Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Net Investment in Sales-type Leases (Narrative) (Details)

v3.7.0.1
Net Investment in Sales-type Leases (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Leases, Capital [Abstract]      
Interest income for sales-type leases $ 1.0 $ 1.0 $ 0.8