Investment Securities - Held to Maturity (Details)	6 Months Ended
	Jun. 30, 2022 USD ($) security	Dec. 31, 2021 USD ($) security	Jun. 30, 2021 USD ($) security
Schedule of Held-to-maturity Securities [Line Items]
Debt securities, available-for-sale, allowance for credit loss, excluding accrued interest	$ 0
Held-To-Maturity Securities, at Amortized Cost	182,096,000	$ 196,566,000	$ 204,490,000
Gross Unrealized Gains	56,000	4,726,000	6,426,000
Gross Unrealized Losses	(1,641,000)	0	0
Held-To-Maturity Securities, at Fair Value	180,511,000	201,292,000	210,916,000
Maturities of Debt Securities, at Amortized Cost:
Within One Year	46,597,000
From 1 - 5 Years	130,135,000
From 5 - 10 Years	5,320,000
Over 10 Years	44,000
Maturities of Debt Securities, at Fair Value:
Within One Year	46,563,000
From 1 - 5 Years	128,661,000
From 5 - 10 Years	5,243,000
Over 10 Years	44,000
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	129,380,000	0	0
12 Months or Longer	0	0	0
Total	$ 129,380,000	$ 0	$ 0
Number of Securities in a Continuous Loss Position | security	344	0	0
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 1,641,000	$ 0	$ 0
12 Months or Longer	0	0	0
Total	1,641,000	0	0
Debt securities, available-for-sale, excluding accrued interest, 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
Equity Securities	2,031,000	1,747,000	1,992,000
State and Municipal Obligations
Schedule of Held-to-maturity Securities [Line Items]
Held-To-Maturity Securities, at Amortized Cost	168,599,000	180,195,000	183,842,000
Gross Unrealized Gains	56,000	4,179,000	5,544,000
Gross Unrealized Losses	(1,449,000)	0	0
Held-To-Maturity Securities, at Fair Value	167,206,000	184,374,000	189,386,000
Maturities of Debt Securities, at Amortized Cost:
Within One Year	46,554,000
From 1 - 5 Years	116,681,000
From 5 - 10 Years	5,320,000
Over 10 Years	44,000
Maturities of Debt Securities, at Fair Value:
Within One Year	46,520,000
From 1 - 5 Years	115,399,000
From 5 - 10 Years	5,243,000
Over 10 Years	44,000
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	116,075,000	0	0
12 Months or Longer	0	0	0
Total	$ 116,075,000	$ 0	$ 0
Number of Securities in a Continuous Loss Position | security	327	0	0
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 1,449,000	$ 0	$ 0
12 Months or Longer	0	0	0
Total	1,449,000	0	0
Mortgage-Backed Securities - Residential
Schedule of Held-to-maturity Securities [Line Items]
Held-To-Maturity Securities, at Amortized Cost	13,497,000	16,371,000	20,648,000
Gross Unrealized Gains	0	547,000	882,000
Gross Unrealized Losses	(192,000)	0	0
Held-To-Maturity Securities, at Fair Value	13,305,000	16,918,000	21,530,000
Maturities of Debt Securities, at Amortized Cost:
Within One Year	43,000
From 1 - 5 Years	13,454,000
From 5 - 10 Years	0
Over 10 Years	0
Maturities of Debt Securities, at Fair Value:
Within One Year	43,000
From 1 - 5 Years	13,262,000
From 5 - 10 Years	0
Over 10 Years	0
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	13,305,000	0	0
12 Months or Longer	0	0	0
Total	$ 13,305,000	$ 0	$ 0
Number of Securities in a Continuous Loss Position | security	17	0	0
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 192,000	$ 0	$ 0
12 Months or Longer	0	0	0
Total	192,000	0	0
Fair Value, Measurements, Recurring
Unrealized Losses on Securities in a Continuous Loss Position:
Equity Securities	2,031,000	1,747,000	1,992,000
Collateral Pledged
Schedule of Held-to-maturity Securities [Line Items]
Held-To-Maturity Securities, Pledged as Collateral, at Fair Value	153,020,000	175,218,000	184,213,000
US Government Agencies Debt Securities | Mortgage-Backed Securities - Residential
Schedule of Held-to-maturity Securities [Line Items]
Held-To-Maturity Securities, at Amortized Cost	4,401,000	5,518,000	7,152,000
US Government Agencies Debt Securities | Fair Value, Measurements, Recurring | Mortgage-Backed Securities - Residential
Schedule of Held-to-maturity Securities [Line Items]
Held-To-Maturity Securities, at Fair Value	4,328,000	5,647,000	7,394,000
US Government-sponsored Enterprises Debt Securities | Mortgage-Backed Securities - Residential
Schedule of Held-to-maturity Securities [Line Items]
Held-To-Maturity Securities, at Amortized Cost	9,096,000	10,853,000	13,496,000
US Government-sponsored Enterprises Debt Securities | Fair Value, Measurements, Recurring | Mortgage-Backed Securities - Residential
Schedule of Held-to-maturity Securities [Line Items]
Held-To-Maturity Securities, at Fair Value	$ 8,977,000	$ 11,271,000	$ 14,136,000