Renasant (RNST) 10-Q 8 Nov 13 2013 Q3 Quarterly report Financial data

Document_and_Entity_Informatio

Document and Entity Information	9 Months Ended
	Sep. 30, 2013	Oct. 31, 2013
Document and Entity Information [Abstract]	'	'
Entity Registrant Name	'RENASANT CORP	'
Entity Central Index Key	'0000715072	'
Document Type	'10-Q	'
Document Period End Date	30-Sep-13	'
Amendment Flag	'false	'
Document Fiscal Year Focus	'2013	'
Document Fiscal Period Focus	'Q3	'
Current Fiscal Year End Date	'--12-31	'
Entity Filer Category	'Accelerated Filer	'
Entity Common Stock, Shares Outstanding (shares)	'	31,361,803

Consolidated_Balance_Sheets

Consolidated Balance Sheets (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Assets	'	'
Cash and due from banks	$86,964	$63,225
Interest-bearing balances with banks	146,185	69,195
Cash and cash equivalents	233,149	132,420
Securities held to maturity (fair value of $438,014 and $334,475, respectively)	440,055	317,766
Securities available for sale, at fair value	464,733	356,311
Mortgage loans held for sale, at fair value	28,466	34,845
Loans, net of unearned income:	'	'
Covered under loss-share agreements	195,997	237,088
Not covered under loss-share agreements	3,685,535	2,573,165
Total loans, net of unearned income	3,881,532	2,810,253
Allowance for loan losses	-46,250	-44,347
Loans, net	3,835,282	2,765,906
Premises and equipment, net	104,458	66,752
Other real estate owned:	'	'
Covered under loss-share agreements	16,580	45,534
Not covered under loss-share agreements	40,581	44,717
Total OREO	57,161	90,251
Goodwill	275,328	184,859
Other intangible assets, net	29,737	6,066
FDIC loss-share indemnification asset	27,825	44,153
Other assets	239,854	179,287
Total assets	5,736,048	4,178,616
Deposits	'	'
Noninterest-bearing	876,138	568,214
Interest-bearing	3,958,618	2,893,007
Total deposits	4,834,756	3,461,221
Short-term borrowings	6,649	5,254
Long-term debt	170,518	159,452
Other liabilities	66,869	54,481
Total liabilities	5,078,792	3,680,408
Shareholders’ equity	'	'
Preferred stock, $.01 par value – 5,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $5.00 par value – 75,000,000 shares authorized, 32,656,166 shares issued; 31,358,583 and 25,157,637 shares outstanding, respectively	163,281	133,579
Treasury stock, at cost	-22,957	-25,626
Additional paid-in capital	341,669	218,128
Retained earnings	188,907	180,628
Accumulated other comprehensive loss, net of taxes	-13,644	-8,501
Total shareholders’ equity	657,256	498,208
Total liabilities and shareholders’ equity	$5,736,048	$4,178,616

Consolidated_Balance_Sheets_Pa

Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, except Share data, unless otherwise specified
Statement of Financial Position [Abstract]	'	'
Securities held to maturity, fair value	$438,014	$334,475
Preferred stock, par value (usd per share)	$0.01	$0.01
Preferred stock, shares authorized (shares)	5,000,000	5,000,000
Preferred stock, shares issued (shares)	0	0
Preferred stock, shares outstanding (shares)	0	0
Common stock, par value (usd per share)	$5	$5
Common stock, shares authorized (shares)	75,000,000	75,000,000
Common stock, shares issued (shares)	32,656,166	26,715,797
Common stock, shares outstanding (shares)	31,358,583	25,157,637

Consolidated_Statements_of_Inc

Consolidated Statements of Income (Unaudited) (USD $)	3 Months Ended		9 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Interest income	'	'	'	'
Loans	$39,308	$34,411	$108,031	$102,708
Securities	'	'	'	'
Taxable	3,282	2,677	9,504	10,567
Tax-exempt	2,001	2,033	5,844	6,190
Other	47	33	149	172
Total interest income	44,638	39,154	123,528	119,637
Interest expense	'	'	'	'
Deposits	4,313	4,447	12,488	14,835
Borrowings	1,577	1,575	4,507	5,417
Total interest expense	5,890	6,022	16,995	20,252
Net interest income	38,748	33,132	106,533	99,385
Provision for loan losses	2,300	4,625	8,350	14,125
Net interest income after provision for loan losses	36,448	28,507	98,183	85,260
Noninterest income	'	'	'	'
Service charges on deposit accounts	5,361	4,818	14,370	13,838
Fees and commissions	4,982	4,639	14,661	12,889
Insurance commissions	1,295	889	3,107	2,710
Wealth management revenue	2,091	1,707	5,530	5,200
Gains on sales of securities	0	0	54	1,773
BOLI income	1,904	689	3,268	2,453
Gains on sales of mortgage loans held for sale	2,788	4,397	10,223	8,068
Other	514	916	2,417	3,830
Total noninterest income	18,935	18,055	53,630	50,761
Noninterest expense	'	'	'	'
Salaries and employee benefits	25,689	21,222	68,869	59,741
Data processing	2,236	2,192	6,324	6,443
Occupancy, Net	4,576	3,886	11,852	11,091
Other real estate owned	1,537	2,440	5,359	9,809
Professional fees	1,542	1,115	4,019	3,101
Advertising and public relations	1,514	1,216	4,250	3,715
Intangible amortization	724	341	1,361	1,048
Communications	1,310	1,115	3,572	3,144
Extinguishment of debt	0	0	0	898
Merger-related expenses	3,763	0	4,148	0
Other	3,722	5,145	12,193	13,094
Total noninterest expense	46,613	38,672	121,947	112,084
Income before income taxes	8,770	7,890	29,866	23,937
Income taxes	2,133	853	7,639	4,581
Net income	$6,637	$7,037	$22,227	$19,356
Basic earnings per share (usd per share)	$0.24	$0.28	$0.86	$0.77
Diluted earnings per share (usd per share)	$0.24	$0.28	$0.85	$0.77
Cash dividends per common share (usd per share)	$0.17	$0.17	$0.51	$0.51

Consolidated_Statements_of_Com

Consolidated Statements of Comprehensive Income (Unaudited) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Statement of Comprehensive Income [Abstract]	'	'	'	'
Net income	$6,637	$7,037	$22,227	$19,356
Securities:	'	'	'	'
Unrealized holding gains (losses) on securities	782	2,486	-6,091	4,594
Reclassification adjustment for losses (gains) realized in net income	0	0	71	-1,095
Amortization of unrealized holding gains on securities transferred to the held to maturity category	-49	-83	-169	-276
Total securities	733	2,403	-6,189	3,223
Derivative instruments:	'	'	'	'
Unrealized holding (losses) gains on derivative instruments	-297	-241	902	-1,379
Reclassification adjustment for gains realized in net income	-22	-71	-126	-259
Totals derivative instruments	-319	-312	776	-1,638
Defined benefit pension and post-retirement benefit plans:	'	'	'	'
Net (loss) gain arising during the period	0	0	0	0
Less amortization of net actuarial loss recognized in net periodic pension cost	113	66	270	198
Total defined benefit pension and post-retirement benefit plans	113	66	270	198
Other comprehensive loss, net of tax	527	2,157	-5,143	1,783
Comprehensive income	$7,164	$9,194	$17,084	$21,139

Condensed_Consolidated_Stateme

Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Operating activities	'	'
Net cash provided by operating activities	$124,122	$134,775
Investing activities	'	'
Purchases of securities available for sale	-106,521	-107,235
Proceeds from sales of securities available for sale	9,015	86,850
Proceeds from call/maturities of securities available for sale	62,606	106,391
Purchases of securities held to maturity	-70,075	-99,045
Proceeds from sales of securities held to maturity	4,461	0
Proceeds from call/maturities of securities held to maturity	84,667	131,483
Net increase in loans	-190,010	-270,091
Purchases of premises and equipment	-8,685	-13,568
Proceeds from sales of premises and equipment	0	108
Cash Acquired from Acquisition	170,061	0
Net cash used in investing activities	-44,481	-165,107
Financing activities	'	'
Net increase in noninterest-bearing deposits	20,770	22,671
Net increase (decrease) in interest-bearing deposits	26,735	-38,880
Net (decrease) increase in short-term borrowings	-5,394	53,474
Repayment of long-term debt	-7,326	-85,155
Cash paid for dividends	-13,951	-12,832
Cash received on exercise of stock-based compensation	99	435
Excess tax benefit from stock-based compensation	155	20
Net cash provided by (used in) financing activities	21,088	-60,267
Net increase (decrease) in cash and cash equivalents	100,729	-90,599
Cash and cash equivalents at beginning of period	132,420	209,017
Cash and cash equivalents at end of period	233,149	118,418
Noncash transactions:	'	'
Transfers of loans to other real estate owned	$13,747	$34,217

Summary_of_Significant_Account

Summary of Significant Accounting Policies	9 Months Ended
	Sep. 30, 2013
Accounting Policies [Abstract]	'
Summary of Significant Accounting Policies	'
	Summary of Significant Accounting Policies
	Nature of Operations: Renasant Corporation (referred to herein as the “Company”) owns and operates Renasant Bank (“Renasant Bank” or the “Bank”) and Renasant Insurance, Inc. The Company offers a diversified range of financial, fiduciary and insurance services to its retail and commercial customers through its subsidiaries and full service offices located throughout north and north central Mississippi, Tennessee, north and central Alabama and north Georgia.
	Basis of Presentation: The accompanying unaudited consolidated financial statements of the Company and its subsidiaries have been prepared in accordance with accounting principles generally accepted in the United States of America for interim financial information and in accordance with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by accounting principles generally accepted in the United States of America for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. For further information regarding the Company’s significant accounting policies, refer to the audited consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012 filed with the Securities and Exchange Commission on March 8, 2013.
	On September 1, 2013, the Company completed its acquisition of First M&F Corporation (“First M&F”). The financial condition and results of operation for First M&F are included in the Company’s financial statements since the date of the acquisition. See Note M, “Mergers and Acquisitions,” in these Notes to Consolidated Financial Statements for further details regarding the terms and conditions of the Company’s merger with First M&F.
	Use of Estimates: The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.
	Subsequent Events: The Company has evaluated, for consideration of recognition or disclosure, subsequent events that have occurred through the date of issuance of its financial statements, and has determined that no significant events occurred after September 30, 2013 but prior to the issuance of these financial statements that would have a material impact on its Consolidated Financial Statements.

Securities

Securities	9 Months Ended
	Sep. 30, 2013
Investments, Debt and Equity Securities [Abstract]	'
Securities	'
	Securities
	(In Thousands)
	The amortized cost and fair value of securities held to maturity were as follows:
		Amortized				Gross				Gross			Fair
		Cost				Unrealized				Unrealized			Value
						Gains				Losses
	30-Sep-13
	Obligations of other U.S. Government agencies and corporations	$	149,056			$	13			$	(7,707	)	$	141,362
	Obligations of states and political subdivisions	290,999				8,352				(2,699		)	296,652
		$	440,055			$	8,365			$	(10,406	)	$	438,014
	December 31, 2012
	Obligations of other U.S. Government agencies and corporations	$	90,045			$	116			$	(232	)	$	89,929
	Obligations of states and political subdivisions	227,721				16,860				(35		)	244,546
		$	317,766			$	16,976			$	(267	)	$	334,475
	In light of the ongoing fiscal uncertainty in state and local governments, the Company analyzes its exposure to potential losses in its security portfolio on at least a quarterly basis. Management reviews the underlying credit rating and analyzes the financial condition of the respective issuers. Based on this analysis, the Company sold certain securities representing obligations of state and political subdivisions that were classified as held to maturity during 2013. The securities sold showed significant credit deterioration in that an
	analysis of the financial condition of the respective issuers showed the issuers were operating at net deficits with little to no financial cushion to offset future contingencies. These securities had a carrying value of $4,292, and the Company recognized a net gain of $169 on the sale during the nine months ended September 30, 2013. No securities classified as held to maturity were sold during the nine months ended September 30, 2012.
	The amortized cost and fair value of securities available for sale were as follows:
		Amortized				Gross				Gross			Fair
		Cost				Unrealized				Unrealized			Value
						Gains				Losses
	30-Sep-13
	Obligations of other U.S. Government agencies and corporations	$	6,151			$	146			$	(211	)	$	6,086
	Residential mortgage backed securities:
	Government agency mortgage backed securities	221,276				3,264				(3,610		)	220,930
	Government agency collateralized mortgage obligations	151,340				1,793				(3,777		)	149,356
	Commercial mortgage backed securities:
	Government agency mortgage backed securities	41,440				1,486				(547		)	42,379
	Government agency collateralized mortgage obligations	5,029				82				—			5,111
	Trust preferred securities	27,629				—				(10,876		)	16,753
	Other debt securities	20,174				280				(213		)	20,241
	Other equity securities	2,775				1,102				—			3,877
		$	475,814			$	8,153			$	(19,234	)	$	464,733
		Amortized				Gross				Gross			Fair
		Cost				Unrealized				Unrealized			Value
						Gains				Losses
	December 31, 2012
	Obligations of other U.S. Government agencies and corporations	$	2,169			$	273			$	—		$	2,442
	Residential mortgage backed securities:
	Government agency mortgage backed securities	139,699				5,209				(91		)	144,817
	Government agency collateralized mortgage obligations	115,647				2,273				(399		)	117,521
	Commercial mortgage backed securities:
	Government agency mortgage backed securities	41,981				3,077				—			45,058
	Government agency collateralized mortgage obligations	5,091				316				—			5,407
	Trust preferred securities	28,612				—				(13,544		)	15,068
	Other debt securities	22,079				852				(1		)	22,930
	Other equity securities	2,355				713				—			3,068
		$	357,633			$	12,713			$	(14,035	)	$	356,311
	Gross realized gains and gross realized losses on sales of securities available for sale for the three and nine months ended September 30, 2013 and 2012 were as follows:
		Three Months Ended								Nine Months Ended
		September 30,								September 30,
		2013				2012				2013			2012
	Gross gains on sales of securities available for sale	$	—			$	—			$	—		$	1,850
	Gross losses on sales of securities available for sale	—				—				(115		)	(77		)
	(Loss) Gain on sales of securities available for sale, net	$	—			$	—			$	(115	)	$	1,773
	At September 30, 2013 and December 31, 2012, securities with a carrying value of $581,266 and $308,362, respectively, were pledged to secure government, public and trust deposits. Securities with a carrying value of $5,684 and $19,006 were pledged as collateral for short-term borrowings and derivative instruments at September 30, 2013 and December 31, 2012, respectively.
	The amortized cost and fair value of securities at September 30, 2013 by contractual maturity are shown below. Expected maturities will differ from contractual maturities because issuers may call or prepay obligations with or without call or prepayment penalties.
		Held to Maturity								Available for Sale
		Amortized				Fair				Amortized			Fair
		Cost				Value				Cost			Value
	Due within one year	$	34,535			$	34,604			$	—		$	—
	Due after one year through five years	52,911				54,378				1,084			1,161
	Due after five years through ten years	196,982				191,821				5,067			4,925
	Due after ten years	155,627				157,211				27,629			16,753
Residential mortgage backed securities:
Government agency mortgage backed securities	—				—				221,276			220,930
Government agency collateralized mortgage obligations	—				—				151,340			149,356
Commercial mortgage backed securities:
Government agency mortgage backed securities	—				—				41,440			42,379
Government agency collateralized mortgage obligations	—				—				5,029			5,111
Other debt securities	—				—				20,174			20,241
Other equity securities	—				—				2,775			3,877
	$	440,055			$	438,014			$	475,814		$	464,733
The following table presents the age of gross unrealized losses and fair value by investment category as of the dates presented:
	Less than 12 Months										12 Months or More								Total
	#		Fair				Unrealized				#	Fair			Unrealized				#	Fair		Unrealized
			Value				Losses					Value			Losses					Value		Losses
Held to Maturity:
30-Sep-13
Obligations of other U.S. Government agencies and corporations	30		$	138,850			$	(7,707	)		0	$	—		$	—			30	$	138,850	$	(7,707	)
Obligations of states and political subdivisions	110		59,395				(2,699		)		0	—			—				110	59,395		(2,699		)
Total	140		$	198,245			$	(10,406	)		0	$	—		$	—			140	198,245		$	(10,406	)
December 31, 2012
Obligations of other U.S. Government agencies and corporations	8		$	35,224			$	(232	)		0	$	—		$	—			8	$	35,224	$	(232	)
Obligations of states and political subdivisions	4		2,861				(34		)		1	126			(1		)		5	2,987		(35		)
Total	12		$	38,085			$	(266	)		1	$	126		$	(1	)		13	$	38,211	$	(267	)
Available for Sale:
30-Sep-13
Obligations of other U.S. Government agencies and corporations	1		$	3,789			$	(211	)		0	$	—		$	—			1	$	3,789	$	(211	)
Residential mortgage backed securities:
Government agency mortgage backed securities	24		95,531				(3,610		)		0	—			—				24	95,531		(3,610		)
Government agency collateralized mortgage obligations	18		76,248				(3,476		)		2	7,335			(301		)		20	83,583		(3,777		)
Commercial mortgage backed securities:
Government agency mortgage backed securities	4		16,672				(547		)		0	—			—				4	16,672		(547		)
Government agency collateralized mortgage obligations	0		—				—				0	—			—				0	—		—
Trust preferred securities	0		—				—				4	16,753			(10,876		)		4	16,753		(10,876		)
Other debt securities	1		2,764				(206		)		1	1,971			(7		)		2	4,735		(213		)
Total	48		$	195,004			$	(8,050	)		7	$	26,059		$	(11,184	)		55	$	221,063	$	(19,234	)
December 31, 2012
Obligations of other U.S. Government agencies and corporations	0		$	—			$	—			0	$	—		$	—			0	$	—	$	—
Residential mortgage backed securities:
Government agency mortgage backed securities	3		15,431				(91		)		0	—			—				3	15,431		(91		)
Government agency collateralized mortgage obligations	11		44,616				(389		)		1	1,605			(10		)		12	46,221		(399		)
Commercial mortgage backed securities:
Government agency mortgage backed securities	0		—				—				0	—			—				0	—		—
Government agency collateralized mortgage obligations	0		—				—				0	—			—				0	—		—
Trust preferred securities	0		—				—				4	15,068			(13,544		)		4	15,068		(13,544		)
Other debt securities	0		—				—				1	2,188			(1		)		1	2,188		(1		)
Other equity securities	0		—				—				0	—			—				0	—		—
Total	14		$	60,047			$	(480	)		6	$	18,861		$	(13,555	)		20	$	78,908	$	(14,035	)
The Company evaluates its investment portfolio for other-than-temporary-impairment (“OTTI”) on a quarterly basis. Impairment is assessed at the individual security level. The Company considers an investment security impaired if the fair value of the security is less than its cost or amortized cost basis. Impairment is considered to be other-than-temporary if the Company intends to sell the investment security or if the Company does not expect to recover the entire amortized cost basis of the security before the Company is required to sell the security or before the security’s maturity.
The Company holds investments in pooled trust preferred securities that had an amortized cost basis of $27,629 and $28,612 and a fair value of $16,753 and $15,068, at September 30, 2013 and December 31, 2012, respectively. The investments in pooled trust preferred securities consist of four securities representing interests in various tranches of trusts collateralized by debt issued by over 330 financial institutions. Management’s determination of the fair value of each of its holdings in pooled trust preferred securities is based on the current credit ratings, the known deferrals and defaults by the underlying issuing financial institutions and the degree to which future deferrals and defaults would be required to occur before the cash flow for the Company’s tranches is negatively impacted. In addition, management continually monitors key credit quality and capital ratios of the issuing institutions. This determination is further supported by quarterly valuations, which are performed by third parties, of each security obtained by the Company. The Company does not intend to sell the investments, and it is not more likely than not that the Company will be required to sell the investments before recovery of the investments’ amortized cost, which may be maturity. At September 30, 2013, management did not, and does not currently, believe such securities will be settled at a price less than the amortized cost of the investment, but the Company previously concluded that it was probable that there had been an adverse change in estimated cash flows for all four trust preferred securities and recognized credit related impairment losses on these securities in 2010 and 2011. No additional impairment was recognized during the three or nine months ended September 30, 2013.
However, based on the qualitative factors discussed above, each of the four pooled trust preferred securities was classified as a nonaccruing asset at September 30, 2013. Investment interest is recorded on the cash-basis method until qualifying for return to accrual status.
The following table provides information regarding the Company’s investments in pooled trust preferred securities at September 30, 2013:
Name	Single/		Class/		Amortized				Fair			Unrealized			Lowest		Issuers
	Pooled		Tranche		Cost				Value			Loss			Credit		Currently in
															Rating		Deferral or
																	Default
XIII	Pooled		B-2		$	1,155			$	1,140		$	(15	)	Caa3		28	%
XXIII	Pooled		B-2		8,831				5,547			(3,284		)	B1		21	%
XXIV	Pooled		B-2		12,076				6,782			(5,294		)	Ca		34	%
XXVI	Pooled		B-2		5,567				3,284			(2,283		)	Ca		31	%
					$	27,629			$	16,753		$	(10,876	)
The following table provides a summary of the cumulative credit related losses recognized in earnings for which a portion of OTTI has been recognized in other comprehensive income:
	2013				2012
Balance at January 1	$	(3,337	)		$	(3,337	)
Additions related to credit losses for which OTTI was not previously recognized	—				—
Increases in credit loss for which OTTI was previously recognized	—				—
Balance at September 30	$	(3,337	)		$	(3,337	)

