Investment Securities, Activity in Allowance for Credit Losses for Held-to-Maturity Debt Securities by Major Type (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($)
Activity in allowance for credit losses for held-to-maturity debt securities by major type [Abstract]
Beginning Balance	$ 0
Provision for credit losses	393
Ending Balance	393
Municipal Securities [Member]
Activity in allowance for credit losses for held-to-maturity debt securities by major type [Abstract]
Beginning Balance	0
Provision for credit losses	393
Ending Balance	393
Mortgage-backed Securities [Member]
Activity in allowance for credit losses for held-to-maturity debt securities by major type [Abstract]
Beginning Balance	0	[1]
Provision for credit losses	0
Ending Balance	0	[1]
Collateralized Mortgage Obligations [Member]
Activity in allowance for credit losses for held-to-maturity debt securities by major type [Abstract]
Beginning Balance	0	[1]
Provision for credit losses	0
Ending Balance	$ 0	[1]

[1] All mortgage-backed securities and collateralized mortgage obligations were issued by an agency or government sponsored entity of the U.S. Government.