Stockholders' Equity, Stock Repurchase Program, Dividends and Shelf Registration (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Jul. 21, 2021
Dividends [Abstract]
Dividends declared (in dollars per share)	$ 0.04	$ 0.02
Shelf Registration [Abstract]
Maximum amount of debt and equity to be issued under shelf registration			$ 500
Class A Stock [Member]
Dividends [Abstract]
Dividends declared (in dollars per share)	$ 0.04	$ 0.02
Class A Stock [Member] | Stock Repurchase Program [Member]
Stock Repurchase Program [Abstract]
Shares repurchased (in shares)	140,895	97,078
Average price per share of repurchased shares (in dollars per share)	$ 22.34	$ 18.68
Share available under program to repurchase (in shares)	2,033,042
Class B Stock [Member]
Dividends [Abstract]
Dividends declared (in dollars per share)	$ 0.04	$ 0.02