Fair Value Measurements - Narrative (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Assets measured at fair value	$ 143,721,000	$ 182,727,000
Liabilities measured at fair value	48,799,000	35,822,000
Fair Value, Nonrecurring
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Assets measured at fair value	0	0
Liabilities measured at fair value	$ 0	$ 0
Level 1
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Investment portfolio percentage	21.40%	17.60%
Liabilities measured at fair value	$ 0	$ 0
Level 2
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Investment portfolio percentage	78.40%	82.10%
Liabilities measured at fair value	$ 37,613,000	$ 24,118,000