Loans_and_the_Allowance_for_Lo

Loans and the Allowance for Loan Losses	9 Months Ended
	Sep. 30, 2013
Receivables [Abstract]	'
Loans and the Allowance for Loan Losses	'
	Loans and the Allowance for Loan Losses
	(In Thousands, Except Number of Loans)
	The following is a summary of loans as of the dates presented:
		September 30,				December 31, 2012
		2013
	Commercial, financial, agricultural	$	481,243			$	317,050
	Lease financing	76				195
	Real estate – construction	152,217				105,706
	Real estate – 1-4 family mortgage	1,192,223				903,423
	Real estate – commercial mortgage	1,960,584				1,426,643
	Installment loans to individuals	95,190				57,241
	Gross loans	3,881,533				2,810,258
	Unearned income	(1		)		(5		)
	Loans, net of unearned income	3,881,532				2,810,253
	Allowance for loan losses	(46,250		)		(44,347		)
	Net loans	$	3,835,282			$	2,765,906
	Past Due and Nonaccrual Loans
	Loans are considered past due if the required principal and interest payments have not been received as of the date such payments were due. Generally, the recognition of interest on mortgage and commercial loans is discontinued at the time the loan is 90 days past due unless the credit is well-secured and in process of collection. Consumer and other retail loans are typically charged-off no later than the time the loan is 120 days past due. In all cases, loans are placed on nonaccrual status or charged-off at an earlier date if collection of principal or interest is considered doubtful. Loans may be placed on nonaccrual regardless of whether or not such loans are considered past due. All interest accrued for the current year, but not collected, for loans that are placed on nonaccrual or charged-off is reversed against interest income. The interest on these loans is accounted for on the cash-basis or cost-recovery method, until qualifying for return to accrual. Loans are returned to accrual status when all the principal and interest amounts contractually due are brought current and future payments are reasonably assured.
	The following table provides an aging of past due and nonaccrual loans, segregated by class, as of the dates presented:
		Accruing Loans														Nonaccruing Loans
		30-89 Days				90 Days				Current			Total			30-89 Days			90 Days			Current		Total		Total
		Past Due				or More				Loans			Loans			Past Due			or More			Loans		Loans		Loans
						Past Due													Past Due
	30-Sep-13
	Commercial, financial, agricultural	$	1,362			$	272			$	476,874		$	478,508		$	—		$	1,922		$	813	$	2,735	$	481,243
	Lease financing	—				—				76			76			—			—			—		—		76
	Real estate – construction	1				592				149,976			150,569			—			1,648			—		1,648		152,217
	Real estate – 1-4 family mortgage	11,965				3,436				1,158,038			1,173,439			2,276			5,788			10,720		18,784		1,192,223
	Real estate – commercial mortgage	10,526				6,796				1,896,754			1,914,076			3,294			33,224			9,990		46,508		1,960,584
	Installment loans to individuals	324				56				94,681			95,061			—			129			—		129		95,190
	Unearned income	—				—				(1		)	(1		)	—			—			—		—		(1		)
	Total	$	24,178			$	11,152			$	3,776,398		$	3,811,728		$	5,570		$	42,711		$	21,523	$	69,804	$	3,881,532
	December 31, 2012
	Commercial, financial, agricultural	$	484			$	15			$	312,943		$	313,442		$	215		$	3,131		$	262	$	3,608	$	317,050
	Lease financing	—				—				195			195			—			—			—		—		195
	Real estate – construction	80				—				103,978			104,058			—			1,648			—		1,648		105,706
	Real estate – 1-4 family mortgage	6,685				1,992				867,053			875,730			1,249			13,417			13,027		27,693		903,423
	Real estate – commercial mortgage	5,084				1,250				1,373,470			1,379,804			325			38,297			8,217		46,839		1,426,643
	Installment loans to individuals	197				50				56,715			56,962			7			265			7		279		57,241
	Unearned income	—				—				(5		)	(5		)	—			—			—		—		(5		)
	Total	$	12,530			$	3,307			$	2,714,349		$	2,730,186		$	1,796		$	56,758		$	21,513	$	80,067	$	2,810,253
	Restructured loans contractually 90 days past due or more totaled $646 at December 31, 2012. There were no restructured loans contractually 90 days past due or more at September 30, 2013. The outstanding balance of restructured loans on nonaccrual status was $12,662 and $11,420 at September 30, 2013 and December 31, 2012, respectively.
	Impaired Loans
	A loan is considered impaired when, based on current information and events, it is probable that the Company will be unable to collect the scheduled payments of principal or interest when due according to the contractual terms of the loan agreement. Impairment is measured on a loan-by-loan basis for commercial, consumer and construction loans above a minimum dollar amount threshold by either the present value of expected future cash flows discounted at the loan’s effective interest rate, the loan’s obtainable market price or the fair value of the collateral if the loan is collateral dependent. Large groups of smaller balance homogeneous loans are evaluated collectively for impairment. When the ultimate collectability of an impaired loan’s principal is in doubt, wholly or partially, all cash receipts are applied to principal. Once the recorded balance has been reduced to zero, future cash receipts are applied to interest income, to the extent any interest has been foregone, and then they are recorded as recoveries of any amounts previously charged-off. For impaired loans, a specific reserve is established to adjust the carrying value of the loan to its estimated net realizable value.
	Impaired loans recognized in conformity with Financial Accounting Standards Board Accounting Standards Codification Topic ("ASC") 310, “Receivables” (“ASC 310”), segregated by class, were as follows as of the dates presented:
		Unpaid				Recorded				Recorded			Total			Related
		Contractual				Investment				Investment			Recorded			Allowance
		Principal				With				With No			Investment
		Balance				Allowance				Allowance
	30-Sep-13
	Commercial, financial, agricultural	$	6,536			$	603			$	2,193		$	2,796		$	260
	Lease financing	—				—				—			—			—
	Real estate – construction	2,447				—				1,648			1,648			—
	Real estate – 1-4 family mortgage	39,279				25,285				4,776			30,061			7,569
	Real estate – commercial mortgage	107,940				30,545				39,269			69,814			7,079
	Installment loans to individuals	—				—				—			—			—
	Total	$	156,202			$	56,433			$	47,886		$	104,319		$	14,908
	December 31, 2012
	Commercial, financial, agricultural	$	5,142			$	1,620			$	1,620		$	3,240		$	708
	Lease financing	—				—				—			—			—
	Real estate – construction	2,447				—				1,648			1,648			—
	Real estate – 1-4 family mortgage	80,022				28,848				10,094			38,942			9,201
	Real estate – commercial mortgage	118,167				34,400				39,450			73,850			7,688
Installment loans to individuals	—				—				—			—			—
Totals	$	205,778			$	64,868			$	52,812		$	117,680		$	17,597
The following table presents the average recorded investment and interest income recognized on impaired loans for the periods presented:
	Three Months Ended								Three Months Ended
	30-Sep-13								30-Sep-12
	Average				Interest				Average			Interest
	Recorded				Income				Recorded			Income
	Investment				Recognized				Investment			Recognized(1)
Commercial, financial, agricultural	$	5,183			$	4			$	3,474		$	25
Lease financing	—				—				—			—
Real estate – construction	1,650				—				2,086			6
Real estate – 1-4 family mortgage	32,274				158				58,104			917
Real estate – commercial mortgage	75,312				379				89,463			620
Installment loans to individuals	—				—				—			—
Total	$	114,419			$	541			$	153,127		$	1,568
-1	Includes interest income recognized using the cash-basis method of income recognition of $814. No interest income was recognized using the cash-basis method of income recognition during the three months ended September 30, 2013.
	Nine Months Ended								Nine Months Ended
	30-Sep-13								30-Sep-12
	Average				Interest				Average			Interest
	Recorded				Income				Recorded			Income
	Investment				Recognized				Investment			Recognized(1)
Commercial, financial, agricultural	$	5,123			$	4			$	3,610		$	41
Lease financing	—				—				—			—
Real estate – construction	1,650				—				2,087			6
Real estate – 1-4 family mortgage	33,181				449				62,320			1,515
Real estate – commercial mortgage	75,997				845				95,050			1,696
Installment loans to individuals	—				—				—			—
Total	$	115,951			$	1,298			$	163,067		$	3,258
-1	Includes interest income recognized using the cash-basis method of income recognition of $1,128. No interest income was recognized using the cash-basis method of income recognition during the nine months ended September 30, 2013.
Restructured Loans
Restructured loans are those for which concessions have been granted to the borrower due to a deterioration of the borrower’s financial condition and which are performing in accordance with the new terms. Such concessions may include reduction in interest rates or deferral of interest or principal payments. In evaluating whether to restructure a loan, management analyzes the long-term financial condition of the borrower, including guarantor and collateral support, to determine whether the proposed concessions will increase the likelihood of repayment of principal and interest. Restructured loans that are not performing in accordance with their restructured terms that are either contractually 90 days past due or placed on nonaccrual status are reported as nonperforming loans. The following table presents restructured loans segregated by class as of the dates presented:
	Number of			Pre-				Post-
	Loans			Modification				Modification
				Outstanding				Outstanding
				Recorded				Recorded
				Investment				Investment
30-Sep-13
Commercial, financial, agricultural	1			$	—			$	20
Lease financing	—			—				—
Real estate – construction	—			—				—
Real estate – 1-4 family mortgage	23			18,670				10,625
Real estate – commercial mortgage	16			12,224				11,419
Installment loans to individuals	1			—				172
Total	41			$	30,894			$	22,236
December 31, 2012
Commercial, financial, agricultural	—			$	—			$	—
Lease financing	—			—				—
Real estate – construction	—			—				—
Real estate – 1-4 family mortgage	19			18,450				10,853
Real estate – commercial mortgage	16			18,985				18,409
Installment loans to individuals	1			184				174
Total	36			$	37,619			$	29,436
Changes in the Company’s restructured loans are set forth in the table below:
	Number of			Recorded
	Loans			Investment
Totals at January 1, 2013	36			$	29,436
Additional loans with concessions	13			4,319
Reductions due to:
Reclassified as nonperforming	(2	)		(3,227		)
Charge-offs	(2	)		(877		)
Transfer to other real estate owned	—			—
Principal paydowns				(1,674		)
Lapse of concession period	(4	)		(5,741		)
Totals at September 30, 2013	41			$	22,236
The allocated allowance for loan losses attributable to restructured loans was $3,218 and $3,969 at September 30, 2013 and December 31, 2012, respectively. The Company had $93 and $288 in remaining availability under commitments to lend additional funds on these restructured loans at September 30, 2013 and December 31, 2012, respectively.
Credit Quality
For loans originated for commercial purposes, internal risk-rating grades are assigned by lending, credit administration or loan review personnel, based on an analysis of the financial and collateral strength and other credit attributes underlying each loan. Management analyzes the resulting ratings, as well as other external statistics and factors such as delinquency, to track the migration performance of the portfolio balances of these loans. Loan grades range between 1 and 9, with 1 being loans with the least credit risk. Loans that migrate toward the “Pass” grade (those with a risk rating between 1 and 4) or within the “Pass” grade generally have a lower risk of loss and therefore a lower risk factor. The “Watch” grade (those with a risk rating of 5) is utilized on a temporary basis for “Pass” grade loans where a significant adverse risk-modifying action is anticipated in the near term. Loans that migrate toward the “Substandard” grade (those with a risk rating between 6 and 9) generally have a higher risk of loss and therefore a higher risk factor applied to those related loan balances. The following table presents the Company’s loan portfolio by risk-rating grades as of the dates presented:
	Pass				Watch				Substandard			Total
30-Sep-13
Commercial, financial, agricultural	$	330,739			$	27,455			$	1,868		$	360,062
Real estate – construction	106,040				922				—			106,962
Real estate – 1-4 family mortgage	129,710				13,960				28,652			172,322
Real estate – commercial mortgage	1,347,068				31,917				36,377			1,415,362
Installment loans to individuals	4				—				—			4
Total	$	1,913,561			$	74,254			$	66,897		$	2,054,712
December 31, 2012
Commercial, financial, agricultural	$	226,540			$	1,939			$	3,218		$	231,697
Real estate – construction	71,633				651				—			72,284
Real estate – 1-4 family mortgage	96,147				24,138				32,589			152,874
Real estate – commercial mortgage	989,095				46,148				37,996			1,073,239
Installment loans to individuals	7				—				—			7
Total	$	1,383,422			$	72,876			$	73,803		$	1,530,101
For portfolio balances of consumer, consumer mortgage and certain other loans originated for other than commercial purposes, allowance factors are determined based on historical loss ratios by portfolio for the preceding eight quarters and may be adjusted by other qualitative criteria. The following table presents the performing status of the Company’s loan portfolio not subject to risk rating as of the dates presented:
	Performing				Non-				Total
					Performing
30-Sep-13
Commercial, financial, agricultural	$	82,283			$	164			$	82,447
Lease financing	75				—				75
Real estate – construction	41,045				—				41,045
Real estate – 1-4 family mortgage	910,066				2,667				912,733
Real estate – commercial mortgage	227,578				263				227,841
Installment loans to individuals	87,388				95				87,483
Total	$	1,348,435			$	3,189			$	1,351,624
December 31, 2012
Commercial, financial, agricultural	$	74,003			$	210			$	74,213
Lease financing	195				—				195
Real estate – construction	31,774				—				31,774
Real estate – 1-4 family mortgage	670,074				5,328				675,402
Real estate – commercial mortgage	195,086				449				195,535
Installment loans to individuals	54,918				91				55,009
Total	$	1,026,050			$	6,078			$	1,032,128
Loans Acquired with Deteriorated Credit Quality
Loans acquired in business combinations that exhibited, at the date of acquisition, evidence of deterioration of the credit quality since origination, such that it was probable that all contractually required payments would not be collected, were as follows as of the dates presented:
	Impaired				Other				Not			Total
	Covered				Covered				Covered
	Loans				Loans				Loans
30-Sep-13
Commercial, financial, agricultural	$	—			$	10,295			$	26,186		$	36,481
Lease financing	—				—				—			—
Real estate – construction	—				1,648				4,235			5,883
Real estate – 1-4 family mortgage	1,040				55,683				51,610			108,333
Real estate – commercial mortgage	24,279				103,036				196,548			323,863
Installment loans to individuals	—				31				7,489			7,520
Total	$	25,319			$	170,693			$	286,068		$	482,080
December 31, 2012
Commercial, financial, agricultural	$	—			$	10,800			$	340		$	11,140
Lease financing	—				—				—			—
Real estate – construction	—				1,648				—			1,648
Real estate – 1-4 family mortgage	6,122				67,326				1,699			75,147
Real estate – commercial mortgage	25,782				125,379				6,708			157,869
Installment loans to individuals	—				31				2,194			2,225
Total	$	31,904			$	205,184			$	10,941		$	248,029
The references in the table above and elsewhere in these Notes to "covered loans" and "not covered loans" (as well as to "covered OREO" and "not covered OREO") refer to loans (or OREO, as applicable) covered and not covered, respectively, by loss-share agreements with the FDIC. See Note E, "FDIC Loss-Share Indemnification Asset," below for more information.
The following table presents the fair value of loans determined to be impaired at the time of acquisition and determined not to be impaired at the time of acquisition at September 30, 2013:
	Impaired				Other				Not			Total
	Covered				Covered				Covered
	Loans				Loans				Loans
Contractually-required principal and interest	$	67,522			$	214,907			$	371,358		$	653,787
Nonaccretable difference(1)	(42,202		)		(40,896		)		(48,859		)	(131,957		)
Cash flows expected to be collected	25,320				174,011				322,499			521,830
Accretable yield(2)	(1		)		(3,318		)		(36,431		)	(39,750		)
Fair value	$	25,319			$	170,693			$	286,068		$	482,080
-1	Represents contractual principal and interest cash flows of $641,495 and $12,292, respectively, not expected to be collected.
-2	Represents contractual interest payments of $3,355 expected to be collected and purchase discount of $36,395.
Changes in the accretable yield of loans acquired with deteriorated credit quality were as follows:
	Impaired				Other				Not			Total
	Covered				Covered				Covered
	Loans				Loans				Loans
Balance at January 1, 2013	$	(13	)		$	(6,705	)		$	(1,130	)	$	(7,848	)
Reclasses from nonaccretable difference	(109		)		(3,557		)		(36,668		)	(40,334		)
Accretion	121				6,944				1,367			8,432
Balance at September 30, 2013	$	(1	)		$	(3,318	)		$	(36,431	)	$	(39,750	)
Allowance for Loan Losses
The allowance for loan losses is maintained at a level believed adequate by management to absorb probable credit losses inherent in the entire loan portfolio. The appropriate level of the allowance is based on an ongoing analysis of the loan portfolio and represents an amount that management deems adequate to provide for inherent losses, including collective impairment as recognized under ASC 450, “Contingencies”. Collective impairment is calculated based on loans grouped by grade. Another component of the allowance is losses on loans assessed as impaired under ASC 310. The balance of these loans and their related allowance is included in management’s estimation and analysis of the allowance for loan losses. Management and the internal loan review staff evaluate the adequacy of the allowance for loan losses quarterly. The allowance for loan losses is evaluated based on a continuing assessment of problem loans, the types of loans, historical loss experience, new lending products, emerging credit trends, changes in the size and character of loan categories and other factors, including its risk rating system, regulatory guidance and economic conditions. This evaluation is inherently subjective, as it requires estimates that are susceptible to significant revision as more information becomes available. The allowance for loan losses is established through a provision for loan losses charged to earnings resulting from measurements of inherent credit risk in the loan portfolio and estimates of probable losses or impairments of individual loans. Loan losses are charged against the allowance when management believes the uncollectability of a loan balance is confirmed. Subsequent recoveries, if any, are credited to the allowance.
The following table provides a roll forward of the allowance for loan losses and a breakdown of the ending balance of the allowance based on the Company’s impairment methodology for the periods presented:
	Commercial				Real Estate -				Real Estate -			Real Estate  -			Installment			Total
					Construction				1-4 Family			Commercial			and  Other(1)
									Mortgage			Mortgage
Three Months Ended September 30, 2013
Allowance for loan losses:
Beginning balance	$	3,478			$	863			$	19,432		$	22,239		$	1,022		$	47,034
Charge-offs	(887		)		—				(1,251		)	(1,106		)	(82		)	(3,326		)
Recoveries	54				7				120			38			23			242
Net (charge-offs) recoveries	(833		)		7				(1,131		)	(1,068		)	(59		)	(3,084		)
Provision for loan losses	364				44				370			1,975			15			2,768
Benefit attributable to FDIC loss-share agreements	(67		)		—				(326		)	(129		)	—			(522		)
Recoveries payable to FDIC	5				—				45			4			—			54
Provision for loan losses charged to operations	302				44				89			1,850			15			2,300
Ending balance	$	2,947			$	914			$	18,390		$	23,021		$	978		$	46,250
Nine Months Ended September 30, 2013
Allowance for loan losses:
Beginning balance	$	3,307			$	711			$	18,347		$	21,416		$	566		$	44,347
Charge-offs	(1,167		)		—				(2,517		)	(4,226		)	(434		)	(8,344		)
Recoveries	301				70				591			885			50			1,897
Net (charge-offs) recoveries	(866		)		70				(1,926		)	(3,341		)	(384		)	(6,447		)
Provision for loan losses	874				132				2,088			5,762			796			9,652
Benefit attributable to FDIC loss-share agreements	(397		)		—				(956		)	(840		)	—			(2,193		)
Recoveries payable to FDIC	29				1				837			24			—			891
Provision for loan losses charged to operations	506				133				1,969			4,946			796			8,350
Ending balance	$	2,947			$	914			$	18,390		$	23,021		$	978		$	46,250
Period-End Amount Allocated to:
Individually evaluated for impairment	$	260			$	—			$	7,569		$	7,079		$	—		$	14,908
Collectively evaluated for impairment	2,687				914				10,821			15,942			978			31,342
Acquired with deteriorated credit quality	—				—				—			—			—			—
Ending balance	$	2,947			$	914			$	18,390		$	23,021		$	978		$	46,250
	Commercial				Real Estate -				Real Estate -			Real Estate  -			Installment			Total
					Construction				1-4 Family			Commercial			and  Other(1)
									Mortgage			Mortgage
Three Months Ended September 30, 2012
Allowance for loan losses:
Beginning balance	$	3,235			$	966			$	18,980		$	20,765		$	833		$	44,779
Charge-offs	(2,590		)		—				(2,682		)	(780		)	(118		)	(6,170		)
Recoveries	145				3				648			22			17			835
Net (charge-offs) recoveries	(2,445		)		3				(2,034		)	(758		)	(101		)	(5,335		)
Provision for loan losses	2,795				79				2,269			988			(164		)	5,967
Benefit attributable to FDIC loss-share agreements	(335		)		—				(1,187		)	(60		)	—			(1,582		)
Recoveries payable to FDIC	2				—				162			76			—			240
Provision for loan losses charged to operations	2,462				79				1,244			1,004			(164		)	4,625
Ending balance	$	3,252			$	1,048			$	18,190		$	21,011		$	568		$	44,069
Nine Months Ended September 30, 2012
Allowance for loan losses:
Beginning balance	$	4,197			$	1,073			$	17,191		$	20,979		$	900		$	44,340
Charge-offs	(4,623		)		(42		)		(7,230		)	(3,806		)	(321		)	(16,022		)
Recoveries	323				6				981			247			69			1,626
Net charge-offs	(4,300		)		(36		)		(6,249		)	(3,559		)	(252		)	(14,396		)
Provision for loan losses	4,052				28				10,269			6,640			(84		)	20,905
Benefit attributable to FDIC loss-share agreements	(723		)		(17		)		(3,421		)	(3,592		)	—			(7,753		)
Recoveries payable to FDIC	26				—				400			543			4			973
Provision for loan losses charged to operations	3,355				11				7,248			3,591			(80		)	14,125
Ending balance	$	3,252			$	1,048			$	18,190		$	21,011		$	568		$	44,069
Period-End Amount Allocated to:
Individually evaluated for impairment	$	715			$	2			$	10,011		$	8,441		$	—		$	19,169
Collectively evaluated for impairment	2,537				1,046				8,179			12,570			568			24,900
Acquired with deteriorated credit quality	—				—				—			—			—			—
Ending balance	$	3,252			$	1,048			$	18,190		$	21,011		$	568		$	44,069
-1	Includes lease financing receivables.
The following table provides the recorded investment in loans, net of unearned income, based on the Company’s impairment methodology as of the dates presented:
	Commercial				Real Estate  -				Real Estate -			Real Estate  -			Installment			Total
					Construction				1-4 Family			Commercial			and  Other(1)
									Mortgage			Mortgage
30-Sep-13
Individually evaluated for impairment	$	771			$	—			$	25,537		$	30,545		$	—		$	56,853
Collectively evaluated for impairment	443,991				146,334				1,058,353			1,606,176			87,745			3,342,599
Acquired with deteriorated credit quality	36,481				5,883				108,333			323,863			7,520			482,080
Ending balance	$	481,243			$	152,217			$	1,192,223		$	1,960,584		$	95,265		$	3,881,532
December 31, 2012
Individually evaluated for impairment	$	1,620			$	—			$	28,848		$	34,400		$	—		$	64,868
Collectively evaluated for impairment	304,290				104,058				799,428			1,234,374			55,206			2,497,356
Acquired with deteriorated credit quality	11,140				1,648				75,147			157,869			2,225			248,029
Ending balance	$	317,050			$	105,706			$	903,423		$	1,426,643		$	57,431		$	2,810,253
-1	Includes lease financing receivables.

Other_Real_Estate_Owned

Other Real Estate Owned	9 Months Ended
	Sep. 30, 2013
Real Estate [Abstract]	'
Other Real Estate Owned	'
	Other Real Estate Owned
	(In Thousands)
	The following table provides details of the Company’s other real estate owned (“OREO”) covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs as of the dates presented:
		Covered			Not Covered			Total
		OREO			OREO			OREO
	30-Sep-13
	Residential real estate	$	3,819		$	3,519		$	7,338
	Commercial real estate	4,271			9,122			13,393
	Residential land development	1,181			14,448			15,629
	Commercial land development	7,309			13,492			20,801
	Total	$	16,580		$	40,581		$	57,161
	December 31, 2012
	Residential real estate	$	8,778		$	7,842		$	16,620
	Commercial real estate	14,368			7,779			22,147
	Residential land development	5,005			22,490			27,495
	Commercial land development	17,383			6,221			23,604
	Other	—			385			385
	Total	$	45,534		$	44,717		$	90,251
	Changes in the Company’s OREO covered and not covered under a loss-share agreement were as follows:
		Covered			Not Covered			Total
		OREO			OREO			OREO
	Balance at January 1, 2013	$	45,534		$	44,717		$	90,251
	Acquired OREO	—			13,674			13,674
	Transfers of loans	7,025			6,575			13,600
	Capitalized improvements	—			129			129
	Impairments(1)	(6,275		)	(1,574		)	(7,849		)
	Dispositions	(29,646		)	(22,939		)	(52,585		)
	Other	(58		)	(1		)	(59		)
	Balance at September 30, 2013	$	16,580		$	40,581		$	57,161
	-1	Of the total impairment charges of $(6,275) recorded for covered OREO, $(1,255) was included in the Consolidated Statements of Income for the nine months ended September 30, 2013, while the remaining $(5,020) increased the FDIC loss-share indemnification asset.
	Components of the line item “Other real estate owned” in the Consolidated Statements of Income were as follows for the periods presented:
		Three Months Ended						Nine Months Ended
		September 30,						September 30,
		2013			2012			2013			2012
	Repairs and maintenance	$	565		$	839		$	1,473		$	2,035
	Property taxes and insurance	163			492			820			1,068
	Impairments	594			1,023			2,829			5,190
	Net losses on OREO sales	293			195			511			1,864
	Rental income	(78		)	(109		)	(274		)	(348		)
	Total	$	1,537		$	2,440		$	5,359		$	9,809

FDIC_LossShare_Indemnification

FDIC Loss-Share Indemnification Asset	9 Months Ended
	Sep. 30, 2013
FDIC Loss-Share Indemnification Asset [Abstract]	'
FDIC Loss-Share Indemnification Asset	'
	FDIC Loss-Share Indemnification Asset
	(In Thousands)
	As part of the loan portfolio and OREO fair value estimation in connection with FDIC-assisted acquisitions, a FDIC loss-share indemnification asset is established, which represents the present value as of the acquisition date of the estimated losses on covered assets to be reimbursed by the FDIC. Pursuant to the terms of both of our loss-share agreements, the FDIC is obligated to reimburse the Bank for 80% of all eligible losses with respect to covered assets, beginning with the first dollar of loss incurred. The Bank has a corresponding obligation to reimburse the FDIC for 80% of eligible recoveries with respect to covered assets. The estimated losses are based on the same cash flow estimates used in determining the fair value of the covered assets. The FDIC loss-share indemnification asset is reduced as losses are recognized on covered assets and loss-share payments are received from the FDIC. Realized losses in excess of estimates as of the date of the acquisition increase the FDIC loss-share indemnification asset. Conversely, when realized losses are less than these estimates, the portion of the FDIC loss-share indemnification asset no longer expected to result in a payment from the FDIC is amortized into interest income using the effective interest method.
	Changes in the FDIC loss-share indemnification asset were as follows:
	Balance at January 1, 2013	$	44,153
	Changes in expected cash flows from initial estimates on:
	Covered Loans	476
	Covered OREO	3,589
	Reimbursable expenses	3,278
	Accretion	600
	Reimbursements received from the FDIC	(24,271		)
	Balance at September 30, 2013	$	27,825

Mortgage_Servicing_Rights

Mortgage Servicing Rights	9 Months Ended
	Sep. 30, 2013
Transfers and Servicing [Abstract]	'
Mortgage Servicing Rights	'
	Mortgage Servicing Rights
	(In Thousands)
	The Company retains the right to service certain mortgage loans that it sells to secondary market investors. These mortgage servicing rights, included in “Other assets” on the Consolidated Balance Sheets, are recognized as a separate asset on the date the corresponding mortgage loan is sold. Mortgage servicing rights are amortized in proportion to and over the period of estimated net servicing income. These servicing rights are carried at the lower of amortized cost or fair value. Fair value is determined using an income approach with various assumptions including expected cash flows, prepayment speeds, market discount rates, servicing costs, and other factors. Mortgage servicing rights were carried at amortized cost at September 30, 2013 and December 31, 2012.
	Impairment losses on mortgage servicing rights are recognized to the extent by which the unamortized cost exceeds fair value. No impairment losses on mortgage servicing rights were recognized in earnings for the three or nine months ended September 30, 2013 and 2012.
	Changes in the Company’s mortgage servicing rights were as follows:
	Balance at January 1, 2013	$	4,233
	Capitalization	4,674
	Amortization	(571		)
	Balance at September 30, 2013	$	8,336
	Data and key economic assumptions related to the Company’s mortgage servicing rights as of September 30, 2013 are as follows:
	Unpaid principal balance	$	802,454
	Weighted-average prepayment speed (CPR)	2.7		%
	Estimated impact of a 10% increase	$	(601	)
	Estimated impact of a 20% increase	(795		)
	Discount rate	11.26		%
	Estimated impact of a 10% increase	$	(677	)
	Estimated impact of a 20% increase	(940		)
	Weighted-average coupon interest rate	3.22		%
	Weighted-average servicing fee (basis points)	25.09
	Weighted-average remaining maturity (in years)	24.17

Employee_Benefit_and_Deferred_

Employee Benefit and Deferred Compensation Plans	9 Months Ended
	Sep. 30, 2013
Compensation and Retirement Disclosure [Abstract]	'
Employee Benefit and Deferred Compensation Plans	'
	Employee Benefit and Deferred Compensation Plans
	(In Thousands, Except Share Data)
	The plan expense for the Company-sponsored noncontributory defined benefit pension plan (“Pension Benefits”) and post-retirement health and life plans (“Other Benefits”) for the periods presented was as follows:
		Pension Benefits						Other Benefits
		Three Months Ended						Three Months Ended
		September 30,						September 30,
		2013			2012			2013			2012
	Service cost	$	—		$	—		$	8		$	6
	Interest cost	222			216			21			16
	Expected return on plan assets	(359		)	(298		)	—			—
	Prior service cost recognized	—			—			—			—
	Recognized actuarial loss	114			88			70			18
	Net periodic benefit cost (return)	$	(23	)	$	6		$	99		$	40
		Pension Benefits						Other Benefits
		Nine Months Ended						Nine Months Ended
		September 30,						September 30,
		2013			2012			2013			2012
	Service cost	$	—		$	—		$	21		$	18
	Interest cost	597			646			48			48
	Expected return on plan assets	(979		)	(894		)	—			—
	Prior service cost recognized	—			—			—			—
	Recognized actuarial loss	313			266			125			54
	Net periodic benefit cost (return)	$	(69	)	$	18		$	194		$	120
	In January 2013 and 2012, the Company granted stock options which generally vest and become exercisable in equal installments of 33 1/3% upon completion of one, two and three years of service measured from the grant date. The fair value of stock option grants is estimated on the grant date using the Black-Scholes option-pricing model. The Company employed the following assumptions with respect to its stock option grants in 2013 and 2012 for the nine month periods ended September 30, 2013 and 2012:
		2013 Grant			2012 Grant
	Shares granted	52,500			172,000
	Dividend yield	3.55		%	4.55		%
	Expected volatility	37		%	37		%
	Risk-free interest rate	0.76		%	0.79		%
	Expected lives	6 years			6 years
	Weighted average exercise price	$	19.14		$	14.96
	Weighted average fair value	$	4.47		$	3.1
	In connection with its merger with First M&F, the Company assumed First M&F's 2005 Equity Incentive Plan and Stock Option Plan, under which options to purchase an aggregate of 11,557 shares of the Company's common stock were outstanding as of the date of assumption. The assumed options had a weighted average exercise price of $21.16 and a weighted average remaining contractual life of 2.05 years at the date of assumption. The fair value of the stock options assumed on the date of assumption was $68 and was estimated using the Black-Scholes option-pricing model. No additional options or other forms of equity incentives will be granted or awarded under this plan.
	The following table summarizes the changes in stock option grants as of and for the nine months ended September 30, 2013:
			Shares		Weighted Average Exercise Price
	Options outstanding at beginning of period		1,279,244		$	18.79
	Assumed from acquisition		11,557		21.16
	Granted		52,500		19.14
	Exercised		(216,805	)	19.63
	Forfeited		(10,000	)	27.2
	Options outstanding at end of period		1,116,496		$	18.59
	The Company awards performance-based restricted stock to executives and time-based restricted stock to directors and other officers and employees under a long-term equity incentive plan. The performance-based restricted stock vests upon completion of a one-year service period and the attainment of certain performance goals. Performance-based restricted stock is issued at the target level; the number of shares ultimately awarded is determined at the end of each year and may be increased or decreased depending on the Company falling short of, meeting or exceeding financial performance measures defined by the Board of Directors. Time-based restricted stock vests at the end of the service period defined in the respective grant. The fair value of each restricted stock grant is the closing price of the Company's common stock on the day immediately preceding the grant date. The following table summarizes the changes in restricted stock as of and for the nine months ended September 30, 2013:
			Performance-Based Restricted Stock		Weighted Average Grant-Date Fair Value			Time- Based Restricted Stock		Weighted Average Grant-Date Fair Value
	Nonvested at beginning of period		—		$	—		9,684		$	15.49
	Granted		69,850		19.14			32,338		22.7
	Vested		—		—			(9,038	)	15.49
	Cancelled		—		—			(646	)	15.49
	Nonvested at end of period		69,850		$	19.14		32,338		$	22.7
	During the nine months ended September 30, 2013, the Company reissued 84,712 shares from treasury in connection with the exercise of stock options and issuance of restricted stock. The Company recorded total stock-based compensation expense of $885 and $329 for the three months ended September 30, 2013 and 2012, respectively, and $1,840 and $937 for the nine months ended September 30, 2013 and 2012, respectively.

