CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
OPERATING ACTIVITIES
Net (loss) income	$ (19,841)	$ 49,029
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	106,809	7,854
Provision for unfunded loan commitments	0	208
Net depreciation, amortization and accretion	1,868	2,872
Net amortization of discounts and premiums on securities	2,189	1,562
Stock-based compensation expense	473	980
Gain on sale of securities	(142)	0
Gain on the sale of mortgage loans, net	(2,433)	(683)
Mortgage loans originated for sale	(169,243)	(38,720)
Proceeds from the sale of mortgage loans	162,216	33,639
Net change in:
Interest receivable	(3,201)	(1,235)
Collateral receivable	(91,736)	0
Interest payable	(1,837)	(1,582)
Other assets	(77,724)	(11,006)
Other liabilities	61,034	15,978
Net Cash (Used in) Provided by Operating Activities	(31,568)	58,896
INVESTING ACTIVITIES
Purchases of securities	(80,292)	(9,438)
Proceeds from maturities, prepayments and calls of securities	81,156	40,260
Proceeds from sales of securities	1,349	0
Net proceeds from sales of Federal Home Loan Bank stock	7,826	6,944
Net increase in loans	(491,457)	(95,691)
Proceeds from sale of loans not originated for resale	0	465
Purchases of premises and equipment	(2,862)	(2,559)
Proceeds from the sale of premises and equipment	0	9
Net Cash Used in Investing Activities	(484,280)	(60,010)
FINANCING ACTIVITIES
Net increase in core deposits	902,933	246,561
Net decrease in certificates of deposit	(71,007)	(63,736)
Net increase (decrease) in securities sold under repurchase agreements	72,271	(4,229)
Net decrease in short-term borrowings	(196,778)	(175,000)
Repayments on long-term borrowings	(2,864)	(523)
Treasury shares issued-net	(594)	(891)
Cash dividends paid to common shareholders	(22,012)	(18,559)
Repurchase of common stock	(12,559)	(15,122)
Net Cash Provided by (Used in) Financing Activities	669,390	(31,499)
Net increase (decrease) in cash and cash equivalents	153,542	(32,613)
Cash and cash equivalents at beginning of period	197,823	155,489
Cash and Cash Equivalents at End of Period	351,365	122,876
Supplemental Disclosures
Leased right-of-use operating assets and lease liabilities	91	37,263
Interest paid	29,721	38,612
Income taxes paid, net of refunds	210	4,557
Transfers of loans to other real estate owned	$ 513	$ 215