Income Taxes - Narrative (Details) - USD ($) shares in Millions		12 Months Ended
	Nov. 04, 2015	Dec. 31, 2024	Dec. 31, 2023	Mar. 06, 2023	Dec. 31, 2018	Nov. 30, 2018	Dec. 31, 2014	May 29, 2014
Operating Loss Carryforwards [Line Items]
Income tax expense		$ 6,300,000	$ 4,500,000
Income tax benefit, interim tax			1,100,000
Foreign		700,000	5,300,000
Deferred income tax expense (benefit)		500,000	(5,300,000)
Deferred tax liability		4,400,000	4,100,000
Operating loss carryforwards	$ 31,700,000							$ 46,100,000
Net operating loss, not subject to expiration		139,700,000
Net operating losses subject to expiration		34,600,000
Operating loss carryforward limitation							$ 2,300,000
Issuance of common stock (in shares)	8.5
Unrecognized tax benefits that would impact effective tax rate		0	0
Operating loss carryforwards, decrease for uncertain tax positions		58,700,000	58,700,000
GrayWolf Industrial | Insurance Services
Operating Loss Carryforwards [Line Items]
Amount subject to annual limitation						$ 57,100,000
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		174,300,000
Operating loss carryforwards, US		117,700,000
Domestic Tax Authority | GrayWolf Industrial
Operating Loss Carryforwards [Line Items]
Amount subject to annual limitation					$ 25,400,000
Domestic Tax Authority | GrayWolf Industrial | Tax Year 2024
Operating Loss Carryforwards [Line Items]
Amount subject to annual limitation						1,100,000
Domestic Tax Authority | GrayWolf Industrial | Minimum | Tax Year 2019
Operating Loss Carryforwards [Line Items]
Amount subject to annual limitation						3,000,000
Domestic Tax Authority | GrayWolf Industrial | Maximum | Tax Year 2019
Operating Loss Carryforwards [Line Items]
Amount subject to annual limitation						$ 4,000,000
Domestic Tax Authority | Various Nonconsolidated Subsidiaries
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		149,400,000
Net operating loss, not subject to expiration		113,300,000
Net operating losses subject to expiration		36,100,000
Domestic Tax Authority | R2 Technologies
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		102,800,000
Domestic Tax Authority | DTV America
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		44,100,000
Domestic Tax Authority | Other Entities
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		2,500,000
Foreign Tax Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		800,000
Foreign Tax Jurisdiction | DTV America
Operating Loss Carryforwards [Line Items]
Foreign operating loss carryforward		$ 11,400,000
HMN
Operating Loss Carryforwards [Line Items]
Foreign			4,400,000
Deferred income tax expense (benefit)			$ 5,500,000
Deferred tax liability				$ 11,300,000
Ownership percentage sold				19.00%