Securities (Schedule of Unrealized Loss on Investments, AFS) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Marketable Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 60,841	$ 28,022
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	874	237
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	3,400	44,569
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	33	408
Debt securities, available-for-sale, unrealized loss position, Total	64,241	72,591
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss, Total	907	645
Asset-backed securities issued by GSEs and U.S. Agencies
Marketable Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	33,799	15,215
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	172	63
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	3,081	39,689
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	17	336
Debt securities, available-for-sale, unrealized loss position, Total	36,880	54,904
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss, Total	189	399
U.S. SBA Debentures
Marketable Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months		0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer		4,744
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		60
Debt securities, available-for-sale, unrealized loss position, Total		4,744
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss, Total		60
Asset-backed securities issued by Others
Marketable Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	17,338	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	682	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	319	136
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	16	12
Debt securities, available-for-sale, unrealized loss position, Total	17,657	136
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss, Total	698	12
Municipal bonds
Marketable Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	8,205	11,318
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	19	173
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Debt securities, available-for-sale, unrealized loss position, Total	8,205	11,318
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss, Total	19	173
U.S. government obligations
Marketable Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	1,499	1,489
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	1	1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Debt securities, available-for-sale, unrealized loss position, Total	1,499	1,489
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss, Total	$ 1	$ 1