Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Consolidated Statements of Stockholders' Equity [Abstract]
Issuance of stock and related tax withholdings for vested restricted stock units (in shares)	149,722	212,392	230,624
Conversion of Class B shares(in shares)		261	18
Dividends declared (in dollars per share)	$ 0.385	$ 0.380	$ 0.370

Number of shares issued during the period as a result of the conversion of convertible securities.

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