Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash Flows from Operating Activities:
Net Income	$ 21,255	$ 19,934
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Provision for Loan Losses	1,580	1,550
Depreciation and Amortization	4,247	4,605
Allocation of ESOP Stock	0	510
Net Gains on the Sale of Securities Available-for-Sale	(10)	(144)
Loans Originated and Held-for-Sale	(14,890)	(20,025)
Proceeds from the Sale of Loans Held-for-Sale	14,481	19,557
Net Gains on the Sale of Loans	(431)	(649)
Net Losses on the Sale of Premises and Equipment, Other Real Estate Owned and Repossessed Assets	197	120
Contributions to Retirement Benefit Plans	(640)	(534)
Deferred Income Tax Benefit	(20)	(464)
Shares Issued Under the Directors’ Stock Plan	126	112
Stock-Based Compensation Expense	261	215
Tax Benefit from Exercise of Stock Options	112	0
Net Increase in Other Assets	(1,689)	(3,045)
Net Increase in Other Liabilities	1,819	3,427
Net Cash Provided By Operating Activities	26,398	25,169
Cash Flows from Investing Activities:
Proceeds from the Sale of Securities Available-for-Sale	10,015	10,568
Proceeds from the Maturities and Calls of Securities Available-for-Sale	43,617	65,965
Purchases of Securities Available-for-Sale	(22,503)	(10,920)
Proceeds from the Maturities and Calls of Securities Held-to-Maturity	39,062	42,295
Purchases of Securities Held-to-Maturity	(36,018)	(60,786)
Net Increase in Loans	(156,643)	(133,616)
Proceeds from the Sales of Premises and Equipment, Other Real Estate Owned and Repossessed Assets	830	1,743
Purchase of Premises and Equipment	(1,335)	(1,083)
Proceeds from the Sale of a Subsidiary, Net	72	72
Net Decrease in Other Investments	4,208	3,468
Net Cash Used By Investing Activities	(118,695)	(82,294)
Cash Flows from Financing Activities:
Net Increase in Deposits	190,570	182,764
Net Increase (Decrease) in Short-Term Federal Home Loan Bank Borrowings	(90,000)	(82,000)
Net Increase (Decrease) in Short-Term Borrowings	25,583	15,416
Purchase of Treasury Stock	(2,767)	(1,826)
Stock Options Exercised, Net	734	1,775
Shares Issued Under the Employee Stock Purchase Plan	351	358
Tax Benefit from Exercise of Stock Options	0	63
Shares Issued for Dividend Reinvestment Plans	1,256	1,302
Cash Dividends Paid	(10,119)	(9,736)
Net Cash Provided By Financing Activities	115,608	108,116
Net Increase in Cash and Cash Equivalents	23,311	50,991
Cash and Cash Equivalents at Beginning of Period	57,355	51,068
Cash and Cash Equivalents at End of Period	80,666	102,059
Supplemental Disclosures to Statements of Cash Flow Information:
Interest on Deposits and Borrowings	5,168	3,932
Income Taxes	8,404	9,761
Non-cash Investing and Financing Activity:
Transfer of Loans to Other Real Estate Owned and Repossessed Assets	$ 1,055	$ 856