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Subsequent events	6 Months Ended
Subsequent events	Jun. 30, 2022
Subsequent Events [Abstract]
Subsequent events	Subsequent events On July 29, 2022, the Company announced a quarterly dividend in the amount of $0.15 per share, payable on August 26, 2022 to holders of Class A Stock and Class B Stock of record on August 12, 2022. On July 28, 2022, the Company's Board of Directors approved a share repurchase program that authorizes the Company to purchase up to 536,500 shares of the Company's Class A Stock, representing approximately 4.8% of its 11,251,930 then issued and outstanding shares of Class A Stock. This authorization supplemented the 4,278 shares that remained authorized and available under the Company's previous share repurchase program for a total of 540,778 shares authorized.