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Commitments and Contingencies - Additional Information (Detail) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2015 USD ($) | Dec. 31, 2014 USD ($)
Loss Contingencies [Line Items] |  |
Number of RMBS Trustees Filing Suit |  | 5
Litigation Settlement, Expense |  | $ 207
Successor [Member] |  |
Loss Contingencies [Line Items] |  |
Capital Leases, Future Minimum Payments, Remainder of Fiscal Year | $ 1,375,000 |
Operating Leases, Future Minimum Payments, Due in Two Years | 6,168,000 |
Operating Leases, Future Minimum Payments, Due in Three Years | 6,168,000 |
Operating Leases, Future Minimum Payments, Due Thereafter | 14,947,000 |
Operating Leases, Future Minimum Payments Due | 39,872,000 |
Capital Leases, Future Minimum Payments Due, Next Twelve Months | 6,168,000 |
Capital Leases, Future Minimum Payments Due in Four Years | 5,046,000 |
Settled Litigation [Member] |  |
Loss Contingencies [Line Items] |  |
Proceeds from Legal Settlements | $ 7,760,000 |

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- Definition Amount of minimum lease payments for capital leases due in the next 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 + Details
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- Definition Amount of minimum lease payments for capital leases 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 + Details
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