Segment_Reporting

Segment Reporting	9 Months Ended
	Sep. 30, 2013
Segment Reporting [Abstract]	'
Segment Reporting	'
	Segment Reporting
	(In Thousands)
	The operations of the Company’s reportable segments are described as follows:
	•	The Community Banks segment delivers a complete range of banking and financial services to individuals and small to medium-sized businesses including checking and savings accounts, business and personal loans, equipment leasing, as well as safe deposit and night depository facilities.
	•	The Insurance segment includes a full service insurance agency offering all major lines of commercial and personal insurance through major carriers.
	•	The Wealth Management segment offers a broad range of fiduciary services which includes the administration and management of trust accounts including personal and corporate benefit accounts, self-directed IRA’s, and custodial accounts. In addition, the Wealth Management segment offers annuities, mutual funds and other investment services through a third party broker-dealer.
	In order to give the Company’s divisional management a more precise indication of the income and expenses they can control, the results of operations for the Community Banks, the Insurance and the Wealth Management segments reflect the direct revenues and expenses of each respective segment. Indirect revenues and expenses, including but not limited to income from the Company’s investment portfolio, as well as certain costs associated with data processing and back office functions, primarily support the operations of the community banks and, therefore, are included in the results of the Community Banks segment. Included in “Other” are the operations of the holding company and other eliminations which are necessary for purposes of reconciling to the consolidated amounts.
	The following table provides financial information for the Company’s operating segments for the periods presented:
		Community		Insurance		Wealth			Other			Consolidated
		Banks				Management
	Three months ended September 30, 2013
	Net interest income	39,133		29		331			(745		)	38,748
	Provision for loan losses	2,307		—		(7		)	—			2,300
	Noninterest income	16,160		1,428		1,325			22			18,935
	Noninterest expense	43,590		1,021		1,768			234			46,613
	Income (loss) before income taxes	9,396		436		(105		)	(957		)	8,770
	Income taxes	2,428		77		—			(372		)	2,133
	Net income (loss)	6,968		359		(105		)	(585		)	6,637
	Total assets	$	5,662,257	$	16,661	$	42,291		$	14,839		$	5,736,048
	Goodwill	272,545		2,783		—			—			275,328
	Three months ended September 30, 2012
	Net interest income	$	33,444	$	23	$	314		$	(649	)	$	33,132
	Provision for loan losses	4,659		—		(34		)	—			4,625
	Noninterest income	15,428		887		1,720			20			18,055
	Noninterest expense	36,042		786		1,661			183			38,672
	Income (loss) before income taxes	8,171		124		407			(812		)	7,890
	Income taxes	1,203		48		51			(449		)	853
	Net income (loss)	$	6,968	$	76	$	356		$	(363	)	$	7,037
	Total assets	$	4,105,716	$	10,725	$	35,172		$	12,993		$	4,164,606
	Goodwill	182,076		2,783		—			—			184,859
		Community		Insurance		Wealth			Other			Consolidated
		Banks				Management
	Nine months ended September 30, 2013
	Net interest income	107,061		76		950			(1,554		)	106,533
	Provision for loan losses	8,214		—		136			—			8,350
	Noninterest income	46,282		3,434		3,866			48			53,630
	Noninterest expense	113,613		2,647		5,085			602			121,947
	Income (loss) before income taxes	31,516		863		(405		)	(2,108		)	29,866
	Income taxes	8,230		242		—			(833		)	7,639
	Net income (loss)	23,286		621		(405		)	(1,275		)	22,227
	Total assets	$	5,662,257	$	16,661	$	42,291		$	14,839		$	5,736,048
	Goodwill	272,545		2,783		—			—			275,328
	Nine months ended September 30, 2012
	Net interest income	$	100,210	$	71	$	1,018		$	(1,914	)	$	99,385
	Provision for loan losses	14,176		—		(51		)	—			14,125
	Noninterest income	42,507		2,957		5,234			63			50,761
	Noninterest expense	104,525		2,362		4,773			424			112,084
	Income (loss) before income taxes	24,016		666		1,530			(2,275		)	23,937
	Income taxes	4,990		258		340			(1,007		)	4,581
	Net income (loss)	$	19,026	$	408	$	1,190		$	(1,268	)	$	19,356
	Total assets	$	4,105,716	$	10,725	$	35,172		$	12,993		$	4,164,606
	Goodwill	182,076		2,783		—			—			184,859

Fair_Value_Measurements

Fair Value Measurements	9 Months Ended
	Sep. 30, 2013
Fair Value Disclosures [Abstract]	'
Fair Value Measurements	'
	Fair Value Measurements
	(In Thousands)
	Fair Value Measurements and the Fair Level Hierarchy
	ASC 820, “Fair Value Measurements and Disclosures,” provides guidance for using fair value to measure assets and liabilities and also establishes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The fair value hierarchy gives the highest priority to a valuation based on quoted prices in active markets for identical assets and liabilities (Level 1), moderate priority to a valuation based on quoted prices in active markets for similar assets and liabilities and/or based on assumptions that are observable in the market (Level 2), and the lowest priority to a valuation based on assumptions that are not observable in the market (Level 3).
	Recurring Fair Value Measurements
	The Company carries certain assets and liabilities at fair value on a recurring basis in accordance with applicable standards. The Company’s recurring fair value measurements are based on the requirement to carry such assets and liabilities at fair value or the Company’s election to carry certain eligible assets and liabilities at fair value. Assets and liabilities that are required to be carried at fair value include securities available for sale and derivative instruments. The Company has elected to carry mortgage loans held for sale at fair value on a recurring basis as permitted under the guidance in ASC 825, “Financial Instruments” (“ASC 825”).
	The following methods and assumptions are used by the Company to estimate the fair values of the Company’s financial assets and liabilities that are measured on a recurring basis:
	Securities available for sale: Securities available for sale consist primarily of debt securities, such as obligations of U.S. Government agencies and corporations, mortgage-backed securities, trust preferred securities, and other debt and equity securities. Where quoted market prices in active markets are available, securities are classified within Level 1 of the fair value hierarchy. If quoted prices from active markets are not available, fair values are based on quoted market prices for similar instruments traded in active markets, quoted market prices for identical or similar instruments traded in markets that are not active, or model-based valuation techniques where all significant assumptions are observable in the market. Such instruments are classified within Level 2 of the fair value hierarchy. When assumptions used in model-based valuation techniques are not observable in the market, the assumptions used by management reflect estimates of assumptions used by other market participants in determining fair value. When there is limited transparency around the inputs to the valuation, the instruments are classified within Level 3 of the fair value hierarchy.
	Derivative instruments: The Company uses derivatives to manage various financial risks. Most of the Company’s derivative contracts are extensively traded in over-the-counter markets and are valued using discounted cash flow models which incorporate observable market based inputs including current market interest rates, credit spreads, and other factors. Such instruments are categorized within Level 2 of the fair value hierarchy and include interest rate swaps and other interest rate contracts such as interest rate caps and/or floors. The Company’s interest rate lock commitments are valued using current market prices for mortgage-backed securities with similar characteristics, adjusted for certain factors including servicing and risk. The value of the Company’s forward commitments is based on current prices for securities backed by similar types of loans. Because these assumptions are observable in active markets, the Company’s interest rate lock commitments and forward commitments are categorized within Level 2 of the fair value hierarchy.
	Mortgage loans held for sale: Mortgage loans held for sale are primarily agency loans which trade in active secondary markets. The fair value of these instruments is derived from current market pricing for similar loans, adjusted for differences in loan characteristics, including servicing and risk. Because the valuation is based on external pricing of similar instruments, mortgage loans held for sale are classified within Level 2 of the fair value hierarchy.
	The following table presents assets and liabilities that are measured at fair value on a recurring basis as of the dates presented:
		Level 1			Level 2			Level 3			Totals
	30-Sep-13
	Financial assets:
	Securities available for sale:
	Obligations of other U.S. Government agencies and corporations	$	—		$	6,086		$	—		$	6,086
	Residential mortgage-backed securities:
	Government agency mortgage backed securities	—			220,930			—			220,930
	Government agency collateralized mortgage obligations	—			149,356			—			149,356
	Commercial mortgage-backed securities:
	Government agency mortgage backed securities	—			42,379			—			42,379
	Government agency collateralized mortgage obligations	—			5,111			—			5,111
	Trust preferred securities	—			—			16,753			16,753
	Other debt securities	—			20,241			—			20,241
	Other equity securities	—			3,877			—			3,877
	Total securities available for sale	—			447,980			16,753			464,733
	Derivative instruments:
	Interest rate contracts	—			1,488			—			1,488
	Interest rate lock commitments	—			2,376			—			2,376
	Total derivative instruments	—			3,864			—			3,864
	Mortgage loans held for sale	—			28,466			—			28,466
	Total financial assets	$	—		$	480,310		$	16,753		$	497,063
	Financial liabilities:
	Derivative instruments:
	Interest rate swaps	$	—		$	1,904		$	—		$	1,904
	Interest rate contracts	—			1,488			—			1,488
	Forward commitments	—			1,392			—			1,392
	Total derivative instruments	—			4,784			—			4,784
	Total financial liabilities	$	—		$	4,784		$	—		$	4,784
		Level 1			Level 2			Level 3			Totals
	December 31, 2012
	Financial assets:
	Securities available for sale:
	Obligations of other U.S. Government agencies and corporations	$	—		$	2,442		$	—		$	2,442
	Residential mortgage-backed securities:
	Government agency mortgage backed securities	—			144,817			—			144,817
	Government agency collateralized mortgage obligations	—			117,521			—			117,521
	Commercial mortgage-backed securities:
	Government agency mortgage backed securities	—			45,058			—			45,058
	Government agency collateralized mortgage obligations	—			5,407			—			5,407
	Trust preferred securities	—			—			15,068			15,068
	Other debt securities	—			22,930			—			22,930
	Other equity securities	—			3,068			—			3,068
	Total securities available for sale	—			341,243			15,068			356,311
	Derivative instruments:
	Interest rate contracts	—			3,083			—			3,083
	Interest rate lock commitments	—			1,571			—			1,571
	Total derivative instruments	—			4,654			—			4,654
	Mortgage loans held for sale	—			34,845			—			34,845
	Total financial assets	$	—		$	380,742		$	15,068		$	395,810
	Financial liabilities:
	Derivative instruments:
	Interest rate swaps	$	—		$	2,164		$	—		$	2,164
Interest rate contracts	—			3,152			—			3,152
Forward commitments	—			198			—			198
Total derivative instruments	—			5,514			—			5,514
Total financial liabilities	$	—		$	5,514		$	—		$	5,514
The Company reviews fair value hierarchy classifications on a quarterly basis. Changes in the Company’s ability to observe inputs to the valuation may cause reclassification of certain assets or liabilities within the fair value hierarchy. Transfers between levels of the hierarchy are deemed to have occurred at the end of period. There were no such transfers between levels of the fair value hierarchy during the three or nine months ended September 30, 2013.
The following tables provide a reconciliation for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs, or Level 3 inputs, during the three and nine months ended September 30, 2013 and 2012, respectively:
	Securities available for sale
Three Months Ended September 30, 2013	Trust preferred			Other equity			Total
	securities			securities
Balance at July 1, 2013	$	15,960		$	—		$	15,960
Realized gains included in net income	—			—			—
Unrealized gains included in other comprehensive income	875			—			875
Purchases	—			—			—
Sales	—			—			—
Issues	—			—			—
Settlements	(82		)	—			(82		)
Transfers into Level 3	—			—			—
Transfers out of Level 3	—			—			—
Balance at September 30, 2013	$	16,753		$	—		$	16,753
	Securities available for sale
Three Months Ended September 30, 2012	Trust preferred			Other equity			Total
	securities			securities
Balance at July 1, 2012	$	12,672		$	2,790		$	15,462
Realized gains included in net income	—			—			—
Unrealized gains included in other comprehensive income	2,670			243			2,913
Reclassification adjustment	—			—			—
Purchases	—			—			—
Sales	—			—			—
Issues	—			—			—
Settlements	—			—			—
Transfers into Level 3	—			—			—
Transfers out of Level 3	—			(3,033		)	(3,033		)
Balance at September 30, 2012	$	15,342		$	—		$	15,342
	Securities available for sale
Nine Months Ended September 30, 2013	Trust preferred			Other equity			Total
	securities			securities
Balance at January 1, 2013	$	15,068		$	—		$	15,068
Realized gains included in net income	—			—			—
Unrealized gains included in other comprehensive income	2,669			—			2,669
Purchases	—			—			—
Sales	—			—			—
Issues	—			—			—
Settlements	—			—			—
Transfers into Level 3	(984		)	—			(984		)
Transfers out of Level 3	—			—			—
Balance at September 30, 2013	$	16,753		$	—		$	16,753
	Securities available for sale
Nine Months Ended September 30, 2012	Trust preferred			Other equity			Total
	securities			securities
Balance at January 1, 2012	$	12,785		$	2,237		$	15,022
Realized gains included in net income	—			14			14
Unrealized gains included in other comprehensive income	3,509			782			4,291
Reclassification adjustment	(952		)	—			(952		)
Purchases	—			—			—
Sales	—			—			—
Issues	—			—			—
Settlements	—			—			—
Transfers into Level 3	—			—			—
Transfers out of Level 3	—			(3,033		)	(3,033		)
Balance at September 30, 2012	$	15,342		$	—		$	15,342
For the three and nine months ended September 30, 2013 and 2012, there were no gains or losses included in earnings that were attributable to the change in unrealized gains or losses related to assets or liabilities held at the end of each respective period that were measured on a recurring basis using significant unobservable inputs.
The following table presents information as of September 30, 2013 about significant unobservable inputs (Level 3) used in the valuation of assets and liabilities measured at fair value on a recurring basis:
Financial instrument	Fair			Valuation Technique		Significant	Range of Inputs
	Value					Unobservable Inputs
Trust preferred securities	$	16,753		Discounted cash flows		Default rate	0-100%
Nonrecurring Fair Value Measurements
Certain assets may be recorded at fair value on a nonrecurring basis. These nonrecurring fair value adjustments typically are a result of the application of the lower of cost or market accounting or a write-down occurring during the period. The following table provides the fair value measurement for assets measured at fair value on a nonrecurring basis that were still held on the Consolidated Balance Sheets as of the dates presented and the level within the fair value hierarchy each is classified:
30-Sep-13	Level 1			Level 2			Level 3			Totals
Impaired loans	$	—		$	—		$	8,574		$	8,574
OREO	—			—			16,650			16,650
Total	$	—		$	—		$	25,224		$	25,224
December 31, 2012	Level 1			Level 2			Level 3			Totals
Impaired loans	$	—		$	—		$	20,178		$	20,178
OREO	—			—			33,761			33,761
Total	$	—		$	—		$	53,939		$	53,939
The following methods and assumptions are used by the Company to estimate the fair values of the Company’s financial assets and liabilities measured on a nonrecurring basis:
Impaired loans: Loans considered impaired are reserved for at the time the loan is identified as impaired taking into account the fair value of the collateral less estimated selling costs. Collateral may be real estate and/or business assets including but not limited to equipment, inventory and accounts receivable. The fair value of real estate is determined based on appraisals by qualified licensed appraisers. The fair value of the business assets is generally based on amounts reported on the business’s financial statements. Appraised and reported values may be adjusted based on changes in market conditions from the time of valuation and management’s knowledge of the client and the client’s business. Since not all valuation inputs are observable, these nonrecurring fair value determinations are classified as Level 3. Impaired loans are reviewed and evaluated on at least a quarterly basis for additional impairment and adjusted accordingly, based on the same factors previously identified. Impaired loans covered under loss-share agreements were recorded at their fair value upon the acquisition date, and no fair value adjustments were necessary for the three or nine months ended September 30, 2013 and 2012, respectively. Impaired loans not covered under loss-share agreements that were measured or re-measured at fair value had a carrying value of $10,782 and $27,149 at September 30, 2013 and December 31, 2012, respectively, and a specific reserve for these loans of $2,208 and $6,971 was included in the allowance for loan losses for the periods ended on such respective dates.
Other real estate owned: OREO is comprised of commercial and residential real estate obtained in partial or total satisfaction of loan obligations. OREO covered under loss-share agreements is recorded at its fair value on its acquisition date. OREO not covered under loss-share agreements acquired in settlement of indebtedness is recorded at the fair value of the real estate less estimated costs to sell. Subsequently, it may be necessary to record nonrecurring fair value adjustments for declines in fair value. Fair value, when recorded, is determined based on appraisals by qualified licensed appraisers and adjusted for management’s estimates of costs to sell. Accordingly, values for OREO are classified as Level 3.
The following table presents OREO measured at fair value on a nonrecurring basis that was still held in the Consolidated Balance Sheets as of the dates presented:
	September 30,			December 31, 2012
	2013
OREO covered under loss-share agreements:
Carrying amount prior to remeasurement	$	13,946		$	19,254
Impairment recognized in results of operations	(500		)	(901		)
Increase in FDIC loss-share indemnification asset	(2,001		)	(3,602		)
Receivable from other guarantor	—			(41		)
Fair value	$	11,445		$	14,710
OREO not covered under loss-share agreements:
Carrying amount prior to remeasurement	$	6,401		$	22,277
Impairment recognized in results of operations	(1,196		)	(3,226		)
Fair value	$	5,205		$	19,051
Mortgage servicing rights: The Company retains the right to service certain mortgage loans that it sells to secondary market investors. These servicing rights are carried at the lower of amortized cost or fair value. Fair value is determined using an income approach with various assumptions including expected cash flows, market discount rates, prepayment speeds, servicing costs, and other factors. Because these factors are not all observable and include management’s assumptions, mortgage servicing rights are classified within Level 3 of the fair value hierarchy. Mortgage servicing rights were carried at amortized cost at September 30, 2013 and December 31, 2012, and no impairment charges were recognized in earnings for the three or nine months ended September 30, 2013 and 2012, respectively.
The following table presents information as of September 30, 2013 about significant unobservable inputs (Level 3) used in the valuation of assets and liabilities measured at fair value on a nonrecurring basis:
Financial instrument	Fair			Valuation Technique		Significant	Range of Inputs
	Value					Unobservable Inputs
Impaired loans	$	8,574		Appraised value of collateral less estimated costs to sell		Estimated costs to sell	4-10%
OREO	16,650			Appraised value of property less estimated costs to sell		Estimated costs to sell	4-10%
Fair Value Option
The Company elected to measure all mortgage loans originated for sale on or after July 1, 2012 at fair value under the fair value option as permitted under ASC 825. Electing to measure these assets at fair value reduces certain timing differences and better matches the changes in fair value of the loans with changes in the fair value of derivative instruments used to economically hedge them.
Net losses of $1,315 and $472 resulting from fair value changes of these mortgage loans were recorded in income during the three and nine months ended September 30, 2013, respectively. The amount does not reflect changes in fair values of related derivative instruments used to hedge exposure to market-related risks associated with these mortgage loans. The change in fair value of both mortgage loans held for sale and the related derivative instruments are recorded in “Gains on sales of mortgage loans held for sale” in the Consolidated Statements of Income.
The Company’s valuation of mortgage loans held for sale incorporates an assumption for credit risk; however, given the short-term period that the Company holds these loans, valuation adjustments attributable to instrument-specific credit risk is nominal. Interest income on mortgage loans held for sale measured at fair value is accrued as it is earned based on contractual rates and is reflected in loan interest income on the Consolidated Statements of Income.
The following table summarizes the differences between the fair value and the principal balance for mortgage loans held for sale measured at fair value as of:
30-Sep-13	Aggregate			Aggregate			Difference
	Fair  Value			Unpaid
				Principal
				Balance
Mortgage loans held for sale measured at fair value	$	28,466		$	28,096		$	370
Past due loans of 90 days or more	—			—			—
Nonaccrual loans	—			—			—
Fair Value of Financial Instruments
The carrying amounts and estimated fair values of the Company’s financial instruments, including those assets and liabilities that are not measured and reported at fair value on a recurring basis or nonrecurring basis, were as follows as of the dates presented:
				Fair Value
As of September 30, 2013	Carrying			Level 1			Level 2			Level 3		Total
	Value
Financial assets
Cash and cash equivalents	$	233,149		$	233,149		$	—		$	—	$	233,149
Securities held to maturity	440,055			—			438,014			—		438,014
Securities available for sale	464,733			—			447,980			16,753		464,733
Mortgage loans held for sale	28,466			—			28,466			—		28,466
Loans covered under loss-share agreements	195,997			—			—			195,458		195,458
Loans not covered under loss-share agreements, net	3,685,535			—			—			3,644,023		3,644,023
FDIC loss-share indemnification asset	27,825			—			—			27,825		27,825
Mortgage servicing rights	8,336			—			—			8,974		8,974
Derivative instruments	3,869			—			3,869			—		3,869
Financial liabilities
Deposits	$	4,834,756		$	3,284,858		$	1,558,356		$	—	$	4,843,214
Short-term borrowings	6,649			6,649			—			—		6,649
Federal Home Loan Bank advances	76,429			—			82,356			—		82,356
Junior subordinated debentures	94,089			—			71,723			—		71,723
Derivative instruments	4,899			—			4,899			—		4,899
				Fair Value
As of December 31, 2012	Carrying			Level 1			Level 2			Level 3		Total
	Value
Financial assets
Cash and cash equivalents	$	132,420		$	132,420		$	—		$	—	$	132,420
Securities held to maturity	317,766			—			334,475			—		334,475
Securities available for sale	356,311			—			341,243			15,068		356,311
Mortgage loans held for sale	34,845			—			34,845			—		34,845
Loans covered under loss-share agreements	237,088			—			—			235,890		235,890
Loans not covered under loss-share agreements, net	2,528,818			—			—			2,452,937		2,452,937
FDIC loss-share indemnification asset	44,153			—			—			44,153		44,153
Mortgage servicing rights	4,233			—			—			4,259		4,259
Derivative instruments	4,654			—			4,654			—		4,654
Financial liabilities
Deposits	$	3,461,221		$	2,268,568		$	1,200,785		$	—	$	3,469,353
Short-term borrowings	5,254			5,254			—			—		5,254
Federal Home Loan Bank advances	83,843			—			99,870			—		99,870
Junior subordinated debentures	75,609			—			27,985			—		27,985
Derivative instruments	5,514			—			5,514			—		5,514
The following methods and assumptions were used to estimate the fair value of each class of financial instruments for which it is practicable to estimate that value. The methodologies for estimating the fair value of financial assets and liabilities that are measured at fair value on a recurring or nonrecurring basis are discussed previously.
Cash and cash equivalents: Cash and cash equivalents consist of cash and due from banks and interest-bearing balances with banks. The carrying amount reported in the Consolidated Balance Sheets for cash and cash equivalents approximates fair value based on the short-term nature of these assets.
Securities held to maturity: Securities held to maturity consist of debt securities such as obligations of U.S. Government agencies, states, and other political subdivisions. Where quoted market prices in active markets are available, securities are classified within Level 1 of the fair value hierarchy. If quoted prices from active markets are not available, fair values are based on quoted market prices for similar instruments traded in active markets, quoted market prices for identical or similar instruments traded in markets that are not active, or model-based valuation techniques where all significant assumptions are observable in the market. Such instruments are classified within Level 2 of the fair value hierarchy. When assumptions used in model-based valuation techniques are not observable in the market, the assumptions used by management reflect estimates of assumptions used by other market participants in determining fair value. When there is limited transparency around the inputs to the valuation, the instruments are classified within Level 3 of the fair value hierarchy.
Loans covered under loss-share agreements: The fair value of loans covered under loss-share agreements is based on the net present value of future cash proceeds expected to be received using discount rates that are derived from current market rates and reflect the level of interest risk in the covered loans.
Loans not covered under loss-share agreements: For variable-rate loans not covered under loss-share agreements that reprice frequently and with no significant change in credit risk, fair values are based on carrying values. Fair values of fixed-rate loans not covered under loss-share agreements, including mortgages and commercial, agricultural and consumer loans, are estimated using a discounted cash flow analysis based on interest rates currently being offered for loans with similar terms to borrowers of similar credit quality.
FDIC loss-share indemnification asset: The fair value of the FDIC loss-share indemnification asset is based on the net present value of future cash flows expected to be received from the FDIC under the provisions of the loss-share agreements using a discount rate that is based on current market rates for the underlying covered loans. Current market rates are used in light of the uncertainty of the timing and receipt of the loss-share reimbursement from the FDIC.
Deposits: The fair values disclosed for demand deposits, both interest-bearing and noninterest-bearing, are, by definition, equal to the amount payable on demand at the reporting date. Such deposits are classified within Level 1 of the fair value hierarchy. The fair values of certificates of deposit and individual retirement accounts are estimated using a discounted cash flow based on currently effective interest rates for similar types of deposits. These deposits are classified within Level 2 of the fair value hierarchy.
Short-term borrowings: Short-term borrowings consist of securities sold under agreements to repurchase and federal funds purchased. The fair value of these borrowings approximates the carrying value of the amounts reported in the Consolidated Balance Sheets for each respective account given the short-term nature of the liabilities.
Federal Home Loan Bank advances: The fair value for Federal Home Loan Bank (“FHLB”) advances is determined by discounting the expected future cash outflows using current market rates for similar borrowings, or Level 2 inputs.
Junior subordinated debentures: The fair value for the Company’s junior subordinated debentures is determined by discounting the future cash flows using the current market rate.

Derivative_Instruments

Derivative Instruments	9 Months Ended
	Sep. 30, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]	'
Derivative Instruments	'
	Derivative Instruments
	(In Thousands)
	The Company utilizes derivative financial instruments, including interest rate contracts such as swaps, caps and/or floors, as part of its ongoing efforts to mitigate its interest rate risk exposure and to facilitate the needs of its customers. The Company also from time to time enters into derivative instruments that are not designated as hedging instruments to help its commercial customers manage their exposure to interest rate fluctuations. To mitigate the interest rate risk associated with these customer contracts, the Company enters into an offsetting derivative contract position. The Company manages its credit risk, or potential risk of default by its commercial customers, through credit limit approval and monitoring procedures. At September 30, 2013, the Company had notional amounts of $76,484 on interest rate contracts with corporate customers and $76,484 in offsetting interest rate contracts with other financial institutions to mitigate the Company’s rate exposure on its corporate customers’ contracts and certain fixed-rate loans.
	In March and April 2012, the Company entered into two interest rate swap agreements effective March 30, 2014 and March 17, 2014, respectively. Beginning on the respective effective date, the Company will receive a variable rate of interest based on the three-month LIBOR plus a pre-determined spread and pay a fixed rate of interest. The agreements, which both terminate in March 2022, are accounted for as cash flow hedges to reduce the variability in cash flows resulting from changes in interest rates on $32,000 of the Company’s junior subordinated debentures.
	In connection with its merger with First M&F, the Company assumed an interest rate swap designed to convert floating rate interest payments into fixed rate payments. Based on the terms of the agreement, which terminates in March 2018, the Company will receive a variable rate of interest based on the three-month LIBOR plus a pre-determined spread and pay a fixed rate of interest. The interest rate swap is accounted for as a cash flow hedge to reduce the variability in cash flows resulting from changes in interest rates on $30,000 of the junior subordinated debentures assumed in the merger with First M&F.
	In May 2010, the Company terminated two interest rate swaps, each designated as a cash flow hedge, designed to convert the variable interest rate on an aggregate of $75,000 of loans to a fixed rate. As of the termination date, there were $1,679 of deferred gains related to the swaps, which are being amortized into interest income over the designated hedging periods ending in August 2012 and August 2013, respectively. Deferred gains amortized into net interest income were $37 and $115 for the three months ended September 30, 2013 and 2012, respectively, and $203 and $419 for the nine months ended September 30, 2013 and 2012, respectively.
	The Company enters into interest rate lock commitments with its customers to mitigate the interest rate risk associated with the commitments to fund fixed-rate residential mortgage loans. The notional amount of commitments to fund fixed-rate mortgage loans was $80,076 and $72,757 at September 30, 2013 and December 31, 2012, respectively. The Company also enters into forward commitments to sell residential mortgage loans to secondary market investors. The notional amount of commitments to sell residential mortgage loans to secondary market investors was $74,542 and $100,000 at September 30, 2013 and December 31, 2012, respectively.
	The following table provides details on the Company’s derivative financial instruments as of the dates presented:
				Fair Value
		Balance Sheet		September 30,				December 31, 2012
		Location		2013
	Derivative assets:
	Not designated as hedging instruments:
	Interest rate contracts	Other Assets		$	1,488			$	3,083
	Interest rate lock commitments	Other Assets		2,376				1,571
	Totals			$	3,864			$	4,654
	Derivative liabilities:
	Designated as hedging instruments:
	Interest rate swap	Other Liabilities		$	1,904			$	2,164
	Totals			$	1,904			$	2,164
	Not designated as hedging instruments:
	Interest rate contracts	Other Liabilities		$	1,488			$	3,152
	Forward commitments	Other Liabilities		1,392				198
	Totals			$	2,880			$	3,350
	Gains (losses) included in the Consolidated Statements of Income related to the Company’s derivative financial instruments were as follows as of the periods presented:
		Three Months Ended								Nine Months Ended
		September 30,								September 30,
		2013				2012				2013		2012
	Derivatives designated as hedging instruments:
	Interest rate swaps (terminated May 2010):
	Included in interest income on loans	$	37			$	115			$	203	$	419
	Total	$	37			$	115			$	203	$	419
	Derivatives not designated as hedging instruments:
	Interest rate contracts:
	Included in interest income on loans	$	798			$	583			$	2,398	$	1,466
	Included in other noninterest expense	2				(14		)		69		20
	Interest rate lock commitments:
	Included in gains on sales of mortgage loans held for sale	2,905				1,145				804		1,667
	Forward commitments
	Included in gains on sales of mortgage loans held for sale	(3,599		)		(2,684		)		1,276		(3,626		)
	Total	$	106			$	(970	)		$	4,547	$	(473	)
	Offsetting
	Certain financial instruments, including derivatives, may be eligible for offset in the consolidated balance sheet when the "right of setoff" exists or when the instruments are subject to an enforceable master netting agreement, which includes the right of the non-defaulting party or non-affected party to offset recognized amounts, including collateral posted with the counterparty, to determine a net receivable or net payable upon early termination of the agreement. Certain of the Company's derivative instruments are subject to master netting agreements; however, the Company has not elected to offset such financial instruments in the consolidated balance sheets. The following table presents the Company's gross derivative positions as recognized in the consolidated balance sheets as well as the net derivative positions, including collateral pledged to the extent the application of such collateral did not reduce the net derivative liability position below zero, had the Company elected to offset those instruments subject to an enforceable master netting agreement:
		Offsetting Derivative Assets								Offsetting Derivative Liabilities
		September 30,				December 31, 2012				September 30,		December 31, 2012
		2013								2013
	Gross amounts recognized	$	3,864			$	4,654			$	4,784	$	5,514
	Gross amounts offset in the consolidated balance sheets	—				—				—		—
	Net amounts presented in the consolidated balance sheets	3,864				4,654				4,784		5,514
	Gross amounts not offset in the consolidated balance sheets
	Financial instruments	584				—				584		—
	Financial collateral pledged	—				—				2,183		4,950
	Net amounts	$	3,280			$	4,654			$	2,017	$	564

