Debt (Lease Narrative) (Details) $ in Thousands	1 Months Ended	3 Months Ended	6 Months Ended	28 Months Ended
	Jun. 30, 2015 USD ($) agreement	Jun. 30, 2015 USD ($) agreement	Jun. 30, 2015 USD ($) agreement	Jun. 30, 2015 USD ($) agreement	Dec. 31, 2014 USD ($)
Capital Leased Assets [Line Items]
Capital lease and lease financing obligations	$ 56,211	$ 56,211	$ 56,211	$ 56,211	$ 13,062
Capital lease and lease financing obligations acquired			43,832
Lease financing obligations	23,900	23,900	23,900	23,900
Real Property [Member]
Capital Leased Assets [Line Items]
Capital lease and lease financing obligations	19,200	19,200	19,200	19,200
Carpathia Hosting, Inc. [Member]
Capital Leased Assets [Line Items]
Capital lease and lease financing obligations	$ 32,300	32,300	$ 32,300	$ 32,300
Capital lease and lease financing obligations acquired		$ 19,600
Number of lease agreements | agreement	2	2	2	2
Oustandind financing agreement	$ 2,600	$ 2,600	$ 2,600	$ 2,600
Proceeds of lease financing obligations			$ 1,700
Lease financing monthly principal and interest payment				200
Lease financing expiration date			Feb. 28, 2019
Carpathia Hosting, Inc. [Member] | Sale-Leaseback Transaction [Member]
Capital Leased Assets [Line Items]
Capital lease and lease financing obligations acquired		21,300
Carpathia Hosting, Inc. [Member] | Tenant Improvement Allowance [Member]
Capital Leased Assets [Line Items]
Lease financing obligations	$ 4,800	$ 4,800	$ 4,800	$ 4,800
Minimum [Member] | Carpathia Hosting, Inc. [Member]
Capital Leased Assets [Line Items]
Lease expiration year	2018
Monthly lease payment	$ 200
Maximum [Member] | Carpathia Hosting, Inc. [Member]
Capital Leased Assets [Line Items]
Lease expiration year	2019
Monthly lease payment	$ 500
Lease financing monthly principal and interest payment			$ 100