Income Tax (Details 2) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Summary of income tax expense
Current	$ 1,785	$ 1,960	$ 1,990	$ 2,884
Deferred	(330)	(675)	(1,461)	(843)
Income tax expense	$ 1,455	$ 1,285	$ 2,280	$ 2,041

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Name:	us-gaap_DeferredIncomeTaxExpenseBenefit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration