Available for Sale Securities (Schedule of gross unrealized losses and fair value, securities in continuous unrealized loss position) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	$ 40,946	$ 211,005
Less Than 12 Months Unrealized Losses	(4,211)	(3,539)
12 Months or Longer Fair Value	181,268	16,799
12 Months or Longer Unrealized Losses	(31,646)	(493)
Fair Value	222,214	227,804
Unrealized Losses	(35,857)	(4,032)
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value		49,007
Less Than 12 Months Unrealized Losses		(268)
12 Months or Longer Fair Value	37,857	5,797
12 Months or Longer Unrealized Losses	(2,315)	(182)
Fair Value	37,857	54,804
Unrealized Losses	(2,315)	(450)
U.S. government agency mortgage-backed securities-residential
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	23,384	139,019
Less Than 12 Months Unrealized Losses	(2,711)	(3,035)
12 Months or Longer Fair Value	121,151	11,002
12 Months or Longer Unrealized Losses	(26,681)	(311)
Fair Value	144,535	150,021
Unrealized Losses	(29,392)	(3,346)
U.S. government agency securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	9,160	14,625
Less Than 12 Months Unrealized Losses	(869)	(131)
12 Months or Longer Fair Value	13,289
12 Months or Longer Unrealized Losses	(1,467)
Fair Value	22,449	14,625
Unrealized Losses	(2,336)	(131)
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	1,529	2,469
Less Than 12 Months Unrealized Losses	(4)	(40)
12 Months or Longer Fair Value	3,127
12 Months or Longer Unrealized Losses	(327)
Fair Value	4,656	2,469
Unrealized Losses	(331)	(40)
Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	6,873	5,885
Less Than 12 Months Unrealized Losses	(627)	(65)
12 Months or Longer Fair Value	5,844
12 Months or Longer Unrealized Losses	(856)
Fair Value	12,717	5,885
Unrealized Losses	$ (1,483)	$ (65)

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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