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Recently Adopted and Recently Issued Accounting Standards - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
New Accounting Pronouncement, Early Adoption [Line Items] |  |  |  |
Undiscounted future minimum rent commitments under noncancellable leases | $ 44,100 |  | $ 44,100 |
Additional discrete tax benefit | 721 | $ 563 | 3,107 | $ 2,695
Cumulative-effect adjustment to retained earnings | 5,915 |  | 5,915 |
Accounting Standards Update 2016-09 |  |  |  |
New Accounting Pronouncement, Early Adoption [Line Items] |  |  |  |
Additional discrete tax benefit |  |  | 6,800 |
Accounting Standards Update 2016-16 |  |  |  |
New Accounting Pronouncement, Early Adoption [Line Items] |  |  |  |
Cumulative-effect adjustment to retained earnings | 5,900 |  | 5,900 |
Pro Forma | Accounting Standards Update 2017-07 |  |  |  |
New Accounting Pronouncement, Early Adoption [Line Items] |  |  |  |
Decrease in operating income | $ 3,500 |  | $ 3,500 |

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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 + Details
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