CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
ASSETS
Cash and due from banks	$ 25,818	$ 26,562
Interest bearing deposits in financial institutions and fed funds sold	116,326	114,119
Total cash and cash equivalents	142,144	140,681
Available-for-sale securities, at fair value	664,045	705,539
Held-to-maturity securities, at amortized cost (fair value of $65,037 and $13,146, respectively)	65,101	13,275
Investment in Patriot Bancshares Capital Trusts I and II	666	666
Federal Reserve Bank stock	11,774	11,702
Federal Home Loan Bank of Dallas stock	14,857	14,915
Other investments	10,860	0
Total securities and other investments	767,303	746,097
Loans held for sale	7,461	7,156
Loans held for investment	3,136,336	3,190,485
Allowance for loan losses	(38,233)	(31,220)
Loans, net	3,105,564	3,166,421
Premises and equipment, net	23,694	24,002
Goodwill	85,291	85,291
Core deposit intangibles, net of accumulated amortization	8,187	8,503
Accrued interest receivable	11,783	11,109
Deferred tax asset, net	11,893	8,758
Real estate acquired by foreclosure	802	802
Bank owned life insurance	55,682	55,302
Other assets	12,904	14,950
TOTAL ASSETS	4,225,247	4,261,916
Deposits:
Noninterest-bearing	849,297	803,210
Interest-bearing transaction and savings	1,337,973	1,331,601
Certificates and other time deposits	1,266,457	1,262,332
Total deposits	3,453,727	3,397,143
Securities sold under agreements to repurchase	4,948	5,173
Other borrowed funds	230,000	325,000
Subordinated debentures and subordinated notes	47,878	47,737
Accrued interest payable	3,631	2,841
Other liabilities	16,185	20,227
Total liabilities	3,756,369	3,798,121
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS’ EQUITY:
Preferred stock, $0.01 par value, 10,000,000 shares authorized, no shares issued or outstanding	0	0
Common stock, $0.01 par value, 90,000,000 shares authorized; 37,412,718 and 37,280,822 shares issued at March 31, 2018 and December 31, 2017, respectively; 37,234,718 and 37,102,822 shares outstanding at March 31, 2018 and December 31, 2017, respectively	374	373
Capital surplus	390,297	387,891
Retained earnings	93,722	83,263
Accumulated other comprehensive income, net	(14,262)	(6,479)
Less treasury stock, at cost, 178,000 shares at both March 31, 2018 and December 31, 2017	(1,253)	(1,253)
Total shareholders’ equity	468,878	463,795
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 4,225,247	$ 4,261,916