Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0000934549 (http://www.sec.gov/CIK)

Income Tax Disclosure [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31
Income Tax Disclosure [Abstract]
Schedule of Components of Income Tax Expense (Benefit)	Acacia’s provision for income taxes for the fiscal periods presented consisted of the following (in thousands):      2016   2015   2014               Current:             Federal   $ —   $ —   $ — State taxes                                                         262   379   289 Foreign taxes   17,926   4,421   5,359 Total current   18,188   4,800   5,648 Deferred:             Federal   —   —   (1,867 ) State taxes                                                         —   —   131 Total deferred   —   —   (1,736 ) Provision for income taxes   $ 18,188   $ 4,800   $ 3,912
Schedule of Deferred Tax Assets and Liabilities	The tax effects of temporary differences and carryforwards that give rise to significant portions of deferred tax assets and liabilities consist of the following at December 31, 2016 and 2015 (in thousands):     2016   2015           Deferred tax assets:         Net operating loss and capital loss carryforwards and credits   $ 83,323   $ 71,494 Stock compensation   2,416   1,385 Fixed assets and intangibles   14,343   1,359 Basis of investments in affiliates   2,195   499 Accrued liabilities and other   422   442 State taxes   90   81 Total deferred tax assets   102,789   75,260 Valuation allowance   (102,627 )   (75,179 ) Total deferred tax assets, net of valuation allowance   162   81           Deferred tax liabilities:         Fixed assets and intangibles   —   — Other   (162 )   (81 ) Total deferred tax liabilities   (162 )   (81 )           Net deferred tax assets (liabilities)   $ —   $ —
Schedule of Effective Income Tax Rate Reconciliation	A reconciliation of the federal statutory income tax rate and the effective income tax rate is as follows:     2016   2015   2014               Statutory federal tax rate - (benefit) expense   (35 )%   (35 )%   (35 )% State income and foreign taxes, net of federal tax effect   50  %   3  %   9  % Foreign tax credit   (49 )%   (3 )%   (8 )% Noncontrolling interests in operating subsidiaries   1  %   (1 )%   —  % Goodwill   —  %   7  %   —  % Nondeductible permanent items   —  %   —  %   1  % Expired capital loss carryforwards   —  %   1  %   —  % Valuation allowance   83  %   31  %   39  %     50  %   3  %   6  %
Summary of Valuation Allowance [Table Text Block]
Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block]