Investment Securities (Schedule of gross unrealized losses and fair value, securities in continuous unrealized loss position) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	$ 188,944	$ 211,005
Less Than 12 Months Unrealized Losses	(17,602)	(3,539)
12 Months or Longer Fair Value	53,150	16,799
12 Months or Longer Unrealized Losses	(6,915)	(493)
Fair Value	242,094	227,804
Unrealized Losses	(24,517)	(4,032)
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	24,176	49,007
Less Than 12 Months Unrealized Losses	(956)	(268)
12 Months or Longer Fair Value	14,082	5,797
12 Months or Longer Unrealized Losses	(1,010)	(182)
Fair Value	38,258	54,804
Unrealized Losses	(1,966)	(450)
U.S. government agency mortgage-backed securities-residential
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	128,642	139,019
Less Than 12 Months Unrealized Losses	(14,543)	(3,035)
12 Months or Longer Fair Value	36,564	11,002
12 Months or Longer Unrealized Losses	(5,678)	(311)
Fair Value	165,206	150,021
Unrealized Losses	(20,221)	(3,346)
U.S. government agency securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	22,403	14,625
Less Than 12 Months Unrealized Losses	(1,388)	(131)
12 Months or Longer Fair Value	899
12 Months or Longer Unrealized Losses	(101)
Fair Value	23,302	14,625
Unrealized Losses	(1,489)	(131)
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	2,992	2,469
Less Than 12 Months Unrealized Losses	(147)	(40)
12 Months or Longer Fair Value	1,214
12 Months or Longer Unrealized Losses	(117)
Fair Value	4,206	2,469
Unrealized Losses	(264)	(40)
Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	10,731	5,885
Less Than 12 Months Unrealized Losses	(568)	(65)
12 Months or Longer Fair Value	391
12 Months or Longer Unrealized Losses	(9)
Fair Value	11,122	5,885
Unrealized Losses	$ (577)	$ (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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