Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2020

Stockholders' Equity Attributable to Parent [Abstract]

Repurchase Agreements, Collateral, Policy

The following table shows the repurchase amounts, shares repurchased, and weighted average price per share for stock repurchases under the various Stock Repurchase Programs for the years indicated:

	Year Ended December 31,
Stock Repurchases Under Stock Repurchase Programs	2020		2019		2018
Dollar amount of repurchases (in thousands)	$	70,000	$	154,516	$	306,393
Number of shares repurchased	1,953,711		3,987,945		5,849,234
Weighted average price per share	$	35.83	$	38.75	$	52.38