Acquisitions (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Business Combinations [Abstract]
Severance and employee-related	$ 0	$ 10,500	$ 0
System conversion and integration	200	3,802	0
Asset write-downs, lease terminations and other facilities-related	0	125	0
Investment banking deal costs	0	0	1,050
Other (legal, accounting, insurance, consulting)	0	3,173	950
Total acquisition, integration and reorganization costs	$ 200	$ 17,600	$ 2,000

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration