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Commitments And Contingencies (Tables) | 6 Months Ended
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Jun. 30, 2018
Commitments and Contingencies Disclosure [Abstract] |
Future Minimum Lease Payments Under Operating Leases | Future minimum lease payments under operating leases were:
| As of June 30, 2018
| (in thousands)
2018 (remainder of year) | $ | 24,955 |
2019 | 36,870 |
2020 | 29,706 |
2021 | 24,013 |
2022 | 17,404 |
Thereafter | 39,581 |
Total minimum lease payments | $ | 172,529 |
Operating Lease Rental Expense | Rent expense under operating leases was:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
| (in thousands)
Minimum rentals (1) | $ | 17,565 |  |  | $ | 20,403 |  |  | $ | 35,844 |  |  | $ | 41,188 |
Contingent rentals | 5,535 |  |  | 5,562 |  |  | 7,695 |  |  | 7,822 |
Less: Sublease rentals | (33 | ) |  | (52 | ) |  | (73 | ) |  | (89 | )
Total rent expense | $ | 23,067 |  |  | $ | 25,913 |  |  | $ | 43,466 |  |  | $ | 48,921 |
(1) Minimum rentals include all lease payments as well as fixed and variable common area maintenance, parking, and storage fees, which were approximately $2.4 million and $2.8 million for the three months ended June 30, 2018 and 2017, respectively, and $4.8 million and $5.7 million for the six months ended June 30, 2018 and 2017, respectively.

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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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- Definition Tabular disclosure of rental expense from operating leases for each period for which an income statement is presented with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717 + Details
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