Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Activities:
Net (loss) income	$ (16,747)	$ 108,078
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Provision (benefit) for credit losses	188,845	(25,750)
Deferred income tax (benefit) expense	(28,543)	13,192
Stock-based compensation expense	9,003	2,965
Depreciation and amortization of property and equipment and intangible assets	16,784	10,351
(Accretion) and amortization of net discounts / premiums on earning assets and borrowings	(19,854)	35,583
Amortization of low-income housing tax credit investments	10,377	1,205
Amortization of mortgage servicing assets	570	1,490
Reduction of right-of-use lease assets	7,928	58
Net (gain) loss on sale, net of write-downs, of foreclosed properties and repossessed assets	(103)	29
Net loss on sale, net of write-downs, of property and equipment	1,662	197
Originations of loans held for sale	(23,056)	(81,361)
Proceeds from sale of loans held for sale	26,753	79,308
Net (gain) on mortgage banking activities	(397)	(2,109)
Net (gain) on sale of loans not originated for sale	(1,816)	(191)
(Increase) in cash surrender value of life insurance policies	(6,732)	(3,533)
(Gain) from life insurance policies	(38)	(410)
Net decrease in derivative contract assets and liabilities	215,423	128,550
Net (increase) decrease in accrued interest receivable and other assets	(69,651)	1,046
Net (decrease) increase in accrued expenses and other liabilities	(95,151)	(39,873)
Net cash provided by operating activities	215,257	228,825
Investing Activities:
Purchases of available-for-sale securities	(714,208)	(291,386)
Proceeds from principal payments, maturities, and calls of available-for-sale securities	283,474	255,362
Purchases of held-to-maturity securities	(456,139)	(356,624)
Proceeds from principal payments, maturities, and calls of held-to-maturity securities	280,080	343,825
Net decrease (increase) in Federal Home Loan Bank and Federal Reserve Bank stock	16,215	(80)
Alternative investments (capital calls), net of distributions	(5,661)	(3,526)
Net (increase) decrease in loans	(674,472)	302,554
Proceeds from sale of loans not originated for sale	51,127	16,787
Proceeds from sale of foreclosed properties and repossessed assets	231	44
Proceeds from sale of property and equipment	0	250
Additions to property and equipment	(4,644)	(3,680)
Proceeds from life insurance policies	7,793	1,100
Net cash paid for acquisition of Bend	(54,407)	0
Net cash received in merger with Sterling	513,960	0
Net cash (used for) provided by investing activities	(756,651)	264,626
Financing Activities:
Net increase in deposits	1,235,442	1,145,364
Proceeds from Federal Home Loan Bank advances	0	80,470
Repayments of Federal Home Loan Bank advances	(94)	(75,080)
Net (decrease) in securities sold under agreements to repurchase and other borrowings	(183,347)	(496,977)
Dividends paid to common shareholders	(36,234)	(36,108)
Dividends paid to preferred shareholders	(1,969)	(1,969)
Exercise of stock options	411	3,314
Common stock repurchase program	(122,205)	0
Common shares acquired related to stock compensation plan activity	(18,967)	(3,908)
Net cash provided by financing activities	873,037	615,106
Net increase in cash and cash equivalents	331,643	1,108,557
Cash and cash equivalents at beginning of period	461,570	263,104
Cash and cash equivalents at end of period	793,213	1,371,661
Supplemental disclosure of cash flow information:
Interest paid	15,457	16,638
Income taxes paid	7,112	3,355
Non-cash investing and financing activities:
Transfer of loans and leases to foreclosed properties and repossessed assets	213	151
Transfer of loans from portfolio to loans-held-for-sale	42,431	16,587
Sterling
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Provision (benefit) for credit losses	175,100
Non-cash investing and financing activities:
Tangible assets acquired	27,434,111	0
Goodwill and other intangible assets	2,149,532	0
Common stock issued	5,041,182	0
Liabilities assumed	24,403,343	0
Sterling | Preferred Stock
Non-cash investing and financing activities:
Preferred stock exchanged	138,942	0
Bend Financial, Inc.
Non-cash investing and financing activities:
Tangible assets acquired	16,597	0
Goodwill and other intangible assets	$ 38,966	0
Liabilities assumed		$ 0