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Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Revenues	$ 365,304	$ 314,505	$ 261,276
Renewal commissions
Disaggregation of Revenue [Line Items]
Revenues	78,621	74,938	70,730
New business commissions
Disaggregation of Revenue [Line Items]
Revenues	27,985	24,608	23,411
Agency fees
Disaggregation of Revenue [Line Items]
Revenues	10,404	8,127	8,174
Contingent commissions
Disaggregation of Revenue [Line Items]
Revenues	38,376	31,385	13,746
Renewal royalty fees
Disaggregation of Revenue [Line Items]
Revenues	170,767	138,942	107,524
New business royalty fees
Disaggregation of Revenue [Line Items]
Revenues	30,153	27,122	23,168
Initial franchise fees
Disaggregation of Revenue [Line Items]
Revenues	5,594	6,620	11,238
Other franchise revenues
Disaggregation of Revenue [Line Items]
Revenues	2,734	1,831	1,843
Interest income
Disaggregation of Revenue [Line Items]
Revenues	670	932	1,443
Transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenues	117,010	107,673	102,315
Transferred over time
Disaggregation of Revenue [Line Items]
Revenues	$ 248,294	$ 206,832	$ 158,961

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