Recent Accounting Pronouncements	6 Months Ended
Jun. 30, 2019
Accounting Changes and Error Corrections [Abstract]
Recent Accounting Pronouncements	Recent Accounting Pronouncements In May 2014, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) No. 2014-09, Revenue from Contracts with Customers (Topic 606), requiring an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. The core principle of Accounting Standards Codification (“ASC”) Topic 606 is to recognize revenues when a customer obtains control of a good or service, in an amount that reflects the consideration to which an entity is expected to be entitled for those goods or services. Additionally, this ASU requires enhanced qualitative and quantitative disclosures regarding customer contracts. This ASU will replace most existing revenue recognition guidance in GAAP when it becomes effective and permits the use of either a full retrospective transition method or a modified retrospective with cumulative effect transition method. To assess the impact of this ASU, we utilized internal resources to lead the implementation effort and supplemented them with external resources. The Company’s adoption activities were performed over three phases: (i) assessment, (ii) design and (iii) implementation using a cross-functional team that included accounting, operational and information technology personnel. Based on our work to date, we believe we have identified all material contract types, revenues and costs that may be impacted by implementing ASC Topic 606. Generally, the Company believes the majority of its contracts will have similar performance obligations under ASC Topic 606 as compared with the units of account previously identified. We have identified certain contracts where the timing of revenue recognition will change under ASC Topic 606. Prior to the adoption of ASC Topic 606, revenue recorded for certain contracts with fluctuating rates per unit matched the amount that was billed to the customer. In accordance with ASC Topic 606, for contracts with fluctuating rates per unit that are not directly related to changes in the Company’s effort to perform under the contract, the Company will recognize revenue based on the stand-alone selling price per unit, calculated as the average rate per unit over the term of those contractual rates. This accounting treatment will at times create a contract asset or liability for the difference between the revenue recognized and the amount billable/billed to the customer. As a calendar year-end emerging growth company that has elected to take advantage of the extended transition period for complying with new or revised financial accounting standards, we are required to adopt the new revenue standard for annual periods beginning on January 1, 2019, and for interim periods within annual periods beginning on January 1, 2020. Accordingly, the interim periods within the year ending December 31, 2019 will be reported under the existing revenue standard, ASC Topic 605, while the annual period for the year ending December 31, 2019 will be reported under ASC Topic 606. For the annual period for the year ending December 31, 2019, we will apply the requirements of ASC Topic 606 to all contracts using the modified retrospective with cumulative effect transition method. Accordingly, we will recognize the cumulative effect of initially applying the new revenue standard as an adjustment to the opening balance of retained earnings for the year ending December 31, 2019. The comparative information will not be restated and will continue to be reported under the accounting standards in effect for the comparative periods. Based upon our assessment of the impact of the adoption of ASC Topic 606, we estimate a decrease of approximately $300 to the opening balance of retained earnings as of January 1, 2019, with an associated decrease in the contract asset balance “costs and estimated earnings in excess of billings.” In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842), requiring all leases to be recognized on the balance sheet as a right-of-use asset and a lease liability, unless the lease is a short-term lease (generally a lease with a term of 12 months or less). At the commencement date of the lease, the Company will recognize: (i) a lease liability for the Company’s obligation to make payments under the lease agreement, measured on a discounted basis; and (ii) a right-of-use asset that represents the Company’s right to use, or control the use of, the specified asset for the lease term. This ASU originally required recognition and measurement of leases at the beginning of the earliest period presented using a modified retrospective transition method. In July 2018, the FASB issued ASU No. 2018-11, which provided an additional (and optional) transition method that permits application of this ASU at the adoption date with recognition of a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. In July 2019, the FASB tentatively changed the effective date of this ASU, extending the effective date by one year for non-public business entities and making the ASU effective for the Company for the fiscal year ending December 31, 2021, and interim periods within the fiscal year ending December 31, 2022, with early adoption permitted. The Company has not yet selected a transition method and is currently evaluating the effect that the adoption of this ASU will have on its consolidated financial statements. In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows: Classification of Certain Cash Receipts and Cash Payments. This ASU addresses specific cash flow issues, including debt prepayment or debt extinguishment costs, contingent consideration payments made after a business combination, and proceeds from the settlement of insurance claims. This ASU is effective for the Company for fiscal years beginning after December 15, 2018, and interim periods within fiscal years beginning after December 15, 2019. The Company is currently evaluating the effect that the adoption of this ASU will have on its consolidated financial statements. In November 2016, the FASB issued ASU No. 2016-18, Statement of Cash Flows (Topic 230). This ASU requires that a statement of cash flows explains the change during the period in the total of cash, cash equivalents and amounts generally described as restricted cash or restricted cash equivalents. Upon adopting this ASU, amounts generally described as restricted cash or restricted cash equivalents will be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the consolidated statement of cash flows. ASU No. 2016-18 is effective for the Company for interim and annual periods beginning after December 15, 2018. The Company adopted ASU No. 2016-18 effective January 1, 2019, with retrospective application to our consolidated and combined statements of cash flows so that the consolidated and combined statements of cash flows present a reconciliation of the changes in cash and cash equivalents and restricted cash. The adoption of this ASU did not have a material impact to our consolidated financial statements. As a result of this retrospective adoption, the amount of cash and cash equivalents previously presented in the consolidated and combined statements of cash flows increased by $3,358 to reflect the inclusion of restricted cash in the amount reported for changes in cash, cash equivalents and restricted cash as of beginning and end of the period for the period from January 1, 2017 through January 12, 2017 and as of beginning of the period for the period from January 13, 2017 through December 31, 2017. In January 2017, the FASB issued ASU No. 2017-04, Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment. This ASU simplifies the measurement of goodwill impairment by eliminating the requirement that an entity compute the implied fair value of goodwill based on the fair values of its assets and liabilities to measure impairment. Instead, goodwill impairment will be measured as the difference between the fair value of the reporting unit and the carrying value of the reporting unit. This ASU also clarifies the treatment of the income tax effect of tax-deductible goodwill when measuring goodwill impairment loss. The Company will be required to adopt ASU No. 2017-04 for annual and any interim impairment tests for the periods beginning after December 15, 2019. ASU No. 2017-04 must be applied prospectively, with early adoption permitted. The Company is currently evaluating the effect that the adoption of this ASU will have on its consolidated financial statements.