Other_Comprehensive_Income

Other Comprehensive Income	9 Months Ended
	Sep. 30, 2013
Equity [Abstract]	'
Other Comprehensive Income	'
	Other Comprehensive Income
	(In Thousands)
	Changes in the components of other comprehensive income were as follows for the periods presented:
		Pre-Tax			Tax Expense			Net of Tax
					(Benefit)
	Three months ended September 30, 2013
	Securities available for sale:
	Unrealized holding losses on securities	$	1,269		$	487		$	782
	Non-credit related portion of other-than-temporary impairment on securities	—			—			—
	Reclassification adjustment for gains realized in net income	—			—			—
	Amortization of unrealized holding gains on securities transferred to the held to maturity category	(80		)	(31		)	(49		)
	Total securities available for sale	1,189			456			733
	Derivative instruments:
	Unrealized holding gains on derivative instruments	(481		)	(184		)	(297		)
	Reclassification adjustment for gains realized in net income	(35		)	(13		)	(22		)
	Total derivative instruments	(516		)	(197		)	(319		)
	Defined benefit pension and post-retirement benefit plans:
	Net gain (loss) arising during the period	—			—			—
	Amortization of net actuarial loss recognized in net periodic pension cost	183			70			113
	Total defined benefit pension and post-retirement benefit plans	183			70			113
	Total other comprehensive income	$	856		$	329		$	527
	Three months ended September 30, 2012
	Securities available for sale:
	Unrealized holding gains on securities	$	4,025		$	1,539		$	2,486
	Non-credit related portion of other-than-temporary impairment on securities	—			—			—
	Reclassification adjustment for gains realized in net income	—			—			—
	Amortization of unrealized holding gains on securities transferred to the held to maturity category	(134		)	(51		)	(83		)
	Total securities available for sale	3,891			1,488			2,403
	Derivative instruments:
	Unrealized holding losses on derivative instruments	(391		)	(150		)	(241		)
	Reclassification adjustment for gains realized in net income	(115		)	(44		)	(71		)
	Total derivative instruments	(506		)	(194		)	(312		)
	Defined benefit pension and post-retirement benefit plans:
	Net gain (loss) arising during the period	—			—			—
	Amortization of net actuarial loss recognized in net periodic pension cost	107			41			66
	Total defined benefit pension and post-retirement benefit plans	107			41			66
	Total other comprehensive income	$	3,492		$	1,335		$	2,157
		Pre-Tax			Tax Expense			Net of Tax
					(Benefit)
	Nine months ended September 30, 2013
	Securities available for sale:
	Unrealized holding losses on securities	$	(9,864	)	$	(3,773	)	$	(6,091	)
	Non-credit related portion of other-than-temporary impairment on securities	—			—			—
	Reclassification adjustment for losses realized in net income	115			44			71
	Amortization of unrealized holding gains on securities transferred to the held to maturity category	(274		)	(105		)	(169		)
	Total securities available for sale	(10,023		)	(3,834		)	(6,189		)
	Derivative instruments:
	Unrealized holding gains on derivative instruments	1,461			559			902
	Reclassification adjustment for gains realized in net income	(203		)	(77		)	(126		)
	Total derivative instruments	1,258			482			776
	Defined benefit pension and post-retirement benefit plans:
	Net gain (loss) arising during the period	—			—			—
	Amortization of net actuarial loss recognized in net periodic pension cost	437			167			270
	Total defined benefit pension and post-retirement benefit plans	437			167			270
	Total other comprehensive income	$	(8,328	)	$	(3,185	)	$	(5,143	)
	Nine months ended September 30, 2012
	Securities available for sale:
	Unrealized holding gains on securities	$	7,439		$	2,845		$	4,594
	Non-credit related portion of other-than-temporary impairment on securities	—			—			—
	Reclassification adjustment for gains realized in net income	(1,773		)	(678		)	(1,095		)
	Amortization of unrealized holding gains on securities transferred to the held to maturity category	(447		)	(171		)	(276		)
	Total securities available for sale	5,219			1,996			3,223
	Derivative instruments:
Unrealized holding losses on derivative instruments	(2,234		)	(855		)	(1,379		)
Reclassification adjustment for gains realized in net income	(419		)	(160		)	(259		)
Total derivative instruments	(2,653		)	(1,015		)	(1,638		)
Defined benefit pension and post-retirement benefit plans:
Net gain (loss) arising during the period	—			—			—
Amortization of net actuarial loss recognized in net periodic pension cost	321			123			198
Total defined benefit pension and post-retirement benefit plans	321			123			198
Total other comprehensive income	$	2,887		$	1,104		$	1,783
The accumulated balances for each component of other comprehensive income, net of tax, were as follows as of the dates presented:
	September 30,			December 31, 2012
	2013
Unrealized gains on securities	$	11,239		$	17,428
Non-credit related portion of other-than-temporary impairment on securities	(17,474		)	(17,474		)
Unrealized losses on derivative instruments	(435		)	(1,211		)
Unrecognized defined benefit pension and post-retirement benefit plans obligations	(6,974		)	(7,244		)
Total accumulated other comprehensive loss	$	(13,644	)	$	(8,501	)

Net_Income_Per_Common_Share

Net Income Per Common Share	9 Months Ended
	Sep. 30, 2013
Earnings Per Share [Abstract]	'
Net Income Per Common Share	'
	Net Income Per Common Share
	(In Thousands, Except Share Data)
	Basic net income per common share is calculated by dividing net income by the weighted-average number of common shares outstanding for the period. Diluted net income per common share reflects the pro forma dilution of shares outstanding assuming outstanding stock options were exercised into common shares, calculated in accordance with the treasury method. Basic and diluted net income per common share calculations are as follows for the periods presented:
		Three Months Ended
		September 30,
		2013			2012
	Basic
	Net income applicable to common stock	$	6,637		$	7,037
	Average common shares outstanding	27,234,927			25,114,672
	Net income per common share - basic	$	0.24		$	0.28
	Diluted
	Net income applicable to common stock	$	6,637		$	7,037
	Average common shares outstanding	27,234,927			25,114,672
	Effect of dilutive stock-based compensation	212,455			106,215
	Average common shares outstanding - diluted	27,447,382			25,220,887
	Net income per common share - diluted	$	0.24		$	0.28
		Nine Months Ended
		September 30,
		2013			2012
	Basic
	Net income applicable to common stock	$	22,227		$	19,356
	Average common shares outstanding	25,889,139			25,101,507
	Net income per common share - basic	$	0.86		$	0.77
	Diluted
	Net income applicable to common stock	$	22,227		$	19,356
	Average common shares outstanding	25,889,139			25,101,507
	Effect of dilutive stock-based compensation	164,034			60,404
	Average common shares outstanding - diluted	26,053,173			25,161,911
	Net income per common share - diluted	$	0.85		$	0.77
	Stock options that could potentially dilute basic net income per common share in the future that were not included in the computation of diluted net income per common share due to their anti-dilutive effect were as follows for the periods presented:
		Three Months Ended
		September 30,
		2013		2012
	Number of shares	109,068		740,199
	Range of exercise prices	$29.57 - $30.63		$16.91 - $30.63
		Nine Months Ended
		September 30,
		2013		2012
	Number of shares	169,638		1,186,644
	Range of exercise prices	$19.14 - $30.63		$14.96 - $30.63

Mergers_and_Acquisition

Mergers and Acquisition	9 Months Ended
	Sep. 30, 2013
Business Combinations [Abstract]	'
Mergers and Acquisition	'
	Mergers and Acquisitions
	On September 1, 2013, the Company completed its acquisition by merger of First M&F, a bank holding company headquartered in Kosciusko, Mississippi, and the parent of Merchants and Farmers Bank, a Mississippi banking corporation. On the same date, Merchants and Farmers Bank was merged into Renasant Bank. On August 31, 2013, First M&F operated 43 banking and insurance locations in Mississippi, Alabama and Tennessee. The acquisition of First M&F allowed the Company to further its strategic initiatives by expanding its geographic footprint into certain markets of Mississippi, Alabama and Tennessee. The Company issued 6,175,586 shares of its common stock for 100% of the voting equity interests in First M&F. The aggregate transaction value, including the dilutive impact of First M&F’s stock based compensation assumed by the Company, was $156.8 million.
	The Company recorded approximately $115.6 million in intangible assets which consist of goodwill of $90,548 and core deposit intangible of $25,033. The fair value of the core deposit intangible is being amortized on an accelerated basis over the estimated useful life, currently expected to be approximately 10 years. The intangible assets are not deductible for income tax purposes.
	The Company assumed $30.9 million in fixed/floating rate junior subordinated deferrable interest debentures payable to First M&F Statutory Trust I that mature in March 2036. The acquired subordinated debentures require interest to be paid quarterly at a rate of 90-day LIBOR plus 1.33%. The fair value adjustment on the junior subordinated debentures of $12,371 will be amortized on a straight line basis over the remaining life.
	The following table summarizes the allocation of purchase price to assets and liabilities acquired in connection with the Company’s acquisition of First M&F based on their fair values on September 1, 2013. The Company is finalizing the fair value of certain assets and liabilities. As a result, the adjustments included in the following table are preliminary and may change.
	Allocation of Purchase Price for First M&F Corporation.
	Purchase Price:
	Shares issued to common shareholders	6,175,586
	Purchase price per share	$	25.17
	Value of stock paid				$	155,439
	Cash paid for fractional shares				17
	Fair value of stock based compensation assumed				68
	Deal charges				1,255
	Total Purchase Price				$	156,779
	Net Assets Acquired:
	Stockholders’ equity at 9/1/13	$	79,440
	Increase (decrease) to net assets as a result of fair value adjustments
	to assets acquired and liabilities assumed:
	Securities	253
	Loans, net of First M&F's allowance for loan losses(1)	(45,751		)
	Fixed assets	(2,314		)
	Core deposits intangible, net of First M&F’s existing core deposit intangible	21,158
	Other real estate owned(1)	(5,797		)
	Deposits	(3,207		)
	Junior Subordinated Debt	12,371
	Other liabilities	1,804
	Deferred income taxes	8,274
	Total Net Assets Acquired				66,231
	Goodwill resulting from merger(2)				$	90,548
	(1) The fair value adjustments to acquired loans and other real estate owned reflect management’s expectations to more aggressively market and liquidate problem assets quickly.
	(2) The goodwill resulting from the merger has been assigned to the Community Banks operating segment.
	The following table summarizes the fair value of assets acquired and liabilities assumed at acquisition date in connection with the merger with First M&F. The Company is finalizing the fair value of certain assets and liabilities. As a result, the values included in the following table are preliminary and may change.
	Cash and cash equivalents		$	170,061
	Securities		227,693
	Mortgage loans held for sale		1,659
	Loans, net of unearned income		899,246
	Premises and equipment		33,014
	Other real estate owned		13,527
	Intangible assets		115,581
	Other assets		55,767
	Total assets		1,516,548
	Deposits		1,325,872
	Borrowings		25,346
	Other liabilities		9,806
	The following unaudited pro forma combined condensed consolidated financial information presents the results of operations for the nine months ended September 30, 2013 and 2012 of the Company as though the merger with First M&F and the equity offering to fund the cash portion of the merger consideration had been completed as of the beginning of each respective period.
			Nine Months Ended
			September 30,
			2013				2012
	Interest income		$	165,592			$	171,897
	Interest expense		21,845				28,421
	Net interest income		143,747				143,476
	Provision for loan losses		11,030				20,665
	Noninterest income		62,833				67,702
	Noninterest expense		163,993				157,927
	Income before income taxes		31,557				32,586
	Income taxes		6,576				5,666
	Net income		$	24,981			$	26,920
	Earnings per share:
	Basic		$	0.8			$	0.82
	Diluted		$	0.79			$	0.81

Summary_of_Significant_Account1

Summary of Significant Accounting Policies (Policies)	9 Months Ended
	Sep. 30, 2013
Accounting Policies [Abstract]	'
Nature of Operations	'
	Nature of Operations: Renasant Corporation (referred to herein as the “Company”) owns and operates Renasant Bank (“Renasant Bank” or the “Bank”) and Renasant Insurance, Inc. The Company offers a diversified range of financial, fiduciary and insurance services to its retail and commercial customers through its subsidiaries and full service offices located throughout north and north central Mississippi, Tennessee, north and central Alabama and north Georgia.
Basis of Presentation	'
	Basis of Presentation: The accompanying unaudited consolidated financial statements of the Company and its subsidiaries have been prepared in accordance with accounting principles generally accepted in the United States of America for interim financial information and in accordance with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by accounting principles generally accepted in the United States of America for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. For further information regarding the Company’s significant accounting policies, refer to the audited consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012 filed with the Securities and Exchange Commission on March 8, 2013.
Use of Estimates	'
	Use of Estimates: The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.
Subsequent Events	'
	Subsequent Events: The Company has evaluated, for consideration of recognition or disclosure, subsequent events that have occurred through the date of issuance of its financial statements, and has determined that no significant events occurred after September 30, 2013 but prior to the issuance of these financial statements that would have a material impact on its Consolidated Financial Statements.

Securities_Tables

Securities (Tables)	9 Months Ended
	Sep. 30, 2013
Investments, Debt and Equity Securities [Abstract]	'
Amortized cost and fair value of securities held to maturity	'
	The amortized cost and fair value of securities held to maturity were as follows:
		Amortized				Gross				Gross			Fair
		Cost				Unrealized				Unrealized			Value
						Gains				Losses
	30-Sep-13
	Obligations of other U.S. Government agencies and corporations	$	149,056			$	13			$	(7,707	)	$	141,362
	Obligations of states and political subdivisions	290,999				8,352				(2,699		)	296,652
		$	440,055			$	8,365			$	(10,406	)	$	438,014
	December 31, 2012
	Obligations of other U.S. Government agencies and corporations	$	90,045			$	116			$	(232	)	$	89,929
	Obligations of states and political subdivisions	227,721				16,860				(35		)	244,546
		$	317,766			$	16,976			$	(267	)	$	334,475
Amortized cost and fair value of securities available for sale	'
	The amortized cost and fair value of securities available for sale were as follows:
		Amortized				Gross				Gross			Fair
		Cost				Unrealized				Unrealized			Value
						Gains				Losses
	30-Sep-13
	Obligations of other U.S. Government agencies and corporations	$	6,151			$	146			$	(211	)	$	6,086
	Residential mortgage backed securities:
	Government agency mortgage backed securities	221,276				3,264				(3,610		)	220,930
	Government agency collateralized mortgage obligations	151,340				1,793				(3,777		)	149,356
	Commercial mortgage backed securities:
	Government agency mortgage backed securities	41,440				1,486				(547		)	42,379
	Government agency collateralized mortgage obligations	5,029				82				—			5,111
	Trust preferred securities	27,629				—				(10,876		)	16,753
	Other debt securities	20,174				280				(213		)	20,241
	Other equity securities	2,775				1,102				—			3,877
		$	475,814			$	8,153			$	(19,234	)	$	464,733
		Amortized				Gross				Gross			Fair
		Cost				Unrealized				Unrealized			Value
						Gains				Losses
	December 31, 2012
	Obligations of other U.S. Government agencies and corporations	$	2,169			$	273			$	—		$	2,442
	Residential mortgage backed securities:
	Government agency mortgage backed securities	139,699				5,209				(91		)	144,817
	Government agency collateralized mortgage obligations	115,647				2,273				(399		)	117,521
	Commercial mortgage backed securities:
	Government agency mortgage backed securities	41,981				3,077				—			45,058
	Government agency collateralized mortgage obligations	5,091				316				—			5,407
	Trust preferred securities	28,612				—				(13,544		)	15,068
	Other debt securities	22,079				852				(1		)	22,930
	Other equity securities	2,355				713				—			3,068
		$	357,633			$	12,713			$	(14,035	)	$	356,311
Gross realized gains and gross realized losses on sales of securities available for sale	'
	Gross realized gains and gross realized losses on sales of securities available for sale for the three and nine months ended September 30, 2013 and 2012 were as follows:
		Three Months Ended								Nine Months Ended
		September 30,								September 30,
		2013				2012				2013			2012
	Gross gains on sales of securities available for sale	$	—			$	—			$	—		$	1,850
	Gross losses on sales of securities available for sale	—				—				(115		)	(77		)
	(Loss) Gain on sales of securities available for sale, net	$	—			$	—			$	(115	)	$	1,773
Amortized cost and fair value of securities by contractual maturity	'
	The amortized cost and fair value of securities at September 30, 2013 by contractual maturity are shown below. Expected maturities will differ from contractual maturities because issuers may call or prepay obligations with or without call or prepayment penalties.
		Held to Maturity								Available for Sale
		Amortized				Fair				Amortized			Fair
		Cost				Value				Cost			Value
	Due within one year	$	34,535			$	34,604			$	—		$	—
	Due after one year through five years	52,911				54,378				1,084			1,161
	Due after five years through ten years	196,982				191,821				5,067			4,925
	Due after ten years	155,627				157,211				27,629			16,753
	Residential mortgage backed securities:
	Government agency mortgage backed securities	—				—				221,276			220,930
	Government agency collateralized mortgage obligations	—				—				151,340			149,356
	Commercial mortgage backed securities:
	Government agency mortgage backed securities	—				—				41,440			42,379
	Government agency collateralized mortgage obligations	—				—				5,029			5,111
	Other debt securities	—				—				20,174			20,241
	Other equity securities	—				—				2,775			3,877
		$	440,055			$	438,014			$	475,814		$	464,733
Unrealized losses and fair value by investment category	'
	The following table presents the age of gross unrealized losses and fair value by investment category as of the dates presented:
		Less than 12 Months										12 Months or More								Total
		#		Fair				Unrealized				#	Fair			Unrealized				#	Fair		Unrealized
				Value				Losses					Value			Losses					Value		Losses
	Held to Maturity:
	30-Sep-13
	Obligations of other U.S. Government agencies and corporations	30		$	138,850			$	(7,707	)		0	$	—		$	—			30	$	138,850	$	(7,707	)
	Obligations of states and political subdivisions	110		59,395				(2,699		)		0	—			—				110	59,395		(2,699		)
	Total	140		$	198,245			$	(10,406	)		0	$	—		$	—			140	198,245		$	(10,406	)
	December 31, 2012
	Obligations of other U.S. Government agencies and corporations	8		$	35,224			$	(232	)		0	$	—		$	—			8	$	35,224	$	(232	)
	Obligations of states and political subdivisions	4		2,861				(34		)		1	126			(1		)		5	2,987		(35		)
	Total	12		$	38,085			$	(266	)		1	$	126		$	(1	)		13	$	38,211	$	(267	)
	Available for Sale:
	30-Sep-13
	Obligations of other U.S. Government agencies and corporations	1		$	3,789			$	(211	)		0	$	—		$	—			1	$	3,789	$	(211	)
	Residential mortgage backed securities:
	Government agency mortgage backed securities	24		95,531				(3,610		)		0	—			—				24	95,531		(3,610		)
	Government agency collateralized mortgage obligations	18		76,248				(3,476		)		2	7,335			(301		)		20	83,583		(3,777		)
	Commercial mortgage backed securities:
	Government agency mortgage backed securities	4		16,672				(547		)		0	—			—				4	16,672		(547		)
	Government agency collateralized mortgage obligations	0		—				—				0	—			—				0	—		—
	Trust preferred securities	0		—				—				4	16,753			(10,876		)		4	16,753		(10,876		)
	Other debt securities	1		2,764				(206		)		1	1,971			(7		)		2	4,735		(213		)
	Total	48		$	195,004			$	(8,050	)		7	$	26,059		$	(11,184	)		55	$	221,063	$	(19,234	)
	December 31, 2012
	Obligations of other U.S. Government agencies and corporations	0		$	—			$	—			0	$	—		$	—			0	$	—	$	—
	Residential mortgage backed securities:
	Government agency mortgage backed securities	3		15,431				(91		)		0	—			—				3	15,431		(91		)
	Government agency collateralized mortgage obligations	11		44,616				(389		)		1	1,605			(10		)		12	46,221		(399		)
	Commercial mortgage backed securities:
	Government agency mortgage backed securities	0		—				—				0	—			—				0	—		—
	Government agency collateralized mortgage obligations	0		—				—				0	—			—				0	—		—
	Trust preferred securities	0		—				—				4	15,068			(13,544		)		4	15,068		(13,544		)
	Other debt securities	0		—				—				1	2,188			(1		)		1	2,188		(1		)
	Other equity securities	0		—				—				0	—			—				0	—		—
	Total	14		$	60,047			$	(480	)		6	$	18,861		$	(13,555	)		20	$	78,908	$	(14,035	)
Investments in pooled trust preferred securities	'
	The following table provides information regarding the Company’s investments in pooled trust preferred securities at September 30, 2013:
	Name	Single/		Class/		Amortized				Fair			Unrealized			Lowest		Issuers
		Pooled		Tranche		Cost				Value			Loss			Credit		Currently in
																Rating		Deferral or
																		Default
	XIII	Pooled		B-2		$	1,155			$	1,140		$	(15	)	Caa3		28	%
	XXIII	Pooled		B-2		8,831				5,547			(3,284		)	B1		21	%
	XXIV	Pooled		B-2		12,076				6,782			(5,294		)	Ca		34	%
	XXVI	Pooled		B-2		5,567				3,284			(2,283		)	Ca		31	%
						$	27,629			$	16,753		$	(10,876	)
Cumulative credit related losses recognized in earnings	'
	The following table provides a summary of the cumulative credit related losses recognized in earnings for which a portion of OTTI has been recognized in other comprehensive income:
		2013				2012
	Balance at January 1	$	(3,337	)		$	(3,337	)
	Additions related to credit losses for which OTTI was not previously recognized	—				—
	Increases in credit loss for which OTTI was previously recognized	—				—
	Balance at September 30	$	(3,337	)		$	(3,337	)

