Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022
Operating activities:
Net income		$ 91,315	$ 89,076
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of premises and equipment, and amortization		4,829	4,489
Amortization of intangible assets		4,902	4,632
Provision for credit losses on loans		16,415	13,645
Amortization of investment securities premium, net		433	6,564
Loss on sale of investment securities		164	0
Originations of loans for resale		(33,389)	(62,192)
Proceeds from sale of loans originated for resale		35,179	66,973
Gain on sale of loans		(883)	(2,145)
Change in market value of mortgage servicing rights		215	(443)
Provision for losses on foreclosed assets		679	113
Gain on transfer of loans to foreclosed assets		(114)	(224)
Gain on sale of foreclosed assets		(38)	(22)
Operating lease expense payments		(4,840)	(4,351)
Loss (gain) on disposal of fixed assets		22	(1,069)
Increase in cash value of life insurance		(2,274)	(2,049)
Gain on life insurance death benefit		0	(309)
Loss on marketable equity securities		81	346
Equity compensation vesting expense		3,054	2,711
Change in:
Interest receivable		(2,739)	(4,384)
Interest payable		5,521	(601)
Amortization of operating lease ROUA		4,861	4,432
Other assets and liabilities, net		(21,016)	(7,201)
Net cash from operating activities		102,377	107,991
Investing activities:
Proceeds from maturities of securities available for sale		243,245	212,501
Proceeds from maturities of securities held to maturity		21,754	31,421
Proceeds from sale of available for sale securities		24,160	0
Purchases of securities available for sale		(34,468)	(699,035)
Loan origination and principal collections, net		(258,183)	(603,581)
Loans purchased		(6,423)	(21,292)
Proceeds from sale of other real estate owned		165	416
Proceeds from sale of premises and equipment		0	6,689
Purchases of premises and equipment		(3,885)	(3,130)
Proceeds from conversion of life insurance		0	641
Cash acquired from VRB, net of cash consideration paid		0	426,883
Net cash used by investing activities		(13,635)	(648,487)
Financing activities:
Net change in deposits		(319,370)	73,131
Net change in other borrowings		273,370	(3,019)
Repurchase of common stock, including tax liability for net settlement of equity awards		(9,108)	(26,844)
Dividends paid		(29,921)	(25,796)
Exercise of stock options		156	1,112
Net cash (used by) from financing activities		(84,873)	18,584
Net change in cash and cash equivalents		3,869	(521,912)
Cash and cash equivalents, beginning of period		107,230	768,421
Cash and cash equivalents, end of period		111,099	246,509
Supplemental disclosure of noncash activities:
Unrealized losses on securities available for sale		(44,738)	(317,659)
Loans transferred to held-for-sale		0	12,044
Market value of shares tendered in-lieu of cash to pay for exercise of options and/or related taxes		2,134	2,444
Obligations incurred in conjunction with leased assets		4,311	4,609
Loans transferred to foreclosed assets		105	1,131
Supplemental disclosure of cash flow activity:
Cash paid for interest expense		46,864	5,515
Cash paid for income taxes		39,800	36,000
Business combination	[1]

[1] (1) During the period ended March 31, 2022, the VRB acquisition included fair value tangible assets acquired of $1.37 billion, liabilities assumed of $1.28 billion, resulting in goodwill of $0.09 billion.