Variable interest entities ("VIEs") (Details) $ in Thousands	Dec. 20, 2022 shares	Oct. 26, 2021 USD ($)	Jun. 30, 2023 USD ($) company shares	Mar. 31, 2023 shares	Dec. 31, 2022 USD ($) shares	Dec. 13, 2022 shares	Jul. 29, 2022 shares	Jun. 30, 2022 USD ($) shares	May 24, 2022 shares	Mar. 31, 2022 shares	Feb. 28, 2022 shares	Dec. 31, 2021 shares	May 15, 2020 shares
Variable Interest Entity [Line Items]
Number of special purpose acquisition companies | company			2
Cash and cash equivalents			$ 29,145		$ 112,433			$ 36,606
Restricted Cash			25,803		25,534			$ 127,875
Other Assets			190,843		184,443
Total assets			3,092,375		2,714,392
Total liabilities			$ 2,278,005		$ 1,893,971
IPO
Variable Interest Entity [Line Items]
Proceeds from Company sponsored Initial Public Offering		$ 126,500
Shares exercised their redemption rights (in shares) | shares	10,170,490
Class A Stock
Variable Interest Entity [Line Items]
Common stock, outstanding (in shares) | shares			10,884,575	10,975,723	10,868,556	10,867,660	11,251,930	11,270,944	11,863,559	12,156,174	12,322,073	12,447,036	12,636,523
Class A Stock | IPO
Variable Interest Entity [Line Items]
Common stock, outstanding (in shares) | shares	12,650,000
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Proceeds from Company sponsored Initial Public Offering		$ 126,500
Cash and cash equivalents			$ 5,487					$ 1,458
Restricted Cash			25,803					127,875
Other Assets			2,297					568
Total assets			33,587					129,901
Other Liabilities			821					123
Total liabilities			$ 821					$ 123