Loans_and_the_Allowance_for_Lo1

Loans and the Allowance for Loan Losses (Tables)	9 Months Ended
	Sep. 30, 2013
Receivables [Abstract]	'
Summary of loans	'
	The following is a summary of loans as of the dates presented:
		September 30,				December 31, 2012
		2013
	Commercial, financial, agricultural	$	481,243			$	317,050
	Lease financing	76				195
	Real estate – construction	152,217				105,706
	Real estate – 1-4 family mortgage	1,192,223				903,423
	Real estate – commercial mortgage	1,960,584				1,426,643
	Installment loans to individuals	95,190				57,241
	Gross loans	3,881,533				2,810,258
	Unearned income	(1		)		(5		)
	Loans, net of unearned income	3,881,532				2,810,253
	Allowance for loan losses	(46,250		)		(44,347		)
	Net loans	$	3,835,282			$	2,765,906
Past due and nonaccrual loans	'
	The following table provides an aging of past due and nonaccrual loans, segregated by class, as of the dates presented:
		Accruing Loans														Nonaccruing Loans
		30-89 Days				90 Days				Current			Total			30-89 Days			90 Days			Current		Total		Total
		Past Due				or More				Loans			Loans			Past Due			or More			Loans		Loans		Loans
						Past Due													Past Due
	30-Sep-13
	Commercial, financial, agricultural	$	1,362			$	272			$	476,874		$	478,508		$	—		$	1,922		$	813	$	2,735	$	481,243
	Lease financing	—				—				76			76			—			—			—		—		76
	Real estate – construction	1				592				149,976			150,569			—			1,648			—		1,648		152,217
	Real estate – 1-4 family mortgage	11,965				3,436				1,158,038			1,173,439			2,276			5,788			10,720		18,784		1,192,223
	Real estate – commercial mortgage	10,526				6,796				1,896,754			1,914,076			3,294			33,224			9,990		46,508		1,960,584
	Installment loans to individuals	324				56				94,681			95,061			—			129			—		129		95,190
	Unearned income	—				—				(1		)	(1		)	—			—			—		—		(1		)
	Total	$	24,178			$	11,152			$	3,776,398		$	3,811,728		$	5,570		$	42,711		$	21,523	$	69,804	$	3,881,532
	December 31, 2012
	Commercial, financial, agricultural	$	484			$	15			$	312,943		$	313,442		$	215		$	3,131		$	262	$	3,608	$	317,050
	Lease financing	—				—				195			195			—			—			—		—		195
	Real estate – construction	80				—				103,978			104,058			—			1,648			—		1,648		105,706
	Real estate – 1-4 family mortgage	6,685				1,992				867,053			875,730			1,249			13,417			13,027		27,693		903,423
	Real estate – commercial mortgage	5,084				1,250				1,373,470			1,379,804			325			38,297			8,217		46,839		1,426,643
	Installment loans to individuals	197				50				56,715			56,962			7			265			7		279		57,241
	Unearned income	—				—				(5		)	(5		)	—			—			—		—		(5		)
	Total	$	12,530			$	3,307			$	2,714,349		$	2,730,186		$	1,796		$	56,758		$	21,513	$	80,067	$	2,810,253
Impaired loans	'
	Impaired loans recognized in conformity with Financial Accounting Standards Board Accounting Standards Codification Topic ("ASC") 310, “Receivables” (“ASC 310”), segregated by class, were as follows as of the dates presented:
		Unpaid				Recorded				Recorded			Total			Related
		Contractual				Investment				Investment			Recorded			Allowance
		Principal				With				With No			Investment
		Balance				Allowance				Allowance
	30-Sep-13
	Commercial, financial, agricultural	$	6,536			$	603			$	2,193		$	2,796		$	260
	Lease financing	—				—				—			—			—
	Real estate – construction	2,447				—				1,648			1,648			—
	Real estate – 1-4 family mortgage	39,279				25,285				4,776			30,061			7,569
	Real estate – commercial mortgage	107,940				30,545				39,269			69,814			7,079
	Installment loans to individuals	—				—				—			—			—
	Total	$	156,202			$	56,433			$	47,886		$	104,319		$	14,908
	December 31, 2012
	Commercial, financial, agricultural	$	5,142			$	1,620			$	1,620		$	3,240		$	708
	Lease financing	—				—				—			—			—
	Real estate – construction	2,447				—				1,648			1,648			—
	Real estate – 1-4 family mortgage	80,022				28,848				10,094			38,942			9,201
	Real estate – commercial mortgage	118,167				34,400				39,450			73,850			7,688
	Installment loans to individuals	—				—				—			—			—
	Totals	$	205,778			$	64,868			$	52,812		$	117,680		$	17,597
Investment and interest income recognized on impaired loans	'
	The following table presents the average recorded investment and interest income recognized on impaired loans for the periods presented:
		Three Months Ended								Three Months Ended
		30-Sep-13								30-Sep-12
		Average				Interest				Average			Interest
		Recorded				Income				Recorded			Income
		Investment				Recognized				Investment			Recognized(1)
	Commercial, financial, agricultural	$	5,183			$	4			$	3,474		$	25
	Lease financing	—				—				—			—
	Real estate – construction	1,650				—				2,086			6
	Real estate – 1-4 family mortgage	32,274				158				58,104			917
	Real estate – commercial mortgage	75,312				379				89,463			620
	Installment loans to individuals	—				—				—			—
	Total	$	114,419			$	541			$	153,127		$	1,568
	-1	Includes interest income recognized using the cash-basis method of income recognition of $814. No interest income was recognized using the cash-basis method of income recognition during the three months ended September 30, 2013.
		Nine Months Ended								Nine Months Ended
		30-Sep-13								30-Sep-12
		Average				Interest				Average			Interest
		Recorded				Income				Recorded			Income
		Investment				Recognized				Investment			Recognized(1)
	Commercial, financial, agricultural	$	5,123			$	4			$	3,610		$	41
	Lease financing	—				—				—			—
	Real estate – construction	1,650				—				2,087			6
	Real estate – 1-4 family mortgage	33,181				449				62,320			1,515
	Real estate – commercial mortgage	75,997				845				95,050			1,696
	Installment loans to individuals	—				—				—			—
	Total	$	115,951			$	1,298			$	163,067		$	3,258
	-1	Includes interest income recognized using the cash-basis method of income recognition of $1,128. No interest income was recognized using the cash-basis method of income recognition during the nine months ended September 30, 2013.
Restructured loans	'
	The following table presents restructured loans segregated by class as of the dates presented:
		Number of			Pre-				Post-
		Loans			Modification				Modification
					Outstanding				Outstanding
					Recorded				Recorded
					Investment				Investment
	30-Sep-13
	Commercial, financial, agricultural	1			$	—			$	20
	Lease financing	—			—				—
	Real estate – construction	—			—				—
	Real estate – 1-4 family mortgage	23			18,670				10,625
	Real estate – commercial mortgage	16			12,224				11,419
	Installment loans to individuals	1			—				172
	Total	41			$	30,894			$	22,236
	December 31, 2012
	Commercial, financial, agricultural	—			$	—			$	—
	Lease financing	—			—				—
	Real estate – construction	—			—				—
	Real estate – 1-4 family mortgage	19			18,450				10,853
	Real estate – commercial mortgage	16			18,985				18,409
	Installment loans to individuals	1			184				174
	Total	36			$	37,619			$	29,436
Changes in restructured loans	'
	Changes in the Company’s restructured loans are set forth in the table below:
		Number of			Recorded
		Loans			Investment
	Totals at January 1, 2013	36			$	29,436
	Additional loans with concessions	13			4,319
	Reductions due to:
	Reclassified as nonperforming	(2	)		(3,227		)
	Charge-offs	(2	)		(877		)
	Transfer to other real estate owned	—			—
	Principal paydowns				(1,674		)
	Lapse of concession period	(4	)		(5,741		)
	Totals at September 30, 2013	41			$	22,236
Loan portfolio by risk-rating grades	'
	The following table presents the Company’s loan portfolio by risk-rating grades as of the dates presented:
		Pass				Watch				Substandard			Total
	30-Sep-13
	Commercial, financial, agricultural	$	330,739			$	27,455			$	1,868		$	360,062
	Real estate – construction	106,040				922				—			106,962
	Real estate – 1-4 family mortgage	129,710				13,960				28,652			172,322
	Real estate – commercial mortgage	1,347,068				31,917				36,377			1,415,362
	Installment loans to individuals	4				—				—			4
	Total	$	1,913,561			$	74,254			$	66,897		$	2,054,712
	December 31, 2012
	Commercial, financial, agricultural	$	226,540			$	1,939			$	3,218		$	231,697
	Real estate – construction	71,633				651				—			72,284
	Real estate – 1-4 family mortgage	96,147				24,138				32,589			152,874
	Real estate – commercial mortgage	989,095				46,148				37,996			1,073,239
	Installment loans to individuals	7				—				—			7
	Total	$	1,383,422			$	72,876			$	73,803		$	1,530,101
Loan portfolio not subject to risk rating	'
	The following table presents the performing status of the Company’s loan portfolio not subject to risk rating as of the dates presented:
		Performing				Non-				Total
						Performing
	30-Sep-13
	Commercial, financial, agricultural	$	82,283			$	164			$	82,447
	Lease financing	75				—				75
	Real estate – construction	41,045				—				41,045
	Real estate – 1-4 family mortgage	910,066				2,667				912,733
	Real estate – commercial mortgage	227,578				263				227,841
	Installment loans to individuals	87,388				95				87,483
	Total	$	1,348,435			$	3,189			$	1,351,624
	December 31, 2012
	Commercial, financial, agricultural	$	74,003			$	210			$	74,213
	Lease financing	195				—				195
	Real estate – construction	31,774				—				31,774
	Real estate – 1-4 family mortgage	670,074				5,328				675,402
	Real estate – commercial mortgage	195,086				449				195,535
	Installment loans to individuals	54,918				91				55,009
	Total	$	1,026,050			$	6,078			$	1,032,128
Loans acquired with deteriorated credit quality	'
	Loans acquired in business combinations that exhibited, at the date of acquisition, evidence of deterioration of the credit quality since origination, such that it was probable that all contractually required payments would not be collected, were as follows as of the dates presented:
		Impaired				Other				Not			Total
		Covered				Covered				Covered
		Loans				Loans				Loans
	30-Sep-13
	Commercial, financial, agricultural	$	—			$	10,295			$	26,186		$	36,481
	Lease financing	—				—				—			—
	Real estate – construction	—				1,648				4,235			5,883
	Real estate – 1-4 family mortgage	1,040				55,683				51,610			108,333
	Real estate – commercial mortgage	24,279				103,036				196,548			323,863
	Installment loans to individuals	—				31				7,489			7,520
	Total	$	25,319			$	170,693			$	286,068		$	482,080
	December 31, 2012
	Commercial, financial, agricultural	$	—			$	10,800			$	340		$	11,140
	Lease financing	—				—				—			—
	Real estate – construction	—				1,648				—			1,648
	Real estate – 1-4 family mortgage	6,122				67,326				1,699			75,147
	Real estate – commercial mortgage	25,782				125,379				6,708			157,869
	Installment loans to individuals	—				31				2,194			2,225
	Total	$	31,904			$	205,184			$	10,941		$	248,029
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'
	The following table presents the fair value of loans determined to be impaired at the time of acquisition and determined not to be impaired at the time of acquisition at September 30, 2013:
		Impaired				Other				Not			Total
		Covered				Covered				Covered
		Loans				Loans				Loans
	Contractually-required principal and interest	$	67,522			$	214,907			$	371,358		$	653,787
	Nonaccretable difference(1)	(42,202		)		(40,896		)		(48,859		)	(131,957		)
	Cash flows expected to be collected	25,320				174,011				322,499			521,830
	Accretable yield(2)	(1		)		(3,318		)		(36,431		)	(39,750		)
	Fair value	$	25,319			$	170,693			$	286,068		$	482,080
	-1	Represents contractual principal and interest cash flows of $641,495 and $12,292, respectively, not expected to be collected.
	-2	Represents contractual interest payments of $3,355 expected to be collected and purchase discount of $36,395.
Changes in accretable yield of loans acquired with deteriorated credit quality	'
	Changes in the accretable yield of loans acquired with deteriorated credit quality were as follows:
		Impaired				Other				Not			Total
		Covered				Covered				Covered
		Loans				Loans				Loans
	Balance at January 1, 2013	$	(13	)		$	(6,705	)		$	(1,130	)	$	(7,848	)
	Reclasses from nonaccretable difference	(109		)		(3,557		)		(36,668		)	(40,334		)
	Accretion	121				6,944				1,367			8,432
	Balance at September 30, 2013	$	(1	)		$	(3,318	)		$	(36,431	)	$	(39,750	)
Rollforward of the allowance for loan losses	'
	The following table provides a roll forward of the allowance for loan losses and a breakdown of the ending balance of the allowance based on the Company’s impairment methodology for the periods presented:
		Commercial				Real Estate -				Real Estate -			Real Estate  -			Installment			Total
						Construction				1-4 Family			Commercial			and  Other(1)
										Mortgage			Mortgage
	Three Months Ended September 30, 2013
	Allowance for loan losses:
	Beginning balance	$	3,478			$	863			$	19,432		$	22,239		$	1,022		$	47,034
	Charge-offs	(887		)		—				(1,251		)	(1,106		)	(82		)	(3,326		)
	Recoveries	54				7				120			38			23			242
	Net (charge-offs) recoveries	(833		)		7				(1,131		)	(1,068		)	(59		)	(3,084		)
	Provision for loan losses	364				44				370			1,975			15			2,768
	Benefit attributable to FDIC loss-share agreements	(67		)		—				(326		)	(129		)	—			(522		)
	Recoveries payable to FDIC	5				—				45			4			—			54
	Provision for loan losses charged to operations	302				44				89			1,850			15			2,300
	Ending balance	$	2,947			$	914			$	18,390		$	23,021		$	978		$	46,250
	Nine Months Ended September 30, 2013
	Allowance for loan losses:
	Beginning balance	$	3,307			$	711			$	18,347		$	21,416		$	566		$	44,347
	Charge-offs	(1,167		)		—				(2,517		)	(4,226		)	(434		)	(8,344		)
	Recoveries	301				70				591			885			50			1,897
	Net (charge-offs) recoveries	(866		)		70				(1,926		)	(3,341		)	(384		)	(6,447		)
	Provision for loan losses	874				132				2,088			5,762			796			9,652
	Benefit attributable to FDIC loss-share agreements	(397		)		—				(956		)	(840		)	—			(2,193		)
	Recoveries payable to FDIC	29				1				837			24			—			891
	Provision for loan losses charged to operations	506				133				1,969			4,946			796			8,350
	Ending balance	$	2,947			$	914			$	18,390		$	23,021		$	978		$	46,250
	Period-End Amount Allocated to:
	Individually evaluated for impairment	$	260			$	—			$	7,569		$	7,079		$	—		$	14,908
	Collectively evaluated for impairment	2,687				914				10,821			15,942			978			31,342
	Acquired with deteriorated credit quality	—				—				—			—			—			—
	Ending balance	$	2,947			$	914			$	18,390		$	23,021		$	978		$	46,250
		Commercial				Real Estate -				Real Estate -			Real Estate  -			Installment			Total
						Construction				1-4 Family			Commercial			and  Other(1)
										Mortgage			Mortgage
	Three Months Ended September 30, 2012
	Allowance for loan losses:
	Beginning balance	$	3,235			$	966			$	18,980		$	20,765		$	833		$	44,779
	Charge-offs	(2,590		)		—				(2,682		)	(780		)	(118		)	(6,170		)
	Recoveries	145				3				648			22			17			835
	Net (charge-offs) recoveries	(2,445		)		3				(2,034		)	(758		)	(101		)	(5,335		)
	Provision for loan losses	2,795				79				2,269			988			(164		)	5,967
	Benefit attributable to FDIC loss-share agreements	(335		)		—				(1,187		)	(60		)	—			(1,582		)
	Recoveries payable to FDIC	2				—				162			76			—			240
	Provision for loan losses charged to operations	2,462				79				1,244			1,004			(164		)	4,625
	Ending balance	$	3,252			$	1,048			$	18,190		$	21,011		$	568		$	44,069
	Nine Months Ended September 30, 2012
	Allowance for loan losses:
	Beginning balance	$	4,197			$	1,073			$	17,191		$	20,979		$	900		$	44,340
	Charge-offs	(4,623		)		(42		)		(7,230		)	(3,806		)	(321		)	(16,022		)
	Recoveries	323				6				981			247			69			1,626
	Net charge-offs	(4,300		)		(36		)		(6,249		)	(3,559		)	(252		)	(14,396		)
	Provision for loan losses	4,052				28				10,269			6,640			(84		)	20,905
	Benefit attributable to FDIC loss-share agreements	(723		)		(17		)		(3,421		)	(3,592		)	—			(7,753		)
	Recoveries payable to FDIC	26				—				400			543			4			973
	Provision for loan losses charged to operations	3,355				11				7,248			3,591			(80		)	14,125
	Ending balance	$	3,252			$	1,048			$	18,190		$	21,011		$	568		$	44,069
	Period-End Amount Allocated to:
	Individually evaluated for impairment	$	715			$	2			$	10,011		$	8,441		$	—		$	19,169
	Collectively evaluated for impairment	2,537				1,046				8,179			12,570			568			24,900
	Acquired with deteriorated credit quality	—				—				—			—			—			—
	Ending balance	$	3,252			$	1,048			$	18,190		$	21,011		$	568		$	44,069
	-1	Includes lease financing receivables.
Investment in loans, net of unearned income on impairment methodology	'
	The following table provides the recorded investment in loans, net of unearned income, based on the Company’s impairment methodology as of the dates presented:
		Commercial				Real Estate  -				Real Estate -			Real Estate  -			Installment			Total
						Construction				1-4 Family			Commercial			and  Other(1)
										Mortgage			Mortgage
	30-Sep-13
	Individually evaluated for impairment	$	771			$	—			$	25,537		$	30,545		$	—		$	56,853
	Collectively evaluated for impairment	443,991				146,334				1,058,353			1,606,176			87,745			3,342,599
	Acquired with deteriorated credit quality	36,481				5,883				108,333			323,863			7,520			482,080
	Ending balance	$	481,243			$	152,217			$	1,192,223		$	1,960,584		$	95,265		$	3,881,532
	December 31, 2012
	Individually evaluated for impairment	$	1,620			$	—			$	28,848		$	34,400		$	—		$	64,868
	Collectively evaluated for impairment	304,290				104,058				799,428			1,234,374			55,206			2,497,356
	Acquired with deteriorated credit quality	11,140				1,648				75,147			157,869			2,225			248,029
	Ending balance	$	317,050			$	105,706			$	903,423		$	1,426,643		$	57,431		$	2,810,253
	-1	Includes lease financing receivables.

Other_Real_Estate_Owned_Tables

Other Real Estate Owned (Tables)	9 Months Ended
	Sep. 30, 2013
Real Estate [Abstract]	'
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs	'
	The following table provides details of the Company’s other real estate owned (“OREO”) covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs as of the dates presented:
		Covered			Not Covered			Total
		OREO			OREO			OREO
	30-Sep-13
	Residential real estate	$	3,819		$	3,519		$	7,338
	Commercial real estate	4,271			9,122			13,393
	Residential land development	1,181			14,448			15,629
	Commercial land development	7,309			13,492			20,801
	Total	$	16,580		$	40,581		$	57,161
	December 31, 2012
	Residential real estate	$	8,778		$	7,842		$	16,620
	Commercial real estate	14,368			7,779			22,147
	Residential land development	5,005			22,490			27,495
	Commercial land development	17,383			6,221			23,604
	Other	—			385			385
	Total	$	45,534		$	44,717		$	90,251
Changes in OREO covered and not covered under a loss-share agreement	'
	Changes in the Company’s OREO covered and not covered under a loss-share agreement were as follows:
		Covered			Not Covered			Total
		OREO			OREO			OREO
	Balance at January 1, 2013	$	45,534		$	44,717		$	90,251
	Acquired OREO	—			13,674			13,674
	Transfers of loans	7,025			6,575			13,600
	Capitalized improvements	—			129			129
	Impairments(1)	(6,275		)	(1,574		)	(7,849		)
	Dispositions	(29,646		)	(22,939		)	(52,585		)
	Other	(58		)	(1		)	(59		)
	Balance at September 30, 2013	$	16,580		$	40,581		$	57,161
	-1	Of the total impairment charges of $(6,275) recorded for covered OREO, $(1,255) was included in the Consolidated Statements of Income for the nine months ended September 30, 2013, while the remaining $(5,020) increased the FDIC loss-share indemnification asset.
Components of "Other real estate owned" in the Consolidated Statements of Income	'
	Components of the line item “Other real estate owned” in the Consolidated Statements of Income were as follows for the periods presented:
		Three Months Ended						Nine Months Ended
		September 30,						September 30,
		2013			2012			2013			2012
	Repairs and maintenance	$	565		$	839		$	1,473		$	2,035
	Property taxes and insurance	163			492			820			1,068
	Impairments	594			1,023			2,829			5,190
	Net losses on OREO sales	293			195			511			1,864
	Rental income	(78		)	(109		)	(274		)	(348		)
	Total	$	1,537		$	2,440		$	5,359		$	9,809

FDIC_LossShare_Indemnification1

FDIC Loss-Share Indemnification Asset (Tables)	9 Months Ended
	Sep. 30, 2013
FDIC Loss-Share Indemnification Asset [Abstract]	'
Changes in the FDIC loss-share indemnification asset	'
	Changes in the FDIC loss-share indemnification asset were as follows:
	Balance at January 1, 2013	$	44,153
	Changes in expected cash flows from initial estimates on:
	Covered Loans	476
	Covered OREO	3,589
	Reimbursable expenses	3,278
	Accretion	600
	Reimbursements received from the FDIC	(24,271		)
	Balance at September 30, 2013	$	27,825

Mortgage_Servicing_Rights_Tabl

Mortgage Servicing Rights (Tables)	9 Months Ended
	Sep. 30, 2013
Transfers and Servicing [Abstract]	'
Changes in the Company's mortgage servicing rights	'
	Changes in the Company’s mortgage servicing rights were as follows:
	Balance at January 1, 2013	$	4,233
	Capitalization	4,674
	Amortization	(571		)
	Balance at September 30, 2013	$	8,336
Data and key economic assumptions related to the Company's mortgage servicing rights	'
	Data and key economic assumptions related to the Company’s mortgage servicing rights as of September 30, 2013 are as follows:
	Unpaid principal balance	$	802,454
	Weighted-average prepayment speed (CPR)	2.7		%
	Estimated impact of a 10% increase	$	(601	)
	Estimated impact of a 20% increase	(795		)
	Discount rate	11.26		%
	Estimated impact of a 10% increase	$	(677	)
	Estimated impact of a 20% increase	(940		)
	Weighted-average coupon interest rate	3.22		%
	Weighted-average servicing fee (basis points)	25.09
	Weighted-average remaining maturity (in years)	24.17

Employee_Benefit_and_Deferred_1

Employee Benefit and Deferred Compensation Plans (Tables)	9 Months Ended
	Sep. 30, 2013
Compensation and Retirement Disclosure [Abstract]	'
Plan expense for non-contributory benefit pension plan and post-retirement health and life plans	'
	The plan expense for the Company-sponsored noncontributory defined benefit pension plan (“Pension Benefits”) and post-retirement health and life plans (“Other Benefits”) for the periods presented was as follows:
		Pension Benefits						Other Benefits
		Three Months Ended						Three Months Ended
		September 30,						September 30,
		2013			2012			2013			2012
	Service cost	$	—		$	—		$	8		$	6
	Interest cost	222			216			21			16
	Expected return on plan assets	(359		)	(298		)	—			—
	Prior service cost recognized	—			—			—			—
	Recognized actuarial loss	114			88			70			18
	Net periodic benefit cost (return)	$	(23	)	$	6		$	99		$	40
		Pension Benefits						Other Benefits
		Nine Months Ended						Nine Months Ended
		September 30,						September 30,
		2013			2012			2013			2012
	Service cost	$	—		$	—		$	21		$	18
	Interest cost	597			646			48			48
	Expected return on plan assets	(979		)	(894		)	—			—
	Prior service cost recognized	—			—			—			—
	Recognized actuarial loss	313			266			125			54
	Net periodic benefit cost (return)	$	(69	)	$	18		$	194		$	120
Stock option grants assumptions	'
	The Company employed the following assumptions with respect to its stock option grants in 2013 and 2012 for the nine month periods ended September 30, 2013 and 2012:
		2013 Grant			2012 Grant
	Shares granted	52,500			172,000
	Dividend yield	3.55		%	4.55		%
	Expected volatility	37		%	37		%
	Risk-free interest rate	0.76		%	0.79		%
	Expected lives	6 years			6 years
	Weighted average exercise price	$	19.14		$	14.96
	Weighted average fair value	$	4.47		$	3.1
Schedule of other share-based compensation activity	'
	The following table summarizes the changes in restricted stock as of and for the nine months ended September 30, 2013:
			Performance-Based Restricted Stock		Weighted Average Grant-Date Fair Value			Time- Based Restricted Stock		Weighted Average Grant-Date Fair Value
	Nonvested at beginning of period		—		$	—		9,684		$	15.49
	Granted		69,850		19.14			32,338		22.7
	Vested		—		—			(9,038	)	15.49
	Cancelled		—		—			(646	)	15.49
	Nonvested at end of period		69,850		$	19.14		32,338		$	22.7

Segment_Reporting_Tables

Segment Reporting (Tables)	9 Months Ended
	Sep. 30, 2013
Segment Reporting [Abstract]	'
Financial information for the Company's operating segments	'
	The following table provides financial information for the Company’s operating segments for the periods presented:
		Community		Insurance		Wealth			Other			Consolidated
		Banks				Management
	Three months ended September 30, 2013
	Net interest income	39,133		29		331			(745		)	38,748
	Provision for loan losses	2,307		—		(7		)	—			2,300
	Noninterest income	16,160		1,428		1,325			22			18,935
	Noninterest expense	43,590		1,021		1,768			234			46,613
	Income (loss) before income taxes	9,396		436		(105		)	(957		)	8,770
	Income taxes	2,428		77		—			(372		)	2,133
	Net income (loss)	6,968		359		(105		)	(585		)	6,637
	Total assets	$	5,662,257	$	16,661	$	42,291		$	14,839		$	5,736,048
	Goodwill	272,545		2,783		—			—			275,328
	Three months ended September 30, 2012
	Net interest income	$	33,444	$	23	$	314		$	(649	)	$	33,132
	Provision for loan losses	4,659		—		(34		)	—			4,625
	Noninterest income	15,428		887		1,720			20			18,055
	Noninterest expense	36,042		786		1,661			183			38,672
	Income (loss) before income taxes	8,171		124		407			(812		)	7,890
	Income taxes	1,203		48		51			(449		)	853
	Net income (loss)	$	6,968	$	76	$	356		$	(363	)	$	7,037
	Total assets	$	4,105,716	$	10,725	$	35,172		$	12,993		$	4,164,606
	Goodwill	182,076		2,783		—			—			184,859
		Community		Insurance		Wealth			Other			Consolidated
		Banks				Management
	Nine months ended September 30, 2013
	Net interest income	107,061		76		950			(1,554		)	106,533
	Provision for loan losses	8,214		—		136			—			8,350
	Noninterest income	46,282		3,434		3,866			48			53,630
	Noninterest expense	113,613		2,647		5,085			602			121,947
	Income (loss) before income taxes	31,516		863		(405		)	(2,108		)	29,866
	Income taxes	8,230		242		—			(833		)	7,639
	Net income (loss)	23,286		621		(405		)	(1,275		)	22,227
	Total assets	$	5,662,257	$	16,661	$	42,291		$	14,839		$	5,736,048
	Goodwill	272,545		2,783		—			—			275,328
	Nine months ended September 30, 2012
	Net interest income	$	100,210	$	71	$	1,018		$	(1,914	)	$	99,385
	Provision for loan losses	14,176		—		(51		)	—			14,125
	Noninterest income	42,507		2,957		5,234			63			50,761
	Noninterest expense	104,525		2,362		4,773			424			112,084
	Income (loss) before income taxes	24,016		666		1,530			(2,275		)	23,937
	Income taxes	4,990		258		340			(1,007		)	4,581
	Net income (loss)	$	19,026	$	408	$	1,190		$	(1,268	)	$	19,356
	Total assets	$	4,105,716	$	10,725	$	35,172		$	12,993		$	4,164,606
	Goodwill	182,076		2,783		—			—			184,859

Fair_Value_Measurements_Tables

Fair Value Measurements (Tables)	9 Months Ended
	Sep. 30, 2013
Fair Value Disclosures [Abstract]	'
Fair values of financial assets and liabilities measured on a recurring basis	'
	The following table presents assets and liabilities that are measured at fair value on a recurring basis as of the dates presented:
		Level 1			Level 2			Level 3			Totals
	30-Sep-13
	Financial assets:
	Securities available for sale:
	Obligations of other U.S. Government agencies and corporations	$	—		$	6,086		$	—		$	6,086
	Residential mortgage-backed securities:
	Government agency mortgage backed securities	—			220,930			—			220,930
	Government agency collateralized mortgage obligations	—			149,356			—			149,356
	Commercial mortgage-backed securities:
	Government agency mortgage backed securities	—			42,379			—			42,379
	Government agency collateralized mortgage obligations	—			5,111			—			5,111
	Trust preferred securities	—			—			16,753			16,753
	Other debt securities	—			20,241			—			20,241
	Other equity securities	—			3,877			—			3,877
	Total securities available for sale	—			447,980			16,753			464,733
	Derivative instruments:
	Interest rate contracts	—			1,488			—			1,488
	Interest rate lock commitments	—			2,376			—			2,376
	Total derivative instruments	—			3,864			—			3,864
	Mortgage loans held for sale	—			28,466			—			28,466
	Total financial assets	$	—		$	480,310		$	16,753		$	497,063
	Financial liabilities:
	Derivative instruments:
	Interest rate swaps	$	—		$	1,904		$	—		$	1,904
	Interest rate contracts	—			1,488			—			1,488
	Forward commitments	—			1,392			—			1,392
	Total derivative instruments	—			4,784			—			4,784
	Total financial liabilities	$	—		$	4,784		$	—		$	4,784
		Level 1			Level 2			Level 3			Totals
	December 31, 2012
	Financial assets:
	Securities available for sale:
	Obligations of other U.S. Government agencies and corporations	$	—		$	2,442		$	—		$	2,442
	Residential mortgage-backed securities:
	Government agency mortgage backed securities	—			144,817			—			144,817
	Government agency collateralized mortgage obligations	—			117,521			—			117,521
	Commercial mortgage-backed securities:
	Government agency mortgage backed securities	—			45,058			—			45,058
	Government agency collateralized mortgage obligations	—			5,407			—			5,407
	Trust preferred securities	—			—			15,068			15,068
	Other debt securities	—			22,930			—			22,930
	Other equity securities	—			3,068			—			3,068
	Total securities available for sale	—			341,243			15,068			356,311
	Derivative instruments:
	Interest rate contracts	—			3,083			—			3,083
	Interest rate lock commitments	—			1,571			—			1,571
	Total derivative instruments	—			4,654			—			4,654
	Mortgage loans held for sale	—			34,845			—			34,845
	Total financial assets	$	—		$	380,742		$	15,068		$	395,810
	Financial liabilities:
	Derivative instruments:
	Interest rate swaps	$	—		$	2,164		$	—		$	2,164
	Interest rate contracts	—			3,152			—			3,152
	Forward commitments	—			198			—			198
	Total derivative instruments	—			5,514			—			5,514
	Total financial liabilities	$	—		$	5,514		$	—		$	5,514
Reconciliation for assets and liabilities measured at fair value on a recurring basis	'
	The following tables provide a reconciliation for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs, or Level 3 inputs, during the three and nine months ended September 30, 2013 and 2012, respectively:
		Securities available for sale
	Three Months Ended September 30, 2013	Trust preferred			Other equity			Total
		securities			securities
	Balance at July 1, 2013	$	15,960		$	—		$	15,960
	Realized gains included in net income	—			—			—
	Unrealized gains included in other comprehensive income	875			—			875
	Purchases	—			—			—
	Sales	—			—			—
	Issues	—			—			—
	Settlements	(82		)	—			(82		)
	Transfers into Level 3	—			—			—
	Transfers out of Level 3	—			—			—
	Balance at September 30, 2013	$	16,753		$	—		$	16,753
		Securities available for sale
	Three Months Ended September 30, 2012	Trust preferred			Other equity			Total
		securities			securities
	Balance at July 1, 2012	$	12,672		$	2,790		$	15,462
	Realized gains included in net income	—			—			—
	Unrealized gains included in other comprehensive income	2,670			243			2,913
	Reclassification adjustment	—			—			—
	Purchases	—			—			—
	Sales	—			—			—
	Issues	—			—			—
	Settlements	—			—			—
	Transfers into Level 3	—			—			—
	Transfers out of Level 3	—			(3,033		)	(3,033		)
	Balance at September 30, 2012	$	15,342		$	—		$	15,342
		Securities available for sale
	Nine Months Ended September 30, 2013	Trust preferred			Other equity			Total
		securities			securities
	Balance at January 1, 2013	$	15,068		$	—		$	15,068
	Realized gains included in net income	—			—			—
	Unrealized gains included in other comprehensive income	2,669			—			2,669
	Purchases	—			—			—
	Sales	—			—			—
	Issues	—			—			—
	Settlements	—			—			—
	Transfers into Level 3	(984		)	—			(984		)
	Transfers out of Level 3	—			—			—
	Balance at September 30, 2013	$	16,753		$	—		$	16,753
Significant unobservable inputs (Level 3) used in valuation of assets and liabilities measured at fair value on recurring basis	'
	The following table presents information as of September 30, 2013 about significant unobservable inputs (Level 3) used in the valuation of assets and liabilities measured at fair value on a recurring basis:
	Financial instrument	Fair			Valuation Technique		Significant	Range of Inputs
		Value					Unobservable Inputs
	Trust preferred securities	$	16,753		Discounted cash flows		Default rate	0-100%
Impaired loans measured at fair value on a nonrecurring basis	'
	The following table provides the fair value measurement for assets measured at fair value on a nonrecurring basis that were still held on the Consolidated Balance Sheets as of the dates presented and the level within the fair value hierarchy each is classified:
	30-Sep-13	Level 1			Level 2			Level 3			Totals
	Impaired loans	$	—		$	—		$	8,574		$	8,574
	OREO	—			—			16,650			16,650
	Total	$	—		$	—		$	25,224		$	25,224
	December 31, 2012	Level 1			Level 2			Level 3			Totals
	Impaired loans	$	—		$	—		$	20,178		$	20,178
	OREO	—			—			33,761			33,761
	Total	$	—		$	—		$	53,939		$	53,939
OREO measured at fair value on a nonrecurring basis	'
	The following table presents OREO measured at fair value on a nonrecurring basis that was still held in the Consolidated Balance Sheets as of the dates presented:
		September 30,			December 31, 2012
		2013
	OREO covered under loss-share agreements:
	Carrying amount prior to remeasurement	$	13,946		$	19,254
	Impairment recognized in results of operations	(500		)	(901		)
	Increase in FDIC loss-share indemnification asset	(2,001		)	(3,602		)
	Receivable from other guarantor	—			(41		)
	Fair value	$	11,445		$	14,710
	OREO not covered under loss-share agreements:
	Carrying amount prior to remeasurement	$	6,401		$	22,277
	Impairment recognized in results of operations	(1,196		)	(3,226		)
	Fair value	$	5,205		$	19,051
Significant unobservable inputs (Level 3) used in valuation of assets and liabilities measured at fair value on non recurring basis	'
	The following table presents information as of September 30, 2013 about significant unobservable inputs (Level 3) used in the valuation of assets and liabilities measured at fair value on a nonrecurring basis:
	Financial instrument	Fair			Valuation Technique		Significant	Range of Inputs
		Value					Unobservable Inputs
	Impaired loans	$	8,574		Appraised value of collateral less estimated costs to sell		Estimated costs to sell	4-10%
	OREO	16,650			Appraised value of property less estimated costs to sell		Estimated costs to sell	4-10%
Summarizes differences between fair value and principal balance for mortgage loans held for sale measure at fair value	'
	The following table summarizes the differences between the fair value and the principal balance for mortgage loans held for sale measured at fair value as of:
	30-Sep-13	Aggregate			Aggregate			Difference
		Fair  Value			Unpaid
					Principal
					Balance
	Mortgage loans held for sale measured at fair value	$	28,466		$	28,096		$	370
	Past due loans of 90 days or more	—			—			—
	Nonaccrual loans	—			—			—
Assets and liabilities not measured and reported at fair value on a recurring basis or nonrecurring basis	'
	The carrying amounts and estimated fair values of the Company’s financial instruments, including those assets and liabilities that are not measured and reported at fair value on a recurring basis or nonrecurring basis, were as follows as of the dates presented:
					Fair Value
	As of September 30, 2013	Carrying			Level 1			Level 2			Level 3		Total
		Value
	Financial assets
	Cash and cash equivalents	$	233,149		$	233,149		$	—		$	—	$	233,149
	Securities held to maturity	440,055			—			438,014			—		438,014
	Securities available for sale	464,733			—			447,980			16,753		464,733
	Mortgage loans held for sale	28,466			—			28,466			—		28,466
	Loans covered under loss-share agreements	195,997			—			—			195,458		195,458
	Loans not covered under loss-share agreements, net	3,685,535			—			—			3,644,023		3,644,023
	FDIC loss-share indemnification asset	27,825			—			—			27,825		27,825
	Mortgage servicing rights	8,336			—			—			8,974		8,974
	Derivative instruments	3,869			—			3,869			—		3,869
	Financial liabilities
	Deposits	$	4,834,756		$	3,284,858		$	1,558,356		$	—	$	4,843,214
	Short-term borrowings	6,649			6,649			—			—		6,649
	Federal Home Loan Bank advances	76,429			—			82,356			—		82,356
	Junior subordinated debentures	94,089			—			71,723			—		71,723
	Derivative instruments	4,899			—			4,899			—		4,899
					Fair Value
	As of December 31, 2012	Carrying			Level 1			Level 2			Level 3		Total
		Value
	Financial assets
	Cash and cash equivalents	$	132,420		$	132,420		$	—		$	—	$	132,420
	Securities held to maturity	317,766			—			334,475			—		334,475
	Securities available for sale	356,311			—			341,243			15,068		356,311
	Mortgage loans held for sale	34,845			—			34,845			—		34,845
	Loans covered under loss-share agreements	237,088			—			—			235,890		235,890
	Loans not covered under loss-share agreements, net	2,528,818			—			—			2,452,937		2,452,937
	FDIC loss-share indemnification asset	44,153			—			—			44,153		44,153
	Mortgage servicing rights	4,233			—			—			4,259		4,259
	Derivative instruments	4,654			—			4,654			—		4,654
	Financial liabilities
	Deposits	$	3,461,221		$	2,268,568		$	1,200,785		$	—	$	3,469,353
	Short-term borrowings	5,254			5,254			—			—		5,254
	Federal Home Loan Bank advances	83,843			—			99,870			—		99,870
	Junior subordinated debentures	75,609			—			27,985			—		27,985
	Derivative instruments	5,514			—			5,514			—		5,514

