Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flow from operating activities
Net income	$ 59,845	$ 50,254	$ 42,627
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	11,011	8,490	10,212
(Gain) loss on termination of derivatives			2,227	[1]
Provision for loan losses	10,403	10,200	18,056
Deferred income tax expense (benefit)	2,840	2,557	(1,919)
Loss on write-down of investments in securities available for sale	(191)	(230)	(116)
Gain (Loss) on Sale of Other Investments			(76)
Net (gain) loss on fixed assets	469	560	(30)
Gain on extinguishment of debt	0	(763)	0
(Gain) loss on termination of derivatives	1,122	0	(22)
Net loss on sale of other real estate owned and foreclosed assets	(723)	(606)	(996)
Realized gain on sale leaseback transaction	(1,034)	(1,034)	(1,034)
Stock based compensation	2,712	2,462	2,845
Excess tax benefit related to equity award activity	(704)	(503)	(426)
Increase in cash surrender value of life insurance policies	(3,128)	(3,229)	(3,114)
Gain on life insurance benefits	(1,964)	(227)	(1,307)
Change in fair value on loans held for sale	18	1	(141)
Net change in:
Trading assets	0	0	(265)
Loans held for sale	2,012	39,305	(27,828)
Other assets	(6,617)	48,903	(1,575)
Other liabilities	7,258	(16,016)	4,408
Total adjustments	24,894	91,081	1,325
Net cash provided by operating activities	84,739	141,335	43,952
Cash flows used in investing activities
Proceeds from sales of securities available for sale	5,438	3,506	2,101
Proceeds from maturities and principal repayments of securities available for sale	47,720	81,727	101,808
Purchases of securities available for sale	(37,047)	(47,975)	(93,647)
Proceeds from maturities and principal repayments of securities held to maturity	44,710	49,165	59,887
Purchases of securities held to maturity	(69,544)	(222,027)	(34,239)
Redemption of Federal Home Loan Bank stock	6,693	3,093	2,290
Investments in Low Income Housing Projects	(10,886)	0	0
Purchases of life insurance policies	10,161	267	267
Proceeds from life insurance policies	6,310	0	3,280
Net increase in loans	(266,961)	(84,264)	(297,394)
Cash provided by (used in) business combinations	0	10,520	(8,965)
Purchases of bank premises and equipment	(7,678)	(9,293)	(6,263)
Proceeds from the sale of bank premises and equipment	1,219	29	67
Proceeds (payments) on early termination of hedging relationship	(1,122)		22
Proceeds from the sale of other real estate owned and foreclosed assets	7,458	9,731	5,649
Net capital improvements to other real estate owned	3,255	2,541	2,268
Net cash used in investing activities	(287,106)	(208,596)	(267,939)
Cash flows provided by financing activities
Net decrease in time deposits	(94,008)	(79,136)	(21,074)
Net increase in other deposits	318,056	300,000	333,488
Net repayments of short-term Federal Home Loan Bank borrowings	(65,000)	(50,000)
Repayments of long-term Federal Home Loan Bank borrowings	(5,000)	(79,946)	(79,991)
Net decrease in customer repurchase agreements	(1,398)	(4,071)	(12,769)
Net increase (decrease) in other short term borrowings	(5,000)	(7,000)	1,947
Proceeds from Issuance of Subordinated Long-term Debt	35,000	0	0
Proceeds from exercise of stock options, net of cash paid	2,333	2,475	1,108
Restricted stock awards issued, net of awards surrendered	(641)	(669)	(467)
Excess tax benefit from stock based compensation	704	503	426
Tax benefit from deferred compensation distribution	138	109	92
Issuance of shares under direct stock purchase plan	1,555	969	1,691
Common dividend paid	(22,443)	(15,122)	(22,494)
Net cash provided by financing activities	164,296	68,112	201,957
Net increase (decrease) in cash and cash equivalents	(38,071)	851	(22,030)
Cash and cash equivalents at beginning of year	216,325	215,474	237,504
Cash and cash equivalents at end of period	178,254	216,325	215,474
Supplemental schedule of noncash investing and financing activities
Interest on deposits and borrowings	20,257	23,475	23,205
Income taxes	14,547	12,171	11,059
Transfer of loans to other real estate owned & foreclosed assets	5,248	2,869	7,061
Capital commitment relating to Low Income Housing Project investments	28,004	51	0
In conjunction with the purchase acquisitions detailed in note 2 to the consolidated financial statements, assets were acquired and liabilities were assumed as follows
Common stock issued for acquisition	0	29,390	30,389
Fair value of assets acquired, net of cash acquired		241,395	547,219
Fair value of liabilities assumed		$ 222,525	$ 507,865

[1] Amount represents the total amount of goodwill relating to Compass Exchange Advisors, LLC, which was acquired in January 2007.