Consolidated Statement of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 5,470	$ 8,787
Adjustments to reconcile net income to net cash provided (used) by operating activities:
Amortization and accretion of premiums and discounts on securities, net	427	544
Accretion of loan discounts, net	(4,579)	(1,310)
Amortization of deposit premiums	(1,532)	(407)
Amortization of core deposit intangibles	804	296
Accretion of borrowing valuation allowance	79	(12)
Provision for loan losses	27,000	2,310
Depreciation	1,251	820
Net loss (gain) on sale of real estate acquired by foreclosure	61
Net gain on sale of mortgage loans HFS	(41)	(232)
Net gain on sale of guaranteed portion of loans	(1,996)	(1,605)
Originations of loans held for sale	(1,094)	(9,645)
Proceeds from sales of and principal collected on loans held for sale	1,519	9,163
Writedown of real estate acquired by foreclosure		375
Stock-based compensation expense	509	567
Deferred tax benefit	(6,397)	(59)
Increase in accrued interest receivable and other assets, net	(1,288)	(737)
Increase in accrued interest payable and other liabilities, net	2,250	(1,331)
Net cash provided by operating activities	22,443	7,524
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from the maturities or calls and paydowns of available-for-sale securities	79,210	23,860
Purchases of available-for-sale securities		(48,036)
Proceeds from the maturities or calls and paydowns of held-to-maturity securities	4,419	4,986
Purchases of held-to-maturity securities	(1,963)	(1,788)
Proceeds from sale of guaranteed portion of loans	22,375	16,705
Proceeds from sale of real estate acquired by foreclosure	6,265
Purchases of Federal Home Loan Bank of Dallas stock, net of redemptions	6,129	554
Purchases of Federal Reserve Bank stock	(3,729)	(20)
Net increase in loans held for investment	(93,767)	(109,000)
Investment in construction of premises and purchases of other fixed assets	(221)	(393)
Net cash used in investing activities	18,718	(113,132)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in deposit accounts	108,045	179,225
Net increase (decrease) in securities sold under agreements to repurchase	154	5,253
Net proceeds of other short-term borrowed funds	(64,250)	20,000
Proceeds of other long-term borrowed funds	50,000
Net repayment of other short-term borrowed funds	(58,884)	(265)
Proceeds from issuance of common stock due to exercise of stock options	71	888
Purchase of treasury stock	(1,253)
Net cash provided by (used in) financing activities	33,883	205,101
NET INCREASE IN CASH AND CASH EQUIVALENTS	75,044	99,493
CASH AND CASH EQUIVALENTS:
Beginning of year	124,906	68,923
End of year	199,950	168,416
NONCASH ACTIVITIES:
Noncash investing and financing activities - acquisition of real estate through foreclosure of collateral	420
Transfer of loans to held-for-sale	6,253
SUPPLEMENTAL INFORMATION:
Interest paid	11,139	4,443
Income taxes paid	$ 7,500	$ 5,100