Interim Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities:
Net income before noncontrolling interests	$ 1,665,000	$ 855,000
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	75,000	258,000
Changes in fair values of equity warrant assets, net of proceeds from exercises	(36,000)	(4,000)
Changes in fair values of derivatives, net	5,000	(88,000)
Gains on investment securities, net	(661,000)	(271,000)
Distributions of earnings from non-marketable and other equity securities	166,000	65,000
Depreciation and amortization	106,000	74,000
Amortization of premiums and discounts on investment securities, net	294,000	55,000
Amortization of share-based compensation	93,000	61,000
Amortization of deferred loan fees	(193,000)	(123,000)
Deferred income tax expense (benefit)	73,000	(4,000)
Excess tax benefit from exercise of stock options and vesting of restricted shares	(34,000)	(3,000)
Losses from the write-off of premises and equipment and right-of-use assets	38,000	0
Changes in other assets and liabilities:
Accrued interest receivable and payable, net	(117,000)	15,000
Accounts receivable and payable, net	5,000	18,000
Income tax receivable and payable, net	(141,000)	(16,000)
Accrued compensation	89,000	(2,000)
Foreign exchange spot contracts, net	144,000	147,000
Proceeds from termination of interest rate swaps	0	228,000
Other, net	(442,000)	(212,000)
Net cash provided by operating activities	1,129,000	1,053,000
Cash flows from investing activities:
Purchases of AFS securities	(5,395,000)	(16,615,000)
Sales proceeds	168,000	2,654,000
Proceeds from maturities and paydowns of AFS securities	3,892,000	2,634,000
Purchases of HTM securities	(65,048,000)	(1,757,000)
Proceeds from maturities and paydowns of HTM securities	8,993,000	2,833,000
Purchases of non-marketable and other equity securities	(310,000)	(164,000)
Proceeds from sales and distributions of capital of non-marketable and other securities	587,000	85,000
Net increase in loans	(9,006,000)	(5,193,000)
Purchases of premises and equipment	(77,000)	(65,000)
Business acquisitions	1,116,000	0
Net cash used for investing activities	(65,080,000)	(15,588,000)
Cash flows from financing activities:
Net increase in deposits	60,216,000	23,015,000
Net increase in short-term borrowings	34,000	1,000
Proceeds from issuance of long-term debt	990,000	495,000
(Distributions to noncontrolling interests), net of contributions from noncontrolling interests	(70,000)	(16,000)
Net proceeds from the issuance of preferred stock	1,724,000	0
Payment of preferred stock dividend	(40,000)	(12,000)
Common stock repurchases	0	(60,000)
Proceeds from issuance of common stock, ESPP and ESOP, net of restricted stock awards	2,362,000	18,000
Net cash provided by financing activities	65,216,000	23,441,000
Net increase in cash and cash equivalents	1,265,000	8,906,000
Cash and cash equivalents at beginning of period	17,675,000	6,782,000
Cash and cash equivalents at end of period	18,940,000	15,688,000
Cash paid during the period for:
Interest	57,000	67,000
Income taxes	547,000	287,000
Noncash items during the period:
Changes in unrealized gains and losses on AFS securities, net of tax	(421,000)	393,000
Distributions of stock from investments	62,000	12,000
Transfers from AFS securities to HTM	$ 8,953,000	$ 0