Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.20.4
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2020
Dec. 31, 2019
Treasury Stock, Shares (in shares) 3,808,060 3,526,018
Common Stock    
Common Stock, Par value (in usd per share) $ 0.01 $ 0.01
Common Stock, Shares authorized (in shares) 40,000,000 40,000,000
Common Stock, Shares issued (in shares) 27,824,766 26,874,223
Common Stock, Shares outstanding (in shares) 24,016,706 23,348,205
Convertible Class B Stock    
Common Stock, Par value (in usd per share) $ 0.01 $ 0.01
Common Stock, Shares authorized (in shares) 15,000,000 15,000,000
Common Stock, Shares issued (in shares) 6,877,437 7,650,382
Common Stock, Shares outstanding (in shares) 6,877,437 7,650,382