Short-term Investment Securities	3 Months Ended
Mar. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Short-term Investment Securities	Short-term Investment SecuritiesThe Company's short-term investment securities are classified as available-for-sale and generally consist of U.S. Treasury and U.S. government agency securities with contractual maturities of 12 months or less. These securities are stated at fair value within current assets on the Company's condensed consolidated balance sheets. Realized gains and losses on sales of investments, if any, are reflected in non-operating income (expense) in the condensed consolidated statements of operations. As of March 31, 2022 and December 31, 2021, the Company had $106.0 million and $106.3 million in short-term available-for-sale investment securities, respectively. During the three months ended March 31, 2022, these investments earned interest income at a weighted-average fixed rate of approximately 0.2%. For the three months ended March 31, 2022, an unrealized loss of $262 thousand, net of deferred taxes of $77 thousand, was recorded within accumulated other comprehensive income ("AOCI") related to these investment securities. For the three months ended March 31, 2021, an unrealized gain of $7 thousand, net of deferred taxes of $2 thousand was recorded within AOCI related to these investment securities. For the three months ended March 31, 2022 and March 31, 2021, the Company had no realized gains or losses as the Company did not sell any of these securities during these periods. As of March 31, 2022 and December 31, 2021, $305 thousand and $43 thousand, net of tax, respectively, remained in AOCI, related to these instruments.

Short-term Investment Securities

3 Months Ended

Mar. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Short-term Investment SecuritiesThe Company's short-term investment securities are classified as available-for-sale and generally consist of U.S. Treasury and U.S. government agency securities with contractual maturities of 12 months or less. These securities are stated at fair value within current assets on the Company's condensed consolidated balance sheets. Realized gains and losses on sales of investments, if any, are reflected in non-operating income (expense) in the condensed consolidated statements of operations. As of March 31, 2022 and December 31, 2021, the Company had $106.0 million and $106.3 million in short-term available-for-sale investment securities, respectively. During the three months ended March 31, 2022, these investments earned interest income at a weighted-average fixed rate of approximately 0.2%. For the three months ended March 31, 2022, an unrealized loss of $262 thousand, net of deferred taxes of $77 thousand, was recorded within accumulated other comprehensive income ("AOCI") related to these investment securities. For the three months ended March 31, 2021, an unrealized gain of $7 thousand, net of deferred taxes of $2 thousand was recorded within AOCI related to these investment securities. For the three months ended March 31, 2022 and March 31, 2021, the Company had no realized gains or losses as the Company did not sell any of these securities during these periods. As of March 31, 2022 and December 31, 2021, $305 thousand and $43 thousand, net of tax, respectively, remained in AOCI, related to these instruments.