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Stockholders' Equity	9 Months Ended
Stockholders' Equity	Sep. 30, 2020
Stockholders' Equity Note [Abstract]
Stockholders' Equity	STOCKHOLDERS’ EQUITY On May 15, 2019, the Company filed its $500,000 "at the market" equity program with the Securities and Exchange Commission using a shelf registration statement on Form S-3, and entered into separate equity distribution agreements with nine sales agents. During the nine months ended September 30, 2020, the Company sold no shares of common stock under its "at the market" equity program and had $298,621 available for issuance under the equity distribution agreements. On November 8, 2017, the Company's board of directors authorized a three-year share repurchase program to allow for the repurchase of shares with an aggregate value up to $400,000. During the nine months ended September 30, 2020, the Company repurchased 826,797 shares at an average price of $82.09 per share, paying a total of $67,873. As of September 30, 2020, the Company had remaining authorization to repurchase shares with an aggregate value up to $332,127. On October 15, 2020, the Company's board of directors authorized a new share repurchase program allowing for the repurchase of shares with an aggregate value up to $400,000, which replaced the Company's prior share repurchase program that was scheduled to expire on November 8, 2020.