CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities
Net income	$ 7,800	$ 10,250
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Stock-based compensation	202	70
Provision for loan losses	1,875	961
Accretion of acquisition discount on purchased loans	(5,712)	(6,552)
Depreciation	1,773	1,564
Amortization of core deposit intangible	1,053	815
Amortization of acquisition premium on time deposits	(553)	(1,033)
Net accretion of acquisition discount on long-term debt	119	211
Gain on mortgage loan commitments	(717)	(294)
Gain on sales of loans held for sale	(4,242)	(3,594)
Originations of loans held for sale	(93,595)	(82,441)
Proceeds from sales of loans held for sale	104,965	73,918
Increase in cash surrender value of bank-owned life insurance	(560)	(472)
Deferred income taxes	7,328	5,846
Change in deferred tax valuation allowance	205	0
Gain on sales of available for sale securities	(130)	(1)
Net amortization of premiums on available for sale securities	1,186	1,345
Net (gain) loss on disposal of foreclosed assets	(136)	(58)
Valuation adjustments on foreclosed assets	0	166
Change in assets and liabilities:
Decrease in accrued interest receivable	1,014	121
Increase in other assets	(5,368)	(6,260)
Decrease in accrued interest payable	(1,150)	(692)
Increase (decrease) in other liabilities	4,396	(2,127)
Net cash provided by (used in) operating activities	19,753	(8,257)
Cash flows from investing activities
Purchases of investment securities available for sale	(92,570)	0
Proceeds from maturities and repayments of investment securities available for sale	36,080	17,181
Proceeds from sales of investment securities available for sale	142,489	197
Loan originations and principal collections, net	(70,020)	(9,897)
Net cash received in business combinations	45,143	0
Purchases of trade accounts receivable, net	(4,487)	(17,308)
Purchases of premises and equipment	(264)	(484)
Disposals of premises and equipment	766	616
Proceeds from disposal of foreclosed assets	1,535	718
Purchases of Federal Home Loan Bank stock	4,570	(778)
Net cash used in (provided by) investing activities	63,242	(9,755)
Cash flows from financing activities
Net increase in deposits	49,859	(37,156)
Net change in short-term borrowings	(104,592)	57,500
Repayments of long-term debt obligations	(10,490)	(25,676)
Proceeds from exercise of stock options	98	120
Dividends paid on preferred stock	0	(639)
Dividends paid on common stock	(18,973)	0
Net cash used in financing activities	(84,098)	(5,851)
Net change in cash and cash equivalents	(1,103)	(23,863)
Cash and cash equivalents, beginning of period	111,918	132,365
Cash and cash equivalents, end of period	110,815	108,502
SUPPLEMENTAL DISCLOSURES:
Interest	6,935	6,180
Income taxes	2,600	0
Noncash investing activities:
Transfers of loans to foreclosed assets	3,247	362
Change in fair value of securities available for sale, net of tax	4,428	2,774
Change in fair value of cash flow hedge, net of tax	(2,798)	(2,558)
Acquisition:
Assets acquired (excluding goodwill)	2,780,389	0
Liabilities assumed	2,534,612	0
Purchase price	431,336	0
Goodwill recorded	$ 185,559	$ 0