Property, equipment and right-of-use assets - Property and equipment are stated at cost less accumulated depreciation and amortization. Depreciation and amortization is computed using the straight-line method over the estimated useful lives of the assets. Depreciation of leasehold improvements and amortization of finance leases is included in depreciation and amortization expense on the consolidated statements of operations. Operating lease amortization expense is included in general and administrative expenses on the consolidated statements of operations.


Asset Category						Estimated Useful Life
Buildings						30 years
Building equipment						10 - 15 years
Equipment and furniture and fixtures						2 - 6 years
Leasehold improvements						Shorter of life of improvement or lease term
Right-of-use assets						Shorter of life of the asset or lease term