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Debt - Narrative (Q1) (Details) - USD ($)
3 Months Ended 12 Months Ended
Apr. 24, 2020
Sep. 24, 2018
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Paycheck Protection Program          
Debt Instrument [Line Items]          
Debt $ 2,700,000        
Debt instrument, description The Company received notice from the SBA that the loan was 100% forgiven, including accrued interest, on July 8, 2021. This resulted in a $2.8 million gain that is included in Other Gains on the Consolidated Statement of Operations in 2021        
Loan forgiven date Jul. 08, 2021        
Paycheck Protection Program | Other Gains          
Debt Instrument [Line Items]          
Gain on forgiven loan $ 2,800,000        
Senior Unsecured Notes | Senior Unsecured Notes          
Debt Instrument [Line Items]          
Face amount of debt   $ 25,300,000 $ 24,300,000   $ 24,400,000
Maturity date   Sep. 30, 2023      
Interest rate   6.75%      
Number of units repurchased     0 0 0
Debt issuance costs     $ 130,000   $ 195,000
Subordinated notes | Subordinated notes          
Debt Instrument [Line Items]          
Face amount of debt   $ 10,500,000 $ 10,500,000   $ 10,500,000
Maturity date   Sep. 30, 2038      
Interest rate, payment terms     Interest is payable quarterly at the end of March, June, September and December.   Interest is payable quarterly at the end of March, June, September and December
Call premium percentage   12.50%      
Debt issuance costs     $ 797,000   $ 810,000
Subordinated notes | Subordinated notes | Debt Instrument, Redemption, Period One          
Debt Instrument [Line Items]          
Interest rate   7.50%      
Call premium   $ 1,100,000      
Subordinated notes | Subordinated notes | Debt Instrument, Redemption, Period Two          
Debt Instrument [Line Items]          
Interest rate   12.50%      
Call premium   $ 1,750,000      
Subordinated notes | Subordinated notes | Debt Instrument, Redemption, Period Three          
Debt Instrument [Line Items]          
Call premium   $ 3,050,000.00      
Line of credit          
Debt Instrument [Line Items]          
Borrowing capacity         $ 10,000,000
Line of credit | LIBOR          
Debt Instrument [Line Items]          
Variable interest rate         2.75%