Quarterly report pursuant to Section 13 or 15(d)

Borrowings - Short-Term Borrowings (Details)

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Borrowings - Short-Term Borrowings (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Securities Sold under Agreements to Repurchase    
Debt Instrument [Line Items]    
Carrying value of pledged investments $ 461,600  
Short Term Financing Transactions | Securities Sold under Agreements to Repurchase    
Debt Instrument [Line Items]    
Short-term debt $ 373,745 $ 379,081