Securities - Amortized Cost, Gross Unrealized Gains and Losses, and Fair Value of Securities (Details) - USD ($) $ in Thousands		Jun. 30, 2024		Dec. 31, 2023		Dec. 31, 2022
Available-for-Sale Securities:
Amortized Cost		$ 134,158		$ 139,781
Gross Unrealized Losses		(21,033)		(19,879)
Fair Value		113,125		119,902
Held-to-Maturity Securities:
Amortized Cost				461,748
Amortized Cost, after Allowance for Credit Loss		442,113		461,748
Gross Unrealized Gains		169		270
Gross Unrealized Losses		(16,855)		(12,374)
Fair Value		425,645		450,042
Allowance for Credit Losses		(218)		(398)		$ 0
U.S. Government Bonds
Available-for-Sale Securities:
Amortized Cost		2,992		2,990
Gross Unrealized Losses		(196)		(206)
Fair Value		2,796		2,784
US Agency Bonds
Held-to-Maturity Securities:
Amortized Cost		25,000		25,000
Gross Unrealized Losses		(253)		(181)
Fair Value		24,747		24,819
Corporate Bonds
Available-for-Sale Securities:
Amortized Cost		25,773		25,790
Gross Unrealized Losses		(1,859)		(2,122)
Fair Value		23,914		23,668
Held-to-Maturity Securities:
Amortized Cost		82,500		82,500
Gross Unrealized Losses		(2,230)		(2,691)
Fair Value		80,270		79,809
Collateralized Mortgage Obligations
Available-for-Sale Securities:
Amortized Cost		36,886	[1]	39,375	[2]
Gross Unrealized Losses		(6,280)	[1]	(6,227)	[2]
Fair Value		30,606	[1]	33,148	[2]
Held-to-Maturity Securities:
Amortized Cost		200,684	[1]	212,093	[2]
Gross Unrealized Gains	[2]			104
Gross Unrealized Losses		(8,533)	[1]	(5,170)	[2]
Fair Value		192,151	[1]	207,027	[2]
FHLMC Certificates
Available-for-Sale Securities:
Amortized Cost		9,611		10,163
Gross Unrealized Losses		(1,523)		(1,482)
Fair Value		8,088		8,681
Held-to-Maturity Securities:
Amortized Cost		3,664		3,897
Gross Unrealized Losses		(274)		(244)
Fair Value		3,390		3,653
FNMA Certificates
Available-for-Sale Securities:
Amortized Cost		58,797		61,359
Gross Unrealized Losses		(11,174)		(9,842)
Fair Value		47,623		51,517
Held-to-Maturity Securities:
Amortized Cost		112,925		118,944
Gross Unrealized Losses		(5,565)		(4,088)
Fair Value		107,360		114,856
GNMA Certificates
Available-for-Sale Securities:
Amortized Cost		99		104
Gross Unrealized Losses		(1)
Fair Value		98		104
SBA Certificates
Held-to-Maturity Securities:
Amortized Cost		17,558		19,712
Gross Unrealized Gains		169		166
Fair Value		$ 17,727		$ 19,878

[1] Comprised of Federal Home Loan Mortgage Corporation (“FHLMC”), Federal National Mortgage Association (“FNMA”) and Ginnie Mae (“GNMA”) issued securities.

[2] Comprised of FHLMC, FNMA and GNMA issued securities.