Accounting Standards Update (Notes)	3 Months Ended
Mar. 31, 2018
Accounting Changes and Error Corrections [Abstract]
Accounting Standards Update	2. Accounting Standards Update Recently Adopted Accounting Pronouncements Effective January 1, 2018, the Company adopted Accounting Standards Update ("ASU") No. 2014-09, Revenue from Contracts with Customers (Topic 606), using the modified retrospective method. This update outlined a comprehensive new revenue recognition model designed to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The new standard also required additional quantitative and qualitative disclosures, see "Note 3. Revenues." Effective January 1, 2018, the Company adopted ASU No. 2016-01, Financial Instruments-Overall (Subtopic 825-10), which, among other changes, provided new guidance on the presentation of unrealized gains and losses from equity securities. Under this standard, unrealized holding gains and losses for equity securities shall be included in earnings. The adoption of this standard did not have significant impact on the Company's consolidated financial statements. Accounting Pronouncements Not Yet Adopted In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842), which is intended to improve financial reporting about leasing transactions. This standard requires a lessee to record on the balance sheet the assets and liabilities for the rights and obligations created by lease terms of more than 12 months. The Company is required to adopt this standard effective January 1, 2019. The Company commenced its assessment of the new standard in 2017, developed a project plan to guide the implementation, which it expects to complete in the fourth quarter of 2018, and is evaluating the impact the new standard will have on its consolidated financial statements.

2. Accounting Standards Update

Recently Adopted Accounting Pronouncements

Effective January 1, 2018, the Company adopted Accounting Standards Update ("ASU") No. 2014-09, Revenue from Contracts with Customers (Topic 606), using the modified retrospective method. This update outlined a comprehensive new revenue recognition model designed to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The new standard also required additional quantitative and qualitative disclosures, see "Note 3. Revenues."

Effective January 1, 2018, the Company adopted ASU No. 2016-01, Financial Instruments-Overall (Subtopic 825-10), which, among other changes, provided new guidance on the presentation of unrealized gains and losses from equity securities. Under this standard, unrealized holding gains and losses for equity securities shall be included in earnings. The adoption of this standard did not have significant impact on the Company's consolidated financial statements.

Accounting Pronouncements Not Yet Adopted

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842), which is intended to improve financial reporting about leasing transactions. This standard requires a lessee to record on the balance sheet the assets and liabilities for the rights and obligations created by lease terms of more than 12 months. The Company is required to adopt this standard effective January 1, 2019. The Company commenced its assessment of the new standard in 2017, developed a project plan to guide the implementation, which it expects to complete in the fourth quarter of 2018, and is evaluating the impact the new standard will have on its consolidated financial statements.