Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating Activities:
Net Income	$ 14,122	$ 13,549
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and Amortization	709	692
Net Amortization of Investment Security Premiums & Discounts	125	115
Amortization of Core Deposit Intangible	157	160
Accretion of Discount on Acquired Loans	(90)	(5)
Net Gain on Sale of Investment Securities	(13)	0
Net Change in Operating Assets & Liabilities:
Net Decrease in Interest Receivable and Other Assets	8,718	6,456
Net Decrease in Interest Payable and Other Liabilities	(3,417)	(2,080)
Net Cash Provided by Operating Activities	20,311	18,887
Investing Activities:
Purchase of Investment Securities Available-for-Sale	(67,661)	(155,798)
Proceeds from Sold, Matured or Called Securities Available-for-Sale	57,595	138,952
Purchase of Investment Securities Held-to-Maturity	(2,380)	(2,025)
Proceeds from Matured or Called Securities Held-to-Maturity	3,904	1,160
Net Loans & Leases Paid, Originated or Acquired	2,743	6,877
Principal Collected on Loans & Leases Previously Charged Off	77	42
Additions to Premises and Equipment, Net	(1,352)	(449)
Purchase of Other Investments	(2,289)	(608)
Net Cash Used in Investing Activities	(9,363)	(11,849)
Financing Activities:
Net Decrease in Deposits	(22,746)	(54,792)
Net Cash Used in Financing Activities	(22,746)	(54,792)
Net Change in Cash and Cash Equivalents	(11,798)	(47,754)
Cash and Cash Equivalents at Beginning of Period	294,758	145,564
Cash and Cash Equivalents at End of Period	282,960	97,810
Supplementary Data
Cash Payments Made for Income Taxes	3	0
Issuance of Common Stock to the Bank's Non-Qualified Retirement Plans	403	2,564
Interest Paid	3,628	2,128
Supplementary Noncash Disclosure
Lease Liabilities Arising from Obtaining Right-of-Use Assets	0	4,729
Security (purchases) sales settled in subsequent period	$ 0	$ 25,000