending balance		30,423
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Contingent consideration [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Opening balance	22,096	24,916
Newly established liability due to acquisition	22,011
Total gains/losses included in earnings	3,639	(1,548)
Settlements	(5,693)	(1,272)
Ending balance	$ 42,053	$ 22,096