Recent Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) No. 2014-09, Revenue from Contracts with Customers (Topic 606), requiring an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. The core principle of Accounting Standards Codification (“ASC”) Topic 606 is to recognize revenues when a customer obtains control of a good or service, in an amount that reflects the consideration to which an entity is expected to be entitled for those goods or services. Additionally, this ASU requires enhanced qualitative and quantitative disclosures regarding customer contracts. This ASU will replace most existing revenue recognition guidance in GAAP when it becomes effective and permits the use of either a full retrospective transition method or a modified retrospective with cumulative effect transition method.

To assess the impact of this ASU, we utilized internal resources to lead the implementation effort and supplemented them with external resources. The Company’s adoption activities were performed over three phases: (i) assessment, (ii) design and (iii) implementation using a cross-functional team that included accounting, operational and information technology personnel.

Based on our work to date, we believe we have identified all material contract types, revenues and costs that may be impacted by implementing ASC Topic 606. Generally, the Company believes the majority of its contracts will have similar performance obligations under ASC Topic 606 as compared with the units of account previously identified. We have identified certain contracts where the timing of revenue recognition will change under ASC Topic 606. Prior to the adoption of ASC Topic 606, revenue recorded for certain contracts with fluctuating rates per unit matched the amount that was billed to the customer. In accordance with ASC Topic 606, for contracts with fluctuating rates per unit that are not directly related to changes in the Company’s effort to perform under the contract, the Company will recognize revenue based on the stand-alone selling price per unit, calculated as the average rate per unit over the term of those contractual rates. This accounting treatment will at times create a contract asset or liability for the difference between the revenue recognized and the amount billable/billed to the customer.

