Acquisitions, Dispositions and Other Transactions - Acquisitions and Dispositions (Details) - USD ($) $ / shares in Units, $ in Thousands					3 Months Ended		6 Months Ended
	Mar. 24, 2015	Jul. 31, 2014	Mar. 14, 2014	Mar. 14, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Dec. 04, 2014	Mar. 31, 2014	Mar. 04, 2014
Business Acquisition [Line Items]
Interest rate										4.00%
Common stock, par value (in dollars per share)					$ 0.0001		$ 0.0001		$ 0.0001
Goodwill					$ 5,242		$ 5,242		$ 4,095
Secured Debt | HSBC Bank PLC
Business Acquisition [Line Items]
Cash consideration transferred	$ 3,000
Debt instrument, term	2 years
Secured Debt | HSBC Bank PLC | Bank of England Base Rate
Business Acquisition [Line Items]
Basis spread on variable interest rate (as a percent)	0.60%
Kleeneze Limited
Business Acquisition [Line Items]
Percentage of voting interests acquired	100.00%
Consideration	$ 5,100
Cash payment to acquire business	2,100
Other consideration transferred	1,900
Kleeneze Limited | Secured Debt
Business Acquisition [Line Items]
Cash consideration transferred	$ 3,000
Kleeneze Limited | Secured Debt | HSBC Bank PLC
Business Acquisition [Line Items]
Interest rate	1.10%
Kleeneze Limited | Acquisition-related Costs
Business Acquisition [Line Items]
Transaction costs					$ 113	$ 113	$ 113	$ 113
UpperCase Living
Business Acquisition [Line Items]
Equity interest issued for acquisition (in shares)			254,490
Common stock, par value (in dollars per share)			$ 0.0001
Value assigned for equity interest issued for acquisition			$ 97
Common stock delivered to escrow (in shares)			323,897
Fair value of shares of common stock delivered to escrow			$ 123
Maximum period to deliver shares of common stock to escrow			24 months
Equity interest issuable, accrued liability											$ 220
Periodic contingent payment in year 2014, as percent of EBITDA			10.00%
Periodic contingent payment in year 2015, as percent of EBITDA			10.00%
Periodic contingent payment in year 2016, as percent of EBITDA			10.00%
Goodwill												$ 469
TLC
Business Acquisition [Line Items]
Debt instrument, term				10 years
Interest rate				2.63%
TLC | Leaseback Agreement
Business Acquisition [Line Items]
Purchase of investments available for sale		$ 15,800
Gain on disposition of business		$ 2,500
Term of lease (in years)		15 years