Investment Securities (Schedule of Fair Value and Unrealized Loss on Debt Security Investments in a Continuous Unrealized Loss Position) (Details) $ in Thousands	Mar. 31, 2020 USD ($) security	Dec. 31, 2019 USD ($) security
Schedule of Investments [Line Items]
Available-for-sale securities, Less than 12 Months: Number of Securities | security	4	5
Available-for-sale securities, Less than 12 Months: Fair Value	$ 9,428	$ 6,295
Available-for-sale securities, Less than 12 Months: Unrealized Losses	$ 20	$ 28
Available-for-sale securities, 12 Months or More: Number of Securities | security	1	21
Available-for-sale securities, 12 Months or More: Fair Value	$ 200	$ 22,585
Available-for-sale securities, 12 Months or More: Unrealized Losses	$ 2	$ 155
Available-for-sale securities, Total: Number of Securities | security	5	26
Available-for-sale securities, Total: Fair Value	$ 9,628	$ 28,880
Available-for-sale securities, Total: Unrealized Losses	$ 22	$ 183
Held-to-maturity securities, Less than 12 Months: Number of Securities | security	14	27
Held-to-maturity securities, Less than 12 Months: Fair Value	$ 12,799	$ 38,852
Held-to-maturity securities, Less than 12 Months: Unrealized Losses	$ 114	$ 267
Held-to-maturity securities, 12 Months or More: Number of Securities | security	2	14
Held-to-maturity securities, 12 Months or More: Fair Value	$ 1,358	$ 14,049
Held-to-maturity securities, 12 Months or More: Unrealized Losses	$ 6	$ 68
Held-to-maturity securities, Total: Number of Securities | security	16	41
Held-to-maturity securities, Total: Fair Value	$ 14,157	$ 52,901
Held-to-maturity securities, Total: Unrealized Losses	$ 120	$ 335
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Number of Securities | security	18	32
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Fair Value	$ 22,227	$ 45,147
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Unrealized Losses	$ 134	$ 295
Available-for-sale securities and Held-to-maturity securities,, 12 Months or More: Number of Securities | security	3	35
Available-for-sale securities and Held-to-maturity securities, 12 Months or More: Fair Value	$ 1,558	$ 36,634
Available-for-sale securities and Held-to-maturity securities, 12 Months or More: Unrealized Losses	$ 8	$ 223
Available-for-sale securities and Held-to-maturity securities, Total: Number of Securities | security	21	67
Available-for-sale securities and Held-to-maturity securities, Total: Fair Value	$ 23,785	$ 81,781
Available-for-sale securities and Held-to-maturity securities, Total: Unrealized Losses	$ 142	$ 518
U.S. Government Agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale securities, Less than 12 Months: Number of Securities | security		4
Available-for-sale securities, Less than 12 Months: Fair Value		$ 4,652
Available-for-sale securities, Less than 12 Months: Unrealized Losses		$ 24
Available-for-sale securities, 12 Months or More: Number of Securities | security		7
Available-for-sale securities, 12 Months or More: Fair Value		$ 11,982
Available-for-sale securities, 12 Months or More: Unrealized Losses		$ 46
Available-for-sale securities, Total: Number of Securities | security		11
Available-for-sale securities, Total: Fair Value		$ 16,634
Available-for-sale securities, Total: Unrealized Losses		$ 70
U.S. Treasury and U.S. government agencies [Member]
Schedule of Investments [Line Items]
Held-to-maturity securities, Less than 12 Months: Number of Securities | security	4	18
Held-to-maturity securities, Less than 12 Months: Fair Value	$ 5,507	$ 29,024
Held-to-maturity securities, Less than 12 Months: Unrealized Losses	$ 18	$ 219
Held-to-maturity securities, 12 Months or More: Number of Securities | security	0	1
Held-to-maturity securities, 12 Months or More: Fair Value		$ 2,999
Held-to-maturity securities, 12 Months or More: Unrealized Losses		$ 1
Held-to-maturity securities, Total: Number of Securities | security	4	19
Held-to-maturity securities, Total: Fair Value	$ 5,507	$ 32,023
Held-to-maturity securities, Total: Unrealized Losses	$ 18	$ 220
Mortgage-backed U.S. Government Agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale securities, Less than 12 Months: Number of Securities | security	1	1
Available-for-sale securities, Less than 12 Months: Fair Value	$ 2,573	$ 1,643
Available-for-sale securities, Less than 12 Months: Unrealized Losses	$ 13	$ 4
Available-for-sale securities, 12 Months or More: Number of Securities | security	1	14
Available-for-sale securities, 12 Months or More: Fair Value	$ 200	$ 10,603
Available-for-sale securities, 12 Months or More: Unrealized Losses	$ 2	$ 109
Available-for-sale securities, Total: Number of Securities | security	2	15
Available-for-sale securities, Total: Fair Value	$ 2,773	$ 12,246
Available-for-sale securities, Total: Unrealized Losses	$ 15	$ 113
Held-to-maturity securities, Less than 12 Months: Number of Securities | security	2	6
Held-to-maturity securities, Less than 12 Months: Fair Value	$ 1,960	$ 8,445
Held-to-maturity securities, Less than 12 Months: Unrealized Losses	$ 18	$ 35
Held-to-maturity securities, 12 Months or More: Number of Securities | security	2	13
Held-to-maturity securities, 12 Months or More: Fair Value	$ 1,358	$ 11,050
Held-to-maturity securities, 12 Months or More: Unrealized Losses	$ 6	$ 67
Held-to-maturity securities, Total: Number of Securities | security	4	19
Held-to-maturity securities, Total: Fair Value	$ 3,318	$ 19,495
Held-to-maturity securities, Total: Unrealized Losses	$ 24	$ 102
State and political subdivision obligations [Member]
Schedule of Investments [Line Items]
Available-for-sale securities, Less than 12 Months: Number of Securities | security	1
Available-for-sale securities, Less than 12 Months: Fair Value	$ 2,962
Available-for-sale securities, Less than 12 Months: Unrealized Losses	$ 1
Available-for-sale securities, 12 Months or More: Number of Securities | security	0
Available-for-sale securities, Total: Number of Securities | security	1
Available-for-sale securities, Total: Fair Value	$ 2,962
Available-for-sale securities, Total: Unrealized Losses	$ 1
Held-to-maturity securities, Less than 12 Months: Number of Securities | security	8	3
Held-to-maturity securities, Less than 12 Months: Fair Value	$ 5,332	$ 1,383
Held-to-maturity securities, Less than 12 Months: Unrealized Losses	$ 78	$ 13
Held-to-maturity securities, 12 Months or More: Number of Securities | security	0	0
Held-to-maturity securities, Total: Number of Securities | security	8	3
Held-to-maturity securities, Total: Fair Value	$ 5,332	$ 1,383
Held-to-maturity securities, Total: Unrealized Losses	$ 78	$ 13
Corporate debt securities [Member]
Schedule of Investments [Line Items]
Available-for-sale securities, Less than 12 Months: Number of Securities | security	2
Available-for-sale securities, Less than 12 Months: Fair Value	$ 3,893
Available-for-sale securities, Less than 12 Months: Unrealized Losses	$ 6
Available-for-sale securities, 12 Months or More: Number of Securities | security	0
Available-for-sale securities, Total: Number of Securities | security	2
Available-for-sale securities, Total: Fair Value	$ 3,893
Available-for-sale securities, Total: Unrealized Losses	$ 6