Acquisitions (Details) In Thousands, unless otherwise specified			0 Months Ended			0 Months Ended					0 Months Ended		0 Months Ended		0 Months Ended
	Sep. 30, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 30, 2013 Mexican Operations of Ike USD ($)	Dec. 30, 2013 Mexican Operations of Ike MXN	Dec. 30, 2013 Mexican Operations of Ike	Feb. 10, 2014 Latin American Operations of Ike USD ($)	Feb. 10, 2014 Latin American Operations of Ike MXN	Feb. 10, 2014 Ike	Mar. 24, 2014 Lifestyle Services Group Limited USD ($)	Mar. 24, 2014 Lifestyle Services Group Limited GBP (£)	Apr. 16, 2014 Streetlinks LLC USD ($)	Apr. 16, 2014 Streetlinks LLC USD ($)	Sep. 03, 2014 eMortgage Logic LLC USD ($)	Sep. 03, 2014 eMortgage Logic LLC USD ($)	Apr. 16, 2014 Minimum Streetlinks LLC	Sep. 03, 2014 Minimum eMortgage Logic LLC	Apr. 16, 2014 Maximum Streetlinks LLC	Sep. 03, 2014 Maximum eMortgage Logic LLC
Business Acquisition [Line Items]
Cash paid for acquisition			$ 91,420	1,191,499		$ 20,950	272,541				$ 60,905		$ 17,000
Percentage of interest acquired					40.00%	40.00%	40.00%
Ownership interest percentage								40.00%
Business combination, delayed payment									4,951	3,000
Contingent consideration									26,920	16,313		5,000		10,231
Fair value of consideration transferred											65,905		28,263
Intangible assets recorded in connection with acquisition												47,970		11,270
Amortization period of acquired intangible assets															2 years	3 years	12 years	11 years
Goodwill	$ 816,818	$ 784,561										$ 14,738		$ 14,058