Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating Activities
Net Income	$ 58,480	$ 69,389
Provision for credit losses	6,063	1,023
Deferred tax expense	1,240	2,863
Depreciation and amortization	5,159	5,931
Net gains on securities and other assets	(6,730)	(13,205)
Net amortization of premiums and discounts on securities	1,131	2,588
Income from increase in cash surrender value of bank owned life insurance	(2,891)	(3,132)
Decrease in interest receivable	747	3,697
Mortgage loans originated for sale	(106,160)	(210,746)
Proceeds from sale of mortgage loans	109,533	231,321
Increase (decrease) in interest payable	119	(357)
Decrease in income taxes payable	(7,587)	(1,870)
Increase (Decrease) in Other Operating Assets and Liabilities, Net	(1,265)	14,178
Net cash provided by operating activities	60,369	73,324
Investing Activities
Payments to Acquire Held-to-maturity Securities	(200)	(312,247)
Proceeds from maturities and redemptions of available-for-sale securities	88,001	285,216
Proceeds from sale and maturity of held-to-maturity securities	48,863	59,170
Purchases of available-for-sale securities	0	(560,180)
Purchases of FHLB stock	(1,321)	(2,134)
Proceeds from the redemption of FHLB stock	494	2,834
Proceeds from Life Insurance Policy	3,058	3,097
Proceeds from Sale of Loans Receivable	36,159	33,824
Proceeds from sale of other assets	3,168	4,979
Net increase in loans and leases	(315,444)	(17,885)
Payments for Purchase of Other Assets	(7,360)	(3,909)
Net cash used in investing activities	(144,582)	(507,235)
Financing Activities
Net decrease in other short-term borrowings	(49,392)	(10,001)
Net increase in deposits	71,073	446,426
Repayments of other long-term debt	(352)	(50,339)
Repayments of Long-term Capital Lease Obligations	(246)	(230)
Payments of Dividends	(22,167)	(21,641)
Proceeds from reissuance of treasury stock	245	222
Purchase of treasury stock	(10,520)	(2,654)
Net cash (used in) provided by financing activities	(11,359)	361,783
Net decrease in cash and cash equivalents	(95,572)	(72,128)
Cash and cash equivalents at January 1	395,372	356,581
Cash and cash equivalents at June 30	$ 299,800	$ 284,453