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Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

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Amount of contractual obligation maturing after the fifth fiscal year following the latest fiscal year.

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Amount of contractual obligation maturing in the fifth fiscal year following the latest fiscal year.

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Amount of contractual obligation maturing in the fourth fiscal year following the latest fiscal year.

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Amount of contractual obligation maturing in the next fiscal year following the latest fiscal year.

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Amount of contractual obligation maturing in the second fiscal year following the latest fiscal year.

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Amount of contractual obligation maturing in the third fiscal year following the latest fiscal year.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year 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.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth 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.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year 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.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third 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.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second 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.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth 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.

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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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-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

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Commitments and Contingencies (Details) (USD $)	12 Months Ended
Commitments and Contingencies (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract]
Rental expense	$ 6,900,000us-gaap_OperatingLeasesRentExpenseNet	$ 6,900,000us-gaap_OperatingLeasesRentExpenseNet	$ 6,900,000us-gaap_OperatingLeasesRentExpenseNet
Minimum rental commitments
2015	6,658,000
2016	4,668,000
2017	2,710,000
2018	2,218,000
2019	993,000
Thereafter	1,947,000
Minimum rental commitments under all non-cancelable leases	19,194,000
Future minimum commitments
2015	26,031,000
2016	481,000
2017	294,000
2018	30,000
2019	0
Thereafter	0
Total commitments	26,836,000us-gaap_ContractualObligation
Purchase Obligations
Future minimum commitments
2015	25,581,000
2016	31,000
2017	31,000
2018	30,000
2019	0
Thereafter	0
Total commitments	25,673,000
Debt Interest Obligations
Future minimum commitments
2015	450,000
2016	450,000
2017	263,000
2018	0
2019	0
Thereafter	0
Total commitments	$ 1,163,000