Investment Securities (Schedule of Fair Value and Unrealized Loss on Investments in a Continuous Unrealized Loss Position) (Details) $ in Thousands	Dec. 31, 2019 USD ($) security	Dec. 31, 2018 USD ($) security
Schedule of Investments [Line Items]
Available for sale securities, Less than 12 Months: Number of Securities \| security	5	16
Available for sale securities, Less than 12 Months: Fair Value	$ 6,295	$ 20,487
Available for sale securities, Less than 12 Months: Unrealized Losses	$ 28	$ 190
Available for sale securities, 12 Months or More: Number of Securities \| security	21	91
Available for sale securities, 12 Months or More: Fair Value	$ 22,585	$ 84,999
Available for sale securities, 12 Months or More: Unrealized Losses	$ 155	$ 3,935
Available for sale securities, Total: Number of Securities \| security	26	107
Available for sale securities, Total: Fair Value	$ 28,880	$ 105,486
Available for sale securities, Total: Unrealized Losses	$ 183	$ 4,125
Held to maturity securities, Less than 12 Months: Number of Securities \| security	27	38
Held to maturity securities, Less than 12 Months: Fair Value	$ 38,852	$ 31,000
Held to maturity securities, Less than 12 Months: Unrealized Losses	$ 267	$ 210
Held to maturity securities, 12 Months or More: Number of Securities \| security	14	115
Held to maturity securities, 12 Months or More: Fair Value	$ 14,049	$ 80,743
Held to maturity securities, 12 Months or More: Unrealized Losses	$ 68	$ 2,095
Held to maturity securities, Total: Number of Securities \| security	41	153
Held to maturity securities, Total: Fair Value	$ 52,901	$ 111,743
Held to maturity securities, Total: Unrealized Losses	$ 335	$ 2,305
Available for sale securities and Held to maturity securities, Less than 12 Months: Number of Securities \| security	32	54
Available for sale securities and Held to maturity securities, Less than 12 Months: Fair Value	$ 45,147	$ 51,487
Available for sale securities and Held to maturity securities, Less than 12 Months: Unrealized Losses	$ 295	$ 400
Available for sale securities and Held to maturity securities,, 12 Months or More: Number of Securities \| security	35	206
Available for sale securities and Held to maturity securities, 12 Months or More: Fair Value	$ 36,634	$ 165,742
Available for sale securities and Held to maturity securities, 12 Months or More: Unrealized Losses	$ 223	$ 6,030
Available for sale securities and Held to maturity securities, Total: Number of Securities \| security	67	260
Available for sale securities and Held to maturity securities, Total: Fair Value	$ 81,781	$ 217,229
Available for sale securities and Held to maturity securities, Total: Unrealized Losses	$ 518	$ 6,430
U.S. Government Agencies [Member]
Schedule of Investments [Line Items]
Available for sale securities, Less than 12 Months: Number of Securities \| security	4	0
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	21
Available for sale securities, 12 Months or More: Fair Value	$ 11,982	$ 38,386
Available for sale securities, 12 Months or More: Unrealized Losses	$ 46	$ 1,708
Available for sale securities, Total: Number of Securities \| security	11	21
Available for sale securities, Total: Fair Value	$ 16,634	$ 38,386
Available for sale securities, Total: Unrealized Losses	$ 70	$ 1,708
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	18	1
Held to maturity securities, Less than 12 Months: Fair Value	$ 29,024	$ 1,985
Held to maturity securities, Less than 12 Months: Unrealized Losses	$ 219	$ 10
Held to maturity securities, 12 Months or More: Number of Securities \| security	1	3
Held to maturity securities, 12 Months or More: Fair Value	$ 2,999	$ 8,852
Held to maturity securities, 12 Months or More: Unrealized Losses	$ 1	$ 133
Held to maturity securities, Total: Number of Securities \| security	19	4
Held to maturity securities, Total: Fair Value	$ 32,023	$ 10,837
Held to maturity securities, Total: Unrealized Losses	$ 220	$ 143
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	11
Available for sale securities, Less than 12 Months: Fair Value	$ 1,643	$ 16,740
Available for sale securities, Less than 12 Months: Unrealized Losses	$ 4	$ 163
Available for sale securities, 12 Months or More: Number of Securities \| security	14	19
Available for sale securities, 12 Months or More: Fair Value	$ 10,603	$ 22,093
Available for sale securities, 12 Months or More: Unrealized Losses	$ 109	$ 853
Available for sale securities, Total: Number of Securities \| security	15	30
Available for sale securities, Total: Fair Value	$ 12,246	$ 38,833
Available for sale securities, Total: Unrealized Losses	$ 113	$ 1,016
Held to maturity securities, Less than 12 Months: Number of Securities \| security	6	10
Held to maturity securities, Less than 12 Months: Fair Value	$ 8,445	$ 16,165
Held to maturity securities, Less than 12 Months: Unrealized Losses	$ 35	$ 79
Held to maturity securities, 12 Months or More: Number of Securities \| security	13	35
Held to maturity securities, 12 Months or More: Fair Value	$ 11,050	$ 42,431
Held to maturity securities, 12 Months or More: Unrealized Losses	$ 67	$ 1,231
Held to maturity securities, Total: Number of Securities \| security	19	45
Held to maturity securities, Total: Fair Value	$ 19,495	$ 58,596
Held to maturity securities, Total: Unrealized Losses	$ 102	$ 1,310
State and political subdivision obligations [Member]
Schedule of Investments [Line Items]
Available for sale securities, Less than 12 Months: Number of Securities \| security		3
Available for sale securities, Less than 12 Months: Fair Value		$ 1,751
Available for sale securities, Less than 12 Months: Unrealized Losses		$ 23
Available for sale securities, 12 Months or More: Number of Securities \| security		51
Available for sale securities, 12 Months or More: Fair Value		$ 24,520
Available for sale securities, 12 Months or More: Unrealized Losses		$ 1,374
Available for sale securities, Total: Number of Securities \| security		54
Available for sale securities, Total: Fair Value		$ 26,271
Available for sale securities, Total: Unrealized Losses		$ 1,397
Held to maturity securities, Less than 12 Months: Number of Securities \| security	3	26
Held to maturity securities, Less than 12 Months: Fair Value	$ 1,383	$ 11,321
Held to maturity securities, Less than 12 Months: Unrealized Losses	$ 13	$ 111
Held to maturity securities, 12 Months or More: Number of Securities \| security	0	77
Held to maturity securities, 12 Months or More: Fair Value		$ 29,460
Held to maturity securities, 12 Months or More: Unrealized Losses		$ 731
Held to maturity securities, Total: Number of Securities \| security	3	103
Held to maturity securities, Total: Fair Value	$ 1,383	$ 40,781
Held to maturity securities, Total: Unrealized Losses	$ 13	$ 842
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		$ 1,996
Available for sale securities, Less than 12 Months: Unrealized Losses		$ 4
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		$ 1,996
Available for sale securities, Total: Unrealized Losses		$ 4
Held to maturity securities, Less than 12 Months: Number of Securities \| security		1
Held to maturity securities, Less than 12 Months: Fair Value		$ 1,529
Held to maturity securities, Less than 12 Months: Unrealized Losses		$ 10
Held to maturity securities, 12 Months or More: Number of Securities \| security		0
Held to maturity securities, Total: Number of Securities \| security		1
Held to maturity securities, Total: Fair Value		$ 1,529
Held to maturity securities, Total: Unrealized Losses		$ 10

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