CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating activities:
Net income	$ 235,107	$ 96,953	$ 116,433
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	14,522	19,873	13,398
Provision/ (credit) for credit losses	(45,556)	85,669	4,684
Share based compensation expense	5,299	3,850	3,042
Deferred income tax / (benefit)	12,255	(29,568)	1,719
Origination of loans held for sale	(1,385,664)	(1,576,865)	(887,216)
Proceeds from sales of loans held for sale	1,456,110	1,585,690	869,294
Gains on sales of loans held for sale	(31,561)	(33,418)	(13,006)
Losses on sale of other real estate owned	241	32	173
Investment securities gains	(212)	(467)	(77)
Loss on sales of premises and equipment	0	0	269
Tax (benefit)/ expense associated with share based compensation	(1,850)	(133)	92
Net (increase)/ decrease in accrued interest receivable	12,082	(15,499)	1,327
Net (increase)/ decrease other assets	(35,498)	1,500	(3,664)
Net increase/ (decrease) accrued expenses and other liabilities	(20,771)	1,704	(5,804)
Other, net	1,894	2,660	(721)
Net cash provided by operating activities	216,398	141,981	99,943
Investing activities:
Sales/ (purchases) of equity securities	24,594		21,586
Sales/ (purchases) of equity securities		(3,553)
Purchases of investments available-for-sale	(933,491)	(633,741)	(326,604)
Proceeds from sales of investment available-for-sale	400,567	121,357	2,926
Proceeds from maturities, calls and principal payments of investments available-for-sale	369,678	441,672	199,652
Net (increase)/ decrease in loans	457,724	(1,174,467)	(134,012)
Proceeds from the sales of other real estate owned	680	60	324
Cash paid for the acquisition of business activity of RPJ, net of cash acquired	0	(26,925)	0
Cash acquired in the acquisition of business activity of Revere Bank, net of cash paid	0	80,442	0
Expenditures for premises and equipment	(11,491)	(5,041)	(5,148)
Net cash provided by/ (used in) investing activities	308,261	(1,200,196)	(241,276)
Financing activities:
Net increase in deposits	595,942	1,270,328	525,439
Net increase/ (decrease) in in retail repurchase agreements and federal funds purchased	(402,071)	329,552	(113,824)
Proceeds from advances from borrowings	0	400,000	2,298,000
Repayment of advances from borrowings	(379,075)	(703,117)	(2,457,834)
Retirement of subordinated debt	(53,000)	(10,310)	0
Proceeds from issuance of common stock	5,758	1,997	1,433
Stock tendered for payment of withholding taxes	(1,577)	(458)	(703)
Repurchase of Common Stock	(107,268)	(25,702)	(24,284)
Dividends paid	(60,351)	(53,175)	(42,272)
Net cash provided by/ (used in) financing activities	(401,642)	1,209,115	185,955
Net increase in cash and cash equivalents	123,017	150,900	44,622
Cash and cash equivalents at beginning of year	297,003	146,103	101,481
Cash and cash equivalents at end of year	420,020	297,003	146,103
Supplemental Disclosures:
Interest payments	37,847	62,637	84,448
Income tax payments, net of refunds of $2,673 in 2021	71,908	56,430	33,795
Transfers from loans to other real estate owned	$ 257	$ 70	$ 414