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Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2024

Accounting Policies [Abstract]

Disaggregation of Revenue

Revenue from contracts with clients that was earned during the three months ended September 30, 2024 and 2023 include:

			Three Months Ended September 30, 2024
			Investment advisory						Mutual fund administration, net						Total revenue
Diamond Hill Funds			$	23,595,204					$	1,788,357					$	25,383,561
Separately managed accounts, excluding performance-based fees			6,698,073						—						6,698,073
Other pooled vehicles			2,878,015						—						2,878,015
Collective investment trusts			1,839,850						—						1,839,850
Model delivery			1,331,016						—						1,331,016
Performance-based fees			887,717						—						887,717
			$	37,229,875					$	1,788,357					$	39,018,232
			Three Months Ended September 30, 2023
			Investment advisory						Mutual fund administration, net						Total revenue
Diamond Hill Funds			$	21,714,872					$	1,885,929					$	23,600,801
Separately managed accounts, excluding performance-based fees			6,150,388						—						6,150,388
Other pooled vehicles			2,451,019						—						2,451,019
Model delivery			1,306,460						—						1,306,460
Performance-based fees			1,176,351						—						1,176,351
Collective investment trusts			869,261						—						869,261
			$	33,668,351					$	1,885,929					$	35,554,280

Revenue from contracts with clients that was earned during the nine months ended September 30, 2024 and 2023, include:

			Nine Months Ended September 30, 2024
			Investment advisory						Mutual fund administration, net						Total revenue
Diamond Hill Funds			$	68,249,762					$	5,551,702					$	73,801,464
Separately managed accounts, excluding performance-based fees			20,083,201						—						20,083,201
Other pooled vehicles			8,522,431						—						8,522,431
Collective investment trusts			4,805,245						—						4,805,245
Model delivery			3,874,437						—						3,874,437
Performance-based fees			887,717						—						887,717
			$	106,422,793					$	5,551,702					$	111,974,495

			Nine Months Ended September 30, 2023
			Investment advisory						Mutual fund administration, net						Total revenue
Diamond Hill Funds			$	64,019,839					$	5,684,167					$	69,704,006
Separately managed accounts, excluding performance-based fees			18,653,260						—						18,653,260
Other pooled vehicles			6,785,722						—						6,785,722
Model delivery			3,969,604						—						3,969,604
Collective investment trusts			2,606,477						—						2,606,477
Performance-based fees			1,176,351						—						1,176,351
			$	97,211,253					$	5,684,167					$	102,895,420

Mutual Fund Administration Gross and Net Revenue

Mutual fund administration gross and net revenue are summarized below:

			Three Months Ended   September 30,												Nine Months Ended   September 30,
			2024						2023						2024						2023
Mutual fund administration:
Administration revenue, gross			$	6,402,818					$	5,491,424					$	18,051,623					$	16,247,752
Fund related expense			(4,614,461)						(3,605,495)						(12,499,921)						(10,563,585)
Mutual fund administration revenue, net			$	1,788,357					$	1,885,929					$	5,551,702					$	5,684,167

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Mutual fund administration gross and net revenue.

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

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