Investment Securities - Schedule of Available for Sale Securities (Details)	Dec. 31, 2023 USD ($) security	Dec. 31, 2022 USD ($) security
Available-for-Sale Securities
Available-For-Sale Securities, at Amortized Cost	$ 540,202,000	$ 639,095,000
Gross Unrealized Gains	300,000	80,000
Gross Unrealized Losses	(42,733,000)	(65,680,000)
Available-For-Sale Securities, at Fair Value	497,769,000	573,495,000
Maturities of Debt Securities, at Amortized Cost:
Within One Year	66,390,000
From 1 - 5 Years	318,081,000
From 5 - 10 Years	155,731,000
Over 10 Years	0
Maturities of Debt Securities, at Fair Value:
Within One Year	66,254,000
From 1 - 5 Years	298,726,000
From 5 - 10 Years	132,789,000
Over 10 Years	0
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	0	250,558,000
12 Months or Longer	407,960,000	293,555,000
Total	$ 407,960,000	$ 544,113,000
Number of Securities in a Continuous Loss Position | security	117	174
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 0	$ 22,066,000
12 Months or Longer	42,733,000	43,614,000
Total	42,733,000	65,680,000
Debt securities, available-for-sale, allowance for credit loss	0
U.S. Treasuries
Available-for-Sale Securities
Available-For-Sale Securities, at Amortized Cost	73,761,000
Gross Unrealized Gains	243,000
Gross Unrealized Losses	0
Available-For-Sale Securities, at Fair Value	74,004,000
Maturities of Debt Securities, at Amortized Cost:
Within One Year	48,844,000
From 1 - 5 Years	24,917,000
From 5 - 10 Years	0
Over 10 Years	0
Maturities of Debt Securities, at Fair Value:
Within One Year	48,915,000
From 1 - 5 Years	25,089,000
From 5 - 10 Years	0
Over 10 Years	0
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	0
12 Months or Longer	0
Total	$ 0
Number of Securities in a Continuous Loss Position | security	0
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 0
12 Months or Longer	0
Total	0
U.S. Government & Agency Obligations
Available-for-Sale Securities
Available-For-Sale Securities, at Amortized Cost	160,000,000	190,000,000
Gross Unrealized Gains	51,000	15,000
Gross Unrealized Losses	(7,126,000)	(14,816,000)
Available-For-Sale Securities, at Fair Value	152,925,000	175,199,000
Maturities of Debt Securities, at Amortized Cost:
Within One Year	15,000,000
From 1 - 5 Years	145,000,000
From 5 - 10 Years	0
Over 10 Years	0
Maturities of Debt Securities, at Fair Value:
Within One Year	14,858,000
From 1 - 5 Years	138,067,000
From 5 - 10 Years	0
Over 10 Years	0
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	0	66,690,000
12 Months or Longer	137,874,000	93,493,000
Total	$ 137,874,000	$ 160,183,000
Number of Securities in a Continuous Loss Position | security	19	23
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 0	$ 3,310,000
12 Months or Longer	7,126,000	11,506,000
Total	7,126,000	14,816,000
U.S. Government & Agency Obligations | Agency Securities
Available-for-Sale Securities
Available-For-Sale Securities, at Amortized Cost	160,000,000	190,000,000
Available-For-Sale Securities, at Fair Value	152,925,000	175,199,000
State and Municipal Obligations
Available-for-Sale Securities
Available-For-Sale Securities, at Amortized Cost	280,000	340,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Available-For-Sale Securities, at Fair Value	280,000	340,000
Maturities of Debt Securities, at Amortized Cost:
Within One Year	0
From 1 - 5 Years	0
From 5 - 10 Years	280,000
Over 10 Years	0
Maturities of Debt Securities, at Fair Value:
Within One Year	0
From 1 - 5 Years	0
From 5 - 10 Years	280,000
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
Mortgage- Backed Securities
Available-for-Sale Securities
Available-For-Sale Securities, at Amortized Cost	305,161,000	447,755,000
Gross Unrealized Gains	6,000	65,000
Gross Unrealized Losses	(35,407,000)	(50,664,000)
Available-For-Sale Securities, at Fair Value	269,760,000	397,156,000
Maturities of Debt Securities, at Amortized Cost:
Within One Year	2,546,000
From 1 - 5 Years	148,164,000
From 5 - 10 Years	154,451,000
Over 10 Years	0
Maturities of Debt Securities, at Fair Value:
Within One Year	2,481,000
From 1 - 5 Years	135,570,000
From 5 - 10 Years	131,709,000
Over 10 Years	0
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	0	183,868,000
12 Months or Longer	269,286,000	199,262,000
Total	$ 269,286,000	$ 383,130,000
Number of Securities in a Continuous Loss Position | security	97	150
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 0	$ 18,756,000
12 Months or Longer	35,407,000	31,908,000
Total	35,407,000	50,664,000
Mortgage- Backed Securities | US Government Agencies Debt Securities
Available-for-Sale Securities
Available-For-Sale Securities, at Amortized Cost	7,291,000	7,934,000
Available-For-Sale Securities, at Fair Value	6,864,000	7,433,000
Mortgage- Backed Securities | US Government-sponsored Enterprises Debt Securities
Available-for-Sale Securities
Available-For-Sale Securities, at Amortized Cost	297,870,000	439,821,000
Available-For-Sale Securities, at Fair Value	262,896,000	389,723,000
Corporate and Other Debt Securities
Available-for-Sale Securities
Available-For-Sale Securities, at Amortized Cost	1,000,000	1,000,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(200,000)	(200,000)
Available-For-Sale Securities, at Fair Value	800,000	800,000
Maturities of Debt Securities, at Amortized Cost:
Within One Year	0
From 1 - 5 Years	0
From 5 - 10 Years	1,000,000
Over 10 Years	0
Maturities of Debt Securities, at Fair Value:
Within One Year	0
From 1 - 5 Years	0
From 5 - 10 Years	800,000
Over 10 Years	0
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	0	0
12 Months or Longer	800,000	800,000
Total	$ 800,000	$ 800,000
Number of Securities in a Continuous Loss Position | security	1	1
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 0	$ 0
12 Months or Longer	200,000	200,000
Total	200,000	200,000
Collateral Pledged
Available-for-Sale Securities
Available-For-Sale Securities, Pledged as Collateral, at Fair Value	$ 242,938,000	$ 308,266,000