Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2020

Stockholders' Equity.

Summary of share repurchase activity

	Quarter ended September 30,				Nine months ended September 30,				Cumulative
	2020		2019		2020		2019		total (1)
	(in thousands)
Shares of common stock repurchased		118		—		7,331		51		8,147
Cost of shares of common stock repurchased	$	6,927	$	—	$	248,210	$	1,056	$	263,158

(1) Amounts represent the total shares of common stock repurchased under the stock repurchase program through September 30, 2020.