SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Contracts with Customers (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Contracts with Customers
Revenue from contracts with customer	$ 99,328	$ 91,140	$ 333,543	$ 203,937
Revenue from Contract with Customer, Product and Service [Extensible Enumeration]	Revenues	Revenues	Revenues	Revenues
Loan Origination Fees
Contracts with Customers
Revenue from contracts with customer	$ 40,076	$ 46,527	$ 130,722	$ 113,650
Revenue from Contract with Customer, Product and Service [Extensible Enumeration]	Revenues	Revenues	Revenues	Revenues
Property Sales Broker Fees
Contracts with Customers
Revenue from contracts with customer	$ 30,308	$ 33,677	$ 100,092	$ 65,173
Revenue from Contract with Customer, Product and Service [Extensible Enumeration]	Revenues	Revenues	Revenues	Revenues
Investment management fees
Contracts with Customers
Revenue from contracts with customer	$ 16,301	$ 2,564	$ 47,345	$ 9,115
Revenue from Contract with Customer, Product and Service [Extensible Enumeration]	Revenues	Revenues	Revenues	Revenues
Application fees, subscription revenues, other revenues from LIHTC operations, and other revenues
Contracts with Customers
Revenue from contracts with customer	$ 12,643	$ 8,372	$ 55,384	$ 15,999
Revenue from Contract with Customer, Product and Service [Extensible Enumeration]	Revenues	Revenues	Revenues	Revenues