Consolidated Statements of Equity [Parenthetical] - shares	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restricted stock issuances (in shares)	50,781	52,433	48,482
Conversion from Class B to common stock (in shares)			2,271

Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration