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Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details) shares in Thousands |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2022 USD ($) segment | Jun. 30, 2022 USD ($) position shares | Mar. 22, 2022 segment | Jun. 30, 2021 USD ($) shares | Jun. 30, 2022 USD ($) reporting_unit position shares | Jun. 30, 2021 USD ($) shares | Dec. 31, 2021 USD ($) reporting_unit | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Deferred tax liabilities |  | $ 42,669,000 |  |  | $ 42,669,000 |  | $ 59,095,000 |  |
Stockholders' equity | $ 793,192,000 | 802,365,000 |  | $ 786,517,000 | 802,365,000 | $ 786,517,000 | 821,159,000 | $ 745,840,000 | $ 709,525,000
Revenue recognized that was previously deferred |  | $ 4,100,000 |  | $ 10,300,000 | $ 6,100,000 | $ 16,100,000 |  |  |
Number of positions in an unrealized loss position | position |  | 8 |  |  | 8 |  |  |  |
Credit losses related to available-for-sale debt securities |  | $ 0 |  |  | $ 0 |  |  |  |
Additional allowance for credit losses recorded related to COVID-19 |  | (100,000) |  |  | (200,000) |  |  |  |
Inventory |  | $ 24,773,000 |  |  | $ 24,773,000 |  | $ 27,326,000 |  |
Number of reporting units | reporting_unit |  |  |  |  | 2 |  | 1 |  |
Number of reportable segments | segment | 2 |  | 1 |  |  |  |  |  |
Potentially dilutive shares excluded from calculation due to anti-dilutive effect (shares) | shares |  | 6,794 |  | 5,087 | 6,400 | 4,684 |  |  |
Captisol |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Inventory |  | $ 18,900,000 |  |  | $ 18,900,000 |  | $ 24,600,000 |  |
Share-based Compensation |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Potentially dilutive shares excluded from calculation due to anti-dilutive effect (shares) | shares |  | 200 |  |  | 300 |  |  |  |
Restricted Stock Awards |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Performance period for awards |  |  |  |  | 3 years |  |  |  |
Minimum | Restricted Stock Awards |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Payout range (as a percent) |  |  |  |  | 0.00% |  |  |  |
Maximum | Restricted Stock Awards |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Payout range (as a percent) |  |  |  |  | 200.00% |  |  |  |
Adjustment |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Stockholders' equity |  |  |  |  |  |  | (15,997,000) |  |
Adjusted Balance |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Convertible notes payable |  |  |  |  |  |  | 341,100,000 |  |
Unamortized discount |  |  |  |  |  |  | 2,200,000 |  |
Accounting Standards Update 2020-06 |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Potentially dilutive shares excluded from calculation due to anti-dilutive effect (shares) | shares |  | 900 |  |  | 1,800 |  |  |  |
Accounting Standards Update 2020-06 | Adjustment |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Convertible notes payable |  |  |  |  |  |  | 20,400,000 |  |
Deferred tax liabilities |  |  |  |  |  |  | (4,400,000) |  |
Additional paid in capital |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Stockholders' equity | $ 325,368,000 | $ 335,471,000 |  | $ 346,578,000 | $ 335,471,000 | $ 346,578,000 | 372,969,000 | 336,621,000 | 318,358,000
Additional paid in capital | Adjustment |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Stockholders' equity |  |  |  |  |  |  | (51,130,000) |  |
Additional paid in capital | Accounting Standards Update 2020-06 | Adjustment |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Stockholders' equity |  |  |  |  |  |  | (51,100,000) |  |
Retained earnings |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Stockholders' equity | $ 468,838,000 | $ 467,943,000 |  | $ 440,783,000 | $ 467,943,000 | $ 440,783,000 | 449,090,000 | $ 410,058,000 | $ 391,952,000
Retained earnings | Adjustment |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Stockholders' equity |  |  |  |  |  |  | 35,133,000 |  |
Retained earnings | Accounting Standards Update 2020-06 | Adjustment |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Stockholders' equity |  |  |  |  |  |  | $ 35,100,000 |  |

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