Derivative_Instruments_Tables

Derivative Instruments (Tables)	9 Months Ended
	Sep. 30, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]	'
Derivative financial instruments	'
	The following table provides details on the Company’s derivative financial instruments as of the dates presented:
				Fair Value
		Balance Sheet		September 30,				December 31, 2012
		Location		2013
	Derivative assets:
	Not designated as hedging instruments:
	Interest rate contracts	Other Assets		$	1,488			$	3,083
	Interest rate lock commitments	Other Assets		2,376				1,571
	Totals			$	3,864			$	4,654
	Derivative liabilities:
	Designated as hedging instruments:
	Interest rate swap	Other Liabilities		$	1,904			$	2,164
	Totals			$	1,904			$	2,164
	Not designated as hedging instruments:
	Interest rate contracts	Other Liabilities		$	1,488			$	3,152
	Forward commitments	Other Liabilities		1,392				198
	Totals			$	2,880			$	3,350
Gains (losses) on derivative financial instruments included in the Consolidated Statements of Income	'
	Gains (losses) included in the Consolidated Statements of Income related to the Company’s derivative financial instruments were as follows as of the periods presented:
		Three Months Ended								Nine Months Ended
		September 30,								September 30,
		2013				2012				2013		2012
	Derivatives designated as hedging instruments:
	Interest rate swaps (terminated May 2010):
	Included in interest income on loans	$	37			$	115			$	203	$	419
	Total	$	37			$	115			$	203	$	419
	Derivatives not designated as hedging instruments:
	Interest rate contracts:
	Included in interest income on loans	$	798			$	583			$	2,398	$	1,466
	Included in other noninterest expense	2				(14		)		69		20
	Interest rate lock commitments:
	Included in gains on sales of mortgage loans held for sale	2,905				1,145				804		1,667
	Forward commitments
	Included in gains on sales of mortgage loans held for sale	(3,599		)		(2,684		)		1,276		(3,626		)
	Total	$	106			$	(970	)		$	4,547	$	(473	)
Schedule of gross derivative positions as recognized in the balance sheet	'
	The following table presents the Company's gross derivative positions as recognized in the consolidated balance sheets as well as the net derivative positions, including collateral pledged to the extent the application of such collateral did not reduce the net derivative liability position below zero, had the Company elected to offset those instruments subject to an enforceable master netting agreement:
		Offsetting Derivative Assets								Offsetting Derivative Liabilities
		September 30,				December 31, 2012				September 30,		December 31, 2012
		2013								2013
	Gross amounts recognized	$	3,864			$	4,654			$	4,784	$	5,514
	Gross amounts offset in the consolidated balance sheets	—				—				—		—
	Net amounts presented in the consolidated balance sheets	3,864				4,654				4,784		5,514
	Gross amounts not offset in the consolidated balance sheets
	Financial instruments	584				—				584		—
	Financial collateral pledged	—				—				2,183		4,950
	Net amounts	$	3,280			$	4,654			$	2,017	$	564

Other_Comprehensive_Income_Tab

Other Comprehensive Income (Tables)	9 Months Ended
	Sep. 30, 2013
Equity [Abstract]	'
Changes in the components of other comprehensive income	'
	Changes in the components of other comprehensive income were as follows for the periods presented:
		Pre-Tax			Tax Expense			Net of Tax
					(Benefit)
	Three months ended September 30, 2013
	Securities available for sale:
	Unrealized holding losses on securities	$	1,269		$	487		$	782
	Non-credit related portion of other-than-temporary impairment on securities	—			—			—
	Reclassification adjustment for gains realized in net income	—			—			—
	Amortization of unrealized holding gains on securities transferred to the held to maturity category	(80		)	(31		)	(49		)
	Total securities available for sale	1,189			456			733
	Derivative instruments:
	Unrealized holding gains on derivative instruments	(481		)	(184		)	(297		)
	Reclassification adjustment for gains realized in net income	(35		)	(13		)	(22		)
	Total derivative instruments	(516		)	(197		)	(319		)
	Defined benefit pension and post-retirement benefit plans:
	Net gain (loss) arising during the period	—			—			—
	Amortization of net actuarial loss recognized in net periodic pension cost	183			70			113
	Total defined benefit pension and post-retirement benefit plans	183			70			113
	Total other comprehensive income	$	856		$	329		$	527
	Three months ended September 30, 2012
	Securities available for sale:
	Unrealized holding gains on securities	$	4,025		$	1,539		$	2,486
	Non-credit related portion of other-than-temporary impairment on securities	—			—			—
	Reclassification adjustment for gains realized in net income	—			—			—
	Amortization of unrealized holding gains on securities transferred to the held to maturity category	(134		)	(51		)	(83		)
	Total securities available for sale	3,891			1,488			2,403
	Derivative instruments:
	Unrealized holding losses on derivative instruments	(391		)	(150		)	(241		)
	Reclassification adjustment for gains realized in net income	(115		)	(44		)	(71		)
	Total derivative instruments	(506		)	(194		)	(312		)
	Defined benefit pension and post-retirement benefit plans:
	Net gain (loss) arising during the period	—			—			—
	Amortization of net actuarial loss recognized in net periodic pension cost	107			41			66
	Total defined benefit pension and post-retirement benefit plans	107			41			66
	Total other comprehensive income	$	3,492		$	1,335		$	2,157
		Pre-Tax			Tax Expense			Net of Tax
					(Benefit)
	Nine months ended September 30, 2013
	Securities available for sale:
	Unrealized holding losses on securities	$	(9,864	)	$	(3,773	)	$	(6,091	)
	Non-credit related portion of other-than-temporary impairment on securities	—			—			—
	Reclassification adjustment for losses realized in net income	115			44			71
	Amortization of unrealized holding gains on securities transferred to the held to maturity category	(274		)	(105		)	(169		)
	Total securities available for sale	(10,023		)	(3,834		)	(6,189		)
	Derivative instruments:
	Unrealized holding gains on derivative instruments	1,461			559			902
	Reclassification adjustment for gains realized in net income	(203		)	(77		)	(126		)
	Total derivative instruments	1,258			482			776
	Defined benefit pension and post-retirement benefit plans:
	Net gain (loss) arising during the period	—			—			—
	Amortization of net actuarial loss recognized in net periodic pension cost	437			167			270
	Total defined benefit pension and post-retirement benefit plans	437			167			270
	Total other comprehensive income	$	(8,328	)	$	(3,185	)	$	(5,143	)
	Nine months ended September 30, 2012
	Securities available for sale:
	Unrealized holding gains on securities	$	7,439		$	2,845		$	4,594
	Non-credit related portion of other-than-temporary impairment on securities	—			—			—
	Reclassification adjustment for gains realized in net income	(1,773		)	(678		)	(1,095		)
	Amortization of unrealized holding gains on securities transferred to the held to maturity category	(447		)	(171		)	(276		)
	Total securities available for sale	5,219			1,996			3,223
	Derivative instruments:
	Unrealized holding losses on derivative instruments	(2,234		)	(855		)	(1,379		)
	Reclassification adjustment for gains realized in net income	(419		)	(160		)	(259		)
Total derivative instruments	(2,653		)	(1,015		)	(1,638		)
Defined benefit pension and post-retirement benefit plans:
Net gain (loss) arising during the period	—			—			—
Amortization of net actuarial loss recognized in net periodic pension cost	321			123			198
Total defined benefit pension and post-retirement benefit plans	321			123			198
Total other comprehensive income	$	2,887		$	1,104		$	1,783
Accumulated balances for each component of other comprehensive income, net of tax	'
	The accumulated balances for each component of other comprehensive income, net of tax, were as follows as of the dates presented:
		September 30,			December 31, 2012
		2013
	Unrealized gains on securities	$	11,239		$	17,428
	Non-credit related portion of other-than-temporary impairment on securities	(17,474		)	(17,474		)
	Unrealized losses on derivative instruments	(435		)	(1,211		)
	Unrecognized defined benefit pension and post-retirement benefit plans obligations	(6,974		)	(7,244		)
	Total accumulated other comprehensive loss	$	(13,644	)	$	(8,501	)

Net_Income_Per_Common_Share_Ta

Net Income Per Common Share (Tables)	9 Months Ended
	Sep. 30, 2013
Earnings Per Share [Abstract]	'
Basic and diluted net income per common share	'
	Basic and diluted net income per common share calculations are as follows for the periods presented:
		Three Months Ended
		September 30,
		2013			2012
	Basic
	Net income applicable to common stock	$	6,637		$	7,037
	Average common shares outstanding	27,234,927			25,114,672
	Net income per common share - basic	$	0.24		$	0.28
	Diluted
	Net income applicable to common stock	$	6,637		$	7,037
	Average common shares outstanding	27,234,927			25,114,672
	Effect of dilutive stock-based compensation	212,455			106,215
	Average common shares outstanding - diluted	27,447,382			25,220,887
	Net income per common share - diluted	$	0.24		$	0.28
		Nine Months Ended
		September 30,
		2013			2012
	Basic
	Net income applicable to common stock	$	22,227		$	19,356
	Average common shares outstanding	25,889,139			25,101,507
	Net income per common share - basic	$	0.86		$	0.77
	Diluted
	Net income applicable to common stock	$	22,227		$	19,356
	Average common shares outstanding	25,889,139			25,101,507
	Effect of dilutive stock-based compensation	164,034			60,404
	Average common shares outstanding - diluted	26,053,173			25,161,911
	Net income per common share - diluted	$	0.85		$	0.77
Diluted net income per common share due to their anti-dilutive effect	'
	Stock options that could potentially dilute basic net income per common share in the future that were not included in the computation of diluted net income per common share due to their anti-dilutive effect were as follows for the periods presented:
		Three Months Ended
		September 30,
		2013		2012
	Number of shares	109,068		740,199
	Range of exercise prices	$29.57 - $30.63		$16.91 - $30.63
		Nine Months Ended
		September 30,
		2013		2012
	Number of shares	169,638		1,186,644
	Range of exercise prices	$19.14 - $30.63		$14.96 - $30.63

Mergers_and_Acquisition_Merger

Mergers and Acquisition Mergers and Acquisition (Tables)	9 Months Ended
	Sep. 30, 2013
Business Combinations [Abstract]	'
Schedule of Business Acquisitions	'
	The following table summarizes the allocation of purchase price to assets and liabilities acquired in connection with the Company’s acquisition of First M&F based on their fair values on September 1, 2013. The Company is finalizing the fair value of certain assets and liabilities. As a result, the adjustments included in the following table are preliminary and may change.
	Allocation of Purchase Price for First M&F Corporation.
	Purchase Price:
	Shares issued to common shareholders	6,175,586
	Purchase price per share	$	25.17
	Value of stock paid				$	155,439
	Cash paid for fractional shares				17
	Fair value of stock based compensation assumed				68
	Deal charges				1,255
	Total Purchase Price				$	156,779
	Net Assets Acquired:
	Stockholders’ equity at 9/1/13	$	79,440
	Increase (decrease) to net assets as a result of fair value adjustments
	to assets acquired and liabilities assumed:
	Securities	253
	Loans, net of First M&F's allowance for loan losses(1)	(45,751		)
	Fixed assets	(2,314		)
	Core deposits intangible, net of First M&F’s existing core deposit intangible	21,158
	Other real estate owned(1)	(5,797		)
	Deposits	(3,207		)
	Junior Subordinated Debt	12,371
	Other liabilities	1,804
	Deferred income taxes	8,274
	Total Net Assets Acquired				66,231
	Goodwill resulting from merger(2)				$	90,548
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed	'
	As a result, the values included in the following table are preliminary and may change.
	Cash and cash equivalents		$	170,061
	Securities		227,693
	Mortgage loans held for sale		1,659
	Loans, net of unearned income		899,246
	Premises and equipment		33,014
	Other real estate owned		13,527
	Intangible assets		115,581
	Other assets		55,767
	Total assets		1,516,548
	Deposits		1,325,872
	Borrowings		25,346
	Other liabilities		9,806
Pro Forma Information	'
	The following unaudited pro forma combined condensed consolidated financial information presents the results of operations for the nine months ended September 30, 2013 and 2012 of the Company as though the merger with First M&F and the equity offering to fund the cash portion of the merger consideration had been completed as of the beginning of each respective period.
			Nine Months Ended
			September 30,
			2013				2012
	Interest income		$	165,592			$	171,897
	Interest expense		21,845				28,421
	Net interest income		143,747				143,476
	Provision for loan losses		11,030				20,665
	Noninterest income		62,833				67,702
	Noninterest expense		163,993				157,927
	Income before income taxes		31,557				32,586
	Income taxes		6,576				5,666
	Net income		$	24,981			$	26,920
	Earnings per share:
	Basic		$	0.8			$	0.82
	Diluted		$	0.79			$	0.81

Securities_Details

Securities (Details) (USD $)	9 Months Ended	12 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
			Obligations of other U.S. Government agencies and corporations [Member]	Obligations of other U.S. Government agencies and corporations [Member]	Obligations of other U.S. Government agencies and corporations [Member]	Obligations of states and political subdivisions [Member]	Obligations of states and political subdivisions [Member]	Obligations of states and political subdivisions [Member]
Amortized cost and fair value of securities held to maturity	'	'	'	'	'	'	'	'
Amortized Cost, Held to Maturity	$440,055	$317,766	$149,056	$90,045	'	$290,999	$227,721	'
Held to Maturity Securities, Gross Unrealized Gains Accumulated in Investments	'	'	13	'	116	8,352	'	16,860
Held to Maturity Securities, Gross Unrealized Loss Accumulated in Investments	'	'	-7,707	'	-232	-2,699	'	-35
Gross Unrealized Gains, Held to Maturity	8,365	16,976	'	'	'	'	'	'
Gross Unrealized Losses, Held to Maturity	-10,406	-267	'	'	'	'	'	'
Fair Value, Held to Maturity	$438,014	$334,475	$141,362	$89,929	'	$296,652	$244,546	'

Securities_Details_1

Securities (Details 1) (USD $)

9 Months Ended

12 Months Ended

In Thousands, unless otherwise specified

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2012

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2012

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2012

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2012

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2012

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2012

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2012

Sep. 30, 2013

Dec. 31, 2012

Sep. 30, 2012

Trust preferred securities [Member]

Trust preferred securities [Member]

Trust preferred securities [Member]

Other debt securities [Member]

Other debt securities [Member]

Other debt securities [Member]

Equity Securities [Member]

Equity Securities [Member]

Equity Securities [Member]

Obligations of other U.S. Government agencies and corporations [Member]

Obligations of other U.S. Government agencies and corporations [Member]

Obligations of other U.S. Government agencies and corporations [Member]

Government agency mortgage backed securities [Member]

Government agency mortgage backed securities [Member]

Government agency mortgage backed securities [Member]

Government agency mortgage backed securities [Member]

Government agency mortgage backed securities [Member]

Government agency mortgage backed securities [Member]

Government agency collateralized mortgage obligations [Member]

Government agency collateralized mortgage obligations [Member]

Government agency collateralized mortgage obligations [Member]

Government agency collateralized mortgage obligations [Member]

Government agency collateralized mortgage obligations [Member]

Government agency collateralized mortgage obligations [Member]

Residential mortgage backed securities [Member]

Residential mortgage backed securities [Member]

Residential mortgage backed securities [Member]

Commercial mortgage backed securities [Member]

Commercial mortgage backed securities [Member]

Commercial mortgage backed securities [Member]

Residential mortgage backed securities [Member]

Residential mortgage backed securities [Member]

Residential mortgage backed securities [Member]

Commercial mortgage backed securities [Member]

Commercial mortgage backed securities [Member]

Commercial mortgage backed securities [Member]

Amortized cost and fair value of securities available for sale

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Amortized Cost, Available for Sale

'

'

$27,629

$28,612

'

$20,174

$22,079

'

'

'

'

$6,151

$2,169

'

$221,276

$139,699

'

$41,440

$41,981

'

$151,340

$115,647

'

$5,029

$5,091

'

Available for Sale Securities, Gross Unrealized Gain Accumulated in Investments

'

'

0

'

0

280

'

852

1,102

'

713

146

'

273

3,264

'

5,209

1,486

'

3,077

1,793

'

2,273

82

'

316

Available for Sale Securities, Gross Unrealized Loss Accumulated in Investments

'

'

-10,876

'

-13,544

-213

'

-1

0

'

0

-211

'

0

-3,610

'

-91

-547

'

0

-3,777

'

-399

0

'

0

Amortized Cost, Available for Sale

'

'

'

'

'

'

'

'

2,775

2,355

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Amortized Cost, Available for Sale

475,814

357,633

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Gross Unrealized Gains, Available for Sale

8,153

12,713

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Gross Unrealized Losses, Available for Sale

-19,234

-14,035

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Securities available for sale, at fair value

$464,733

$356,311

$16,753

$15,068

'

$20,241

$22,930

'

$3,877

$3,068

'

$6,086

$2,442

'

$220,930

$144,817

'

$42,379

$45,058

'

$149,356

$117,521

'

$5,111

$5,407

'

Securities_Details_2

Securities (Details 2) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Gross realized gains and gross realized losses on sales of securities available for sale	'	'	'	'
Gross gains on sales of securities available for sale	$0	$0	$0	$1,850
Gross losses on sales of securities available for sale	0	0	-115	-77
(Loss) Gain on sales of securities available for sale, net	$0	$0	($115)	$1,773

Securities_Details_3

Securities (Details 3) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Held-to-maturity Securities [Abstract]	'	'
Amortized Cost, Held to Maturity, Due within one year	$34,535	'
Amortized Cost, Held to Maturity, Due after one year through five years	52,911	'
Amortized Cost, Held to Maturity, Due after five years through ten years	196,982	'
Amortized Cost, Held to Maturity, Due after ten years	155,627	'
Amortized Cost, Held to Maturity	440,055	317,766
Fair Value, Held to Maturity, Due within one year	34,604	'
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis	0	'
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value	0	'
Fair Value, Held to Maturity, Due after one year through five years	54,378	'
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis	1,084	'
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value	1,161	'
Fair Value, Held to Maturity, Due after five years through ten years	191,821	'
Fair Value, Held to Maturity, Due after ten years	157,211	'
Fair Value, Held to Maturity	438,014	334,475
Available for Sale Securities [Abstract]	'	'
Amortized Cost, Available for Sale, Due after five years through ten years	5,067	'
Amortized Cost, Available for Sale, Due after ten years	27,629	'
Amortized Cost, Available for Sale	475,814	357,633
Fair Value, Available for Sale, Due after five years through ten years	4,925	'
Fair Value, Available for Sale, Due after ten years	16,753	'
Securities available for sale	464,733	356,311
Other debt securities [Member]	'	'
Available for Sale Securities [Abstract]	'	'
Amortized Cost, Available for Sale	20,174	22,079
Securities available for sale	20,241	22,930
Equity Securities [Member]	'	'
Available for Sale Securities [Abstract]	'	'
Amortized Cost, Available for Sale	2,775	2,355
Securities available for sale	3,877	3,068
Government agency mortgage backed securities [Member] | Residential mortgage backed securities [Member]	'	'
Available for Sale Securities [Abstract]	'	'
Amortized Cost, Available for Sale	221,276	139,699
Securities available for sale	220,930	144,817
Government agency mortgage backed securities [Member] | Commercial mortgage backed securities [Member]	'	'
Available for Sale Securities [Abstract]	'	'
Amortized Cost, Available for Sale	41,440	41,981
Securities available for sale	42,379	45,058
Government agency collateralized mortgage obligations [Member] | Residential mortgage backed securities [Member]	'	'
Available for Sale Securities [Abstract]	'	'
Amortized Cost, Available for Sale	151,340	115,647
Securities available for sale	149,356	117,521
Government agency collateralized mortgage obligations [Member] | Commercial mortgage backed securities [Member]	'	'
Available for Sale Securities [Abstract]	'	'
Amortized Cost, Available for Sale	5,029	5,091
Securities available for sale	$5,111	$5,407

Securities_Details_4

Securities (Details 4) (USD $)	9 Months Ended	12 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Cash and Cash Equivalents [Line Items]	'	'
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	140	13
Held-to-maturity Securities [Abstract]	'	'
Fair Value, Held to Maturity, Less than 12 Months	$198,245	$38,085
Unrealized Losses, Held to Maturity, Less than 12 months	-10,406	-266
Fair Value, Held to Maturity, 12 Months or More	0	126
Unrealized Losses, Held to Maturity, 12 Months or More	0	-1
Fair Value, Held to Maturity, Total	198,245	38,211
Unrealized Losses, Held to Maturity, Total	-10,406	-267
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	55	20
Fair Value, Available for Sale, Less than 12 Months	195,004	60,047
Unrealized Losses, Available for Sale, Less than 12 months	-8,050	-480
Fair Value, Available for Sale, 12 Months or More	26,059	18,861
Unrealized Losses, Available for Sale, 12 months or More	-11,184	-13,555
Fair Value, Available for Sale, Total	221,063	78,908
Unrealized Losses, Available for Sale, Total	-19,234	-14,035
Trust preferred securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	4	4
Fair Value, Available for Sale, Less than 12 Months	0	0
Unrealized Losses, Available for Sale, Less than 12 months	0	0
Fair Value, Available for Sale, 12 Months or More	16,753	15,068
Unrealized Losses, Available for Sale, 12 months or More	-10,876	-13,544
Fair Value, Available for Sale, Total	16,753	15,068
Unrealized Losses, Available for Sale, Total	-10,876	-13,544
Other debt securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	2	1
Fair Value, Available for Sale, Less than 12 Months	2,764	0
Unrealized Losses, Available for Sale, Less than 12 months	-206	0
Fair Value, Available for Sale, 12 Months or More	1,971	2,188
Unrealized Losses, Available for Sale, 12 months or More	-7	-1
Fair Value, Available for Sale, Total	4,735	2,188
Unrealized Losses, Available for Sale, Total	-213	-1
Equity Securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	'	0
Fair Value, Available for Sale, Less than 12 Months	'	0
Unrealized Losses, Available for Sale, Less than 12 months	'	0
Fair Value, Available for Sale, 12 Months or More	'	0
Unrealized Losses, Available for Sale, 12 months or More	'	0
Fair Value, Available for Sale, Total	'	0
Unrealized Losses, Available for Sale, Total	'	0
Obligations of other U.S. Government agencies and corporations [Member]	'	'
Cash and Cash Equivalents [Line Items]	'	'
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	30	8
Held-to-maturity Securities [Abstract]	'	'
Fair Value, Held to Maturity, Less than 12 Months	138,850	35,224
Unrealized Losses, Held to Maturity, Less than 12 months	-7,707	-232
Fair Value, Held to Maturity, 12 Months or More	0	0
Unrealized Losses, Held to Maturity, 12 Months or More	0	0
Fair Value, Held to Maturity, Total	138,850	35,224
Unrealized Losses, Held to Maturity, Total	-7,707	-232
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	1	0
Fair Value, Available for Sale, Less than 12 Months	3,789	0
Unrealized Losses, Available for Sale, Less than 12 months	-211	0
Fair Value, Available for Sale, 12 Months or More	0	0
Unrealized Losses, Available for Sale, 12 months or More	0	0
Fair Value, Available for Sale, Total	3,789	0
Unrealized Losses, Available for Sale, Total	-211	0
Obligations of states and political subdivisions [Member]	'	'
Cash and Cash Equivalents [Line Items]	'	'
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	110	5
Held-to-maturity Securities [Abstract]	'	'
Fair Value, Held to Maturity, Less than 12 Months	59,395	2,861
Unrealized Losses, Held to Maturity, Less than 12 months	-2,699	-34
Fair Value, Held to Maturity, 12 Months or More	0	126
Unrealized Losses, Held to Maturity, 12 Months or More	0	-1
Fair Value, Held to Maturity, Total	59,395	2,987
Unrealized Losses, Held to Maturity, Total	-2,699	-35
Government agency mortgage backed securities [Member] | Residential mortgage backed securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	24	3
Fair Value, Available for Sale, Less than 12 Months	95,531	15,431
Unrealized Losses, Available for Sale, Less than 12 months	-3,610	-91
Fair Value, Available for Sale, 12 Months or More	0	0
Unrealized Losses, Available for Sale, 12 months or More	0	0
Fair Value, Available for Sale, Total	95,531	15,431
Unrealized Losses, Available for Sale, Total	-3,610	-91
Government agency mortgage backed securities [Member] | Commercial mortgage backed securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	4	0
Fair Value, Available for Sale, Less than 12 Months	16,672	0
Unrealized Losses, Available for Sale, Less than 12 months	-547	0
Fair Value, Available for Sale, 12 Months or More	0	0
Unrealized Losses, Available for Sale, 12 months or More	0	0
Fair Value, Available for Sale, Total	16,672	0
Unrealized Losses, Available for Sale, Total	-547	0
Government agency collateralized mortgage obligations [Member] | Residential mortgage backed securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	20	12
Fair Value, Available for Sale, Less than 12 Months	76,248	44,616
Unrealized Losses, Available for Sale, Less than 12 months	-3,476	-389
Fair Value, Available for Sale, 12 Months or More	7,335	1,605
Unrealized Losses, Available for Sale, 12 months or More	-301	-10
Fair Value, Available for Sale, Total	83,583	46,221
Unrealized Losses, Available for Sale, Total	-3,777	-399
Government agency collateralized mortgage obligations [Member] | Commercial mortgage backed securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	0	0
Fair Value, Available for Sale, Less than 12 Months	0	0
Unrealized Losses, Available for Sale, Less than 12 months	0	0
Fair Value, Available for Sale, 12 Months or More	0	0
Unrealized Losses, Available for Sale, 12 months or More	0	0
Fair Value, Available for Sale, Total	0	0
Unrealized Losses, Available for Sale, Total	$0	$0
LessThan12Months [Member]	'	'
Cash and Cash Equivalents [Line Items]	'	'
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	140	12
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	48	14
LessThan12Months [Member] | Trust preferred securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	0	0
LessThan12Months [Member] | Other debt securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	1	0
LessThan12Months [Member] | Equity Securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	'	0
LessThan12Months [Member] | Obligations of other U.S. Government agencies and corporations [Member]	'	'
Cash and Cash Equivalents [Line Items]	'	'
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	30	8
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	1	0
LessThan12Months [Member] | Obligations of states and political subdivisions [Member]	'	'
Cash and Cash Equivalents [Line Items]	'	'
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	110	4
LessThan12Months [Member] | Government agency mortgage backed securities [Member] | Residential mortgage backed securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	24	3
LessThan12Months [Member] | Government agency mortgage backed securities [Member] | Commercial mortgage backed securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	4	0
LessThan12Months [Member] | Government agency collateralized mortgage obligations [Member] | Residential mortgage backed securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	18	11
LessThan12Months [Member] | Government agency collateralized mortgage obligations [Member] | Commercial mortgage backed securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	0	0
GreaterThan12Months [Member]	'	'
Cash and Cash Equivalents [Line Items]	'	'
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	0	1
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	7	6
GreaterThan12Months [Member] | Trust preferred securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	4	4
GreaterThan12Months [Member] | Other debt securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	1	1
GreaterThan12Months [Member] | Equity Securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	'	0
GreaterThan12Months [Member] | Obligations of other U.S. Government agencies and corporations [Member]	'	'
Cash and Cash Equivalents [Line Items]	'	'
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	0	0
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	0	0
GreaterThan12Months [Member] | Obligations of states and political subdivisions [Member]	'	'
Cash and Cash Equivalents [Line Items]	'	'
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	0	1
GreaterThan12Months [Member] | Government agency mortgage backed securities [Member] | Residential mortgage backed securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	0	0
GreaterThan12Months [Member] | Government agency mortgage backed securities [Member] | Commercial mortgage backed securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	0	0
GreaterThan12Months [Member] | Government agency collateralized mortgage obligations [Member] | Residential mortgage backed securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	2	1
GreaterThan12Months [Member] | Government agency collateralized mortgage obligations [Member] | Commercial mortgage backed securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	0	0

