SEGMENT REPORTING - Summary (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
SEGMENT REPORTING
Revenue	$ 39,516	$ 50,465
Cost of revenue	33,869	50,158
Gross profit	5,647	307
Operating expenses:
Selling, general and administrative expenses	13,974	18,886
Loss from operations	(8,327)	(18,579)
Total other income (expense), net	(2,816)	(2,493)
Loss before income taxes and non-controlling interests	(11,143)	(21,072)
Total assets:
Total assets:	239,777		$ 257,808
Corporate and Others
SEGMENT REPORTING
Revenue	0	557
Cost of revenue	4,822	10,101
Gross profit	(4,822)	(9,544)
Operating expenses:
Selling, general and administrative expenses	8,795	13,722
Loss from operations	(13,617)	(23,266)
Total other income (expense), net	(2,816)	(2,495)
Loss before income taxes and non-controlling interests	(16,433)	(25,761)
Total assets:
Total assets:	115,497		136,235
Servicer and Real Estate | Operating Segments
SEGMENT REPORTING
Revenue	28,536	32,641
Cost of revenue	19,740	25,771
Gross profit	8,796	6,870
Operating expenses:
Selling, general and administrative expenses	3,059	3,854
Loss from operations	5,737	3,016
Total other income (expense), net	0	2
Loss before income taxes and non-controlling interests	5,737	3,018
Total assets:
Total assets:	64,451		61,832
Origination | Operating Segments
SEGMENT REPORTING
Revenue	10,980	17,267
Cost of revenue	9,307	14,286
Gross profit	1,673	2,981
Operating expenses:
Selling, general and administrative expenses	2,120	1,310
Loss from operations	(447)	1,671
Total other income (expense), net	0	0
Loss before income taxes and non-controlling interests	(447)	$ 1,671
Total assets:
Total assets:	$ 59,829		$ 59,741