Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2022

Stockholders Equity Note [Abstract]

Reconciliation of Number of Shares of Common Stock

A reconciliation of the number of shares of our outstanding common stock follows:

	Three months ended March 31,
	2022			2021
	(In thousands)
Common stock, beginning of period	$	39,368		$	39,306
Shares of common stock issued upon lapse of sales restrictions on    restricted stock units (“RSUs”)		132			150
Common stock retired		(748	)		(42	)
Common stock, end of period	$	38,752		$	39,414