Other Borrowings - Summary of Short-term Credit Lines Available for Use (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Federal Home Loan Bank Line
Debt Instrument [Line Items]
Short-term credit lines available for use	$ 2,599,365	$ 2,781,747
Federal Reserve Bank of Chicago Discount Window Line
Debt Instrument [Line Items]
Short-term credit lines available for use	764,587	866,490
Available Federal Funds Line
Debt Instrument [Line Items]
Short-term credit lines available for use	$ 127,500	$ 123,750