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Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Jan. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax assets | $ 4,435 |  |  |  | $ 159,099 |  |  |  | $ 4,435 | $ 159,099 |  |
Unbilled Contracts Receivable | 673,616 |  |  |  |  |  |  |  | 673,616 |  |  |
Contract with Customer, Liability, Current |  |  |  |  |  |  |  |  |  |  |  | $ 2,000
Increase (Decrease) in Unbilled Receivables |  |  |  |  |  |  |  |  | (145,164) | 0 | $ 0 |
Contract and other revenue | (68,563) | $ (59,754) | $ (56,458) | $ (46,426) | (101,891) | $ (99,134) | $ (94,720) | $ (97,351) | (231,201) | (393,096) | (336,597) |
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  | 87,329 | 63,851 | 15,817 |
Net Income (Loss) | (2,018) | $ (104,893) | $ (15,357) | $ (35,689) | (36,168) | $ 7,695 | $ 2,605 | $ 3,006 | (157,957) | (22,862) | 6,820 |
Contract with Customer, Liability | 19,566 |  |  |  |  |  |  |  | 19,566 |  |  | 20,737
Accrued Income Taxes, Current | 93,670 |  |  |  |  |  |  |  | 93,670 |  |  | 105,000
Increase (Decrease) in Income Taxes Payable |  |  |  |  |  |  |  |  | (14,550) | 861 | (175) |
Deferred Tax Assets, Gross | 302,742 |  |  |  | 200,971 |  |  |  | 302,742 | 200,971 |  | 105,000
Deferred Tax Assets, Valuation Allowance | 173,878 |  |  |  | 50,911 |  |  |  | 173,878 | 50,911 |  | 16,000
Deferred Tax Assets, Net | 14,525 |  |  |  |  |  |  |  | 14,525 |  |  | 174,000
Accumulated deficit | 204,294 |  |  |  | 636,227 |  |  |  | 204,294 | 636,227 |  | (626,000)
Deferred Tax Liabilities, Net, Noncurrent | 18,960 |  |  |  | $ 9,830 |  |  |  | 18,960 | 9,830 |  |
Accumulated Deficit |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net Income (Loss) |  |  |  |  |  |  |  |  | (157,957) | (22,862) | 6,820 |
Calculated under Revenue Guidance in Effect before Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Unbilled Contracts Receivable | 0 |  |  |  |  |  |  |  | 0 |  |  |
Contract and other revenue |  |  |  |  |  |  |  |  | (401,101) |  |  |
Other Nonoperating Income |  |  |  |  |  |  |  |  | (10,896) |  |  |
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  | 87,329 |  |  |
Net Income (Loss) |  |  |  |  |  |  |  |  | (15,292) |  |  |
Contract with Customer, Liability | 18,323 |  |  |  |  |  |  |  | 18,323 |  |  |
Accrued Income Taxes, Current | 3,270 |  |  |  |  |  |  |  | 3,270 |  |  |
Deferred Tax Assets, Net | 16,881 |  |  |  |  |  |  |  | 16,881 |  |  |
Accumulated deficit | (687,917) |  |  |  |  |  |  |  | (687,917) |  |  |
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Deferred Income Taxes |  |  |  |  |  |  |  |  | (2,079) |  |  |
Unbilled Contracts Receivable |  |  |  |  |  |  |  |  |  |  |  | $ 818,000
Increase (Decrease) in Unbilled Receivables |  |  |  |  |  |  |  |  | (673,616) |  |  |
Contract and other revenue |  |  |  |  |  |  |  |  | (169,900) |  |  |
Other Nonoperating Income |  |  |  |  |  |  |  |  | (27,235) |  |  |
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  | 0 |  |  |
Net Income (Loss) |  |  |  |  |  |  |  |  | 142,665 |  |  |
Increase (Decrease) in Deferred Revenue and Customer Advances and Deposits |  |  |  |  |  |  |  |  | (1,243) |  |  |
Increase (Decrease) in Income Taxes Payable |  |  |  |  |  |  |  |  | (90,400) |  |  |
Accumulated deficit | $ (483,623) |  |  |  |  |  |  |  | (483,623) |  |  |
Royalty [Member] |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contract and other revenue |  |  |  |  |  |  |  |  | (130,452) | (289,594) | (264,614) |
Royalty [Member] | Calculated under Revenue Guidance in Effect before Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contract and other revenue |  |  |  |  |  |  |  |  | (303,221) |  |  |
Royalty [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contract and other revenue |  |  |  |  |  |  |  |  | (172,769) |  |  |
Product Revenue [Member] |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contract and other revenue |  |  |  |  |  |  |  |  | (38,690) | (36,509) | (26,052) |
Product Revenue [Member] | Calculated under Revenue Guidance in Effect before Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contract and other revenue |  |  |  |  |  |  |  |  | (39,397) |  |  |
Product Revenue [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contract and other revenue |  |  |  |  |  |  |  |  | (707) |  |  |
Contract and other Revenue [Member] |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contract and other revenue |  |  |  |  |  |  |  |  | (62,059) | $ (66,993) | $ (45,931) |
Contract and other Revenue [Member] | Calculated under Revenue Guidance in Effect before Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contract and other revenue |  |  |  |  |  |  |  |  | (58,483) |  |  |
Contract and other Revenue [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Contract and other revenue |  |  |  |  |  |  |  |  | $ (3,576) |  |  |

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- Definition Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(15)(1)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(24)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(15)(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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