Annual report pursuant to Section 13 and 15(d)

Income Taxes - Significant Components of The Deferred Tax Assets and Liabilities (Details)

v3.19.3.a.u2
Income Taxes - Significant Components of The Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Deferred tax assets    
Accruals and prepaids $ 19,704 $ 18,871
Deferred revenue 11,229 0
Net operating loss carryforwards 347,997 288,039
Stock-based compensation 7,104 5,681
Investment tax and other credits 32,878 28,551
Interest Expense 12,394 9,614
Interest rate derivatives 18,988 1,282
Total deferred tax assets 450,294 352,038
Less: Valuation allowance (12,120) (10,506)
Gross deferred tax assets 438,174 341,532
Deferred tax liabilities    
Deferred revenue 0 17,526
Capitalized costs to obtain a contract 66,247 54,823
Fixed asset depreciation 263,917 218,701
Deferred tax on investment in partnerships 173,974 144,115
Gross deferred tax liabilities 504,138 435,165
Net deferred tax liabilities $ (65,964) $ (93,633)