CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities
Interest received	$ 30,932	$ 27,183
Fees and commissions received	7,980	6,638
Interest paid	(1,570)	(1,748)
Cash paid to suppliers and employees	(27,839)	(21,870)
Origination of loans designated held for sale	(35,135)	(42,112)
Sale of loans designated held for sale	39,266	35,339
Net change in other assets	2,025	(455)
Net cash provided by operating activities	15,659	2,975
Cash flows from investing activities
Maturity of securities available for sale	26,018	28,046
Maturity of securities held for investment	5,368	9,176
Proceeds from sale of securities available for sale	10,416	0
Purchases of securities available for sale	(81,880)	(13,769)
Purchases of securities held for investment	0	(24,366)
Net new loans and principal repayments	(32,135)	(31,542)
Proceeds from the sale of other real estate owned	1,542	1,827
Proceeds from sale of Federal Home Loan Bank (FHLB) and Federal Reserve Bank stock	1,700	3,725
Purchase of FHLB and Federal Reserve Bank Stock	(1,956)	(2,466)
Net cash from bank acquisition	1,544	0
Additions to bank premises and equipment	(793)	(3,919)
Net cash (used in) investing activities	(70,176)	(33,288)
Cash flows from financing activities
Net increase in deposits	40,719	193,291
Net increase (decrease) in federal funds purchased and repurchase agreements	26,325	(63,617)
Stock based employee benefit plans	34	30
Dividends paid	0	0
Net cash provided by financing activities	67,078	129,704
Net increase in cash and cash equivalents	12,561	99,391
Cash and cash equivalents at beginning of period	136,067	100,539
Cash and cash equivalents at end of period	148,628	199,930
Reconciliation of net income to cash provided by operating activities
Net income	3,966	5,859
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,064	816
Amortization of premiums and discounts on securities, net	1,021	959
Other amortization and accretion, net	(237)	(929)
Change in loans held for sale, net	4,131	(6,773)
Provision for loan losses	199	433
Gain on sale of securities	(89)	0
Gain on sale of loans	(700)	(749)
Losses (gains) on sale and write-downs of other real estate owned	(51)	81
Losses (gains) on disposition of fixed assets	692	(1)
Change in interest receivable	(1,507)	150
Change in interest payable	309	(184)
Change in prepaid expenses	(691)	(171)
Change in accrued taxes	2,714	3,804
Change in other assets	2,025	(455)
Change in other liabilities	2,813	135
Net cash provided by operating activities	15,659	2,975
Supplemental disclosure of non cash investing activities:
Fair value adjustment to securities	7,817	4,650
Transfer from loans to other real estate owned	2,543	649
Matured securities recorded as a receivable	1,260	691
Purchase of securities on trade date	$ 24,848	$ 0