Investment Securities - Investment Securities' Gross Unrealized Losses and Fair Value by Investment Category and Length of Time that Individual Securities Have Continuous Unrealized Loss Position (Details)	Dec. 31, 2021 USD ($) Security	Dec. 31, 2020 USD ($) Security
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, twelve months or more | Security	5
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Twelve months or more Unrealized Losses	$ (324,000)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, less than twelve months | Security	22	16
Number of securities in unrealized loss positions, twelve months or more | Security	8	4
Number of securities in unrealized loss positions | Security	30	20
Less than twelve months Fair Value	$ 27,634,000	$ 22,985,000
Twelve months or more Fair Value	10,527,000	5,463,000
Total Fair Value	38,161,000	28,448,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than twelve months Unrealized Losses	(441,000)	(217,000)
Twelve months or more Unrealized Losses	(278,000)	(146,000)
Total Unrealized Losses	$ (719,000)	$ (363,000)
US Treasury, Agencies and GSEs [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, less than twelve months | Security	3	0
Number of securities in unrealized loss positions, twelve months or more | Security	0	1
Number of securities in unrealized loss positions | Security	3	1
Less than twelve months Fair Value	$ 31,195,000	$ 0
Twelve months or more Fair Value	0	4,954,000
Total Fair Value	31,195,000	4,954,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than twelve months Unrealized Losses	(413,000)	0
Twelve months or more Unrealized Losses	0	(24,000)
Total Unrealized Losses	$ (413,000)	$ (24,000)
State and Political Subdivisions [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, less than twelve months | Security	3	1
Number of securities in unrealized loss positions, twelve months or more | Security	0	0
Number of securities in unrealized loss positions | Security	3	1
Less than twelve months Fair Value	$ 4,847,000	$ 2,521,000
Twelve months or more Fair Value	0	0
Total Fair Value	4,847,000	2,521,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than twelve months Unrealized Losses	(44,000)	(20,000)
Twelve months or more Unrealized Losses	0	0
Total Unrealized Losses	$ (44,000)	$ (20,000)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, less than twelve months | Security	4	3
Number of securities in unrealized loss positions, twelve months or more | Security	2	0
Number of securities in unrealized loss positions | Security	6	3
Less than twelve months Fair Value	$ 2,013,000	$ 7,063,000
Twelve months or more Fair Value	3,988,000	0
Total Fair Value	6,001,000	7,063,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than twelve months Unrealized Losses	(28,000)	(58,000)
Twelve months or more Unrealized Losses	(112,000)	0
Total Unrealized Losses	$ (140,000)	$ (58,000)
Corporate [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, less than twelve months | Security	2	0
Number of securities in unrealized loss positions, twelve months or more | Security	1	0
Number of securities in unrealized loss positions | Security	3	0
Less than twelve months Fair Value	$ 1,162,000	$ 0
Twelve months or more Fair Value	722,000	0
Total Fair Value	1,884,000	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than twelve months Unrealized Losses	(5,000)	0
Twelve months or more Unrealized Losses	(33,000)	0
Total Unrealized Losses	$ (38,000)	$ 0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, less than twelve months | Security	9	4
Number of securities in unrealized loss positions, twelve months or more | Security	0	0
Number of securities in unrealized loss positions | Security	9	4
Less than twelve months Fair Value	$ 7,636,000	$ 3,775,000
Twelve months or more Fair Value	0	0
Total Fair Value	7,636,000	3,775,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than twelve months Unrealized Losses	(102,000)	(7,000)
Twelve months or more Unrealized Losses	0	0
Total Unrealized Losses	$ (102,000)	$ (7,000)
Asset Backed Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, less than twelve months | Security	5	2
Number of securities in unrealized loss positions, twelve months or more | Security	0	1
Number of securities in unrealized loss positions | Security	5	3
Less than twelve months Fair Value	$ 11,206,000	$ 2,487,000
Twelve months or more Fair Value	0	80,000
Total Fair Value	11,206,000	2,567,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than twelve months Unrealized Losses	(89,000)	(2,000)
Twelve months or more Unrealized Losses	0	(2,000)
Total Unrealized Losses	$ (89,000)	$ (4,000)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, less than twelve months | Security	2	4
Number of securities in unrealized loss positions, twelve months or more | Security	2	3
