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Investment In Unconsolidated Subsidiaries - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Income (Loss) from Equity Method Investments			$ 781
Enhanced Capital Group LLC
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated subsidiaries	$ 2,000		2,000		$ 2,200
Enhanced Capital Group LLC \| Asset Management Businesses
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated subsidiaries	1,400		1,400		2,000
Income (Loss) from Equity Method Investments	300	$ 0	800	$ 0
Partners' Capital Account, Contributions	0		0
Partners' Capital Account, Distributions	100		1,400
Enhanced Capital Group LLC \| Tax Credit Finance Businesses
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated subsidiaries	600		600		$ 200
Enhanced Tax Credit Finance, LLC \| Tax Credit Finance Businesses
Schedule of Equity Method Investments [Line Items]
Partners' Capital Account, Contributions	0		2,600
Partners' Capital Account, Distributions	$ 0		$ 2,200