Consolidated Statement of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 1,839	$ 4,649
Adjustments to reconcile net income to net cash provided (used) by operating activities:
Amortization and accretion of premiums and discounts on securities, net	209	270
Accretion of loan discounts, net	(2,546)	(713)
Amortization of deposit premiums	(1,092)	(241)
Amortization of core deposit intangibles	402	148
Accretion of borrowing valuation allowance	66	(6)
Provision for loan losses	16,000	1,505
Depreciation	641	426
Net loss (gain) on sale of real estate acquired by foreclosure	54
Net gain on sale of mortgage loans HFS	(41)	(75)
Net gain on sale of guaranteed portion of loans	(1,138)	(645)
Originations of loans held for sale	(1,094)	(3,251)
Proceeds from sales of and principal collected on loans held for sale	1,519	2,960
Stock-based compensation expense	305	121
Deferred tax benefit	(2,475)
Increase in accrued interest receivable and other assets, net	448	1,371
Increase in accrued interest payable and other liabilities, net	(784)	(3,009)
Net cash provided by operating activities	12,313	3,510
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from the maturities or calls and paydowns of available-for-sale securities	13,931	11,042
Purchases of available-for-sale securities		(2,976)
Proceeds from the maturities or calls and paydowns of held-to-maturity securities	2,088	2,653
Proceeds from sale of guaranteed portion of loans	12,644	7,099
Proceeds from sale of real estate acquired by foreclosure	3,258
Purchases of Federal Home Loan Bank of Dallas stock, net of redemptions	(39)	1,378
Purchases of Federal Reserve Bank stock	(3,719)	(13)
Net increase in loans held for investment	(56,127)	(16,996)
Investment in construction of premises and purchases of other fixed assets	(157)	(43)
Net cash used in investing activities	(28,121)	2,144
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in deposit accounts	(42,637)	86,379
Net increase (decrease) in securities sold under agreements to repurchase	471	8,407
Net proceeds of other short-term borrowed funds	121,000	(257)
Net repayment of other short-term borrowed funds	(15,258)	(40,000)
Proceeds from issuance of common stock due to exercise of stock options		2
Purchase of treasury stock	1,253
Net cash provided by (used in) financing activities	62,323	54,531
NET INCREASE IN CASH AND CASH EQUIVALENTS	46,515	60,185
CASH AND CASH EQUIVALENTS:
Beginning of year	124,906	68,923
End of year	171,421	129,108
SUPPLEMENTAL INFORMATION:
Interest paid	4,304	$ 2,222
Income taxes paid	500
Noncash investing and financing activities - acquisition of real estate through foreclosure of collateral	$ 420