| Leases - Other Lease Information (Details) - USD ($) $ in Thousands | 12 Months Ended | |
|---|---|---|
| Dec. 31, 2020 | Dec. 31, 2019 | |
| Cash paid for amounts included in the measurement of lease liabilities: [Abstract] | ||
| Payments on operating leases included in operating cash flows | $ 16,135 | $ 14,814 | 
| Interest payments under finance lease obligations included in operating cash flows | 21 | 26 | 
| Principal payments under finance lease obligations included in financing cash flows | 209 | 177 | 
| Right-of-Use Assets Obtained in Exchange for New Lease Liabilities (Non-Cash): [Abstract] | ||
| Operating leases | 14,439 | 8,798 | 
| Right-of-Use Asset Obtained in Exchange for Finance Lease Liability | $ 353 | $ 0 | 
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- Definition Cash paid for amounts included in the measurement of lease liabilities: [Abstract] No definition available. 
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- Definition Right-of-Use Assets Obtained in Exchange for New Lease Liabilities (Non-Cash): [Abstract] No definition available. 
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- Definition Amount of interest paid on finance lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of cash outflow for principal payment on finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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