Consolidated Balance Sheets (Parenthetical) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Debt Securities, Held-to-maturity, Allowance for Credit Loss	$ (160,000)	$ 0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	210,000,000	210,000,000
Common Stock, Shares, Issued	64,236,306	64,236,306
Treasury Stock, Shares	1,225,066	1,567,302
Series A Preferred Stock [Member]
Preferred Stock, Par or Stated Value Per Share		$ 0.01
Preferred Stock, Shares Authorized		10,000,000
Preferred Stock, Shares Issued		6,000,000
Preferred Stock, Liquidation Preference, Value		$ 25
Series B Preferred Stock [Member]
Preferred Stock, Par or Stated Value Per Share	$ 0.01
Preferred Stock, Shares Authorized	10,000,000
Preferred Stock, Shares Issued	150,000
Preferred Stock, Liquidation Preference, Value	$ 1,000