Debt - Narrative (Details) - USD ($)		1 Months Ended	9 Months Ended
	Sep. 29, 2023	Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2022
FHLB of Indianapolis
Debt Instrument [Line Items]
Debt issuance costs		$ 25,264,000	$ 25,264,000	$ 33,876,000
6.75 Senior Unsecured Notes Effective September 2023 (Existing Notes)
Debt Instrument [Line Items]
Face amount of debt		6,500,000	6,500,000
Senior Unsecured Notes
Debt Instrument [Line Items]
Amount of new notes for which existing notes exchanged			5,000,000
Senior Unsecured Notes | FHLB of Indianapolis
Debt Instrument [Line Items]
Debt issuance costs		16,208,000	16,208,000	24,186,000
Senior Unsecured Notes | 9.75% Senior Unsecured Notes (New Notes))
Debt Instrument [Line Items]
Face amount of debt		$ 17,900,000	$ 17,900,000
Maturity date		Sep. 30, 2028	Sep. 30, 2028
Interest rate		9.75%	9.75%
Interest rate, payment terms			interest rate of 9.75% per annum, payable quarterly at the end of March, June, September and December
Debt issuance costs		$ 1,700,000	$ 1,700,000
Senior Unsecured Notes | 6.75 Senior Unsecured Notes Effective September 2023 (Existing Notes)
Debt Instrument [Line Items]
Face amount of debt		$ 11,200,000	11,200,000
Notes paid off			$ 13,200,000
Interest rate		6.75%	6.75%
Extinguishment of debt, amount			$ 24,400,000
Non-cash exchange of existing notes for new notes			11,200,000
Senior Secured Notes
Debt Instrument [Line Items]
Face amount of debt		$ 17,900,000	$ 17,900,000
Interest rate		12.50%	12.50%
Call premium			$ 1,800,000
Senior Secured Notes | FHLB of Indianapolis
Debt Instrument [Line Items]
Debt issuance costs		$ 9,056,000	9,056,000
Senior Secured Notes | Privately Placed 12.5% Senior Secured Notes
Debt Instrument [Line Items]
Face amount of debt		$ 10,000,000.0	$ 10,000,000.0
Maturity date		Sep. 30, 2028	Sep. 30, 2028
Interest rate		12.50%	12.50%
Interest rate, payment terms			Interest is payable quarterly at the end of March, June, September, and December.
Quarterly payment of principal			$ 250,000
Call premium percentage		22.00%	22.00%
Debt issuance costs		$ 944,000	$ 944,000
Restructuring costs incurred			173,000
Subordinated notes
Debt Instrument [Line Items]
Principal on subordinated notes paid down		500,000
Subordinated notes | FHLB of Indianapolis
Debt Instrument [Line Items]
Debt issuance costs				$ 9,690,000
Subordinated notes | 6.75 Senior Unsecured Notes Effective September 2023 (Existing Notes)
Debt Instrument [Line Items]
Amount of existing notes exchanged for new notes			5,000,000
Subordinated notes | Subordinated notes
Debt Instrument [Line Items]
Restructuring of existing subordinated notes to senior secured notes		10,000,000	10,000,000
Principal on subordinated notes paid down	$ 500,000
Exchange Offering
Debt Instrument [Line Items]
Face amount of debt		6,200,000	6,200,000
Offering to New Note | Senior Unsecured Notes August 2023
Debt Instrument [Line Items]
Face amount of debt		$ 6,700,000	$ 6,700,000