Subordinated Debt - Schedule of Subordinated Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Principal	$ 589,926	$ 514,922
Unamortized Debt Issuance Costs	(2,619)	(2,769)
Subordinated Debt
Debt Instrument [Line Items]
Principal	107,000	107,000
Unamortized Debt Issuance Costs	(2,544)	(2,769)
Subordinated Debt | 2029 Notes
Debt Instrument [Line Items]
Principal	37,000	37,000
Unamortized Debt Issuance Costs	(1,060)	(1,178)
Subordinated Debt | 2030 Notes
Debt Instrument [Line Items]
Principal	10,000	10,000
Unamortized Debt Issuance Costs	(190)	(208)
Subordinated Debt | 2031 Notes
Debt Instrument [Line Items]
Principal	60,000	60,000
Unamortized Debt Issuance Costs	$ (1,294)	$ (1,383)