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Operating Leases (Tables) | 12 Months Ended
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Dec. 31, 2015
Leases, Operating [Abstract] |
Future Minimum Annual Rentals | Future minimum annual rentals for the leased facilities and equipment, and the leased vehicles, are as follows:
| Leased Facilities and Equipment |  | Leased Vehicles |  | Total
2016 | $ | 95,789 |  |  | 27,599 |  |  | 123,388 |
2017 | 68,833 |  |  | 17,713 |  |  | 86,546 |
2018 | 44,949 |  |  | 7,827 |  |  | 52,776 |
2019 | 24,486 |  |  | 1,442 |  |  | 25,928 |
2020 | 11,492 |  |  | — |  |  | 11,492 |
2021 and thereafter | 1,579 |  |  | — |  |  | 1,579 |
| $ | 247,128 |  |  | 54,581 |  |  | 301,709 |
Rent Expense | Rent expense under all operating leases was as follows:
| Leased Facilities and Equipment |  | Leased Vehicles |  | Total
2015 | $ | 105,961 |  |  | 38,178 |  |  | 144,139 |
2014 | $ | 103,294 |  |  | 35,731 |  |  | 139,025 |
2013 | $ | 99,483 |  |  | 32,907 |  |  | 132,390 |

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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 + Details
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- Definition Tabular disclosure of rental expense from operating leases for each period for which an income statement is presented with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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