Derivatives - Schedule of Futures and Options (Details) $ in Thousands	Mar. 31, 2023 USD ($)
U.S. Treasury futures
Derivative [Line Items]
Margin Deposit Assets	$ 114,590
Variation Margin Payable, Derivative	17,337
Options on U.S. Treasury futures
Derivative [Line Items]
Derivative, Premium Paid	$ 4,034

The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_MarginDepositAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant