XML 122 R99.htm IDEA: XBRL DOCUMENT v3.3.1.900
Sale-Leaseback Financing Obligation - Additional Information (Detail) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Dec. 31, 2010
Dec. 31, 2015
Dec. 31, 2014
Sale Leaseback Transaction [Line Items]      
Gross cash consideration from lease agreement   $ 27,200  
Net cash consideration from lease agreement   $ 3,500 $ 23,700
Interest rate of sale-leaseback agreement   4.37%  
Lease term 15 years 10 years  
Sale-leaseback financing obligation outstanding   $ 13,900 14,300
Current portion of sale-leaseback financing obligation   500 400
Sale-leaseback financing obligation, net of current portion   13,400 $ 13,900
Sale-Leaseback Financing Obligation [Member]      
Sale Leaseback Transaction [Line Items]      
Restricted cash escrow   $ 250  
Sale Leaseback Solar Energy System Asset [Member]      
Sale Leaseback Transaction [Line Items]      
Property and equipment, Useful Lives   30 years  
Minimum [Member]      
Sale Leaseback Transaction [Line Items]      
Lease extension period   2 years  
Maximum [Member]      
Sale Leaseback Transaction [Line Items]      
Lease extension period   6 years  
Property and equipment, Useful Lives   30 years