Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash Flows From Operating Activities
Net income	$ 148,322	$ 128,134
Adjustments to reconcile net income to net cash provided by operating activities
Provision for loan and lease losses	1,879	12,980
Stock-based compensation expense	6,827	6,231
Depreciation, amortization and accretion	26,150	25,807
Investment securities (gain) loss, net	2,132	(73)
Net realized (gain) loss on sale of premises and equipment and loans held for investment	6,787	(142)
Net realized (gain) loss on sale and valuation adjustments of OREO	602	(1,299)
Gain on bank owned life insurance death benefit	2,975	0
Originations of loans held for sale	134,634	103,614
Proceeds from sales of loans held for sale	123,447	104,105
Net change in:
Interest receivable	(3,180)	(7,595)
Interest payable	632	618
Other assets	(31,840)	(2,599)
Other liabilities	29,706	5,662
Net cash provided by operating activities	154,813	171,243
Cash Flows From Investing Activities
Loans originated, net of principal collected (1)	(305,581)	(121,413)	[1]
Purchases of debt securities available for sale	(649,133)	(606,052)
Purchases of loans held for investment (1)	(57,075)	(46,969)	[1]
Purchases of premises and equipment	(5,833)	(8,253)
Payments to Acquire Federal Home Loan Bank Stock	(190,800)	(136,120)
Proceeds from sales of debt securities available for sale	259,554	32,330
Proceeds from principal repayments and maturities of debt securities available for sale	287,479	311,956
Proceeds from Sales of Assets, Investing Activities	7,735	14,956
Proceeds from redemption of Federal Home Loan Bank Stock	187,080	129,920
Proceeds from sales of other real estate and other personal property owned	6,433	5,868
Proceeds from Life Insurance Policy	0	5,074
Net cash used in investing activities	(460,141)	(418,703)
Cash Flows From Financing Activities
Net increase in deposits	397,893	72,151
Net increase (decrease) in sweep repurchase agreements (2)	(36,605)	8,138	[2]
Proceeds from Federal Home Loan Bank advances	4,770,000	3,403,000
Proceeds from FRB borrowings	36,000	5,010
Proceeds from Other Debt	100	0
Proceeds from exercise of stock options	2,025	1,857
Repayment of Federal Home Loan Bank advances	(4,677,000)	(3,248,000)
Repayment of FRB borrowings	36,000	5,010
Repayments of Other Debt	(100)	0
Repayments of junior subordinated debt	0	8,248
Repayment of term repurchase agreement (2)	0	(25,000)	[2]
Payment of common stock dividends	(81,822)	(54,149)
Purchase and retirement of common stock	(45,380)	0
Payment, Tax Withholding, Share-based Payment Arrangement	2,765	2,660
Net cash provided by financing activities	326,346	147,089
Increase (decrease) in cash and cash equivalents	21,018	(100,371)
Cash and cash equivalents at beginning of period	277,587	342,533
Cash and cash equivalents at end of period	298,605	242,162
Supplemental Information:
Cash paid for interest	27,623	11,699
Cash paid for income tax	33,134	12,768
Non-cash investing and financing activities
Loans transferred to other real estate owned	386	1,200
Premises and equipment expenditures incurred but not yet paid	152	464
Change in dividends payable on unvested shares	$ 252	$ 6

[1] Revised from amounts previously reported to correct an immaterial misclassification of $47.0 million of purchases of loans held for investment within loans originated, net of principal collected, for the nine months ended September 30, 2018. There were no changes to net cash flows from operating, investing or financing activities as a result of this change.

[2] Revised from amounts previously reported to correct an immaterial misclassification of a $25.0 million repayment of the term repurchase agreement within net increase (decrease) in sweep repurchase agreements for the nine months ended September 30, 2018. There were no changes to net cash flows from operating, investing or financing activities as a result of this change.