Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash Flows from Operating Activities:
Net Income	$ 26,559	$ 17,286
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Provision for Credit Losses	(385)	5,812
Depreciation and Amortization	3,952	3,499
Net (Gain) Loss on Securities Transactions	(356)	480
Loans Originated and Held-for-Sale	(40,854)	(33,590)
Proceeds from the Sale of Loans Held-for-Sale	51,987	22,493
Net Gain on the Sale of Loans	(2,040)	(760)
Net Loss (Gain) on the Sale of Premises and Equipment, Other Real Estate Owned and Repossessed Assets	45	(97)
Contributions to Retirement Benefit Plans	(291)	(370)
Deferred Income Tax Benefit	(9)	(1,742)
Shares Issued Under the Directors’ Stock Plan	189	125
Stock-Based Compensation Expense	207	209
Tax Benefit from Exercise of Stock Options	41	33
Net Increase in Other Assets	(842)	(1,086)
Net Increase in Other Liabilities	1,890	3,564
Net Cash Provided By Operating Activities	40,093	15,856
Cash Flows from Investing Activities:
Proceeds from the Maturities and Calls of Securities Available-for-Sale	53,087	42,640
Purchases of Securities Available-for-Sale	(130,481)	(56,832)
Proceeds from the Maturities and Calls of Securities Held-to-Maturity	17,281	16,186
Purchases of Securities Held-to-Maturity	(3,704)	(5,006)
Net Increase in Loans	(59,778)	(164,764)
Proceeds from the Sales of Premises and Equipment, Other Real Estate Owned and Repossessed Assets	877	804
Purchase of Premises and Equipment	(2,404)	(2,040)
Net (Increase) Decrease in FHLB and Federal Reserve Bank Stock	(31)	4,743
Net Cash Used By Investing Activities	(125,153)	(164,269)
Cash Flows from Financing Activities:
Net Increase in Deposits	203,307	452,719
Net Decrease in Short-Term Federal Home Loan Bank Borrowings	0	(130,000)
Net Decrease in Short-Term Borrowings	(14,394)	(3,500)
Finance Lease Payments	(24)	(15)
Federal Home Loan Bank Advances	0	40,000
Repayments of Federal Home Loan Bank Term Advances	0	(20,000)
Purchase of Treasury Stock	(190)	(1,507)
Stock Options Exercised, Net	525	408
Shares Issued Under the Employee Stock Purchase Plan	246	265
Shares Issued for Dividend Reinvestment Plans	911	892
Cash Dividends Paid	(8,084)	(7,800)
Net Cash Provided By Financing Activities	182,297	331,462
Net Increase in Cash and Cash Equivalents	97,237	183,049
Cash and Cash Equivalents at Beginning of Period	380,991	70,221
Cash and Cash Equivalents at End of Period	478,228	253,270
Supplemental Disclosures to Statements of Cash Flow Information:
Interest on Deposits and Borrowings	3,038	8,896
Income Taxes	6,960	5,044
Non-cash Investing and Financing Activity:
Transfer of Loans to Other Real Estate Owned and Repossessed Assets	$ 713	$ 133