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Leases (Tables) | 6 Months Ended
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Jun. 30, 2019
Leases |
Schedule of lease cost | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended June 30, | ​ | Six months ended June 30,
​ | ​ | 2019 | ​ | 2019
Lease Cost | ​ | ​ | ​ | ​ | ​ | ​
Operating lease cost | ​ | $ | 353 | ​ | $ | 705
Short-term lease cost | ​ | ​ | 144 | ​ | ​ | 312
Total lease cost | ​ | $ | 497 | ​ | $ | 1,017
Schedule of lease quantitative details | ​
​ | ​ | ​ | ​
​ | ​ | As of June 30,
Lease Term and Discount Rate: | ​ | 2019
Weighted-average remaining lease term — operating leases (years) | ​ | ​ | 10.1
Weighted-average discount rate — operating leases | ​ | ​ | 6.1%
Schedule of other information | ​
​ | ​ | ​ | ​
​ | ​ | Six months ended June 30,
Other Information: | ​ | 2019
Cash paid for amounts included in the measurement of operating leases liabilities | ​ | $ | 476
Leased assets obtained in exchange for new operating lease liabilities | ​ | ​ | —
Schedule of future minimum lease payments - ASC Topic 842 | ​
​ | ​ | ​ | ​
​ | ​ | ​ | ​
2019 | ​ | $ | 578
2020 | ​ |  | 1,328
2021 | ​ | ​ | 1,284
2022 | ​ | ​ | 1,322
2023 | ​ | ​ | 1,360
After 2023 | ​ | ​ | 8,490
Total minimum lease payments | ​ | $ | 14,362
Less: Present value discount | ​ | ​ | 3,826
Present value of lease liabilities | ​ | $ | 10,536
Schedule of future minimum lease payments - legacy GAAP | ​
​ | ​ | ​ | ​
2019 | ​ | $ | 1,032
2020 | ​ | ​ | 1,305
2021 | ​ | ​ | 1,261
2022 | ​ | ​ | 1,299
2023 | ​ | ​ | 1,337
After 2023 | ​ | ​ | 8,423
Total minimum lease payments | ​ | $ | 14,657
​

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- Definition Tabular disclosure of lease quantitative details + References No definition available. + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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