Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2019

Stockholders' Equity Attributable to Parent [Abstract]

Repurchase Agreements, Collateral, Policy

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

	Year Ended December 31,
Stock Repurchases Under Stock Repurchase Programs	2019		2018		2017
Dollar amount of repurchases (in thousands)	$	154,516	$	306,393	$	99,677
Number of shares repurchased	3,987,945		5,849,234		2,081,227
Weighted average price per share	$	38.75	$	52.38	$	47.89