Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Property, building and equipment, accumulated depreciation $ 82,721 $ 69,441
Intangible assets, accumulated amortization $ 17,659 $ 16,431
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 5,000,000 5,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 60,000,000 60,000,000
Common stock, shares issued (in shares) 36,355,497 36,129,280
Common stock, shares outstanding (in shares) 31,139,840 30,992,390
Treasury shares (in shares) 5,215,657 5,136,890