UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net income	$ 55,037	$ 50,368
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	3,000	1,250
Depreciation and amortization	1,849	1,971
Net amortization of securities premiums and discounts	341	1,133
Increase in cash surrender value of BOLI	(1,666)	(1,616)
Decrease /(increase) in deferred income taxes, net	2,356	(456)
Loss/(gains) on sale of securities available-for-sale	2,985	(2,554)
Net changes in:
Other assets	(2,362)	(8,772)
Other liabilities	18,134	10,738
Net cash provided by operating activities	79,674	52,062
Cash flows from investing activities:
Net change in loans held for investment	(86,401)	(39,956)
Purchase of available-for-sale securities	(10,135)	(257,228)
Purchase of held-to-maturity securities	(168,634)	(194,332)
Proceeds from sales, maturities, calls and pay downs of available-for-sale securities	62,979	397,454
Proceeds from maturities, calls and pay downs of held-to-maturity securities	52,884	29,042
Purchase of premises and equipment	(3,318)	(1,001)
Purchase of other investments	(5,300)	(4,516)
Redemption of other investments	0	2,556
Proceeds from bank-owned life insurance	511	0
Proceeds from sale of assets	73	635
Net cash used in investing activities	(157,341)	(67,346)
Cash flows from financing activities:
Net increase in deposits	269,105	508,127
Cash dividends paid	(6,110)	(5,915)
Net cash used in share repurchase of common stock	(17,905)	0
Net provided by financing activities	245,090	502,212
Net change in cash and cash equivalents	167,423	486,928
Cash and cash equivalents, beginning of period	715,460	383,837
Cash and cash equivalents, end of period	882,883	870,765
Supplemental disclosures of cash flow information:
Cash paid for interest	3,832	4,369
Income taxes paid	11,451	22,530
Supplemental disclosures of non-cash transactions:
Investment securities available-for-sale transferred to held-to-maturity	0	316,925
Lease Liabilities Arising from Obtaining Right-of-Use Assets	$ 0	$ 302