Debt - Debt Maturities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Debt Instrument
2020 (remaining three months)	$ 3,285
2021	8,905
2022	3,796
2023	142,349
2024	351,402
2025 and thereafter	175,127
Total principal amount of debt	684,864
Unamortized debt issuance costs and unamortized discount	(5,428)	$ (5,981)
Carrying amount of debt	$ 679,436
Senior Notes \| 6.75% Notes
Debt Instrument
Interest rate on debt	6.75%
2020 (remaining three months)	$ 0
2021	0
2022	0
2023	0
2024	350,000
2025 and thereafter	0
Total principal amount of debt	$ 350,000
Senior Notes \| 7.625% Notes
Debt Instrument
Interest rate on debt	7.625%
2020 (remaining three months)	$ 0
2021	0
2022	0
2023	0
2024	0
2025 and thereafter	100,000
Total principal amount of debt	100,000
Surplus Notes \| Subordinated Debentures Tranche I
Debt Instrument
2020 (remaining three months)	0
2021	0
2022	0
2023	0
2024	0
2025 and thereafter	41,238
Total principal amount of debt	41,238
Surplus Notes \| Subordinated Debentures Tranche II
Debt Instrument
2020 (remaining three months)	0
2021	0
2022	0
2023	0
2024	0
2025 and thereafter	30,930
Total principal amount of debt	30,930
Finance lease liabilities \| Finance lease liabilities
Debt Instrument
2020 (remaining three months)	1,665
2021	5,962
2022	3,796
2023	2,349
2024	1,402
2025 and thereafter	2,959
Total principal amount of debt	18,133
Other \| Other
Debt Instrument
2020 (remaining three months)	1,620
2021	2,943
2022	0
2023	0
2024	0
2025 and thereafter	0
Total principal amount of debt	4,563
JPMorgan Chase, N.A. \| 2019 Credit Agreement
Debt Instrument
2020 (remaining three months)	0
2021	0
2022	0
2023	140,000
2024	0
2025 and thereafter	0
Total principal amount of debt	$ 140,000

Unamortized Debt Issuance Costs and Unamortized Discount (Premium), Net

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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