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Compensation and Benefits - Additional information (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares authorized (in shares) | 14,000,000 |
Number of shares available for grant (in shares) | 4,616,611 |
Unrecognized compensation expense | $ 106,500 |
Recognition period | 3 years 7 months 6 days |
Shares paid for tax withholding for share based compensation (in shares) | 126,971 |
Taxes paid related to employee net share settlement | $ (4,530) | $ (1,824)
Shares issued in period (in shares) | 60,000 |
Restricted Stock |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Granted - Number of awards (in shares) | 919,455 |
Requisite service period | 5 years |
Restricted Stock | 2020 Grant [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Granted - Number of awards (in shares) | 916,085 |
Unrecognized compensation expense | $ 34,200 |
Restricted Stock Units RSUs | 2020 Grant [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Granted - Number of awards (in shares) | 3,370 |
Performance Shares |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Granted - Number of awards (in shares) | 60,000 |
Requisite service period | 3 years |
Performance Shares | 2020 Grant [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Granted - Number of awards (in shares) | 60,000 |
Performance Shares | Pro Forma [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Granted - Number of awards (in shares) | 90,000 |

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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