XML 50 R35.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Selected Balance Sheet Data - Additional Information (Detail) |  |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jan. 01, 2016 | Jan. 01, 2015 | Jan. 01, 2014 | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) Installments | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($) | Mar. 31, 2013 USD ($)
Schedule Of Accrued Expenses [Line Items] |  |  |  |  |  |  |  |  |
SARs frozen liability amount |  |  |  | $ 20,719,000 |  | $ 20,719,000 |  | $ 21,399,000 |
Interest expense |  |  |  | 380,000 | $ 380,000 | $ 1,155,000 | $ 1,349,000 |  |
Maximum payment deferral period for certain commissions payable |  |  |  |  |  | 3 years |  |  |
SARs [Member] |  |  |  |  |  |  |  |  |
Schedule Of Accrued Expenses [Line Items] |  |  |  |  |  |  |  |  |
SARs frozen liability amount |  |  |  |  |  |  |  |  | $ 20,000,000
SARs liability frozen value date |  |  |  |  |  | Mar. 31, 2013 |  |  |
SARs liability interest accrual commencement date |  |  |  |  |  | Jan. 01, 2014 |  |  |
Interest expense |  |  |  | $ 229,000 | $ 214,000 | $ 686,000 | $ 642,000 |  |
Treasury note term |  |  | 10 years |  |  |  |  |  |
Base spread on SARs liability variable rate |  |  | 2.00% |  |  |  |  |  |
SARs liability interest accrual rates | 4.273% | 4.173% |  |  |  |  |  |  |
SARs liability number of annual installments | Installments |  |  |  |  |  | 10 |  |  |
Estimated payouts description |  |  |  |  |  | Estimated payouts within the next twelve months for participants that have separated from service have been classified as current. |  |  |
Deferred Compensation Liability [Member] |  |  |  |  |  |  |  |  |
Schedule Of Accrued Expenses [Line Items] |  |  |  |  |  |  |  |  |
Estimated payouts description |  |  |  |  |  | Estimated payouts within the next twelve months for participants that have separated from service have been classified as current. |  |  |
Deferred Compensation Liability, Minimum Payout Period |  |  |  |  |  | 2 years |  |  |
Deferred Compensation Liability, Maximum Payout Period |  |  |  |  |  | 15 years |  |  |
Fair value of deferred compensation plan assets |  |  |  |  |  | 110.00% |  |  |

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- Definition The amount the Company may, in its sole and absolute discretion, elect to withdraw at any time all or a portion of the amount by which the fair market value of the Deferred Compensation Plan's assets exceeds the stated percentage of the aggregate amount credited to the Deferred Compensation Plan's participants' accounts. + References No definition available. + Details
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- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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