Debt	12 Months Ended
Dec. 31, 2021
Debt Disclosure [Abstract]
Debt	7. Debt 2014 Credit Facility In October 2014, the Company entered into an unsecured revolving credit facility which has been subsequently amended (the “2014 Credit Facility”). The revolving credit facility allows for the drawdown of up to $400.0 million to fund working capital and general corporate expenditures. Outstanding balances under the 2014 Credit Facility incur interest at the London Interbank Offered Rate (“LIBOR”), or the applicable benchmark replacement rate, plus a margin of 2.75% per annum, subject to certain adjustments, and the Company incurs a commitment fee of 0.375% assessed on the daily average undrawn portion of revolving commitments. Interest and commitment fees are payable at the end of an interest period or at each three-month interval if the interest period is longer than three months. The 2014 Credit Facility, as amended, matures on June 4, 2023. As of December 31, 2021, the Company had no amounts outstanding and a $400.0 million undrawn revolving credit facility. As of December 31, 2020, the Company had $200.0 million in outstanding debt. The 2014 Credit Facility contains customary representations and warranties, and certain financial and nonfinancial covenants, including but not limited to maintaining minimum liquidity of $50.0 million, and certain limitations on liens and indebtedness. The Company was in compliance with all covenants associated with the 2014 Credit Facility as of December 31, 2021.

Debt

12 Months Ended

Dec. 31, 2021

7. Debt

2014 Credit Facility

In October 2014, the Company entered into an unsecured revolving credit facility which has been subsequently amended (the “2014 Credit Facility”). The revolving credit facility allows for the drawdown of up to

$400.0 million to fund working capital and general corporate expenditures. Outstanding balances under the 2014 Credit Facility incur interest at the London Interbank Offered Rate (“LIBOR”), or the applicable benchmark replacement rate, plus a margin of 2.75% per annum, subject to certain adjustments, and the Company incurs a commitment fee of 0.375% assessed on the daily average undrawn portion of revolving commitments. Interest and commitment fees are payable at the end of an interest period or at each three-month interval if the interest period is longer than three months. The 2014 Credit Facility, as amended, matures on June 4, 2023.

As of December 31, 2021, the Company had no amounts outstanding and a $400.0 million undrawn revolving credit facility. As of December 31, 2020, the Company had $200.0 million in outstanding debt.

The 2014 Credit Facility contains customary representations and warranties, and certain financial and nonfinancial covenants, including but not limited to maintaining minimum liquidity of $50.0 million, and certain limitations on liens and indebtedness. The Company was in compliance with all covenants associated with the 2014 Credit Facility as of December 31, 2021.