Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash Flows from Operating Activities:
Net Income	$ 8,531	$ 6,631
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Provision for Loan Losses	746	358
Depreciation and Amortization	1,199	1,524
Net Unrealized Gains on Equity Securities	(18)	0
Loans Originated and Held-for-Sale	(12,326)	(2,186)
Proceeds from the Sale of Loans Held-for-Sale	12,520	1,818
Net Gains on the Sale of Loans	(38)	(45)
Net Losses on the Sale of Premises and Equipment, Other Real Estate Owned and Repossessed Assets	32	7
Contributions to Retirement Benefit Plans	(134)	(165)
Deferred Income Tax Benefit	(220)	(82)
Shares Issued Under the Directors’ Stock Plan	0	22
Stock-Based Compensation Expense	89	83
Tax Benefit from Exercise of Stock Options	112	45
Net Increase in Other Assets	(395)	(886)
Net Increase in Other Liabilities	2,185	2,817
Net Cash Provided By Operating Activities	12,283	9,941
Cash Flows from Investing Activities:
Proceeds from the Maturities and Calls of Securities Available-for-Sale	9,380	11,826
Purchases of Securities Available-for-Sale	(19,979)	(12,324)
Proceeds from the Maturities and Calls of Securities Held-to-Maturity	6,459	10,474
Purchases of Securities Held-to-Maturity	(921)	(556)
Net Increase in Loans	(42,968)	(57,637)
Proceeds from the Sales of Premises and Equipment, Other Real Estate Owned and Repossessed Assets	437	304
Purchase of Premises and Equipment	(627)	(247)
Proceeds from the Sale of a Subsidiary, Net	0	23
Net Decrease in Other Investments	5,169	4,086
Net Cash Used By Investing Activities	(43,050)	(44,051)
Cash Flows from Financing Activities:
Net Increase in Deposits	166,157	139,990
Net Decrease in Short-Term Federal Home Loan Bank Borrowings	(105,000)	(91,000)
Net Increase (Decrease) in Short-Term Borrowings	9,991	(3,801)
Repayments of Federal Home Loan Bank Term Advances	(10,000)	0
Purchase of Treasury Stock	(619)	(1,176)
Stock Options Exercised, Net	610	388
Shares Issued Under the Employee Stock Purchase Plan	116	106
Shares Issued for Dividend Reinvestment Plans	431	425
Cash Dividends Paid	(3,485)	(3,374)
Net Cash Provided By Financing Activities	58,201	41,558
Net Increase in Cash and Cash Equivalents	27,434	7,448
Cash and Cash Equivalents at Beginning of Period	72,838	57,355
Cash and Cash Equivalents at End of Period	100,272	64,803
Supplemental Disclosures to Statements of Cash Flow Information:
Interest on Deposits and Borrowings	1,949	1,539
Income Taxes	390	294
Non-cash Investing and Financing Activity:
Transfer of Loans to Other Real Estate Owned and Repossessed Assets	$ 270	$ 359