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Leases - Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Leases [Abstract]
Operating lease cost	$ 1,651	$ 1,423	$ 4,612	$ 4,197
Short-term lease cost	2,563	2,108	7,946	6,122
Short-term lease cost - related party	0	892	0	2,681
Total lease cost	$ 4,214	$ 4,423	12,558	13,000
Cash paid for amounts included in the measurement of lease liabilities - operating leases			$ 4,125	$ 4,127
Weighted-average remaining lease term - operating leases (in years)	4 years 9 months 25 days		4 years 9 months 25 days
Weighted-average discount rate - operating leases	4.53%		4.53%

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- Definition

Related Party, Short-Term Lease, Cost

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- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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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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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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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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