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Income Taxes (Narrative) (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Income Tax Disclosure [Line Items] |  |  |  |  |
Valuation allowance | $ 10,593,000 | $ 11,530,000 | [1] |  |
Net deferred tax asset | 28,667,000 | 24,584,000 | [1] |  |
Alternative minimum tax carry forwards | 1,690,000 | 540,000 | [1] |  |
Accrued income taxes, current judgment | 2,600,000 |  |  |  |
Increase (decrease) to unrecognized tax interest | 400,000 | 500,000 |  |  |
Unrecognized tax interest | 6,300,000 | 5,900,000 |  |  |
Impact of effective tax rate if recognized | 10,000,000 | 9,400,000 |  |  |
Uncertain tax position probable changes in next 12 months | 1,500,000 | 500,000 |  |  |
Unrecognized tax benefits – net | 11,480,000 | $ 11,022,000 |  | $ 3,760,000 | $ 2,160,000
United States [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Alternative minimum tax carry forwards | 2,000,000 |  |  |  |
New Zealand [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Net operating loss carry forwards | 12,000,000 |  |  |  |
Puerto Rico [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Net operating loss carry forwards | 14,100,000 |  |  |  |
New York State [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 |  |  |  |
[1] | December 31, 2015 balances included the restatement impact as a result of a change in accounting principle (see Note 2 - Summary of Significant Accounting Policies - Accounting Changes)

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