Share Repurchase Program	9 Months Ended
Sep. 30, 2021
Equity [Abstract]
Share Repurchase Program	7.Share Repurchase Program On February 26, 2020, we announced that our Board of Directors had authorized the repurchase of up to $50,000,000 of our common stock. On May 6, 2021, we announced that our Board of Directors had authorized the repurchase of up to $125,000,000 of our common stock, including the $25,000,000 that remained available from the February 2020 authorization. Our share repurchases may be made on the open market, subject to Rule 10b-18 or in privately negotiated transactions, through block trades, through 10b5-1 plans or otherwise, at management’s discretion. The amount of shares purchased and the timing of the purchases will be based on market conditions, working capital requirements, general business conditions and other factors. We intend to retire the repurchased shares. During the nine months ended September 30, 2021, we repurchased 497,243 shares of our common stock on the open market at a total cost of $49,999,979 (an average price of $100.55 per share). During the nine months ended September 30, 2020, we repurchased 444,813 shares of our common stock on the open market at a total cost of $24,999,996 (an average price of $56.20 per share). All shares repurchased during the nine months ended September 30, 2021 and 2020 were retired.

Share Repurchase Program

9 Months Ended

Sep. 30, 2021

7.Share Repurchase Program

On February 26, 2020, we announced that our Board of Directors had authorized the repurchase of up to $50,000,000 of our common stock. On May 6, 2021, we announced that our Board of Directors had authorized the repurchase of up to $125,000,000 of our common stock, including the $25,000,000 that remained available from the February 2020 authorization. Our share repurchases may be made on the open market, subject to Rule 10b-18 or in privately negotiated transactions, through block trades, through 10b5-1 plans or otherwise, at management’s discretion. The amount of shares purchased and the timing of the purchases will be based on market conditions, working capital requirements, general business conditions and other factors. We intend to retire the repurchased shares.

During the nine months ended September 30, 2021, we repurchased 497,243 shares of our common stock on the open market at a total cost of $49,999,979 (an average price of $100.55 per share). During the nine months ended September 30, 2020, we repurchased 444,813 shares of our common stock on the open market at a total cost of $24,999,996 (an average price of $56.20 per share). All shares repurchased during the nine months ended September 30, 2021 and 2020 were retired.