SEGMENT REPORTING (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) segment	Sep. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)
Segment Reporting [Abstract]
Number of reporting segments | segment			2
SEGMENT REPORTING
Revenue	$ 234,979	$ 252,745	$ 726,147	$ 758,676
Cost of revenue	174,898	174,002	538,244	517,236
Gross profit (loss)	60,081	78,743	187,903	241,440
Selling, general and administrative expenses	46,622	53,886	146,793	161,709
Income (loss) from operations	13,459	24,857	41,110	79,731
Total other income (expense), net	(3,102)	(6,061)	(8,847)	(15,873)
Income (loss) before income taxes and non-controlling interests	10,357	18,796	32,263	63,858
Total assets:
Total assets	596,401		596,401		$ 689,212
Operating Segment | Mortgage Market
SEGMENT REPORTING
Revenue	199,262	211,821	614,180	626,522
Cost of revenue	137,466	138,646	421,942	408,412
Gross profit (loss)	61,796	73,175	192,238	218,110
Selling, general and administrative expenses	28,006	29,903	86,493	90,498
Income (loss) from operations	33,790	43,272	105,745	127,612
Total other income (expense), net	26	10	138	144
Income (loss) before income taxes and non-controlling interests	33,816	43,282	105,883	127,756
Total assets:
Total assets	311,423		311,423		347,067
Operating Segment | Real Estate Market
SEGMENT REPORTING
Revenue	22,121	21,516	67,314	70,229
Cost of revenue	23,497	16,634	72,484	47,946
Gross profit (loss)	(1,376)	4,882	(5,170)	22,283
Selling, general and administrative expenses	4,208	6,961	14,084	18,755
Income (loss) from operations	(5,584)	(2,079)	(19,254)	3,528
Total other income (expense), net	0	0	0	0
Income (loss) before income taxes and non-controlling interests	(5,584)	(2,079)	(19,254)	3,528
Total assets:
Total assets	63,067		63,067		47,863
Other Businesses, Corporate and Eliminations
SEGMENT REPORTING
Revenue	13,596	19,408	44,653	61,925
Cost of revenue	13,935	18,722	43,818	60,878
Gross profit (loss)	(339)	686	835	1,047
Selling, general and administrative expenses	14,408	17,022	46,216	52,456
Income (loss) from operations	(14,747)	(16,336)	(45,381)	(51,409)
Total other income (expense), net	(3,128)	(6,071)	(8,985)	(16,017)
Income (loss) before income taxes and non-controlling interests	(17,875)	$ (22,407)	(54,366)	$ (67,426)
Total assets:
Total assets	$ 221,911		$ 221,911		$ 294,282