SEGMENT REPORTING (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2015 USD ($) segment	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Segment Reporting [Abstract]
Number of reporting segments | segment									3
SEGMENT REPORTING
Revenue									$ 1,051,466	$ 1,078,916	$ 768,357
Cost of revenue									687,327	707,180	492,480
Gross profit	$ 97,395	$ 98,926	$ 100,162	$ 67,656	$ 69,235	$ 98,964	$ 112,073	$ 91,464	364,139	371,736	275,877
Selling, general and administrative expenses									220,868	201,733	113,810
Impairment losses									71,785	37,473	0
Business Combination, Contingent Consideration Arrangement - Equator									(7,591)	(37,924)	0
Income from operations									79,077	170,454	162,067
Other income (expense), net									(26,017)	(23,189)	(19,734)
Income before income taxes and non-controlling interests									53,060	147,265	142,333
Total Assets:
Total Assets	727,982				788,221				727,982	788,221
Operating Segment | Mortgage Services
SEGMENT REPORTING
Revenue									786,648	793,143	599,319
Cost of revenue									474,169	486,387	376,639
Gross profit									312,479	306,756	222,680
Selling, general and administrative expenses									105,153	94,686	46,522
Impairment losses									0	0
Business Combination, Contingent Consideration Arrangement - Equator									0	0
Income from operations									207,326	212,070	176,158
Other income (expense), net									506	204	(136)
Income before income taxes and non-controlling interests									207,832	212,274	176,022
Total Assets:
Total Assets	325,461				313,550				325,461	313,550
Operating Segment | Financial Services
SEGMENT REPORTING
Revenue									88,448	98,499	92,958
Cost of revenue									60,806	64,338	55,328
Gross profit									27,642	34,161	37,630
Selling, general and administrative expenses									18,707	18,791	15,571
Impairment losses									0	0
Business Combination, Contingent Consideration Arrangement - Equator									0	0
Income from operations									8,935	15,370	22,059
Other income (expense), net									58	62	(10)
Income before income taxes and non-controlling interests									8,993	15,432	22,049
Total Assets:
Total Assets	53,757				56,096				53,757	56,096
Operating Segment | Technology Services
SEGMENT REPORTING
Revenue									215,482	227,300	100,724
Cost of revenue									187,835	192,426	82,612
Gross profit									27,647	34,874	18,112
Selling, general and administrative expenses									29,902	32,393	12,435
Impairment losses									71,785	37,473
Business Combination, Contingent Consideration Arrangement - Equator									(7,591)	(37,924)
Income from operations									(66,449)	2,932	5,677
Other income (expense), net									61	(31)	7
Income before income taxes and non-controlling interests									(66,388)	2,901	5,684
Total Assets:
Total Assets	165,778				250,059				165,778	250,059
Corporate Items and Eliminations
SEGMENT REPORTING
Revenue									(39,112)	(40,026)	(24,644)
Cost of revenue									(35,483)	(35,971)	(22,099)
Gross profit									(3,629)	(4,055)	(2,545)
Selling, general and administrative expenses									67,106	55,863	39,282
Impairment losses									0	0
Business Combination, Contingent Consideration Arrangement - Equator									0	0
Income from operations									(70,735)	(59,918)	(41,827)
Other income (expense), net									(26,642)	(23,424)	(19,595)
Income before income taxes and non-controlling interests									(97,377)	(83,342)	$ (61,422)
Total Assets:
Total Assets	$ 182,986				$ 168,516				$ 182,986	$ 168,516