Leases (Details 2) $ in Thousands  | 
 Dec. 31, 2019  
USD ($) 
 | 
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|---|---|---|---|---|
| Leases | ||||
| Remainder of Fiscal 2020 | $ 1,469 | |||
| Fiscal 2021 | 1,597 | |||
| Fiscal 2022 | 1,485 | |||
| Fiscal 2023 | 1,007 | |||
| Fiscal 2024 | 779 | |||
| Thereafter | 427 | |||
| Less: Imputed interest | (820) | |||
| Present value of operating lease liabilities (a) | $ 5,944 | [1] | ||
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| X | ||||||||||
- References No definition available. 
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| X | ||||||||||
- References No definition available. 
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease, due in next fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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