Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities, Summary of Lending Related and Other Commitments (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of lending-related and other commitments [Line Items]
LendingRelatedCommitments, FairValue	$ 0	$ 0
Investment Program, Proportional Amortization Method, Elected, Impairment Loss	0	0	$ 0
Commitments to Extend Credit [Member]
Schedule of lending-related and other commitments [Line Items]
Other Commitment	11,872,816,000	11,173,438,000
Letter of Credit [Member]
Schedule of lending-related and other commitments [Line Items]
Other Commitment	425,000	875,000
Standby Letters of Credit [Member]
Schedule of lending-related and other commitments [Line Items]
Other Commitment	222,047,000	253,709,000
Standby letters of credit, fair value	$ 2,200,000	$ 2,500,000