Investment Securities Schedule of Held to Maturity Securities (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) security	Dec. 31, 2020 USD ($) security
Schedule of Held-to-maturity Securities [Line Items]
Held-To-Maturity Securities, at Amortized Cost	$ 196,566,000	$ 218,405,000
Gross Unrealized Gains	4,726,000	8,174,000
Gross Unrealized Losses	0	(3,000)
Held-To-Maturity Securities, at Fair Value	201,292,000	226,576,000
Held-To-Maturity Securities, Pledged as Collateral, at Fair Value	175,218,000	211,176,000
Maturities of Debt Securities, at Amortized Cost:
Within One Year	30,062,000
From 1 - 5 Years	154,119,000
From 5 - 10 Years	12,239,000
Over 10 Years	146,000
Maturities of Debt Securities, at Fair Value:
Within One Year	30,234,000
From 1 - 5 Years	158,203,000
From 5 - 10 Years	12,704,000
Over 10 Years	151,000
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	0	1,513,000
12 Months or Longer	0	0
Total	$ 0	$ 1,513,000
Number of Securities in a Continuous Loss Position | security	0	4
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 0	$ 3,000
12 Months or Longer	0	0
Total	0	3,000
Debt securities, available-for-sale, allowance for credit loss	0
Debt securities, available-for-sale, allowance for credit loss, not to sell before recovery, credit loss, previously recorded, expense (reversal)	0
Debt securities, held-to-maturity, allowance for credit loss	0
State and Municipal Obligations
Schedule of Held-to-maturity Securities [Line Items]
Held-To-Maturity Securities, at Amortized Cost	180,195,000	192,352,000
Gross Unrealized Gains	4,179,000	7,080,000
Gross Unrealized Losses	0	(3,000)
Held-To-Maturity Securities, at Fair Value	184,374,000	199,429,000
Maturities of Debt Securities, at Amortized Cost:
Within One Year	29,600,000
From 1 - 5 Years	138,210,000
From 5 - 10 Years	12,239,000
Over 10 Years	146,000
Maturities of Debt Securities, at Fair Value:
Within One Year	29,766,000
From 1 - 5 Years	141,753,000
From 5 - 10 Years	12,704,000
Over 10 Years	151,000
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	0	1,513,000
12 Months or Longer	0	0
Total	$ 0	$ 1,513,000
Number of Securities in a Continuous Loss Position | security	0	4
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 0	$ 3,000
12 Months or Longer	0	0
Total	0	3,000
Mortgage- Backed Securities
Schedule of Held-to-maturity Securities [Line Items]
Held-To-Maturity Securities, at Amortized Cost	16,371,000	26,053,000
Gross Unrealized Gains	547,000	1,094,000
Gross Unrealized Losses	0	0
Held-To-Maturity Securities, at Fair Value	16,918,000	27,147,000
Maturities of Debt Securities, at Amortized Cost:
Within One Year	462,000
From 1 - 5 Years	15,909,000
From 5 - 10 Years	0
Over 10 Years	0
Maturities of Debt Securities, at Fair Value:
Within One Year	468,000
From 1 - 5 Years	16,450,000
From 5 - 10 Years	0
Over 10 Years	0
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	0	0
12 Months or Longer	0	0
Total	$ 0	$ 0
Number of Securities in a Continuous Loss Position | security	0	0
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 0	$ 0
12 Months or Longer	0	0
Total	0	0
Agency Securities | Mortgage- Backed Securities
Schedule of Held-to-maturity Securities [Line Items]
Held-To-Maturity Securities, at Amortized Cost	5,518,000	9,440,000
Agency Securities | Mortgage- Backed Securities | Fair Value, Measurements, Recurring
Schedule of Held-to-maturity Securities [Line Items]
Held-To-Maturity Securities, at Fair Value	5,647,000	9,762,000
US Government-sponsored Enterprises Debt Securities | Mortgage- Backed Securities
Schedule of Held-to-maturity Securities [Line Items]
Held-To-Maturity Securities, at Amortized Cost	10,853,000	16,613,000
US Government-sponsored Enterprises Debt Securities | Mortgage- Backed Securities | Fair Value, Measurements, Recurring
Schedule of Held-to-maturity Securities [Line Items]
Held-To-Maturity Securities, at Fair Value	$ 11,271,000	$ 17,385,000