Commitments, Contingencies, Guarantees and Indemnities (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Equipment Held for Operating Lease
Remaining lease commitment	$ 2,939
Office space | Novato, California
Equipment Held for Operating Lease
Remaining lease commitment	932
Office space | Singapore
Equipment Held for Operating Lease
Remaining lease commitment	102
Office space | Shanghai, China
Equipment Held for Operating Lease
Remaining lease commitment	86
Office space | Dublin, Ireland
Equipment Held for Operating Lease
Remaining lease commitment	12
Office space | London, United Kingdom
Equipment Held for Operating Lease
Remaining lease commitment	116
Office space | Blagnac, France
Equipment Held for Operating Lease
Remaining lease commitment	16
Office and warehouse space | Boynton Beach, Florida
Equipment Held for Operating Lease
Remaining lease commitment	822
Office and warehouse space | San Diego, California
Equipment Held for Operating Lease
Remaining lease commitment	481
Office and warehouse space | Bridgend, Wales, United Kingdom
Equipment Held for Operating Lease
Remaining lease commitment	368
Warehouse lease | Shanghai, China
Equipment Held for Operating Lease
Remaining lease commitment	$ 4