SEGMENT REPORTING - Summary (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
SEGMENT REPORTING
Revenue	$ 35,235	$ 40,421	$ 74,696	$ 79,937
Cost of revenue	29,703	36,355	60,660	70,224
Gross profit (loss)	5,532	4,066	14,036	9,713
Operating expenses:
Selling, general and administrative expenses	12,341	14,525	24,435	28,499
Income (loss) from operations	(6,809)	(10,459)	(10,399)	(18,786)
Total other income (expense), net	(11,389)	(3,341)	(19,137)	(6,157)
Income (loss) before income taxes and non-controlling interests	(18,198)	(13,800)	(29,536)	(24,943)
Total assets:
Total assets:	164,556		164,556		$ 195,005
Corporate and Others
SEGMENT REPORTING
Revenue	0	0	0	0
Cost of revenue	3,647	4,697	7,425	9,519
Gross profit (loss)	(3,647)	(4,697)	(7,425)	(9,519)
Operating expenses:
Selling, general and administrative expenses	7,353	9,068	15,420	17,863
Income (loss) from operations	(11,000)	(13,765)	(22,845)	(27,382)
Total other income (expense), net	(11,389)	(3,341)	(19,137)	(6,157)
Income (loss) before income taxes and non-controlling interests	(22,389)	(17,106)	(41,982)	(33,539)
Total assets:
Total assets:	52,150		52,150		77,325
Servicer and Real Estate | Operating Segments
SEGMENT REPORTING
Revenue	26,848	31,947	58,793	60,483
Cost of revenue	18,038	22,413	37,763	42,153
Gross profit (loss)	8,810	9,534	21,030	18,330
Operating expenses:
Selling, general and administrative expenses	2,638	3,237	4,939	6,296
Income (loss) from operations	6,172	6,297	16,091	12,034
Total other income (expense), net	0	0	0	0
Income (loss) before income taxes and non-controlling interests	6,172	6,297	16,091	12,034
Total assets:
Total assets:	57,808		57,808		63,696
Origination | Operating Segments
SEGMENT REPORTING
Revenue	8,387	8,474	15,903	19,454
Cost of revenue	8,018	9,245	15,472	18,552
Gross profit (loss)	369	(771)	431	902
Operating expenses:
Selling, general and administrative expenses	2,350	2,220	4,076	4,340
Income (loss) from operations	(1,981)	(2,991)	(3,645)	(3,438)
Total other income (expense), net	0	0	0	0
Income (loss) before income taxes and non-controlling interests	(1,981)	$ (2,991)	(3,645)	$ (3,438)
Total assets:
Total assets:	$ 54,598		$ 54,598		$ 53,984