Investment Securities - Available-for-Sale (Details) $ in Thousands	Jun. 30, 2024 USD ($) security	Dec. 31, 2023 USD ($) security	Jun. 30, 2023 USD ($) security
Available-For-Sale Securities
Available-For-Sale Securities, at Amortized Cost	$ 494,267	$ 540,202	$ 606,275
Gross Unrealized Gains	17	300	3
Gross Unrealized Losses	(43,498)	(42,733)	(62,570)
Available-for-Sale at Fair Value	450,786	497,769	543,708
Maturities of Debt Securities, at Amortized Cost:
Within One Year	86,679
From 1 - 5 Years	304,557
From 5 - 10 Years	103,031
Over 10 Years	0
Maturities of Debt Securities, at Fair Value:
Within One Year	85,974
From 1 - 5 Years	278,846
From 5 - 10 Years	85,966
Over 10 Years	0
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	68,356	0	54,360
12 Months or Longer	380,727	407,960	488,953
Total	$ 449,083	$ 407,960	$ 543,313
Number of Securities in a Continuous Loss Position | security	122	117	180
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 131	$ 0	$ 1,041
12 Months or Longer	43,367	42,733	61,529
Total	43,498	42,733	62,570
Collateral Pledged
Available-For-Sale Securities
Available-For-Sale Securities, Pledged as Collateral, at Fair Value	299,368	242,938	362,707
U.S. Treasuries
Available-For-Sale Securities
Available-For-Sale Securities, at Amortized Cost	49,559	73,761	0
Gross Unrealized Gains	0	243	0
Gross Unrealized Losses	(103)	0	0
Available-for-Sale at Fair Value	49,456	74,004	0
Maturities of Debt Securities, at Amortized Cost:
Within One Year	24,621
From 1 - 5 Years	24,938
From 5 - 10 Years	0
Over 10 Years	0
Maturities of Debt Securities, at Fair Value:
Within One Year	24,608
From 1 - 5 Years	24,848
From 5 - 10 Years	0
Over 10 Years	0
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	49,456	0	0
12 Months or Longer	0	0	0
Total	$ 49,456	$ 0	$ 0
Number of Securities in a Continuous Loss Position | security	2	0	0
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 103	$ 0	$ 0
12 Months or Longer	0	0	0
Total	103	0	0
U.S. Government & Agency Obligations
Available-For-Sale Securities
Available-For-Sale Securities, at Amortized Cost	160,000	160,000	190,000
Gross Unrealized Gains	0	51	0
Gross Unrealized Losses	(6,647)	(7,126)	(13,984)
Available-for-Sale at Fair Value	153,353	152,925	176,016
Maturities of Debt Securities, at Amortized Cost:
Within One Year	60,000
From 1 - 5 Years	100,000
From 5 - 10 Years	0
Over 10 Years	0
Maturities of Debt Securities, at Fair Value:
Within One Year	59,355
From 1 - 5 Years	93,998
From 5 - 10 Years	0
Over 10 Years	0
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	14,978	0	29,509
12 Months or Longer	138,375	137,874	146,505
Total	$ 153,353	$ 137,874	$ 176,014
Number of Securities in a Continuous Loss Position | security	21	19	25
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 22	$ 0	$ 490
12 Months or Longer	6,625	7,126	13,494
Total	6,647	7,126	13,984
U.S. Government & Agency Obligations | Agency Securities
Available-For-Sale Securities
Available-For-Sale Securities, at Amortized Cost	160,000	160,000	190,000
Available-for-Sale at Fair Value	153,353	152,925	176,016
State and Municipal Obligations
Available-For-Sale Securities
Available-For-Sale Securities, at Amortized Cost	240	280	280
Gross Unrealized Gains	0	0	0
Gross Unrealized Losses	0	0	0
Available-for-Sale at Fair Value	240	280	280
Maturities of Debt Securities, at Amortized Cost:
Within One Year	0
From 1 - 5 Years	0
From 5 - 10 Years	240
Over 10 Years	0
Maturities of Debt Securities, at Fair Value:
Within One Year	0
From 1 - 5 Years	0
From 5 - 10 Years	240
Over 10 Years	0
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	0	0	0
12 Months or Longer	0	0	0
Total	$ 0	$ 0	$ 0
Number of Securities in a Continuous Loss Position | security	0	0	0
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 0	$ 0	$ 0
12 Months or Longer	0	0	0
Total	0	0	0
State and Municipal Obligations | Municipal Bonds
Available-For-Sale Securities
Available-For-Sale Securities, at Amortized Cost	240	280	280
Available-for-Sale at Fair Value	240	280	280
Mortgage- Backed Securities
Available-For-Sale Securities
Available-For-Sale Securities, at Amortized Cost	283,468	305,161	414,995
Gross Unrealized Gains	17	6	3
Gross Unrealized Losses	(36,695)	(35,407)	(48,386)
Available-for-Sale at Fair Value	246,790	269,760	366,612
Maturities of Debt Securities, at Amortized Cost:
Within One Year	2,058
From 1 - 5 Years	179,619
From 5 - 10 Years	101,791
Over 10 Years	0
Maturities of Debt Securities, at Fair Value:
Within One Year	2,011
From 1 - 5 Years	160,000
From 5 - 10 Years	84,779
Over 10 Years	0
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	3,922	0	24,851
12 Months or Longer	241,405	269,286	341,648
Total	$ 245,327	$ 269,286	$ 366,499
Number of Securities in a Continuous Loss Position | security	98	97	154
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 6	$ 0	$ 551
12 Months or Longer	36,689	35,407	47,835
Total	36,695	35,407	48,386
Mortgage- Backed Securities | US Government Agencies Debt Securities
Available-For-Sale Securities
Available-For-Sale Securities, at Amortized Cost	7,051	7,291	7,573
Available-for-Sale at Fair Value	6,714	6,864	7,048
Mortgage- Backed Securities | US Government-sponsored Enterprises Debt Securities
Available-For-Sale Securities
Available-For-Sale Securities, at Amortized Cost	276,417	297,870	407,422
Available-for-Sale at Fair Value	240,076	262,896	359,564
Corporate and Other Debt Securities
Available-For-Sale Securities
Available-For-Sale Securities, at Amortized Cost	1,000	1,000	1,000
Gross Unrealized Gains	0	0	0
Gross Unrealized Losses	(53)	(200)	(200)
Available-for-Sale at Fair Value	947	800	800
Maturities of Debt Securities, at Amortized Cost:
Within One Year	0
From 1 - 5 Years	0
From 5 - 10 Years	1,000
Over 10 Years	0
Maturities of Debt Securities, at Fair Value:
Within One Year	0
From 1 - 5 Years	0
From 5 - 10 Years	947
Over 10 Years	0
Securities in a Continuous Loss Position, at Fair Value:
Less than 12 Months	0	0	0
12 Months or Longer	947	800	800
Total	$ 947	$ 800	$ 800
Number of Securities in a Continuous Loss Position | security	1	1	1
Unrealized Losses on Securities in a Continuous Loss Position:
Less than 12 Months	$ 0	$ 0	$ 0
12 Months or Longer	53	200	200
Total	53	200	200
Corporate and Other Debt Securities | Corporate Trust Preferred Securities
Available-For-Sale Securities
Available-For-Sale Securities, at Amortized Cost	1,000	1,000	1,000
Available-for-Sale at Fair Value	$ 947	$ 800	$ 800