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Income Tax (Narrative) (Details) - USD ($) |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2007 | Jan. 01, 2007 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |
Valuation allowance |  |  | $ 11,530,000 | $ 15,936,000 |  |  |  |
Net deferred tax asset, noncurrent |  |  | 25,649,000 | 22,267,000 | [1] |  |  |
Alternative minimum tax carry forwards |  |  | 540,000 | 3,540,000 |  |  |  |
Income taxes paid |  |  | 8,553,000 | 6,407,000 | [1] | $ 5,903,000 | [1] |
Accrued income taxes, current judgment |  |  | 2,500,000 |  |  |  |  |
Gross tax benefits | $ 11,400,000 | $ 10,800,000 | 11,022,000 | 3,760,000 |  | 2,160,000 |  | $ 2,171,000
Increase (decrease) to unrecognized tax interest |  |  | 500,000 | 3,600,000 |  | 1,400,000 |  |
Unrecognized tax benefits | 2,300,000 | 1,700,000 |  |  |  |  |  |
Unrecognized tax interest |  |  | 5,900,000 | 5,400,000 |  | 1,800,000 |  |
Uncertain tax position probable changes in next 12 months |  |  | 1,500,000 | 500,000 |  |  |  |
Unrecognized tax benefits – net | $ 11,400,000 | $ 10,800,000 | 11,022,000 | $ 3,760,000 |  | $ 2,160,000 |  | $ 2,171,000
United States [Member] |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |
Alternative minimum tax carry forwards |  |  | 1,100,000 |  |  |  |  |
New Zealand [Member] |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |
Net operating loss carry forwards |  |  | 17,500,000 |  |  |  |  |
Puerto Rico [Member] |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |
Net operating loss carry forwards |  |  | 14,100,000 |  |  |  |  |
New York [Member] |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |
Net operating loss carry forwards |  |  | 45,000,000 |  |  |  |  |
New York City [Member] |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |
Net operating loss carry forwards |  |  | $ 40,000,000 |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |
Ownership percentage |  |  | 20.00% |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |
Ownership percentage |  |  | 50.00% |  |  |  |  |
[1] | Certain prior period amounts have been reclassified to conform to the current period presentation (see Note 2 - Significant Accounting Policies - Reclassifications).

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- Definition Amount after allocation of valuation allowances of noncurrent deferred tax asset attributable to deductible temporary differences and carryforwards. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31931-109318 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31928-109318 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31958-109318 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31917-109318 + Details
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