Stockholders' Equity - Changes in Number of Shares of Class A Stock Outstanding (Details) - Class A Stock - shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Common Stock, Shares Outstanding, Rollforward [Roll Forward]
Class A Stock outstanding, beginning of year	10,231,736	10,186,783
Issued pursuant to share-based compensation plans (in shares)	202,131	288,759
Stock repurchased and canceled (in shares)	46,292	243,806
Class A Stock outstanding, end of year	10,387,575	10,231,736