Nominal or face amount used to calculate payment on derivative.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

Name:	us-gaap_DerivativeNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

Derivative Instruments - Additional Information (Details) - USD ($)	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021
Derivative [Line Items]
Notional Amount	$ 155,000,000			$ 100,000,000
10-year U.S. Treasury Note Futures
Derivative [Line Items]
Notional Amount	0	$ 25,000,000	$ 45,000,000
Options on U.S. Treasury Note Futures
Derivative [Line Items]
Derivative outstanding options	$ 0