Acquisitions (MSB/DQ Purchase Price Allocation) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013	Jul. 31, 2013
Business Acquisition [Line Items]
Goodwill	$ 1,881,547	$ 1,780,758		$ 1,390,674
Property Intelligence [Member]
Business Acquisition [Line Items]
Goodwill	$ 963,080	$ 957,329		$ 688,842
Property Intelligence [Member] | MSB/Data Quick [Member]
Business Acquisition [Line Items]
Cash and cash equivalents			$ 36
Accounts receivable			9,227
Prepaid expenses and other current assets			2,190
Deferred income tax assets, current			6,658
Property and equipment			177,311
Goodwill			307,773
Other intangible assets			129,400
Deferred income tax, net of current			29,760
Investment in affiliates			18,300
Total assets acquired			680,655
Accounts payable and accrued expenses			3,911
Income taxes payable			31
Deferred revenue, current			22,371
Deferred revenue, net of current			1,823
Net assets acquired			$ 652,519
Title Plant [Member] | BofA Flood and Tax Servicing [Member]
Business Acquisition [Line Items]
Other intangible assets					$ 2,500