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Income Taxes - Expected Expiry Dates of NOL's (Details) - United States $ in Thousands	Dec. 31, 2021 USD ($)
State NOL's
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards, not subject to expiration	$ 44,370
Net operating loss carryforwards	296,981
State NOL's | 2022-2035
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards, subject to expiration	227,538
State NOL's | 2036-2040
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards, subject to expiration	25,073
Federal NOL's
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards, not subject to expiration	95
Net operating loss carryforwards	10,349
Federal NOL's | 2022-2035
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards, subject to expiration	10,238
Federal NOL's | 2036-2040
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards, subject to expiration	$ 16

X

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 10
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