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Leases (Tables)

9 Months Ended

Sep. 30, 2019

Leases [Abstract]

Schedule of components of lease expense

The components of lease expense are as follows:

​	​	​	​	​
​	​	Three months ended	​	Nine months ended
​	​	September 30, 2019	​	September 30, 2019
Operating lease cost	$	1,345	$	4,241
Short-term lease cost	​	114	​	415
Variable lease cost	​	99	​	279
Total lease cost	$	1,558	$	4,935
​	​	​	​	​

Schedule of supplemental balance sheet information

​

Balance Sheet information related to leases is as follows:

​	​	​
​	​	As of September 30, 2019
Assets:	​	​
Operating lease right-of-use assets	$	20,899
​	​	​
Liabilities:	​	​
Operating lease current liability, included in other current liabilities	​	4,188
Operating lease long-term liability	​	17,059
Total leased liabilities	$	21,247
​	​	​

Schedule of maturities of lease liabilities

Maturities of operating lease liabilities are as follows:

​	​	​
​	​	As of September 30, 2019
Year ending December 31,	​	​
2019 (1)	$	1,310
2020	​	4,680
2021	​	4,068
2022	​	3,115
2023	​	3,062
Thereafter	​	9,881
Total future minimum lease payments	$	26,116
Less: imputed interest	​	(4,869)
Total lease liabilities	$	21,247
​	​	​

(1) For the remaining three months

Schedule of weighted-average remaining lease term, discount rate and other information

Weighted-average remaining lease term and discount rate is as follows:

​	​	​	​	​	​
​	​	​	As of September 30, 2019
Weighted-average remaining lease term (in years)		​	​	​	​
Operating leases	​	​	​	6.93	​
Weighted-average discount rate	​	​	​	​	​
Operating leases	​	​	​	5.77	%
​	​	​	​	​	​

Schedule of other information related to leases

Other information:

​	​	​	​	​
Nine months ended	​	​	​	September 30, 2019
Operating cash flows:	​	​	​	​
Cash paid related to operating lease obligations	​	​	$	4,265
Non-cash activity:	​	​	​	​
Right-of-use assets obtained in exchange for operating lease obligations	​	​	$	5,327

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The tabular disclosure of lease balance sheet.

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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

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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

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