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Leases (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Lessee, Lease, Description [Line Items] |  |  |
Net gain on extinguishment of lease liabilities | $ (10,100,000) |  |
Operating Leases, Future Sublease Income, Remainder of Fiscal Year | 644,000 |  |
Operating Leases, Future Sublease Income, Due in Two Years | 546,000 |  |
Operating Leases, Future Sublease Income, Due in Three Years | 488,000 |  |
Operating Leases, Future Sublease Income, Due in Four Years | 291,000 |  |
Operating Leases, Future Minimum Payments, Remainder of Fiscal Year | 5,406,000 |  |
Operating Leases, Future Minimum Payments, Due in Two Years | 5,217,000 |  |
Operating Leases, Future Minimum Payments, Due in Three Years | 3,591,000 |  |
Operating Leases, Future Minimum Payments, Due in Four Years | 1,030,000 |  |
Operating Leases, Future Minimum Payments Due | 15,244,000 |  |
Lessee, Operating Lease, Liability, Undiscounted Excess Amount | 1,096,000 |  |
Unrealized gain/loss on translation to reporting currency | (3,000) |  |
Operating Lease, Liability | 14,145,000 |  |
Operating Lease, Liability, Current | $ 4,810,000 | $ 1,214,000 |
Lessee, Operating Lease, Renewal Term | 5 years |  |
Operating Lease, Weighted Average Discount Rate, Percent | 5.00% |  |
Operating Lease, Weighted Average Remaining Lease Term | 2 years 10 months 24 days |  |
Operating Lease, Cost | $ 3,100,000 | 4,500,000 | $ 4,200,000
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | 500,000 |  |
Operating Leases, Rent Expense, Sublease Rentals | 1,200,000 | 2,400,000 | $ 2,100,000
Operating Lease, Liability, Noncurrent | 9,335,000 | $ 4,097,000 |
Operating Leases, Future Sublease Income Due | $ 1,969,000 |  |
Minimum [Member] |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Lessee, Operating Lease, Term of Contract | 3 years |  |
Maximum [Member] |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Lessee, Operating Lease, Term of Contract | 5 years |  |

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- Definition Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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