Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash Flows from Operating Activities:
Net Income	$ 13,196	$ 12,160
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Provision for Loan Losses	1,070	345
Depreciation and Amortization	3,114	3,266
Allocation of ESOP Stock	367	349
Gains on the Sale of Securities Available-for-Sale	(144)	(106)
Loans Originated and Held-for-Sale	(12,432)	(10,626)
Proceeds from the Sale of Loans Held-for-Sale	10,628	7,620
Net Gains on the Sale of Loans	(338)	(252)
Net Losses on the Sale of Premises and Equipment, Other Real Estate Owned and Repossessed Assets	47	112
Contributions to Retirement Benefits Plans	(370)	(416)
Deferred Income Tax Benefit	(403)	297
Shares Issued Under the Directors' Stock Plan	104	118
Stock-Based Compensation Expense	145	157
Net (Increase) Decrease in Other Assets	(2,719)	(1,777)
Net Increase (Decrease) in Other Liabilities	2,734	2,458
Net Cash Provided By Operating Activities	14,999	13,705
Cash Flows from Investing Activities:
Proceeds from the Sale of Securities Available-for-Sale	10,568	21,426
Proceeds from the Maturities and Calls of Securities Available-for-Sale	43,780	55,976
Purchases of Securities Available-for-Sale	(10,920)	(104,488)
Proceeds from the Maturities and Calls of Securities Held-to-Maturity	33,809	30,084
Purchases of Securities Held-to-Maturity	(57,572)	(52,815)
Net Increase in Loans	(97,100)	(64,241)
Proceeds from the Sales of Premises and Equipment, Other Real Estate Owned and Repossessed Assets	1,438	820
Purchase of Premises and Equipment	(527)	(1,136)
Proceeds from Divestiture of Interest in Consolidated Subsidiaries	48	0
Net Decrease in Other Investments	(1,122)	(1,619)
Net Cash Used In Investing Activities	(77,598)	(115,993)
Cash Flows from Financing Activities:
Net Increase in Deposits	41,962	69,536
Net Decrease in Short-Term Borrowings	38,324	(36,148)
Proceeds from Federal Home Loan Bank Borrowings	0	74,500
Purchase of Treasury Stock	(1,648)	(762)
Stock Options Exercised, Net	1,321	70
Shares Issued Under the Employee Stock Purchase Plan	250	249
Tax Benefit from Exercise of Stock Options	46	0
Shares Issued for Dividend Reinvestment Plans	874	0
Cash Dividends Paid	(6,483)	(6,315)
Net Cash (Used In) Provided By Financing Activities	74,646	101,130
Net Increase in Cash and Cash Equivalents	12,047	(1,158)
Cash and Cash Equivalents at Beginning of Period	51,068	46,295
Cash and Cash Equivalents at End of Period		45,137
Supplemental Disclosures to Statements of Cash Flow Information:
Interest on Deposits and Borrowings	2,545	2,297
Income Taxes	6,241	4,860
Non-cash Investing and Financing Activity:
Transfer of Loans to Other Real Estate Owned and Repossessed Assets	$ 394	$ 756