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Executive Nonqualified Defined Benefit Plan - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items] |  |  |
Vesting period | 6 years |  |
Discount rate for benefit obligation and net periodic service cost | 4.25% | 3.25% | 4.00%
Insurance policy value | $ 1,962 | $ 1,466 |
Contribution to 401K plan | 191 | 161 | 136
Initial Employee Contribution |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Percentage of employee contributions | 50.00% |  |
Percentage of employee compensation | 2.00% |  |
Chief Executive Officer |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Annual retirement payment | 300,000 |  |
W.E.T |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Underfunded defined benefit plan | $ 3,679 | $ 3,844 |

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- Definition Defined Benefit Plan Vesting Period + References No definition available. + Details
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- Definition A type of defined benefit plan that does not include any plan assets to pay for future pension benefit obligations. + References No definition available. + Details
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- Definition Percentage Of Eligible Employee Compensation + References No definition available. + Details
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- Definition Percentage Of Employees Contributions Maximum + References No definition available. + Details
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- Definition The interest rate used to adjust for the time value of money. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Details
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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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- Definition This item represents the amount that could be realized under a life insurance contract or contracts owned by the Entity as of the date of the statement of financial position. Such Entity-owned life insurance policies are commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 12 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 30 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6384206&loc=d3e41899-111602 + Details
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- Definition The amount of cash or cash equivalents contributed during the reporting period by the entity to fund non-pension postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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