CONSOLIDATED BALANCE SHEETS - USD ($)		Dec. 31, 2018	Dec. 31, 2017
ASSETS
Cash and due from banks		$ 87,375,000	$ 79,171,000
Interest earning deposits		23,884,000	111,541,000
Federal funds sold		9,460,000	7,980,000
Total cash and cash equivalents		120,719,000	198,692,000
Securities available for sale, at estimated fair value		1,989,436,000
Securities available for sale, at estimated fair value			1,538,755,000
Securities held to maturity, at carrying value (estimated fair value of $159,781 and $921,800, respectively)		162,931,000	909,506,000
FHLB stock, at cost		32,583,000	55,729,000
Equity investments		12,093,000
Equity investments			5,821,000
Loans held for sale		601,000	2,001,000
Loans:
Loans		3,312,799,000	3,294,356,000
Less: Allowance for loan losses	[1]	(27,019,000)	(20,781,000)
Net loans		3,285,780,000	3,273,575,000
Premises and equipment, net		135,972,000	133,640,000
Goodwill		201,116,000	201,246,000
Other intangible assets, net		17,779,000	22,993,000
Interest receivable		27,287,000	28,491,000
Deferred tax asset, net		9,776,000	12,204,000
Unsettled issuances of brokered certificates of deposit		15,236,000	0
Bank owned life insurance		98,160,000	100,368,000
Other assets		14,025,000	15,076,000
Total assets		6,123,494,000	6,498,097,000
Deposits:
Noninterest bearing		994,680,000	1,037,401,000
Interest bearing		3,430,350,000	3,478,046,000
Total deposits		4,425,030,000	4,515,447,000
Federal funds purchased and repurchase agreements		36,810,000	9,498,000
FHLB borrowings		719,065,000	1,017,361,000
Subordinated notes, net of unamortized debt issuance costs	[2]	98,407,000	98,248,000
Trust preferred subordinated debentures, net of unamortized debt issuance costs		60,246,000	60,241,000
Unsettled trades to purchase securities		6,378,000	0
Other liabilities		46,267,000	43,162,000
Total liabilities		5,392,203,000	5,743,957,000
Off-balance-sheet arrangements, commitments and contingencies (Note 17)
Shareholders’ equity:
Common stock: ($1.25 par value, 80,000,000 shares authorized and 37,845,224 shares issued at December 31, 2018 and 40,000,000 shares authorized and 37,802,352 shares issued at December 31, 2017)		47,307,000	47,253,000
Paid-in capital		762,470,000	757,439,000
Retained earnings		64,797,000	32,851,000
Treasury stock, at cost (4,120,475 at December 31, 2018 and 2,802,019 at December 31, 2017)		(93,055,000)	(47,105,000)
Accumulated other comprehensive loss		(50,228,000)	(36,298,000)
Total shareholders’ equity		731,291,000	754,140,000
Total liabilities and shareholders’ equity		$ 6,123,494,000	$ 6,498,097,000

[1] Loans acquired with the Diboll acquisition were measured at fair value on November 30, 2017, with no carryover of allowance for loan loss. The allowance for loan loss recorded on PCI loans totaled $302,000 as of December 31, 2018. There was no allowance for loan loss recorded on PCI loans as of December 31, 2017

[2] This debt consists of subordinated notes with a remaining maturity greater than one year that qualify under the risk-based capital guidelines as Tier 2 capital, subject to certain limitations.