Annual report pursuant to Section 13 and 15(d)

Schedule II Valuation and Qualifying Accounts (Details)

v3.3.1.900
Schedule II Valuation and Qualifying Accounts (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Allowance for Doubtful Accounts [Member]    
Movement in Valuation Allowances and Reserves [Roll Forward]    
Valuation Allowances and Reserves, Balance at Beginning of Period $ 0 $ 9
Additions Charged to Operations 802 0
Deductions, Other 0 (9)
Valuation Allowances and Reserves, Balance at end of Period 802 0
Allowance for Notes Receivable [Member]    
Movement in Valuation Allowances and Reserves [Roll Forward]    
Valuation Allowances and Reserves, Balance at Beginning of Period 1,626 1,040
Additions Charged to Operations 20 586
Valuation Allowances and Reserves, Balance at end of Period 1,646 1,626
Valuation Allowance, Other Tax Carryforward [Member]    
Movement in Valuation Allowances and Reserves [Roll Forward]    
Valuation Allowances and Reserves, Balance at Beginning of Period 55,126 53,534
Additions Charged to Operations 0 (4,991)
Deductions, Other [1] 1,742 6,583
Valuation Allowances and Reserves, Balance at end of Period $ 56,868 $ 55,126
[1] Includes payments and actual write offs, as well as changes in estimates in the reserves.