Investment Securities (Schedule of gross unrealized losses and fair value, securities in continuous unrealized loss position) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	$ 4,029	$ 40,946
Less Than 12 Months Unrealized Losses	(675)	(4,211)
12 Months or Longer Fair Value	202,667	181,268
12 Months or Longer Unrealized Losses	(36,046)	(31,646)
Fair Value	206,696	222,214
Unrealized Losses	(36,721)	(35,857)
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
12 Months or Longer Fair Value	33,299	37,857
12 Months or Longer Unrealized Losses	(1,824)	(2,315)
Fair Value	33,299	37,857
Unrealized Losses	(1,824)	(2,315)
U.S. government agency mortgage-backed securities-residential
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	437	23,384
Less Than 12 Months Unrealized Losses	(31)	(2,711)
12 Months or Longer Fair Value	134,749	121,151
12 Months or Longer Unrealized Losses	(29,840)	(26,681)
Fair Value	135,186	144,535
Unrealized Losses	(29,871)	(29,392)
U.S. government agency securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value		9,160
Less Than 12 Months Unrealized Losses		(869)
12 Months or Longer Fair Value	22,584	13,289
12 Months or Longer Unrealized Losses	(2,196)	(1,467)
Fair Value	22,584	22,449
Unrealized Losses	(2,196)	(2,336)
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	516	1,529
Less Than 12 Months Unrealized Losses	(14)	(4)
12 Months or Longer Fair Value	2,242	3,127
12 Months or Longer Unrealized Losses	(279)	(327)
Fair Value	2,758	4,656
Unrealized Losses	(293)	(331)
Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	2,427	6,873
Less Than 12 Months Unrealized Losses	(573)	(627)
12 Months or Longer Fair Value	9,793	5,844
12 Months or Longer Unrealized Losses	(1,907)	(856)
Fair Value	12,220	12,717
Unrealized Losses	(2,480)	$ (1,483)
Other
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	649
Less Than 12 Months Unrealized Losses	(57)
Fair Value	649
Unrealized Losses	$ (57)