Securities_Details_5

Securities (Details 5) (USD $)	9 Months Ended	12 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Investments in pooled trust preferred securities	'	'
Amortized Cost, Available for Sale	$475,814	$357,633
Securities available for sale	464,733	356,311
Gross Unrealized Losses, Available for Sale	-19,234	-14,035
Trust preferred securities [Member]	'	'
Investments in pooled trust preferred securities	'	'
Amortized Cost, Available for Sale	27,629	28,612
Securities available for sale	16,753	15,068
Gross Unrealized Losses, Available for Sale	-10,876	'
XIII [Member]	'	'
Investments in pooled trust preferred securities	'	'
Amortized Cost, Available for Sale	1,155	'
Securities available for sale	1,140	'
Gross Unrealized Losses, Available for Sale	-15	'
Issuers Currently in Deferral or Default (percent)	28.00%	'
XXIII [Member]	'	'
Investments in pooled trust preferred securities	'	'
Amortized Cost, Available for Sale	8,831	'
Securities available for sale	5,547	'
Gross Unrealized Losses, Available for Sale	-3,284	'
Issuers Currently in Deferral or Default (percent)	21.00%	'
XXIV [Member]	'	'
Investments in pooled trust preferred securities	'	'
Amortized Cost, Available for Sale	12,076	'
Securities available for sale	6,782	'
Gross Unrealized Losses, Available for Sale	-5,294	'
Issuers Currently in Deferral or Default (percent)	34.00%	'
XXVI [Member]	'	'
Investments in pooled trust preferred securities	'	'
Amortized Cost, Available for Sale	5,567	'
Securities available for sale	3,284	'
Gross Unrealized Losses, Available for Sale	($2,283)	'
Issuers Currently in Deferral or Default (percent)	31.00%	'

Securities_Details_6

Securities (Details 6) (USD $)	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Cumulative credit related losses recognized in earnings	'	'
Beginning balance	($3,337)	($3,337)
Additions related to credit losses for which OTTI was not previously recognized	0	0
Increases in credit loss for which OTTI was previously recognized	0	0
Ending balance	($3,337)	($3,337)

Securities_Details_Textual

Securities (Details Textual) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
	Institutions
	Tranche
Schedule of Available-for-sale Securities [Line Items]	'	'	'
Carrying value of securities held to maturity	$4,292,000	'	'
Net gain recognized on sale of securities held to maturity	169,000	'	'
Securities classified as held to maturity	'	0	'
Investments in pooled trust preferred securities, cost basis	475,814,000	'	357,633,000
Securities available for sale, at fair value	464,733,000	'	356,311,000
Number of institutions issuing debt (institutions)	330	'	'
Number of securities representing interests in tranches of trusts (tranches)	4	'	'
Secure government, public and trust deposits [Member]	'	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'	'
Available for sale securities pledged as collateral	581,266,000	'	308,362,000
Short-term borrowings [Member]	'	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'	'
Available for sale securities pledged as collateral	$5,684,000	'	$19,006,000

Loans_and_the_Allowance_for_Lo2

Loans and the Allowance for Loan Losses (Details) (USD $)	Sep. 30, 2013		Dec. 31, 2012
In Thousands, unless otherwise specified
Summary of loans	'		'
Gross loans	$3,881,533		$2,810,258
Unearned income	-1		-5
Loans, net of unearned income	3,881,532		2,810,253
Allowance for loan losses	-46,250		-44,347
Loans, net	3,835,282		2,765,906
Commercial, financial, agricultural [Member]	'		'
Summary of loans	'		'
Gross loans	481,243		317,050
Loans, net of unearned income	481,243		317,050
Lease financing [Member]	'		'
Summary of loans	'		'
Gross loans	76		195
Real estate - construction [Member]	'		'
Summary of loans	'		'
Gross loans	152,217		105,706
Loans, net of unearned income	152,217		105,706
Real estate - 1-4 family mortgage [Member]	'		'
Summary of loans	'		'
Gross loans	1,192,223		903,423
Loans, net of unearned income	1,192,223		903,423
Real estate - commercial mortgage [Member]	'		'
Summary of loans	'		'
Gross loans	1,960,584		1,426,643
Loans, net of unearned income	1,960,584		1,426,643
Installment loans to individuals [Member]	'		'
Summary of loans	'		'
Gross loans	95,190		57,241
Loans, net of unearned income	$95,265	[1]	$57,431	[1]
[1]	Includes lease financing receivables.

Loans_and_the_Allowance_for_Lo3

Loans and the Allowance for Loan Losses (Details 1) (USD $)	Sep. 30, 2013		Dec. 31, 2012
In Thousands, unless otherwise specified
Past due and nonaccrual loans	'		'
Loans and Leases Receivable, Net of Deferred Income	$3,881,532		$2,810,253
Loans and Leases Receivable, Gross	3,881,533		2,810,258
Commercial, financial, agricultural [Member]	'		'
Past due and nonaccrual loans	'		'
Loans and Leases Receivable, Net of Deferred Income	481,243		317,050
Loans and Leases Receivable, Gross	481,243		317,050
Lease financing [Member]	'		'
Past due and nonaccrual loans	'		'
Loans and Leases Receivable, Gross	76		195
Real estate - construction [Member]	'		'
Past due and nonaccrual loans	'		'
Loans and Leases Receivable, Net of Deferred Income	152,217		105,706
Loans and Leases Receivable, Gross	152,217		105,706
Real estate - 1-4 family mortgage [Member]	'		'
Past due and nonaccrual loans	'		'
Loans and Leases Receivable, Net of Deferred Income	1,192,223		903,423
Loans and Leases Receivable, Gross	1,192,223		903,423
Real estate - commercial mortgage [Member]	'		'
Past due and nonaccrual loans	'		'
Loans and Leases Receivable, Net of Deferred Income	1,960,584		1,426,643
Loans and Leases Receivable, Gross	1,960,584		1,426,643
Installment loans to individuals [Member]	'		'
Past due and nonaccrual loans	'		'
Loans and Leases Receivable, Net of Deferred Income	95,265	[1]	57,431	[1]
Loans and Leases Receivable, Gross	95,190		57,241
Unearned income [Member]	'		'
Past due and nonaccrual loans	'		'
Loans and Leases Receivable, Gross	-1		-5
Accruing Loans [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	24,178		12,530
90 Days or More Past Due	11,152		3,307
Current Loans	3,776,398		2,714,349
Total Loans, Accruing	3,811,728		2,730,186
Accruing Loans [Member] | Commercial, financial, agricultural [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	1,362		484
90 Days or More Past Due	272		15
Current Loans	476,874		312,943
Total Loans, Accruing	478,508		313,442
Accruing Loans [Member] | Lease financing [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	0		0
90 Days or More Past Due	0		0
Current Loans	76		195
Total Loans, Accruing	76		195
Accruing Loans [Member] | Real estate - construction [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	1		80
90 Days or More Past Due	592		0
Current Loans	149,976		103,978
Total Loans, Accruing	150,569		104,058
Accruing Loans [Member] | Real estate - 1-4 family mortgage [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	11,965		6,685
90 Days or More Past Due	3,436		1,992
Current Loans	1,158,038		867,053
Total Loans, Accruing	1,173,439		875,730
Accruing Loans [Member] | Real estate - commercial mortgage [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	10,526		5,084
90 Days or More Past Due	6,796		1,250
Current Loans	1,896,754		1,373,470
Total Loans, Accruing	1,914,076		1,379,804
Accruing Loans [Member] | Installment loans to individuals [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	324		197
90 Days or More Past Due	56		50
Current Loans	94,681		56,715
Total Loans, Accruing	95,061		56,962
Accruing Loans [Member] | Unearned income [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	0		0
90 Days or More Past Due	0		0
Current Loans	1		5
Total Loans, Accruing	1		5
Nonaccruing Loans [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	5,570		1,796
90 Days or More Past Due	42,711		56,758
Current Loans	21,523		21,513
Total Loans, Nonaccuring	69,804		80,067
Nonaccruing Loans [Member] | Commercial, financial, agricultural [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	0		215
90 Days or More Past Due	1,922		3,131
Current Loans	813		262
Total Loans, Nonaccuring	2,735		3,608
Nonaccruing Loans [Member] | Lease financing [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	0		0
90 Days or More Past Due	0		0
Current Loans	0		0
Total Loans, Nonaccuring	0		0
Nonaccruing Loans [Member] | Real estate - construction [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	0		0
90 Days or More Past Due	1,648		1,648
Current Loans	0		0
Total Loans, Nonaccuring	1,648		1,648
Nonaccruing Loans [Member] | Real estate - 1-4 family mortgage [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	2,276		1,249
90 Days or More Past Due	5,788		13,417
Current Loans	10,720		13,027
Total Loans, Nonaccuring	18,784		27,693
Nonaccruing Loans [Member] | Real estate - commercial mortgage [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	3,294		325
90 Days or More Past Due	33,224		38,297
Current Loans	9,990		8,217
Total Loans, Nonaccuring	46,508		46,839
Nonaccruing Loans [Member] | Installment loans to individuals [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	0		7
90 Days or More Past Due	129		265
Current Loans	0		7
Total Loans, Nonaccuring	129		279
Nonaccruing Loans [Member] | Unearned income [Member]	'		'
Past due and nonaccrual loans	'		'
30-89 Days Past Due	0		0
90 Days or More Past Due	0		0
Current Loans	0		0
Total Loans, Nonaccuring	$0		$0
[1]	Includes lease financing receivables.

Loans_and_the_Allowance_for_Lo4

Loans and the Allowance for Loan Losses (Details 2) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Impaired loans	'	'
Unpaid Contractual Principal Balance	$156,202	$205,778
Recorded Investment With Allowance	56,433	64,868
Recorded Investment With No Allowance	47,886	52,812
Total Recorded Investment	104,319	117,680
Related Allowance	14,908	17,597
Commercial, financial, agricultural [Member]	'	'
Impaired loans	'	'
Unpaid Contractual Principal Balance	6,536	5,142
Recorded Investment With Allowance	603	1,620
Recorded Investment With No Allowance	2,193	1,620
Total Recorded Investment	2,796	3,240
Related Allowance	260	708
Lease financing [Member]	'	'
Impaired loans	'	'
Unpaid Contractual Principal Balance	0	0
Recorded Investment With Allowance	0	0
Recorded Investment With No Allowance	0	0
Total Recorded Investment	0	0
Related Allowance	0	0
Real estate - construction [Member]	'	'
Impaired loans	'	'
Unpaid Contractual Principal Balance	2,447	2,447
Recorded Investment With Allowance	0	0
Recorded Investment With No Allowance	1,648	1,648
Total Recorded Investment	1,648	1,648
Related Allowance	0	0
Real estate - 1-4 family mortgage [Member]	'	'
Impaired loans	'	'
Unpaid Contractual Principal Balance	39,279	80,022
Recorded Investment With Allowance	25,285	28,848
Recorded Investment With No Allowance	4,776	10,094
Total Recorded Investment	30,061	38,942
Related Allowance	7,569	9,201
Real estate - commercial mortgage [Member]	'	'
Impaired loans	'	'
Unpaid Contractual Principal Balance	107,940	118,167
Recorded Investment With Allowance	30,545	34,400
Recorded Investment With No Allowance	39,269	39,450
Total Recorded Investment	69,814	73,850
Related Allowance	7,079	7,688
Installment loans to individuals [Member]	'	'
Impaired loans	'	'
Unpaid Contractual Principal Balance	0	0
Recorded Investment With Allowance	0	0
Recorded Investment With No Allowance	0	0
Total Recorded Investment	0	0
Related Allowance	$0	$0

Loans_and_the_Allowance_for_Lo5

Loans and the Allowance for Loan Losses (Details 3) (USD $)	3 Months Ended			9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012		Sep. 30, 2013	Sep. 30, 2012
Investment and interest income recognized on impaired loans	'	'		'	'
Average Recorded Investment	$114,419	$153,127		$115,951	$163,067
Interest Income Recognized	541	1,568	[1]	1,298	3,258	[1]
Commercial, financial, agricultural [Member]	'	'		'	'
Investment and interest income recognized on impaired loans	'	'		'	'
Average Recorded Investment	5,183	3,474		5,123	3,610
Interest Income Recognized	4	25	[1]	4	41	[1]
Lease financing [Member]	'	'		'	'
Investment and interest income recognized on impaired loans	'	'		'	'
Average Recorded Investment	0	0		0	0
Interest Income Recognized	0	0	[1]	0	0	[1]
Real estate - construction [Member]	'	'		'	'
Investment and interest income recognized on impaired loans	'	'		'	'
Average Recorded Investment	1,650	2,086		1,650	2,087
Interest Income Recognized	0	6	[1]	0	6	[1]
Real estate - 1-4 family mortgage [Member]	'	'		'	'
Investment and interest income recognized on impaired loans	'	'		'	'
Average Recorded Investment	32,274	58,104		33,181	62,320
Interest Income Recognized	158	917	[1]	449	1,515	[1]
Real estate - commercial mortgage [Member]	'	'		'	'
Investment and interest income recognized on impaired loans	'	'		'	'
Average Recorded Investment	75,312	89,463		75,997	95,050
Interest Income Recognized	379	620	[1]	845	1,696	[1]
Installment loans to individuals [Member]	'	'		'	'
Investment and interest income recognized on impaired loans	'	'		'	'
Average Recorded Investment	0	0		0	0
Interest Income Recognized	$0	$0	[1]	$0	$0	[1]
[1]	Includes interest income recognized using the cash-basis method of income recognition of $814. No interest income was recognized using the cash-basis method of income recognition during the three months ended September 30, 2013.

Loans_and_the_Allowance_for_Lo6

Loans and the Allowance for Loan Losses (Details 4) (USD $)	9 Months Ended	12 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
	Loan	Loan
Restructured loans	'	'
Number of Loans (loans)	41	36
Pre-Modification Outstanding Recorded Investment	$30,894	$37,619
Post-Modification Outstanding Recorded Investment	22,236	29,436
Commercial, financial, agricultural [Member]	'	'
Restructured loans	'	'
Number of Loans (loans)	1	0
Pre-Modification Outstanding Recorded Investment	0	0
Post-Modification Outstanding Recorded Investment	20	0
Lease financing [Member]	'	'
Restructured loans	'	'
Number of Loans (loans)	0	0
Pre-Modification Outstanding Recorded Investment	0	0
Post-Modification Outstanding Recorded Investment	0	0
Real estate - construction [Member]	'	'
Restructured loans	'	'
Number of Loans (loans)	0	0
Pre-Modification Outstanding Recorded Investment	0	0
Post-Modification Outstanding Recorded Investment	0	0
Real estate - 1-4 family mortgage [Member]	'	'
Restructured loans	'	'
Number of Loans (loans)	23	19
Pre-Modification Outstanding Recorded Investment	18,670	18,450
Post-Modification Outstanding Recorded Investment	10,625	10,853
Real estate - commercial mortgage [Member]	'	'
Restructured loans	'	'
Number of Loans (loans)	16	16
Pre-Modification Outstanding Recorded Investment	12,224	18,985
Post-Modification Outstanding Recorded Investment	11,419	18,409
Installment loans to individuals [Member]	'	'
Restructured loans	'	'
Number of Loans (loans)	1	1
Pre-Modification Outstanding Recorded Investment	0	184
Post-Modification Outstanding Recorded Investment	$172	$174

Loans_and_the_Allowance_for_Lo7

Loans and the Allowance for Loan Losses (Details 5) (USD $)	9 Months Ended	12 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
	Loan	Loan
Changes in restructured loans [Roll Forward]	'	'
Totals, Number of Loans, Beginning (loans)	41	36
Additional loans with concessions, Number of Loans (loans)	13	'
Reclassified as nonperforming, Number of Loans (loans)	-2	'
Charge Offs, Number of Loans (loans)	-2	'
Transfer to other real estate owned, Number of Loans (loans)	0	'
Lapse of concession period, Number of Loans (loans)	-4	'
Totals, Number of Loans, Ending (loans)	41	36
Changes in recorded investments [Roll Forward]	'	'
Totals, Recorded Investment, Beginning	$29,436	'
Additional loans with concessions, Recorded Investment	4,319	'
Reclassified as Nonperforming Restructured Loans	-3,227	'
Charge-offs, Recorded Investment	-877	'
Transfer to other real estate owned, Recorded Investment	0	'
Principal paydowns, Recorded Investment	-1,674	'
Lapse of concession period, Recorded Investment	-5,741	'
Totals, Recorded Investment, Ending	$22,236	$29,436

Loans_and_the_Allowance_for_Lo8

Loans and the Allowance for Loan Losses (Details 6) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Loan portfolio by risk-rating grades	'	'
Total	$2,054,712	$1,530,101
Commercial, financial, agricultural [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	360,062	231,697
Real estate - construction [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	106,962	72,284
Real estate - 1-4 family mortgage [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	172,322	152,874
Real estate - commercial mortgage [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	1,415,362	1,073,239
Installment loans to individuals [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	4	7
Pass [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	1,913,561	1,383,422
Pass [Member] | Commercial, financial, agricultural [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	330,739	226,540
Pass [Member] | Real estate - construction [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	106,040	71,633
Pass [Member] | Real estate - 1-4 family mortgage [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	129,710	96,147
Pass [Member] | Real estate - commercial mortgage [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	1,347,068	989,095
Pass [Member] | Installment loans to individuals [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	4	7
Watch [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	74,254	72,876
Watch [Member] | Commercial, financial, agricultural [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	27,455	1,939
Watch [Member] | Real estate - construction [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	922	651
Watch [Member] | Real estate - 1-4 family mortgage [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	13,960	24,138
Watch [Member] | Real estate - commercial mortgage [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	31,917	46,148
Watch [Member] | Installment loans to individuals [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	0	0
Substandard [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	66,897	73,803
Substandard [Member] | Commercial, financial, agricultural [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	1,868	3,218
Substandard [Member] | Real estate - construction [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	0	0
Substandard [Member] | Real estate - 1-4 family mortgage [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	28,652	32,589
Substandard [Member] | Real estate - commercial mortgage [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	36,377	37,996
Substandard [Member] | Installment loans to individuals [Member]	'	'
Loan portfolio by risk-rating grades	'	'
Total	$0	$0

Loans_and_the_Allowance_for_Lo9

Loans and the Allowance for Loan Losses (Details 7) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Loan portfolio not subject to risk rating	'	'
Loan portfolio	$1,351,624	$1,032,128
Commercial, financial, agricultural [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	82,447	74,213
Lease financing [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	75	195
Real estate - construction [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	41,045	31,774
Real estate - 1-4 family mortgage [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	912,733	675,402
Real estate - commercial mortgage [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	227,841	195,535
Installment loans to individuals [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	87,483	55,009
Performing [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	1,348,435	1,026,050
Performing [Member] | Commercial, financial, agricultural [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	82,283	74,003
Performing [Member] | Lease financing [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	75	195
Performing [Member] | Real estate - construction [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	41,045	31,774
Performing [Member] | Real estate - 1-4 family mortgage [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	910,066	670,074
Performing [Member] | Real estate - commercial mortgage [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	227,578	195,086
Performing [Member] | Installment loans to individuals [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	87,388	54,918
Non-Performing [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	3,189	6,078
Non-Performing [Member] | Commercial, financial, agricultural [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	164	210
Non-Performing [Member] | Lease financing [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	0	0
Non-Performing [Member] | Real estate - construction [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	0	0
Non-Performing [Member] | Real estate - 1-4 family mortgage [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	2,667	5,328
Non-Performing [Member] | Real estate - commercial mortgage [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	263	449
Non-Performing [Member] | Installment loans to individuals [Member]	'	'
Loan portfolio not subject to risk rating	'	'
Loan portfolio	$95	$91

Recovered_Sheet1

Loans and the Allowance for Loan Losses (Details 8) (USD $)	Sep. 30, 2013		Dec. 31, 2012
In Thousands, unless otherwise specified
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	$482,080		$248,029
Impaired Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	25,319		31,904
Other Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	170,693		205,184
Not Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	286,068		10,941
Commercial, financial, agricultural [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	36,481		11,140
Commercial, financial, agricultural [Member] | Impaired Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	0		0
Commercial, financial, agricultural [Member] | Other Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	10,295		10,800
Commercial, financial, agricultural [Member] | Not Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	26,186		340
Lease financing [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	0		0
Lease financing [Member] | Impaired Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	0		0
Lease financing [Member] | Other Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	0		0
Lease financing [Member] | Not Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	0		0
Real estate - construction [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	5,883		1,648
Real estate - construction [Member] | Impaired Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	0		0
Real estate - construction [Member] | Other Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	1,648		1,648
Real estate - construction [Member] | Not Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	4,235		0
Real estate - 1-4 family mortgage [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	108,333		75,147
Real estate - 1-4 family mortgage [Member] | Impaired Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	1,040		6,122
Real estate - 1-4 family mortgage [Member] | Other Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	55,683		67,326
Real estate - 1-4 family mortgage [Member] | Not Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	51,610		1,699
Real estate - commercial mortgage [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	323,863		157,869
Real estate - commercial mortgage [Member] | Impaired Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	24,279		25,782
Real estate - commercial mortgage [Member] | Other Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	103,036		125,379
Real estate - commercial mortgage [Member] | Not Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	196,548		6,708
Installment loans to individuals [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	7,520	[1]	2,225	[1]
Installment loans to individuals [Member] | Impaired Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	0		0
Installment loans to individuals [Member] | Other Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	31		31
Installment loans to individuals [Member] | Not Covered Loans [Member]	'		'
Loans acquired with deteriorated credit quality	'		'
Acquired with deteriorated credit quality	$7,489		$2,194
[1]	Includes lease financing receivables.

Recovered_Sheet2

Loans and the Allowance for Loan Losses (Details 9) (USD $)	Sep. 30, 2013		Dec. 31, 2012
In Thousands, unless otherwise specified
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	$482,080		$248,029
Impaired Covered Loans [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	25,319		31,904
Other Covered Loans [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	170,693		205,184
Not Covered Loans [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	286,068		10,941
Contractually Required Principal And Interest [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	653,787		'
Contractually Required Principal And Interest [Member] | Impaired Covered Loans [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	67,522		'
Contractually Required Principal And Interest [Member] | Other Covered Loans [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	214,907		'
Contractually Required Principal And Interest [Member] | Not Covered Loans [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	371,358		'
Nonaccretable Difference [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	-131,957	[1]	'
Nonaccretable Difference [Member] | Impaired Covered Loans [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	-42,202	[1]	'
Nonaccretable Difference [Member] | Other Covered Loans [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	-40,896	[1]	'
Nonaccretable Difference [Member] | Not Covered Loans [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	-48,859	[1]	'
Cash Flows Expected to be Collected [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	521,830		'
Cash Flows Expected to be Collected [Member] | Impaired Covered Loans [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	25,320		'
Cash Flows Expected to be Collected [Member] | Other Covered Loans [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	174,011		'
Cash Flows Expected to be Collected [Member] | Not Covered Loans [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	322,499		'
Accretable Yield [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	-39,750	[2]	'
Accretable Yield [Member] | Impaired Covered Loans [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	-1	[2]	'
Accretable Yield [Member] | Other Covered Loans [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	-3,318	[2]	'
Accretable Yield [Member] | Not Covered Loans [Member]	'		'
Fair value of loans determined to be impaired and not to be impaired at the time of acquisition	'		'
Loans acquired with deteriorated credit quality	($36,431)	[2]	'
[1]	Represents contractual principal and interest cash flows of $641,495 and $12,292, respectively, not expected to be collected.
[2]	Represents contractual interest payments of $3,355 expected to be collected and purchase discount of $36,395.

