Recent Accounting Standards - Description of Recent Accounting Standards Adopted During Reporting Period (Detail) - New Accounting Pronouncement, Early Adoption, Effect [Member] |
6 Months Ended |
|---|---|
Jun. 30, 2017 | |
| Accounting Standards Update 2017-01 [Member] | |
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |
| Description of recent accounting standards | This update clarifies the definition of a business to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses by providing a screen to determine when an integrated set of assets or activities is not a business. |
| Date Of Adoption | Jan. 01, 2017 |
| Effect on Condensed Consolidated Financial Statements or Other Significant Matters | Effect on our Condensed Consolidated Financial Statements or Other Significant Matters The adoption of this guidance did not have a material impact on our Condensed Consolidated Financial Statements or disclosures. |
| Accounting Standards Update 2017-04 [Member] | |
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |
| Description of recent accounting standards | This update eliminated Step 2 from the goodwill impairment test. Step 2 required entities to compute the implied fair value of goodwill if it was determined that the carrying amount of a reporting unit exceed its fair value. The goodwill impairment test now consists of comparing the fair value of a reporting unit with its carrying amount, and a company should recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit's fair value. |
| Date Of Adoption | Jan. 01, 2017 |
| Effect on Condensed Consolidated Financial Statements or Other Significant Matters | The adoption of this guidance did not have a material impact on our Condensed Consolidated Financial Statements or disclosures. |
| Accounting Standards Update 2017-09 [Member] | |
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |
| Description of recent accounting standards | This update clarifies what changes to the terms and conditions of share-based awards require an entity to apply modification accounting. Modification accounting is required only if the fair value, the vesting conditions, or the classification of the award (as equity or liability) changes as a result of the change in terms or conditions. |
| Date Of Adoption | Apr. 01, 2017 |
| Effect on Condensed Consolidated Financial Statements or Other Significant Matters | The adoption of this guidance did not have a material impact on our Condensed Consolidated Financial Statements or disclosures. |
| Accounting Standards Update 2016-18 [Member] | |
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |
| Description of recent accounting standards | This update requires that restricted cash be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. |
| Date Of Adoption | Apr. 01, 2017 |
| Effect on Condensed Consolidated Financial Statements or Other Significant Matters | The adoption of this guidance did not have a material impact on our Condensed Consolidated Financial Statements or disclosures. |