As a calendar year-end emerging growth company that has elected to take advantage of the extended transition period for complying with new or revised financial accounting standards, we are required to adopt the new revenue standard for annual periods beginning on January 1, 2019, and for interim periods within annual periods beginning on January 1, 2020. Accordingly, the interim periods within the year ending December 31, 2019 will be reported under the existing revenue standard, ASC Topic 605, while the annual period for the year ending December 31, 2019 will be reported under ASC Topic 606. For the annual period for the year ending December 31, 2019, we will apply the requirements of ASC Topic 606 to all contracts using the modified retrospective with cumulative effect transition method. Accordingly, we will recognize the cumulative effect of initially applying the new revenue standard as an adjustment to the opening balance of retained earnings for the year ending December 31, 2019. The comparative information will not be restated and will continue to be reported under the accounting standards in effect for the comparative periods. Based upon our assessment of the impact of the adoption of ASC Topic 606, we estimate a decrease of approximately $300 to the opening balance of retained earnings as of January 1, 2019, with an associated decrease in the contract asset balance “costs and estimated earnings in excess of billings.”

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842), requiring all leases to be recognized on the balance sheet as a right-of-use asset and a lease liability, unless the lease is a short-term lease (generally a lease with a term of 12 months or less). At the commencement date of the lease, the Company will recognize: (i) a lease liability for the Company’s obligation to make payments under the lease agreement, measured on a discounted basis; and (ii) a right-of-use asset that represents the Company’s right to use, or control the use of, the specified asset for the lease term. This ASU originally required recognition and measurement of leases at the beginning of the earliest period presented using a modified retrospective transition method. In July 2018, the FASB issued ASU No. 2018-11, which provided an additional (and optional) transition method that permits application of this ASU at the adoption date with recognition of a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. In July 2019, the FASB tentatively changed the effective date of this ASU, extending the effective date by one year for non-public business entities and making the ASU effective for the Company for the fiscal year ending December 31, 2021, and interim periods within the fiscal year ending December 31, 2022, with early adoption permitted. The Company has not yet selected a transition method and is currently evaluating the effect that the adoption of this ASU will have on its consolidated financial statements.

In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows: Classification of Certain Cash Receipts and Cash Payments. This ASU addresses specific cash flow issues, including debt prepayment or debt extinguishment costs, contingent consideration payments made after a business combination, and proceeds from the settlement of insurance claims. This ASU is effective for the Company for fiscal years beginning after December 15, 2018, and interim periods within fiscal years beginning after December 15, 2019. The Company is currently evaluating the effect that the adoption of this ASU will have on its consolidated financial statements.

In November 2016, the FASB issued ASU No. 2016-18, Statement of Cash Flows (Topic 230). This ASU requires that a statement of cash flows explains the change during the period in the total of cash, cash equivalents and amounts generally described as restricted cash or restricted cash equivalents. Upon adopting this ASU, amounts generally described as restricted cash or restricted cash equivalents will be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the consolidated statement of cash flows. ASU No. 2016-18 is effective for the Company for interim and annual periods beginning after December 15, 2018. The Company adopted ASU No. 2016-18 effective January 1, 2019, with retrospective application to our consolidated and combined statements of cash flows so that the consolidated and combined statements of cash flows present a reconciliation of the changes in cash and cash equivalents and restricted cash. The adoption of this ASU did not have a material impact to our consolidated financial statements. As a result of this retrospective adoption, the amount of cash and cash equivalents previously presented in the consolidated and combined statements of cash flows increased by $3,358 to reflect the inclusion of restricted cash in the amount reported for changes in cash, cash equivalents and restricted cash as of beginning and end of the period for the period from January 1, 2017 through January 12, 2017 and as of beginning of the period for the period from January 13, 2017 through December 31, 2017.

In January 2017, the FASB issued ASU No. 2017-04, Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment. This ASU simplifies the measurement of goodwill impairment by eliminating the requirement that an entity compute the implied fair value of goodwill based on the fair values of its assets and liabilities to measure impairment. Instead, goodwill impairment will be measured as the difference between the fair value of the reporting unit and the carrying value of the reporting unit. This ASU also clarifies the treatment of the income tax effect of tax-deductible goodwill when measuring goodwill impairment loss. The Company will be required to adopt ASU No. 2017-04 for annual and any interim impairment tests for the periods beginning after December 15, 2019. ASU No. 2017-04 must be applied prospectively, with early adoption permitted. The Company is currently evaluating the effect that the adoption of this ASU will have on its consolidated financial statements.