Debt - Outstanding Senior Debt (Q1) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Debt	$ 33,954	$ 33,876	$ 33,564
Senior Unsecured Notes
Debt Instrument [Line Items]
Debt	24,251	24,186	23,926
Subordinated notes
Debt Instrument [Line Items]
Debt	$ 9,703	$ 9,690	$ 9,638

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant