Taxes on Income (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Deferred tax assets, valuation allowance	$ 0		$ 0		$ 0
Provision for taxes on income	$ 1,696,000	$ 1,424,000	$ 4,989,000	$ 4,077,000
Effective income tax rate, percent	28.90%	28.81%	28.90%	28.82%