CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
OPERATING ACTIVITIES:
Net income	$ 25,383	$ 27,537
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	4,098	4,053
Deferred income and expense, net of amortization	1,307	1,883
Amortization of core deposit intangibles	983	929
Loss (gain) on sale of securities	537	(35)
Net change in valuation of financial instruments carried at fair value	(1,847)	(209)
Purchases of securities—trading	0	(2,387)
Proceeds from sales of securities—trading	2,485	2,387
Principal repayments and maturities of securities—trading	7,263	4,702
Bargain purchase gain on acquisition	0	(9,079)
Change in deferred taxes	(46)	5,455
Increase (decrease) in current taxes payable	(982)	9,562
Equity-based compensation	1,313	818
Increase in cash surrender value of BOLI	(880)	(858)
Gain on sale of loans, net of capitalized servicing rights	(5,548)	(2,528)
Gain on disposal of real estate held for sale and property and equipment	(225)	(453)
Provision for losses on real estate held for sale	182	37
Origination of loans held for sale	(289,311)	(160,625)
Proceeds from sales of loans held for sale	296,490	158,565
Net change in:
Other assets	(3,024)	(1,967)
Other liabilities	(1,394)	2,946
Net cash provided from operating activities	36,784	40,733
INVESTING ACTIVITIES:
Purchases of securities—available-for-sale	(51,600)	(30,272)
Principal repayments and maturities of securities—available-for-sale	45,548	20,085
Proceeds from sales of securities—available-for-sale	40,293	28,207
Purchases of securities—held-to-maturity	(10,765)	(33,686)
Principal repayments and maturities of securities—held-to-maturity	9,188	2,603
Loan originations, net of principal repayments	(64,249)	(155,279)
Purchases of loans and participating interest in loans	(120,563)	(101,840)
Proceeds from sales of other loans	17,212	2,491
Net cash received from acquisitions	78,599	127,557
Purchases of property and equipment	(5,927)	(2,617)
Proceeds from sale of real estate held for sale, net	2,249	2,672
Proceeds from FHLB stock repurchase program	21,453	4,199
Other	(206)	(2,054)
Net cash used by investing activities	(38,768)	(137,934)
FINANCING ACTIVITIES:
Increase in deposits, net	81,790	88,907
Advances (repayments) of FHLB borrowings, net	(32,004)	17,996
Increase in other borrowings, net	17,338	5,889
Cash dividends paid	(7,272)	(6,439)
Cash proceeds from issuance of stock for stockholder reinvestment plan	34	60
Net cash provided from financing activities	59,886	106,413
NET CHANGE IN CASH AND CASH EQUIVALENTS	57,902	9,212
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	126,072	137,349
CASH AND CASH EQUIVALENTS, END OF PERIOD	183,974	146,561
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Interest paid in cash	5,192	5,527
Taxes paid, net of refunds received in cash	13,610	292
NON-CASH INVESTING AND FINANCING TRANSACTIONS:
Loans, net of discounts, specific loss allowances and unearned income, transferred to real estate owned and other repossessed assets	2,166	2,885
ACQUISITIONS (Note 4):
Assets acquired	370,306	221,206
Liabilities assumed	$ 327,548	$ 212,127