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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Debt securities, held-to-maturity $ 5,475 $ 7,574
Preferred stock, par value (usd per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (shares) 25,000,000 25,000,000
Preferred stock, shares issued (shares) 0 0
Preferred stock, shares outstanding (shares) 0 0
Common stock, par value (usd per share) $ 0.01 $ 0.01
Common stock, shares authorized (shares) 150,000,000 150,000,000
Common stock, shares issued (shares) 64,770,875 64,770,875
Common stock, shares outstanding (shares) 49,266,733 52,209,897
Treasury stock, shares (shares) 15,504,142 12,560,978