Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating Activities
Net income	$ 48,422	$ 42,595
Items not requiring (providing) cash
Provision for (recovery of) credit losses	(1,146)	(1,125)
Depreciation and amortization	5,205	4,610
Share based compensation	1,156	826
Amortization of mortgage servicing rights	1,394	2,014
Mortgage servicing rights net impairment	(2,594)	(1,843)
Premium amortization on securities, net	6,211	4,573
Gain on sale of investment securities	0	(914)
Gain on sale of mortgage loans	(4,528)	(10,908)
Proceeds from sales of loans	162,849	256,395
Loans originated for sale	(148,685)	(239,177)
Change in cash value life insurance	(1,029)	(1,013)
Gain on sale of other real estate owned	(618)	19
Net change in:
Interest receivable	(2,859)	(306)
Interest payable	167	(282)
Other assets	(11,986)	9,895
Other liabilities	(578)	(4,581)
Net cash provided by operating activities	51,381	60,778
Investing Activities
Purchases of securities available for sale	(179,849)	(700,359)
Proceeds from sales, maturities, calls and principal repayments of securities available for sale	40,558	125,616
Purchases of securities held to maturity	(413,093)	0
Proceeds from maturities of securities held to maturity	34,747	14,617
Net change in interest earning time deposits	983	1,971
Change in FHLB stock	(2,237)	0
Net change in loans	(294,325)	343,698
Proceeds on the sale of OREO and repossessed assets	3,017	873
Premises and equipment expenditures	(3,224)	997
Proceeds from bank owned life insurance	2,910	0
Death benefit on bank owned life insurance	644	266
Net cash used in investing activities	(809,869)	(212,321)
Financing Activities
Net change in deposits	42,594	250,493
Proceeds from borrowings	533,587	3,395
Repayment of borrowings	(300,000)	(54,980)
Net change in repurchase agreements	12,896	19,178
Net settlement of share awards	(1,696)	(1,347)
Exercise of stock options	94	769
Dividends paid on common stock	(13,647)	(11,505)
Net cash provided by financing activities	273,828	206,003
Net Change in Cash and Cash Equivalents	(484,660)	54,460
Cash and Cash Equivalents, Beginning of Period	593,508	249,711
Cash and Cash Equivalents, End of Period	108,848	304,171
Additional Supplemental Information
Interest paid	8,308	10,121
Income taxes paid	650	725
Transfer of loans to other real estate and repossessed assets	$ 342	$ 601