Provision for Income Taxes (Tables)

6 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Provision for Income Taxes

	Six months ended
	June 30,
	2017			2018
	(In thousands)
Expected tax expense, at the U.S. federal statutory    income tax rate of 35% in 2017 and 21% in 2018	$	3,480		$	2,430
Domestic production activities deduction		(298	)		-
State income taxes		269			396
Other, net		38			20
Total income tax expense	$	3,489		$	2,846