Investment Securities, Activity in Allowance for Credit Losses for Held-to-Maturity Debt Securities by Major Type (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
		Mar. 31, 2023		Dec. 31, 2022
Activity in allowance for credit losses for held-to-maturity debt securities by major type [Abstract]
Beginning Balance		$ 393		$ 393
Provision for credit losses		0		0
Ending Balance		393		393
Municipal Securities [Member]
Activity in allowance for credit losses for held-to-maturity debt securities by major type [Abstract]
Beginning Balance		393		393
Provision for credit losses		0		0
Ending Balance		393		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]	0
Provision for credit losses		0		0
Ending Balance	[1]	0		0
Collateralized Mortgage Obligations [Member]
Activity in allowance for credit losses for held-to-maturity debt securities by major type [Abstract]
Beginning Balance		0	[1]	0
Provision for credit losses		0		0
Ending Balance	[1]	$ 0		$ 0

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