Commitments and Contingencies (Details) $ in Thousands	Jun. 30, 2015 USD ($)
Commitments and Contingencies [Line Items]
2015	$ 1,460
2016	2,469
2017	2,143
2018	1,513
2019	1,327
Thereafter	26,821	[1]
Total future minimum lease payments	$ 35,733

[1] The Company’s lease obligations average $1.2 million per year through the year 2023. In addition to operating and office leases, the Company has ground leases that average $0.4 million per year through the year 2081.