| Acquisition - Schedule of Acquired Assets and Assumed Liabilities by ASH (Details) - ApplianceSmart Inc $ in Thousands | Dec. 31, 2017  USD ($) | 
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| Business Acquisition [Line Items] | |
| Accounts payable | $ 1,374 | 
| Accrued expenses | 1,080 | 
| Capital leases | 30 | 
| Credit card receivables | (255) | 
| Cash | (622) | 
| Total net liabilities assumed by ASH | $ 1,607 | 
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- Definition Cash No definition available. 
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- Definition Business combination recognized identifiable assets acquired and liabilities assumed current liabilities accrued expenses. 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 lease obligation assumed in business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Amounts receivable from issuing a card to individuals or businesses that allows someone to make a purchase on borrowed money. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Details 
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