Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash Flows from Operating Activities:
Net Income	$ 8,734	$ 8,531
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Provision for Loan Losses	472	746
Depreciation and Amortization	1,309	1,199
Net Gain on Securities Transactions	(76)	(18)
Loans Originated and Held-for-Sale	(4,223)	(12,326)
Proceeds from the Sale of Loans Held-for-Sale	3,718	12,520
Net Gain on the Sale of Loans	(104)	(38)
Net Loss on the Sale of Premises and Equipment, Other Real Estate Owned and Repossessed Assets	130	32
Contributions to Retirement Benefit Plans	(153)	(134)
Deferred Income Tax Benefit	(297)	(220)
Stock-Based Compensation Expense	95	89
Tax Benefit from Exercise of Stock Options	78	112
Net Increase in Other Assets	(1,565)	(395)
Net Increase in Other Liabilities	2,613	2,185
Net Cash Provided By Operating Activities	10,731	12,283
Cash Flows from Investing Activities:
Proceeds from the Maturities and Calls of Securities Available-for-Sale	21,261	9,380
Purchases of Securities Available-for-Sale	0	19,979
Proceeds from the Maturities and Calls of Securities Held-to-Maturity	5,319	6,459
Purchases of Securities Held-to-Maturity	(1,457)	(921)
Net Increase in Loans	(39,545)	(42,968)
Proceeds from the Sales of Premises and Equipment, Other Real Estate Owned and Repossessed Assets	442	437
Purchase of Premises and Equipment	(2,099)	(627)
Net Decrease in Other Investments	7,628	5,169
Net Cash Used By Investing Activities	(8,451)	(43,050)
Cash Flows from Financing Activities:
Net Increase in Deposits	144,513	166,157
Net Decrease in Short-Term Federal Home Loan Bank Borrowings	(159,500)	(105,000)
Net Increase in Short-Term Borrowings	3,748	9,991
Finance Lease Payments	(4)	0
Repayments of Federal Home Loan Bank Term Advances	(10,000)	(10,000)
Purchase of Treasury Stock	(1,392)	(619)
Stock Options Exercised, Net	535	610
Shares Issued Under the Employee Stock Purchase Plan	117	116
Shares Issued for Dividend Reinvestment Plans	453	431
Cash Dividends Paid	(3,760)	(3,485)
Net Cash (Used) Provided By Financing Activities	(25,290)	58,201
Net (Decrease) Increase in Cash and Cash Equivalents	(23,010)	27,434
Cash and Cash Equivalents at Beginning of Period	84,239	72,838
Cash and Cash Equivalents at End of Period	61,229	100,272
Supplemental Disclosures to Statements of Cash Flow Information:
Interest on Deposits and Borrowings	4,924	1,949
Income Taxes	311	390
Non-cash Investing and Financing Activity:
Transfer of Loans to Other Real Estate Owned and Repossessed Assets	$ 728	$ 270