Commitments and Contingencies (Details) ft² in Thousands, $ in Thousands	1 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($) ft²	Apr. 30, 2015 USD ($)	Jun. 30, 2015 USD ($) ft²	Aug. 31, 2015 lawsuit
Loss Contingencies [Line Items]
Initial monthly fixed rent payments			$ 400
Rent credits			3,600
Tenant improvement allowance			$ 5,800
Lease term of contract			10 years 10 months
Pending Litigation [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of putative class actions filed | lawsuit				2
New Denver Lease [Member]
Loss Contingencies [Line Items]
Tenant improvement allowance	$ 2,600
Lease term of contract	124 months
Number of square feet | ft²	72		72
Average monthly fixed rent payment	$ 144
General and Administrative Expense [Member]
Loss Contingencies [Line Items]
Lease termination fee		$ 400