Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income	$ 19,757	$ 25,344
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion	(1,572)	(6,796)
Reversal of provision for credit losses	(3,577)	(7,199)
Stock-based compensation expense	950	870
Amortization of intangible assets	704	797
Origination of mortgage loans held for sale	(5,833)	(32,254)
Proceeds from sale of mortgage loans held for sale	6,408	31,755
Bank owned life insurance income	(1,695)	(656)
Valuation adjustment on interest rate swaps	(53)	(244)
Gain on sale of mortgage loans held for sale, net	(241)	(1,370)
Gain on sale of investment securities, net	0	(29)
Gain on sale of assets held for sale	(204)	(22)
Other	(3,716)	(1,115)
Net cash provided by operating activities	10,928	9,081
Cash flows from investing activities:
Loan originations and purchases, net of payments	(988)	(117,892)
Maturities and repayments of investment securities available for sale	42,327	62,675
Maturities and repayments of investment securities held to maturity	6,644	0
Purchase of investment securities available for sale	(244,409)	(166,038)
Purchase of investment securities held to maturity	(45,849)	0
Proceeds from sales of investment securities available for sale	0	1,248
Purchase of premises and equipment	(724)	(475)
Proceeds from sales of assets held for sale	1,173	1,731
Purchases of Federal Home Loan Bank stock	(983)	(1,272)
Purchases of bank owned life insurance	(105)	(105)
Capital contributions to low-income housing tax credit partnerships	0	(12,617)
Net cash used by investing activities	(242,914)	(232,745)
Cash flows from financing activities:
Net increase in deposits	97,210	421,708
Common stock cash dividends paid	(7,372)	(7,183)
Net (decrease) increase in securities sold under agreement to repurchase	(1,770)	820
Repurchase of common stock	(2,652)	(687)
Net cash provided by financing activities	85,416	414,658
Net (decrease) increase in cash and cash equivalents	(146,570)	190,994
Cash and cash equivalents at beginning of period	1,723,292	743,322
Cash and cash equivalents at end of period	1,576,722	934,316
Supplemental disclosures of cash flow information:
Cash paid for interest	1,555	1,889
Cash paid for income taxes, net of refunds	0	64
Investment in LIHTC partnership and related funding commitment	670	0
Right of use assets obtained in exchange for new operating lease liabilities	55	7,381
Purchase of investment securities available for sale not settled	$ 0	$ 5,000

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