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Borrowed Funds - Senior term loan (Details) - USD ($) $ in Thousands		12 Months Ended
	Oct. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Secured Borrowings
Senior term loan		$ 6,786	$ 9,765
Interest on senior term loan		766	163	$ 0
Senior Loans
Secured Borrowings
Senior term loan		6,786	9,765
Average balance during the year		9,007	2,328
Maximum month-end balance		$ 9,768	$ 9,886
Weighted-average rate during the year		8.50%	7.00%
Weighted-average rate at December 31		8.76%	7.44%
Senior Loans | Raymond James Senior Term Loan
Secured Borrowings
Face amount of debt issued	$ 10,000
Upfront fee, as a percent	1.00%
Senior Loans | Raymond James Senior Term Loan | Debt Instrument, Redemption, Period One
Secured Borrowings
Periodic principal payment	$ 125
Senior Loans | Raymond James Senior Term Loan | Debt Instrument, Redemption, Period Two
Secured Borrowings
Periodic principal payment	$ 250
Senior Loans | Raymond James Senior Term Loan | SOFR
Secured Borrowings
Base rate	2.75%

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