Borrowing Arrangements - Schedule of Borrowings Available to the Company from Institutions (Details) $ in Thousands	Mar. 31, 2024 USD ($)
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Amount of borrowings	$ 617,830
Federal Reserve Bank
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Amount of borrowings	185,913
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	$ 331,917