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Income Taxes - Schedule of Reconciliation of Income Tax Provision and Statutory Rate (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Tax expense at statutory rate $ 2,802 $ 524 $ 494
Increase (decrease) in tax resulting from:      
State income tax, net of federal benefit (707) 1,337 367
Change in uncertain tax position reserves (236) 73 465
Permanent differences related to divestitures (4,201) 7,048  
Other Permanent differences (842) 693 1,026
Impact of rate differences and adjustments 884 57 (20)
United States tax credits and incentives (2,124) (354) (240)
Foreign tax credits and incentives (1,386) (1,088)  
Change in valuation allowance 198 1,521 1,044
Revaluation of deferred tax assets and liabilities     (4,819)
Net deemed distribution on repatriation of foreign earnings   (1,713) 6,426
Foreign withholding taxes on repatriation of foreign earnings 646 666  
Earnout income   (69) (1,779)
Domestic production activities deduction     (235)
Intangible asset and goodwill impairment     1,789
Net effect GILTI and FDII 399 (172)  
Other 204 1,095 (80)
Income tax provision from continuing operations $ (4,363) $ 9,618 $ 4,438