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Summary of Significant Accounting Policies (Details Textual) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Jan. 01, 2022 | Dec. 31, 2014
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Retained earnings | $ 916,060 | $ 876,402 |  |  |
Aggregate amount of transaction price allocated to remaining performance obligations | $ 2,000,000 |  |  |  |
Remaining performance obligations expected to be recognized, year | 2028 |  |  |  |
Restricted cash | $ 1,400 | 1,700 |  |  |
Proceeds from sale/maturity of short-term investments | 90,452 | 56,454 | $ 52,135 |  |
Research and development | $ 134,691 | $ 122,847 | $ 127,994 |  |
Common stock warrants issued, per warrant |  |  |  |  | $ 26.68
Common stock Warrants |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Common stock warrants issued, per warrant | $ 26.68 |  |  |  |
Minimum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Billed accounts receivable, payment term | 30 days |  |  |  |
Property and equipment, useful lives | 3 years |  |  |  |
Maximum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Billed accounts receivable, payment term | 60 days |  |  |  |
Short-term investment contractual maturities | 2 years | 2 years |  |  |
Property and equipment, useful lives | 10 years |  |  |  |
SaaS and Related Solutions Revenue | Minimum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Long-term arrangements service period | 3 years |  |  |  |
Future revenue including variable consideration, contractual terms ending, year | 2022 |  |  |  |
SaaS and Related Solutions Revenue | Maximum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Long-term arrangements service period | 5 years |  |  |  |
Future revenue including variable consideration, contractual terms ending, year | 2028 |  |  |  |
Managed Services Solutions | Minimum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Long-term arrangements service period | 3 years |  |  |  |
Managed Services Solutions | Maximum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Long-term arrangements service period | 5 years |  |  |  |
ASU 2020-06 | Cumulative Effect, Period of Adoption, Adjustment | Subsequent Event |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Retained earnings |  |  |  | $ 10,000 |

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