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Borrowings - Schedule of unamortized debt issuance cost (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total unamortized debt issuance costs	$ 2,546	$ 2,962
Subordinated notes issued in 2020 | Subordinated Debt
Debt Instrument [Line Items]
Total unamortized debt issuance costs	981	1,220
Subordinated notes issued in 2022 | Subordinated Debt
Debt Instrument [Line Items]
Total unamortized debt issuance costs	$ 1,565	$ 1,742

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