Borrowing Arrangements - Schedule of Borrowings Available to the Company from Institutions (Details) $ in Thousands	Dec. 31, 2023 USD ($)
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Amount of borrowings	$ 646,604
Federal Reserve Bank
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Amount of borrowings	182,989
Pacific Coast Bankers Bank
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Amount of borrowings	50,000
Zions Bank
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Amount of borrowings	25,000
First Horizon Bank
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Amount of borrowings	25,000
FHLB
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Amount of borrowings	$ 363,615