Basis of Presentation and Significant Accounting Policies	3 Months Ended
Mar. 31, 2019
Accounting Policies [Abstract]
Basis of Presentation and Significant Accounting Policies	Basis of Presentation and Significant Accounting Policies Basis of Presentation The unaudited condensed consolidated financial statements of FTI Consulting, Inc., including its consolidated subsidiaries (collectively, the “Company,” “we,” “our” or “FTI Consulting”), presented herein, have been prepared in accordance with generally accepted accounting principles in the United States (“GAAP”) and under the rules and regulations of the Securities and Exchange Commission (“SEC”) for interim financial information. Some of the information and footnote disclosures normally included in annual financial statements have been condensed or omitted pursuant to those rules and regulations. Certain prior period amounts have been reclassified to conform to the current period presentation. In management’s opinion, the interim financial statements reflect all adjustments that are necessary for a fair presentation of the results for the interim periods presented. All adjustments made were normal recurring accruals. Results of operations for the interim periods presented herein are not necessarily indicative of results of operations for a full year. These financial statements should be read in conjunction with the consolidated financial statements and the notes thereto contained in our Annual Report on Form 10-K for the year ended December 31, 2018 filed with the SEC. Leases As of January 1, 2019, the Company adopted Accounting Standards Update ("ASU") 2016-02, Leases ("ASC 842"), which supersedes existing lease guidance. The standards require us to record right-of-use ("ROU") assets and corresponding lease liabilities on the balance sheet, as well as, disclose key quantitative and qualitative information about our lease contracts. Under ASC 842, we determine if a contract is a leasing arrangement at inception. ROU assets represent our right to control the use of an identified asset for the lease term and lease liabilities represent our obligation to make lease payments arising from the lease. Operating lease ROU assets and liabilities are recognized at the commencement date based on the present value of lease payments over the lease term. We use the incremental borrowing rate on the commencement date in determining the present value of our lease payments. We recognize operating lease expense for our operating leases on a straight-line basis over the lease term, which may include renewal or termination options that are reasonably certain of exercise. Lease and non-lease components are accounted for together as a single lease component for operating leases associated with our office space and our equipment leases. We apply a portfolio approach for certain equipment leases to effectively account for the operating lease ROU assets and liabilities.

Basis of Presentation and Significant Accounting Policies

Basis of Presentation

The unaudited condensed consolidated financial statements of FTI Consulting, Inc., including its consolidated subsidiaries (collectively, the “Company,” “we,” “our” or “FTI Consulting”), presented herein, have been prepared in accordance with generally accepted accounting principles in the United States (“GAAP”) and under the rules and regulations of the Securities and Exchange Commission (“SEC”) for interim financial information. Some of the information and footnote disclosures normally included in annual financial statements have been condensed or omitted pursuant to those rules and regulations. Certain prior period amounts have been reclassified to conform to the current period presentation. In management’s opinion, the interim financial statements reflect all adjustments that are necessary for a fair presentation of the results for the interim periods presented. All adjustments made were normal recurring accruals. Results of operations for the interim periods presented herein are not necessarily indicative of results of operations for a full year. These financial statements should be read in conjunction with the consolidated financial statements and the notes thereto contained in our Annual Report on Form 10-K for the year ended December 31, 2018 filed with the SEC.

Leases

As of January 1, 2019, the Company adopted Accounting Standards Update ("ASU") 2016-02, Leases ("ASC 842"), which supersedes existing lease guidance. The standards require us to record right-of-use ("ROU") assets and corresponding lease liabilities on the balance sheet, as well as, disclose key quantitative and qualitative information about our lease contracts.

Under ASC 842, we determine if a contract is a leasing arrangement at inception. ROU assets represent our right to control the use of an identified asset for the lease term and lease liabilities represent our obligation to make lease payments arising from the lease. Operating lease ROU assets and liabilities are recognized at the commencement date based on the present value of lease payments over the lease term. We use the incremental borrowing rate on the commencement date in determining the present value of our lease payments. We recognize operating lease expense for our operating leases on a straight-line basis over the lease term, which may include renewal or termination options that are reasonably certain of exercise.

Lease and non-lease components are accounted for together as a single lease component for operating leases associated with our office space and our equipment leases. We apply a portfolio approach for certain equipment leases to effectively account for the operating lease ROU assets and liabilities.