Acquisitions, Dispositions and Other Transactions - Public Offering and Other Narrative (Details) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended
	Mar. 04, 2015	Mar. 04, 2015	Jul. 31, 2014	Dec. 31, 2014	May 11, 2015
Business Acquisition [Line Items]
Additional shares issuable under Share Exchange Agreement (in shares)				25,240,676
Period for conditional transfer of right				10 days
Ownership interest acquired of all the stock (as a percent)				15.00%
Underwritten Public Offering
Business Acquisition [Line Items]
Shares issued in transaction (in shares)	6,667,000	6,667,000
Warrants to purchase common stock (in shares)	6,667,000	6,667,000
Sale of stock, price per share (in dollars per share)	$ 3	$ 3
Exercise price of warrants per share (in dollars per share)	$ 3.75	$ 3.75
Expiration period of warrants		5 years
Fair value of warrants issued	$ 9.0
Maximum beneficial ownership percentage to exercise warrants without written notice	4.99%
Warrants, maximum beneficial ownership percentage with written notice	9.99%
Warrants, beneficial ownership percentage, period of notice to change ownership percentage	61 days
Over-Allotment Option
Business Acquisition [Line Items]
Warrants to purchase common stock (in shares)	1,000,050	1,000,050			166,675
Option period of warrants	45 days	45 days
Warrants exercised (in shares)	113,200	113,200
Number of options exercised (in shares)	0
Expiration period of warrants	5 years
TLC | Leaseback Agreement
Business Acquisition [Line Items]
Purchase of investments available for sale			$ 15.8
Gain on disposition of business			$ 2.5
Term of lease (in years)			15 years