Statement of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 27,305	$ 27,695
Proceeds from Sale of Loans Held-for-sale	49,629	55,619
Originations of loans held for sale	(45,218)	(61,984)
Items not requiring (providing) cash:
Depreciation	4,569	4,632
Amortization	1,296	1,396
Compensation expense for stock option grants	357	273
Provision for loan losses	3,900	4,200
Net gains on loan sales	(1,021)	(1,624)
Net losses on sale of premises and equipment	94	144
Net (gains) losses on sale/write-down of other real estate owned	2,184	(602)
Gain realized on termination of loss sharing agreements	0	(7,704)
Accretion of deferred income, premiums, discounts and other	(1,287)	(972)
(Gain) loss on derivative interest rate products	(48)	13
Deferred income taxes	(6,544)	(4,183)
Changes In:
Interest receivable	(111)	1,057
Prepaid expenses and other assets	6,084	(1,441)
Accrued expenses and other liabilities	1,857	1,172
Income taxes refundable/payable	7,370	4,184
Net cash provided by operating activities	50,416	21,875
CASH FLOWS FROM INVESTING ACTIVITIES
Net change in loans	(101,884)	105,431
Purchase of loans	(42,179)	(117,799)
Cash Received from FDIC Loss Sharing Reimbursements	0	16,245
Purchase of premises and equipment	(6,054)	(2,699)
Proceeds from sale of premises and equipment	23	474
Proceeds from sale of other real estate owned and repossessions	8,856	15,956
Capitalized costs on other real estate owned	(143)	(117)
Proceeds from maturities and calls of held-to-maturity securities	130	117
Proceeds from maturities and calls of available-for-sale securities	2,031	6,345
Principal reductions on mortgage-backed securities	10,530	12,450
Purchase of available-for-sale securities	(6,689)	0
Redemption (purchase) of Federal Home Loan Bank stock	(4,496)	192
Net cash provided by (used in) investing activities	(139,875)	36,595
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase (decrease) in certificates of deposit	13,616	(99,487)
Net decrease in checking and savings deposits	(13,655)	(4,992)
Proceeds from Federal Home Loan Bank advances	1,454,500	0
Repayments of Federal Home Loan Bank advances	(1,323,000)	(31,435)
Net increase (decrease) in short-term borrowings	(232)	11,334
Advances from borrowers for taxes and insurance	2,638	3,235
Dividends paid	(7,332)	(6,155)
Stock options exercised	1,156	1,766
Net cash provided by (used in) financing activities	127,691	(125,734)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	38,232	(67,264)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	242,253	279,769
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 280,485	$ 212,505