Fair Value (Details) - USD ($)	Sep. 30, 2024	Dec. 31, 2023
Mortgage-backed securities
Estimated Fair Value	$ 229,917,000	$ 234,902,000
Level 1 | Mortgage-backed securities
Estimated Fair Value	0	0
Level 3 | Mortgage-backed securities
Estimated Fair Value	0	0
Level 2 | Mortgage-backed securities
Estimated Fair Value	229,917,000	234,902,000
U.S. Government sponsored enterprises
Estimated Fair Value	9,107,000	10,515,000
U.S. Government sponsored enterprises | Level 1
Estimated Fair Value	0	0
U.S. Government sponsored enterprises | Level 3
Estimated Fair Value	0	0
U.S. Government sponsored enterprises | Level 2
Estimated Fair Value	9,107,000	10,515,000
State and political subdivisions
Estimated Fair Value	109,215,000	105,093,000
State and political subdivisions | Level 3
Estimated Fair Value	0	0
State and political subdivisions | Level 2
Estimated Fair Value	109,215,000	105,093,000
US Treasury [Member]
Estimated Fair Value	7,374,000	10,144,000
US Treasury [Member] | Level 1
Estimated Fair Value	0	0
US Treasury [Member] | Level 3
Estimated Fair Value	0	0
US Treasury [Member] | Level 2
Estimated Fair Value	7,374,000	10,144,000
Private label mortgage-backed securities
Estimated Fair Value	42,960,000	31,270,000
Private label mortgage-backed securities | Level 1
Estimated Fair Value	0	0
Private label mortgage-backed securities | Level 3
Estimated Fair Value	0	0
Private label mortgage-backed securities | Level 2
Estimated Fair Value	$ 42,960,000	$ 31,270,000