CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating activities:
Net Income	$ 66,090	$ 39,507
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	6,148	4,005
Depreciation of premises and equipment, net	4,189	4,286
Amortization of fees and discounts, net	7,914	10,266
Amortization of intangible assets	1,482	1,639
Income from mortgage banking activities, net	(3,429)	(3,029)
Gain on sale of securities, net	(21)	(1,028)
Loss on sale of other real estate owned and valuation adjustments, net	70	131
Stock-based compensation expense	1,420	1,564
Unrealized gain on equity securities	(15,346)	0
Deferred income tax expense	2,132	2,808
(Increase) decrease in accrued interest receivable	(988)	285
Decrease (increase) in other assets	1,827	(8,156)
Origination of loans held for sale	(178,182)	(181,851)
Proceeds from sales of loans held for sale	177,997	192,130
Increase in accrued interest payable	3,094	1,254
Decrease in other liabilities	(13,526)	(1,004)
Decrease (increase) in value of bank owned life insurance	779	(582)
Increase in capitalized interest, net	(1,815)	(2,334)
Net cash provided by operating activities	59,835	59,891
Investing activities:
Repayments, maturities and calls of investment securities held to maturity	3,780	780
Sale of investment securities available for sale	7,012	351,614
Purchases of investment securities available for sale	(206,667)	(481,978)
Repayments of investment securities available for sale	50,233	144,208
Proceeds from BOLI surrender	96,429	0
Net increase in loans	(101,978)	(135,856)
Purchases of stock of Federal Home Loan Bank of Pittsburgh	(92,211)	(100,438)
Redemptions of stock of Federal Home Loan Bank of Pittsburgh	93,690	102,854
Sales of other real estate owned	1,121	4,105
Investment in premises and equipment	(3,792)	(4,490)
Sales of premises and equipment	157	1,585
Net cash used for investing activities	(152,226)	(117,616)
Financing activities:
Net (decrease) increase in demand and saving deposits	(45,121)	101,267
Increase (decrease) in time deposits	61,196	(58,069)
Increase in brokered deposits	98,890	43,419
Decrease in loan payable	0	(376)
Receipts from FHLB advances	68,146,387	72,320,785
Repayments of FHLB advances	(68,226,050)	(72,351,370)
Receipts from federal funds purchased and securities sold under agreement to repurchase	13,923,750	12,312,000
Repayments of federal funds purchased and securities sold under agreement to repurchase	(13,881,750)	(12,377,000)
Dividends paid	(6,298)	(4,399)
Issuance of common stock and exercise of common stock options	7,062	885
Purchase of treasury stock	(6,061)	(6,029)
Net cash provided by (used for) financing activities	72,005	(18,887)
Decrease in cash and cash equivalents	(20,386)	(76,612)
Cash and cash equivalents at beginning of period	723,866	821,923
Cash and cash equivalents at end of period	703,480	745,311
Supplemental Disclosure of Cash Flow Information:
Interest	17,967	14,490
Income taxes	17,594	10,352
Non-cash information:
Loans transferred to other real estate owned	1,296	2,766
Loans transferred to portfolio from held-for-sale at fair value	1,766	11,015
Goodwill adjustments, net	$ 0	$ (1,532)