Recent Accounting Standards	3 Months Ended
Mar. 31, 2019
Accounting Changes And Error Corrections [Abstract]
Recent Accounting Standards	3. Recent Accounting Standards Recent Accounting Pronouncements On January 1, 2019 the Company adopted ASU 2016-02, Leases (Topic 842) (“ASU 2016-02”) using the modified retrospective approach for all lease arrangements at the beginning period of adoption. Results for the reporting period beginning January 1, 2019 are presented under ASU 2016-02, which required, among other items, lessees to recognize a right-of-use asset (“ROU assets”) and lease liability for most leases. As permitted by the new lease standard, the Company elected (i) not to reevaluate land easements if they were not previously accounted for as leases, (ii) not to reassess prior conclusions about lease identification, lease classification and initial direct costs (iii) not to apply the recognition requirements to short-term leases, and (iv) not to separate non-lease components from associated lease components, for all classes of underlying assets. Upon adoption of the new lease standard, the Company recorded right of use assets of approximately $46.7 million and lease liabilities of approximately $48.2 million in connection with its operating leases. See Note 5 for additional information regarding our commitments under various lease obligations. Lease Accounting Policy Arrangements that are determined to be leases at inception are recognized in long-term ROU assets, current lease liabilities, and long-term lease liabilities in the condensed consolidated balance sheet at lease commencement. Operating lease ROU assets and operating lease liabilities are recognized based on the present value of the future fixed lease payments over the lease term at commencement date. As most of the Company’s leases do not provide an implicit rate, the Company applies its incremental borrowing rate based on the economic environment at commencement date in determining the present value of future payments. The operating lease ROU asset also includes any lease prepayments made and initial direct costs incurred and is reduced by lease incentives. Lease terms may include options to extend or terminate the lease when it is reasonably certain that the Company will exercise that option. Lease expense for operating leases or payments are recognized on a straight-line basis over the lease term.

Recent Accounting Standards

3 Months Ended

Mar. 31, 2019

Accounting Changes And Error Corrections [Abstract]

3. Recent Accounting Standards

Recent Accounting Pronouncements

On January 1, 2019 the Company adopted ASU 2016-02, Leases (Topic 842) (“ASU 2016-02”) using the modified retrospective approach for all lease arrangements at the beginning period of adoption. Results for the reporting period beginning January 1, 2019 are presented under ASU 2016-02, which required, among other items, lessees to recognize a right-of-use asset (“ROU assets”) and lease liability for most leases. As permitted by the new lease standard, the Company elected (i) not to reevaluate land easements if they were not previously accounted for as leases, (ii) not to reassess prior conclusions about lease identification, lease classification and initial direct costs (iii) not to apply the recognition requirements to short-term leases, and (iv) not to separate non-lease components from associated lease components, for all classes of underlying assets. Upon adoption of the new lease standard, the Company recorded right of use assets of approximately $46.7 million and lease liabilities of approximately $48.2 million in connection with its operating leases. See Note 5 for additional information regarding our commitments under various lease obligations.

Lease Accounting Policy

Arrangements that are determined to be leases at inception are recognized in long-term ROU assets, current lease liabilities, and long-term lease liabilities in the condensed consolidated balance sheet at lease commencement. Operating lease ROU assets and operating lease liabilities are recognized based on the present value of the future fixed lease payments over the lease term at commencement date. As most of the Company’s leases do not provide an implicit rate, the Company applies its incremental borrowing rate based on the economic environment at commencement date in determining the present value of future payments. The operating lease ROU asset also includes any lease prepayments made and initial direct costs incurred and is reduced by lease incentives. Lease terms may include options to extend or terminate the lease when it is reasonably certain that the Company will exercise that option. Lease expense for operating leases or payments are recognized on a straight-line basis over the lease term.