Consolidated Balance Sheets (unaudited) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Debt Securities, Held-to-maturity, Fair Value	$ 100,354	$ 103,157
Preferred Stock, Par or Stated Value Per Share	$ 1.00	$ 1.00
Preferred Stock, Shares Authorized	250,000	250,000
Common stock, par value (in dollars per share)	$ 2.50	$ 2.50
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	12,988,667	12,985,708
Common stock, shares outstanding	12,950,714	12,942,004
Employee Stock Ownership Plan (ESOP), Number of Suspense Shares	37,953	43,704