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Borrowed Funds - Senior term loan (Details) - USD ($) $ in Thousands		12 Months Ended
	Oct. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Secured Borrowings
Senior term loan		$ 9,765	$ 0
Interest on senior term loan		163	0	$ 0
Senior Loans
Secured Borrowings
Senior term loan		9,765	0
Average balance during the year		2,328	0
Maximum month-end balance		$ 9,886	$ 0
Weighted-average rate during the year		7.00%	0.00%
Weighted-average rate at December 31		7.44%	0.00%
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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