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Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Detail) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Deferred tax assets:    
Net operating losses $ 27,328,000 $ 23,926,000
Foreign tax credits 16,091,000 16,800,000
Other 20,153,000 16,335,000
Gross deferred tax assets 63,572,000 57,061,000
Valuation allowances (38,247,000) (40,630,000)
Total deferred tax assets 25,325,000 16,431,000
Deferred tax liabilities:    
Goodwill and other intangibles (48,279,000) (1,202,000)
Property and equipment (12,702,000) (998,000)
Other (5,406,000) (6,947,000)
Total deferred tax liabilities (66,387,000) (9,147,000)
Net deferred tax liabilities $ (41,062,000)  
Net deferred tax assets   $ 7,284,000