Investment Securities (Schedule of gross unrealized losses and fair value, securities in continuous unrealized loss position) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	$ 1,456	$ 36,851
Less Than 12 Months Unrealized Losses	(40)	(309)
12 Months or Longer Fair Value	1,009	34,253
12 Months or Longer Unrealized Losses	(7)	(552)
Fair Value	2,465	71,104
Unrealized Losses	(47)	(861)
U.S. government agency mortgage-backed securities-residential
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value		35,612
Less Than 12 Months Unrealized Losses		(302)
12 Months or Longer Fair Value	1,009	27,252
12 Months or Longer Unrealized Losses	(7)	(526)
Fair Value	1,009	62,864
Unrealized Losses	(7)	(828)
U.S. government agency securities
Debt Securities, Available-for-sale [Line Items]
12 Months or Longer Fair Value		7,001
12 Months or Longer Unrealized Losses		(26)
Fair Value		7,001
Unrealized Losses		(26)
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	471	490
Less Than 12 Months Unrealized Losses	(25)	(5)
Fair Value	471	490
Unrealized Losses	(25)	(5)
Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	985	749
Less Than 12 Months Unrealized Losses	(15)	(2)
Fair Value	985	749
Unrealized Losses	$ (15)	$ (2)

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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