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Acquisitions - Narrative (Details) - Boston National Title - USD ($) $ in Thousands		3 Months Ended	9 Months Ended		12 Months Ended
	Jul. 01, 2023	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Jun. 30, 2024
Business Acquisition [Line Items]
Payments in cash	$ 92,600
Purchase price adjustment	$ 1,300				$ 1,315
Contributed revenues			$ 59,400
Net losses			(11,800)
Acquisition related costs		$ 200		$ 4,400
Intangible assets			21,100
Accumulated amortization			1,800
Net Premium Earned
Business Acquisition [Line Items]
Contributed revenues			49,600
Settlement Services Revenues
Business Acquisition [Line Items]
Contributed revenues			$ 6,100