Short-term Borrowings (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Short-term Debt [Line Items]
Short-term borrowings	$ 241,532,000	$ 102,647,000
Real estate secured loans	3,000,000,000
Current borrowing available	1,600,000,000
Maximum borrowing capacity	2,000,000,000
Other Correspondent Banks
Short-term Debt [Line Items]
Short-term borrowings	241,500,000	102,600,000
Outstanding drawings	0	$ 0
Line of credit facility, remaining borrowing capacity	$ 35,000,000