Commitments and Contingencies (Details) $ in Thousands		Mar. 31, 2015 USD ($)
Commitments and Contingencies [Line Items]
2015		$ 1,923
2016		2,270
2017		1,963
2018		1,513
2019		1,327
Thereafter	[1]	26,821
Total future minimum lease payments		$ 35,817

[1] The Company’s lease obligations total $1.3 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.