Taxes on Income (Temporary Differences That Give Rise to the Deferred Tax Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Provision for loan losses	$ 10,976	$ 10,291
Net operating loss carryforward	380	858
Write-down on other real estate		57
Nonaccrual loan interest	510	603
Deferred compensation & profit sharing accrual	782	711
Investments	306	311
Section 597 gain - FDIC-assisted acquistion	388	472
Accrued expenses	859	1,013
Loan purchase accounting adjustment	1,392	2,725
Stock-based compensation	805	629
Other	659	(2)
Total deferred tax assets	17,057	17,668
Deferred tax liabilities:
Accumulated depreciation	(2,966)	(2,877)
Amortizable assets	(933)	(1,089)
Dividend - Equity vs. Cost Method	(471)	(393)
Prepaid expenses	(110)	(109)
FHLB stock dividends	(65)	(132)
Total deferred tax liabilities	(4,545)	(4,600)
Deferred taxes payable on investment securities available for sale	643	885
Net deferred tax assets	$ 13,155	$ 13,953