Leases - Maturity of Lease Liabilities and Other Information (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Nov. 30, 2018
Maturity of Lease Liabilities
2020	$ 7,940
2021	9,480
2022	9,745
2023	10,023
2024	10,309
Thereafter	59,860
Total operating lease payments	107,357
Less: Estimated tenant improvement allowance	(15,561)
Less: Imputed interest	(36,309)
Present value of operating lease liabilities	55,487
Operating cash flows from operating leases	$ 7,200
Weighted-average remaining lease term (years)	10 years 2 months 12 days
Weighted-average discount rate	8.65%
9.0% non-recourse notes due 2033
Maturity of Lease Liabilities
Interest rate (as a percent)	9.00%	9.00%	9.00%

The amount of tenant improvement allowance on operating leases as of the balance sheet date.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of lessee's undiscounted obligation for lease payments for operating lease.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in next fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average discount rate for operating lease calculated at point in time.

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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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