UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income	$ 35,501	$ 32,866
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	1,500	1,250
Depreciation and amortization	1,270	1,318
Net amortization of securities premiums and discounts	275	797
Increase in cash surrender value of BOLI	(1,102)	(1,067)
Increase in deferred income taxes, net	(1,127)	(1,178)
Gains on sale of securities available-for-sale	(2)	(2,554)
Net changes in:
Other assets	(7,797)	(18,274)
Other liabilities	22,823	14,280
Net cash provided by operating activities	51,341	27,438
Cash flows from investing activities:
Net change in loans held for investment	(12,568)	66,550
Purchase of available-for-sale securities	(10,090)	(257,225)
Purchase of held-to-maturity securities	(168,149)	(124,070)
Maturities/sales of available-for-sale securities	27,679	381,117
Maturities of held-to-maturity securities	36,641	13,140
Purchase of premises and equipment	(526)	(377)
Purchase of other investments	(3,440)	(1,656)
Proceeds from sale of assets	34	74
Net cash provided by investing activities	(130,419)	77,553
Cash flows from financing activities:
Net increase in deposits	129,361	351,797
Cash dividends paid	(6,110)	(5,915)
Net cash used in share repurchase of common stock	(11,845)	0
Net provided by financing activities	111,406	345,882
Net change in cash and cash equivalents	32,328	450,873
Cash and cash equivalents, beginning of period	715,460	383,837
Cash and cash equivalents, end of period	747,788	834,710
Supplemental disclosures of cash flow information:
Cash paid for interest	2,580	3,220
Income taxes paid	9,343	19,181
Supplemental disclosures of non-cash transactions:
Investment securities available-for-sale transferred to held-to-maturity	$ 0	$ 316,925