Commitments and Contingencies - Total future minimum lease payments (Detail) $ in Thousands |
Dec. 31, 2017
USD ($)
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|---|---|
| Operating Leased Assets [Line Items] | |
| 2018 | $ 2,761 |
| 2019 | 2,976 |
| 2020 | 3,203 |
| 2021 | 3,084 |
| 2022 | 3,084 |
| Thereafter | 26,600 |
| Total minimum lease payments | 41,708 |
| National Holdings [Member] | |
| Operating Leased Assets [Line Items] | |
| 2018 | 3,040 |
| 2019 | 2,481 |
| 2020 | 2,346 |
| 2021 | 2,043 |
| 2022 | 1,331 |
| Thereafter | 4,524 |
| Total minimum lease payments | 15,765 |
| Less, Sublease Income 2018 | 360 |
| Less, Sublease Income 2019 | 30 |
| Less, Sublease Income 2020 | 0 |
| Less, Sublease Income 2021 | 0 |
| Less, Sublease Income 2022 | 0 |
| Less, Sublease Income Thereafter | 0 |
| Less, Sublease Income Total | 390 |
| Net, 2018 | 2,680 |
| Net, 2019 | 2,451 |
| Net, 2020 | 2,346 |
| Net, 2021 | 2,043 |
| Net, 2022 | 1,331 |
| Net, Thereafter | 4,524 |
| Net, Total | $ 15,375 |
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- Definition Amount of required minimum rental payments net of sublease income for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in fifth fiscal year following the latest fiscal year. No definition available.
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- Definition Amount of required minimum rental payments net of sublease income for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in fourth fiscal year following the latest fiscal year. No definition available.
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- Definition Amount of required minimum rental payments net of sublease income for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in third fiscal year following the latest fiscal year. No definition available.
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- Definition Amount of required minimum rental payments net of sublease income for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in second fiscal year following the latest fiscal year. No definition available.
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- Definition Amount of required minimum rental payments net of sublease income for leases having an initial or remaining non-cancelable letter-terms in excess of one year. No definition available.
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- Definition Amount of required minimum rental payments net of sublease income for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after fifth fiscal year following the latest fiscal year. No definition available.
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- Definition Amount of required minimum rental payments net of sublease income for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the remainder of the fiscal year following the latest fiscal year. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Future minimum rental payments in aggregate as of the balance sheet date under operating leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Future rental payments receivable within the fifth year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Future rental payments receivable within the fourth year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Future rental payments receivable within the third year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Future rental payments receivable within the second year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of required minimum rental payments receivable in the remainder of the fiscal year following the latest fiscal year ended for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. No definition available.
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- Definition Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. No definition available.
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- Details
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