Number of securities in unrealized loss positions | Security	4	7
Less than twelve months Fair Value	$ 2,974,000	$ 4,209,000
Twelve months or more Fair Value	1,610,000	4,683,000
Total Fair Value	4,584,000	8,892,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than twelve months Unrealized Losses	(130,000)	(36,000)
Twelve months or more Unrealized Losses	(58,000)	(140,000)
Total Unrealized Losses	$ (188,000)	$ (176,000)
Residential Mortgage-Backed - US Agency [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, less than twelve months | Security	3	0
Number of securities in unrealized loss positions, twelve months or more | Security	0	0
Number of securities in unrealized loss positions | Security	3	0
Less than twelve months Fair Value	$ 13,090,000	$ 0
Twelve months or more Fair Value	0	0
Total Fair Value	13,090,000	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than twelve months Unrealized Losses	(466,000)	0
Twelve months or more Unrealized Losses	0	0
Total Unrealized Losses	$ (466,000)	$ 0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, less than twelve months | Security	1	0
Number of securities in unrealized loss positions, twelve months or more | Security	0	0
Number of securities in unrealized loss positions | Security	1	0
Less than twelve months Fair Value	$ 1,941,000	$ 0
Twelve months or more Fair Value	0	0
Total Fair Value	1,941,000	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than twelve months Unrealized Losses	(18,000)	0
Twelve months or more Unrealized Losses	0	0
Total Unrealized Losses	$ (18,000)	$ 0
Collateralized Mortgage Obligations - US Agency [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, less than twelve months | Security	3	2
Number of securities in unrealized loss positions, twelve months or more | Security	2	2
Number of securities in unrealized loss positions | Security	5	4
Less than twelve months Fair Value	$ 6,504,000	$ 6,974,000
Twelve months or more Fair Value	2,204,000	5,683,000
Total Fair Value	8,708,000	12,657,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than twelve months Unrealized Losses	(126,000)	(45,000)
Twelve months or more Unrealized Losses	(277,000)	(416,000)
Total Unrealized Losses	$ (403,000)	$ (461,000)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, less than twelve months | Security	0	1
Number of securities in unrealized loss positions, twelve months or more | Security	1	0
Number of securities in unrealized loss positions | Security	1	1
Less than twelve months Fair Value	$ 0	$ 1,496,000
Twelve months or more Fair Value	1,109,000	0
Total Fair Value	1,109,000	1,496,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than twelve months Unrealized Losses	0	(1,000)
Twelve months or more Unrealized Losses	(9,000)	0
Total Unrealized Losses	$ (9,000)	$ (1,000)
Collateralized Mortgage Obligations - Private Label [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, less than twelve months | Security	18	3
Number of securities in unrealized loss positions, twelve months or more | Security	2	4
Number of securities in unrealized loss positions | Security	20	7
Less than twelve months Fair Value	$ 38,816,000	$ 8,071,000
Twelve months or more Fair Value	1,539,000	2,574,000
Total Fair Value	40,355,000	10,645,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than twelve months Unrealized Losses	(388,000)	(78,000)
Twelve months or more Unrealized Losses	(14,000)	(32,000)
Total Unrealized Losses	$ (402,000)	$ (110,000)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, less than twelve months | Security	6	4
Number of securities in unrealized loss positions, twelve months or more | Security	3	1
Number of securities in unrealized loss positions | Security	9	5
Less than twelve months Fair Value	$ 13,070,000	$ 6,442,000
Twelve months or more Fair Value	3,820,000	780,000
Total Fair Value	16,890,000	7,222,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than twelve months Unrealized Losses	(163,000)	(115,000)
Twelve months or more Unrealized Losses	(99,000)	(6,000)
Total Unrealized Losses	$ (262,000)	$ (121,000)
Debt Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Number of securities in unrealized loss positions, less than twelve months | Security	37	8
Number of securities in unrealized loss positions, twelve months or more | Security	5	8
Number of securities in unrealized loss positions | Security	42	16
Less than twelve months Fair Value	$ 106,820,000	$ 20,053,000
Twelve months or more Fair Value	4,465,000	13,291,000
Total Fair Value	111,285,000	33,344,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than twelve months Unrealized Losses	(1,531,000)	(145,000)
Twelve months or more Unrealized Losses	(324,000)	(474,000)
Total Unrealized Losses	$ (1,855,000)	$ (619,000)