Investment Securities, Municipal Securities by Credit Rating (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Held-to-Maturity [Abstract]
Amortized cost	$ 76,584
AAA/AA/A Rating [Member]
Held-to-Maturity [Abstract]
Amortized cost	19,381
BBB/BB/B Rating [Member]
Held-to-Maturity [Abstract]
Amortized cost	393
Not Rated [Member]
Held-to-Maturity [Abstract]
Amortized cost	56,810
Municipal Securities [Member]
Held-to-Maturity [Abstract]
Amortized cost	76,584
Past due principal or interest payments of securities	0
Municipal Securities [Member] | AAA/AA/A Rating [Member]
Held-to-Maturity [Abstract]
Amortized cost	19,381
Municipal Securities [Member] | BBB/BB/B Rating [Member]
Held-to-Maturity [Abstract]
Amortized cost	393
Municipal Securities [Member] | Not Rated [Member]
Held-to-Maturity [Abstract]
Amortized cost	$ 56,810