Recovered_Sheet3

Loans and the Allowance for Loan Losses (Details 10) (USD $)	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013
Changes in accretable yield of loans acquired with deteriorated credit quality	'
Beginning Balance	($7,848)
Reclasses from nonaccretable difference	-40,334
Accretion	8,432
Ending Balance	-39,750
Impaired Covered Loans [Member]	'
Changes in accretable yield of loans acquired with deteriorated credit quality	'
Beginning Balance	-13
Reclasses from nonaccretable difference	-109
Accretion	121
Ending Balance	-1
Other Covered Loans [Member]	'
Changes in accretable yield of loans acquired with deteriorated credit quality	'
Beginning Balance	-6,705
Reclasses from nonaccretable difference	-3,557
Accretion	6,944
Ending Balance	-3,318
Not Covered Loans [Member]	'
Changes in accretable yield of loans acquired with deteriorated credit quality	'
Beginning Balance	-1,130
Reclasses from nonaccretable difference	-36,668
Accretion	1,367
Ending Balance	($36,431)

Recovered_Sheet4

Loans and the Allowance for Loan Losses (Details 11) (USD $)	3 Months Ended				9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012		Mar. 31, 2013		Mar. 31, 2012
Allowance for loan losses:	'		'		'		'		'		'
Beginning balance	'		'		$44,347		$44,340		$47,034		$44,779
Charge-offs	-3,326		-6,170		-8,344		-16,022		'		'
Recoveries	242		835		1,897		1,626		'		'
Net charge-offs	-3,084		-5,335		-6,447		-14,396		'		'
Provision for loan losses	2,768		5,967		9,652		20,905		'		'
Benefit attributable to FDIC loss-share agreements	-522		-1,582		-2,193		-7,753		'		'
Recoveries payable to FDIC	54		240		891		973		'		'
Provision for loan losses charged to operations	2,300		4,625		8,350		14,125		'		'
Ending balance	46,250		44,069		46,250		44,069		47,034		44,779
Period-End Amount Allocated to:	'		'		'		'		'		'
Individually evaluated for impairment	14,908		19,169		14,908		19,169		'		'
Collectively evaluated for impairment	31,342		24,900		31,342		24,900		'		'
Acquired with deteriorated credit quality	0		0		0		0		'		'
Ending balance	46,250		44,069		46,250		44,069		47,034		44,779
Commercial [Member]	'		'		'		'		'		'
Allowance for loan losses:	'		'		'		'		'		'
Beginning balance	'		'		3,307		4,197		3,478		3,235
Charge-offs	-887		-2,590		-1,167		-4,623		'		'
Recoveries	54		145		301		323		'		'
Net charge-offs	-833		-2,445		-866		-4,300		'		'
Provision for loan losses	364		2,795		874		4,052		'		'
Benefit attributable to FDIC loss-share agreements	-67		-335		-397		-723		'		'
Recoveries payable to FDIC	5		2		29		26		'		'
Provision for loan losses charged to operations	302		2,462		506		3,355		'		'
Ending balance	2,947		3,252		2,947		3,252		3,478		3,235
Period-End Amount Allocated to:	'		'		'		'		'		'
Individually evaluated for impairment	260		715		260		715		'		'
Collectively evaluated for impairment	2,687		2,537		2,687		2,537		'		'
Acquired with deteriorated credit quality	0		0		0		0		'		'
Ending balance	2,947		3,252		2,947		3,252		3,478		3,235
Real Estate - Construction [Member]	'		'		'		'		'		'
Allowance for loan losses:	'		'		'		'		'		'
Beginning balance	'		'		711		1,073		863		966
Charge-offs	0		0		0		-42		'		'
Recoveries	7		3		70		6		'		'
Net charge-offs	7		3		70		-36		'		'
Provision for loan losses	44		79		132		28		'		'
Benefit attributable to FDIC loss-share agreements	0		0		0		-17		'		'
Recoveries payable to FDIC	0		0		1		0		'		'
Provision for loan losses charged to operations	44		79		133		11		'		'
Ending balance	914		1,048		914		1,048		863		966
Period-End Amount Allocated to:	'		'		'		'		'		'
Individually evaluated for impairment	0		2		0		2		'		'
Collectively evaluated for impairment	914		1,046		914		1,046		'		'
Acquired with deteriorated credit quality	0		0		0		0		'		'
Ending balance	914		1,048		914		1,048		863		966
Real Estate - 1-4 Family Mortgage [Member]	'		'		'		'		'		'
Allowance for loan losses:	'		'		'		'		'		'
Beginning balance	'		'		18,347		17,191		19,432		18,980
Charge-offs	-1,251		-2,682		-2,517		-7,230		'		'
Recoveries	120		648		591		981		'		'
Net charge-offs	-1,131		-2,034		-1,926		-6,249		'		'
Provision for loan losses	370		2,269		2,088		10,269		'		'
Benefit attributable to FDIC loss-share agreements	-326		-1,187		-956		-3,421		'		'
Recoveries payable to FDIC	45		162		837		400		'		'
Provision for loan losses charged to operations	89		1,244		1,969		7,248		'		'
Ending balance	18,390		18,190		18,390		18,190		19,432		18,980
Period-End Amount Allocated to:	'		'		'		'		'		'
Individually evaluated for impairment	7,569		10,011		7,569		10,011		'		'
Collectively evaluated for impairment	10,821		8,179		10,821		8,179		'		'
Acquired with deteriorated credit quality	0		0		0		0		'		'
Ending balance	18,390		18,190		18,390		18,190		19,432		18,980
Real estate - commercial mortgage [Member]	'		'		'		'		'		'
Allowance for loan losses:	'		'		'		'		'		'
Beginning balance	'		'		21,416		20,979		22,239		20,765
Charge-offs	-1,106		-780		-4,226		-3,806		'		'
Recoveries	38		22		885		247		'		'
Net charge-offs	-1,068		-758		-3,341		-3,559		'		'
Provision for loan losses	1,975		988		5,762		6,640		'		'
Benefit attributable to FDIC loss-share agreements	-129		-60		-840		-3,592		'		'
Recoveries payable to FDIC	4		76		24		543		'		'
Provision for loan losses charged to operations	1,850		1,004		4,946		3,591		'		'
Ending balance	23,021		21,011		23,021		21,011		22,239		20,765
Period-End Amount Allocated to:	'		'		'		'		'		'
Individually evaluated for impairment	7,079		8,441		7,079		8,441		'		'
Collectively evaluated for impairment	15,942		12,570		15,942		12,570		'		'
Acquired with deteriorated credit quality	0		0		0		0		'		'
Ending balance	23,021		21,011		23,021		21,011		22,239		20,765
Installment and Other [Member]	'		'		'		'		'		'
Allowance for loan losses:	'		'		'		'		'		'
Beginning balance	'		'		566	[1]	900	[1]	1,022	[1]	833	[1]
Charge-offs	-82	[1]	-118	[1]	-434	[1]	-321	[1]	'		'
Recoveries	23	[1]	17	[1]	50	[1]	69	[1]	'		'
Net charge-offs	-59	[1]	-101	[1]	-384	[1]	-252	[1]	'		'
Provision for loan losses	15	[1]	-164	[1]	796		-84	[1]	'		'
Benefit attributable to FDIC loss-share agreements	0	[1]	0	[1]	0	[1]	0	[1]	'		'
Recoveries payable to FDIC	0	[1]	0	[1]	0	[1]	4	[1]	'		'
Provision for loan losses charged to operations	15	[1]	-164	[1]	796	[1]	-80	[1]	'		'
Ending balance	978	[1]	568	[1]	978	[1]	568	[1]	1,022	[1]	833	[1]
Period-End Amount Allocated to:	'		'		'		'		'		'
Individually evaluated for impairment	0	[1]	0	[1]	0	[1]	0	[1]	'		'
Collectively evaluated for impairment	978	[1]	568	[1]	978	[1]	568	[1]	'		'
Acquired with deteriorated credit quality	0	[1]	0	[1]	0	[1]	0	[1]	'		'
Ending balance	$978	[1]	$568	[1]	$978	[1]	$568	[1]	$1,022	[1]	$833	[1]
[1]	Includes lease financing receivables.

Recovered_Sheet5

Loans and the Allowance for Loan Losses (Details 12) (USD $)	Sep. 30, 2013		Dec. 31, 2012
In Thousands, unless otherwise specified
Investment in loans, net of unearned income on impairment methodology	'		'
Individually evaluated for impairment	$56,853		$64,868
Collectively evaluated for impairment	3,342,599		2,497,356
Acquired with deteriorated credit quality	482,080		248,029
Loans, net of unearned income	3,881,532		2,810,253
Commercial [Member]	'		'
Investment in loans, net of unearned income on impairment methodology	'		'
Individually evaluated for impairment	771		1,620
Collectively evaluated for impairment	443,991		304,290
Acquired with deteriorated credit quality	36,481		11,140
Loans, net of unearned income	481,243		317,050
Real Estate - Construction [Member]	'		'
Investment in loans, net of unearned income on impairment methodology	'		'
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	146,334		104,058
Acquired with deteriorated credit quality	5,883		1,648
Loans, net of unearned income	152,217		105,706
Real Estate - 1-4 Family Mortgage [Member]	'		'
Investment in loans, net of unearned income on impairment methodology	'		'
Individually evaluated for impairment	25,537		28,848
Collectively evaluated for impairment	1,058,353		799,428
Acquired with deteriorated credit quality	108,333		75,147
Loans, net of unearned income	1,192,223		903,423
Real estate - commercial mortgage [Member]	'		'
Investment in loans, net of unearned income on impairment methodology	'		'
Individually evaluated for impairment	30,545		34,400
Collectively evaluated for impairment	1,606,176		1,234,374
Acquired with deteriorated credit quality	323,863		157,869
Loans, net of unearned income	1,960,584		1,426,643
Installment and Other [Member]	'		'
Investment in loans, net of unearned income on impairment methodology	'		'
Individually evaluated for impairment	0	[1]	0	[1]
Collectively evaluated for impairment	87,745	[1]	55,206	[1]
Acquired with deteriorated credit quality	7,520	[1]	2,225	[1]
Loans, net of unearned income	$95,265	[1]	$57,431	[1]
[1]	Includes lease financing receivables.

Recovered_Sheet6

Loans and the Allowance for Loan Losses (Details Textual) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]	'	'	'	'	'
Mortgage and commercial loans discontinued past due period	'	'	'90 days	'	'
Consumer and other retail loans charged-off past due period	'	'	'120 days	'	'
Restructured loans discontinued past due period	'	'	'90 days	'	'90 days
Restructured loans	$0	'	$0	'	$646
Interest income recognized using the cash-basis method of income recognition	0	814	0	1,128	'
Nonperforming loans charged-off past due period	'	'	'90 days	'	'
Allowance for loan losses attributable to restructured loans	46,250	'	46,250	'	44,347
Remaining availability under commitments to lend additional funds on restructured loans	93	'	93	'	288
Fair value of loans contractual principal cash flows amount	641,495	'	641,495	'	'
Fair value of loans contractual interest cash flows	12,292	'	12,292	'	'
Fair value of loans contractual interest payments	'	'	3,355	'	'
Fair value of loans contractual purchase discount	'	'	36,395	'	'
Watch [Member]	'	'	'	'	'
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]	'	'	'	'	'
Loan grades range (loan grade)	'	'	5	'	'
Maximum [Member]	'	'	'	'	'
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]	'	'	'	'	'
Loan grades range (loan grade)	'	'	9	'	'
Maximum [Member] | Pass [Member]	'	'	'	'	'
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]	'	'	'	'	'
Loan grades range (loan grade)	'	'	4	'	'
Maximum [Member] | Substandard [Member]	'	'	'	'	'
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]	'	'	'	'	'
Loan grades range (loan grade)	'	'	9	'	'
Minimum [Member]	'	'	'	'	'
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]	'	'	'	'	'
Loan grades range (loan grade)	'	'	1	'	'
Minimum [Member] | Pass [Member]	'	'	'	'	'
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]	'	'	'	'	'
Loan grades range (loan grade)	'	'	1	'	'
Minimum [Member] | Substandard [Member]	'	'	'	'	'
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]	'	'	'	'	'
Loan grades range (loan grade)	'	'	6	'	'
Restructured Loans [Member]	'	'	'	'	'
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]	'	'	'	'	'
Outstanding balance of restructured loans	12,662	'	12,662	'	11,420
Allowance for loan losses attributable to restructured loans	$3,218	'	$3,218	'	$3,969

Other_Real_Estate_Owned_Detail

Other Real Estate Owned (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs	'	'
Covered OREO	$16,580	$45,534
Not Covered OREO	40,581	44,717
Total OREO	57,161	90,251
Residential real estate [Member]	'	'
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs	'	'
Covered OREO	3,819	8,778
Not Covered OREO	3,519	7,842
Total OREO	7,338	16,620
Commercial real estate [Member]	'	'
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs	'	'
Covered OREO	4,271	14,368
Not Covered OREO	9,122	7,779
Total OREO	13,393	22,147
Residential land development [Member]	'	'
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs	'	'
Covered OREO	1,181	5,005
Not Covered OREO	14,448	22,490
Total OREO	15,629	27,495
Commercial land development [Member]	'	'
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs	'	'
Covered OREO	7,309	17,383
Not Covered OREO	13,492	6,221
Total OREO	20,801	23,604
Other [Member]	'	'
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs	'	'
Covered OREO	'	0
Not Covered OREO	'	385
Total OREO	'	$385

Other_Real_Estate_Owned_Detail1

Other Real Estate Owned (Details 1) (USD $)	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013
Real Estate [Abstract]	'
Other Real Estate, Covered, Additions	$0
Other Real Estate, Non Covered, Additions	13,674
Other Real Estate, Additions	13,674
Covered OREO [Roll Forward]	'
Beginning balance, Covered OREO	45,534
Transfers of loans, Covered OREO	7,025
Capitalized improvements, Covered OREO	0
Impairments, Covered OREO	-6,275	[1]
Dispositions, Covered OREO	-29,646
Other, Covered OREO	-58
Ending balance, Covered OREO	16,580
Not Covered OREO [Roll Forward]	'
Beginning balance, Not Covered OREO	44,717
Transfers of loans, Not Covered OREO	6,575
Capitalized improvements, Not Covered OREO	129
Impairments, Not Covered OREO	-1,574	[1]
Dispositions, Not Covered OREO	-22,939
Other, Not Covered OREO	-1
Ending balance, Not Covered OREO	40,581
Total OREO [Rollforward]	'
Beginning balance, Total OREO	90,251
Transfers of loans, Total OREO	13,600
Capitalized improvements, Total OREO	129
Impairments, Total OREO	-7,849	[1]
Dispositions, Total OREO	-52,585
Other, Total OREO	-59
Ending balance, Total OREO	$57,161
[1]	Of the total impairment charges of $(6,275) recorded for covered OREO, $(1,255) was included in the Consolidated Statements of Income for the nine months ended September 30, 2013, while the remaining $(5,020) increased the FDIC loss-share indemnification asset.

Other_Real_Estate_Owned_Detail2

Other Real Estate Owned (Details 2) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Components of other real estate owned in the Consolidated Statements of Income	'	'	'	'
Repairs and maintenance	$565	$839	$1,473	$2,035
Property taxes and insurance	163	492	820	1,068
Impairments	594	1,023	2,829	5,190
Net losses on OREO sales	293	195	511	1,864
Rental income	-78	-109	-274	-348
Total	$1,537	$2,440	$5,359	$9,809

Other_Real_Estate_Owned_Detail3

Other Real Estate Owned (Details Textual) (USD $)	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013
Other Real Estate Owned (Textual) [Abstract]	'
Total impairment charges	($6,275)	[1]
Consolidated Statements of Income [Member]	'
Other Real Estate Owned (Textual) [Abstract]	'
Total impairment charges	-1,255
FDIC loss-share indemnification asset [Member]	'
Other Real Estate Owned (Textual) [Abstract]	'
Total impairment charges	($5,020)
[1]	Of the total impairment charges of $(6,275) recorded for covered OREO, $(1,255) was included in the Consolidated Statements of Income for the nine months ended September 30, 2013, while the remaining $(5,020) increased the FDIC loss-share indemnification asset.

FDIC_LossShare_Indemnification2

FDIC Loss-Share Indemnification Asset (Details) (USD $)	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013
FDIC Loss-Share Indemnification Asset [Abstract]	'
PercentageofEligibleLossesCovered	80.00%
PercentageofEligibleRecoveriesCovered	80.00%
Changes in FDIC Loss Share Indemnification Asset [Roll Forward]	'
Beginning balance	$44,153
Changes in expected cash flows from initial estimates on:	'
Covered Loans	476
Covered OREO	3,589
Reimbursable expenses	3,278
Accretion	600
Reimbursements received from the FDIC	-24,271
Ending balance	$27,825

Mortgage_Servicing_Rights_Deta

Mortgage Servicing Rights (Details) (USD $)	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013
Changes in mortgage servicing rights	'
Carrying value at the beginning of the period	$4,233
Capitalization	4,674
Amortization	-571
Carrying value at the end of the period	$8,336

Mortgage_Servicing_Rights_Deta1

Mortgage Servicing Rights (Details 1) (USD $)	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013
Data and key economic assumptions related to mortgage servicing rights	'
Unpaid principal balance	$802,454
Weighted-average prepayment speed (CPR) (percent)	2.70%
Estimated impact of a 10% increase	-601
Estimated impact of a 20% increase	-795
Discount rate (percent)	11.26%
Estimated impact of a 10% increase	-677
Estimated impact of a 20% increase	($940)
Weighted-average coupon interest rate (percent)	3.22%
Weighted-average servicing fee (basis points)	25.09%
Weighted-average remaining maturity (in months)	'24 years 1 month 30 days

Mortgage_Servicing_Rights_Deta2

Mortgage Servicing Rights (Details Textual) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Mortgage Servicing Rights (Textual) [Abstract]	'	'	'	'
Mortgage Servicing Rights (MSR) Impairment (Recovery)	$0	$0	$0	$0

Employee_Benefit_and_Deferred_2

Employee Benefit and Deferred Compensation Plans (Details) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Pension Benefits [Member]	'	'	'	'
Plan expense for noncontributory benefit pension plan and post-retirement health and life plans	'	'	'	'
Service cost	$0	$0	$0	$0
Interest cost	222	216	597	646
Expected return on plan assets	-359	-298	-979	-894
Prior service cost recognized	0	0	0	0
Recognized actuarial loss	114	88	313	266
Net periodic benefit cost	-23	6	-69	18
Other Benefits [Member]	'	'	'	'
Plan expense for noncontributory benefit pension plan and post-retirement health and life plans	'	'	'	'
Service cost	8	6	21	18
Interest cost	21	16	48	48
Expected return on plan assets	0	0	0	0
Prior service cost recognized	0	0	0	0
Recognized actuarial loss	70	18	125	54
Net periodic benefit cost	$99	$40	$194	$120

Employee_Benefit_and_Deferred_3

Employee Benefit and Deferred Compensation Plans (Details 1) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Stock option grants assumptions	'	'
Shares granted (shares)	52,500	172,000
Dividend yield (percent)	3.55%	4.55%
Expected volatility (percent)	37.00%	37.00%
Risk-free interest rate (percent)	0.76%	0.79%
Expected lives	'6 years	'6 years
Weighted average exercise price (usd per share)	$19.14	$14.96
Weighted average fair value (usd per share)	$4.47	$3.10

Employee_Benefit_and_Deferred_4

Employee Benefit and Deferred Compensation Plans (Details Textual) (USD $)	0 Months Ended	1 Months Ended		3 Months Ended		9 Months Ended
In Thousands, except Share data, unless otherwise specified	Sep. 01, 2013	Jan. 31, 2013	Jan. 31, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Employee Benefit and Deferred Compensation Plans (Textual) [Abstract]	'	'	'	'	'	'	'
Share based compensation arrangement by share based payment stock option granted, vested and exercisable (percent)	'	33.33%	33.33%	'	'	'	'
Treasury shares reissued (shares)	'	'	'	'	'	84,712	'
Total stock-based compensation expense	'	'	'	$885	$329	$1,840	$937
Share-based Compensation Arrangement by Share-based Payment Award, Options, Other Increases (Decreases) in Period	11,557	'	'	'	'	11,557	'
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	'	'3 years	'	'	'	'	'
Share-based Compensation Arrangements by Share-based Payment Award, Options, Other Share Increase (Decrease) in Period, Weighted Average Exercise Price	$21.16	'	'	'	'	$21.16	'
Share Based Payment Arrangements, Stock Option Awards, Weighted Average Remaining Contractual Life of Options Assumed in Acquisition	'2 years 18 days	'	'	'	'	'	'
Share Based Payment Arrangements, Stock Option Awards, Fair Value of Options Assumed in Acquisition	$68	'	'	'	'	'	'

Employee_Benefit_and_Deferred_5

Employee Benefit and Deferred Compensation Plans-Details 2 (Details) (USD $)	9 Months Ended
	Sep. 30, 2013
Performance Shares [Member]	'
Number of Shares [Roll Forward]	'
Beginning balance (shares)	0
Granted (shares)	69,850
Vested (shares)	0
Cancelled (shares)	0
Ending balance (shares)	69,850
Weighted Average Grant Date Fair Value [Roll Forward]	'
Beginning balance (usd per share)	$0
Granted (usd per share)	$19.14
Vested (usd per share)	$0
Cancelled (usd per share)	$0
Ending balance (usd per share)	$19.14
Restricted Stock [Member]	'
Number of Shares [Roll Forward]	'
Beginning balance (shares)	9,684
Granted (shares)	32,338
Vested (shares)	-9,038
Cancelled (shares)	-646
Ending balance (shares)	32,338
Weighted Average Grant Date Fair Value [Roll Forward]	'
Beginning balance (usd per share)	$15.49
Granted (usd per share)	$22.70
Vested (usd per share)	$15.49
Cancelled (usd per share)	$15.49
Ending balance (usd per share)	$22.70

Employee_Benefit_and_Deferred_6

Employee Benefit and Deferred Compensation Plans Employee Benefit Plans Stock Option Rollforward (Details) (USD $)	0 Months Ended	9 Months Ended
	Sep. 01, 2013	Sep. 30, 2013	Sep. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	'	1,279,244	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Other Increases (Decreases) in Period	11,557	11,557	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	'	52,500	172,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	'	-216,805	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period [Abstract]	'	-10,000	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	'	1,116,496	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	'	$18.79	'
Share-based Compensation Arrangements by Share-based Payment Award, Options, Other Share Increase (Decrease) in Period, Weighted Average Exercise Price	$21.16	$21.16	'
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	'	$19.14	$14.96
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	'	$19.63	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	'	$27.20	'
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	'	$18.59	'

Segment_Reporting_Details

Segment Reporting (Details) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Financial information for the Company's operating segments	'	'	'	'	'
Net interest income	$38,748	$33,132	$106,533	$99,385	'
Provision for loan losses	2,300	4,625	8,350	14,125	'
Noninterest income	18,935	18,055	53,630	50,761	'
Noninterest expense	46,613	38,672	121,947	112,084	'
Income before income taxes	8,770	7,890	29,866	23,937	'
Income taxes	2,133	853	7,639	4,581	'
Net income	6,637	7,037	22,227	19,356	'
Total assets	5,736,048	4,164,606	5,736,048	4,164,606	4,178,616
Goodwill	275,328	184,859	275,328	184,859	184,859
Community Banks [Member]	'	'	'	'	'
Financial information for the Company's operating segments	'	'	'	'	'
Net interest income	39,133	33,444	107,061	100,210	'
Provision for loan losses	2,307	4,659	8,214	14,176	'
Noninterest income	16,160	15,428	46,282	42,507	'
Noninterest expense	43,590	36,042	113,613	104,525	'
Income before income taxes	9,396	8,171	31,516	24,016	'
Income taxes	2,428	1,203	8,230	4,990	'
Net income	6,968	6,968	23,286	19,026	'
Total assets	5,662,257	4,105,716	5,662,257	4,105,716	'
Goodwill	272,545	182,076	272,545	182,076	'
Insurance [Member]	'	'	'	'	'
Financial information for the Company's operating segments	'	'	'	'	'
Net interest income	29	23	76	71	'
Provision for loan losses	0	0	0	0	'
Noninterest income	1,428	887	3,434	2,957	'
Noninterest expense	1,021	786	2,647	2,362	'
Income before income taxes	436	124	863	666	'
Income taxes	77	48	242	258	'
Net income	359	76	621	408	'
Total assets	16,661	10,725	16,661	10,725	'
Goodwill	2,783	2,783	2,783	2,783	'
Wealth Management [Member]	'	'	'	'	'
Financial information for the Company's operating segments	'	'	'	'	'
Net interest income	331	314	950	1,018	'
Provision for loan losses	-7	-34	136	-51	'
Noninterest income	1,325	1,720	3,866	5,234	'
Noninterest expense	1,768	1,661	5,085	4,773	'
Income before income taxes	-105	407	-405	1,530	'
Income taxes	0	51	0	340	'
Net income	-105	356	-405	1,190	'
Total assets	42,291	35,172	42,291	35,172	'
Goodwill	0	0	0	0	'
Other [Member]	'	'	'	'	'
Financial information for the Company's operating segments	'	'	'	'	'
Net interest income	-745	-649	-1,554	-1,914	'
Provision for loan losses	0	0	0	0	'
Noninterest income	22	20	48	63	'
Noninterest expense	234	183	602	424	'
Income before income taxes	-957	-812	-2,108	-2,275	'
Income taxes	-372	-449	-833	-1,007	'
Net income	-585	-363	-1,275	-1,268	'
Total assets	14,839	12,993	14,839	12,993	'
Goodwill	$0	$0	$0	$0	'

Fair_Value_Measurements_Detail

Fair Value Measurements (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Financial assets:	'	'
Securities available for sale	$464,733	$356,311
Trust preferred securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	16,753	15,068
Other debt securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	20,241	22,930
Equity Securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	3,877	3,068
Obligations of other U.S. Government agencies and corporations [Member]	'	'
Financial assets:	'	'
Securities available for sale	6,086	2,442
Government agency mortgage backed securities [Member] | Residential mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	220,930	144,817
Government agency mortgage backed securities [Member] | Commercial mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	42,379	45,058
Government agency collateralized mortgage obligations [Member] | Residential mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	149,356	117,521
Government agency collateralized mortgage obligations [Member] | Commercial mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	5,111	5,407
Recurring [Member]	'	'
Financial assets:	'	'
Securities available for sale	464,733	356,311
Derivative instruments	3,864	4,654
Total financial assets	497,063	395,810
Financial liabilities:	'	'
Derivative instruments	4,784	5,514
Total financial liabilities	4,784	5,514
Recurring [Member] | Interest rate contracts [Member]	'	'
Financial assets:	'	'
Derivative instruments	1,488	3,083
Financial liabilities:	'	'
Derivative instruments	1,488	3,152
Recurring [Member] | Interest rate lock commitments [Member]	'	'
Financial assets:	'	'
Derivative instruments	2,376	1,571
Recurring [Member] | Interest rate swaps [Member]	'	'
Financial liabilities:	'	'
Derivative instruments	1,904	2,164
Recurring [Member] | Forward commitments [Member]	'	'
Financial liabilities:	'	'
Derivative instruments	1,392	198
Recurring [Member] | Mortgage loans held for sale [Member]	'	'
Financial assets:	'	'
Derivative instruments	28,466	34,845
Recurring [Member] | Trust preferred securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	16,753	15,068
Recurring [Member] | Other debt securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	20,241	22,930
Recurring [Member] | Equity Securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	3,877	3,068
Recurring [Member] | Obligations of other U.S. Government agencies and corporations [Member]	'	'
Financial assets:	'	'
Securities available for sale	6,086	2,442
Recurring [Member] | Government agency mortgage backed securities [Member] | Residential mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	220,930	144,817
Recurring [Member] | Government agency mortgage backed securities [Member] | Commercial mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	42,379	45,058
Recurring [Member] | Government agency collateralized mortgage obligations [Member] | Residential mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	149,356	117,521
Recurring [Member] | Government agency collateralized mortgage obligations [Member] | Commercial mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	5,111	5,407
Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Derivative instruments	0	0
Total financial assets	0	0
Financial liabilities:	'	'
Derivative instruments	0	0
Total financial liabilities	0	0
Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Interest rate contracts [Member]	'	'
Financial assets:	'	'
Derivative instruments	0	0
Financial liabilities:	'	'
Derivative instruments	0	0
Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Interest rate lock commitments [Member]	'	'
Financial assets:	'	'
Derivative instruments	0	0
Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Interest rate swaps [Member]	'	'
Financial liabilities:	'	'
Derivative instruments	0	0
Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Forward commitments [Member]	'	'
Financial liabilities:	'	'
Derivative instruments	0	0
Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Mortgage loans held for sale [Member]	'	'
Financial assets:	'	'
Derivative instruments	0	0
Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Trust preferred securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Other debt securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Obligations of other U.S. Government agencies and corporations [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Government agency mortgage backed securities [Member] | Residential mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Government agency mortgage backed securities [Member] | Commercial mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Government agency collateralized mortgage obligations [Member] | Residential mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Recurring [Member] | Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Government agency collateralized mortgage obligations [Member] | Commercial mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]	'	'
Financial assets:	'	'
Securities available for sale	447,980	341,243
Derivative instruments	3,864	4,654
Total financial assets	480,310	380,742
Financial liabilities:	'	'
Derivative instruments	4,784	5,514
Total financial liabilities	4,784	5,514
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Interest rate contracts [Member]	'	'
Financial assets:	'	'
Derivative instruments	1,488	3,083
Financial liabilities:	'	'
Derivative instruments	1,488	3,152
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Interest rate lock commitments [Member]	'	'
Financial assets:	'	'
Derivative instruments	2,376	1,571
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Interest rate swaps [Member]	'	'
Financial liabilities:	'	'
Derivative instruments	1,904	2,164
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Forward commitments [Member]	'	'
Financial liabilities:	'	'
Derivative instruments	1,392	198
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Mortgage loans held for sale [Member]	'	'
Financial assets:	'	'
Derivative instruments	28,466	34,845
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Trust preferred securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Other debt securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	20,241	22,930
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Equity Securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	3,877	3,068
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Obligations of other U.S. Government agencies and corporations [Member]	'	'
Financial assets:	'	'
Securities available for sale	6,086	2,442
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Government agency mortgage backed securities [Member] | Residential mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	220,930	144,817
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Government agency mortgage backed securities [Member] | Commercial mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	42,379	45,058
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Government agency collateralized mortgage obligations [Member] | Residential mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	149,356	117,521
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Government agency collateralized mortgage obligations [Member] | Commercial mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	5,111	5,407
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]	'	'
Financial assets:	'	'
Securities available for sale	16,753	15,068
Derivative instruments	0	0
Total financial assets	16,753	15,068
Financial liabilities:	'	'
Derivative instruments	0	0
Total financial liabilities	0	0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Interest rate contracts [Member]	'	'
Financial assets:	'	'
Derivative instruments	0	0
Financial liabilities:	'	'
Derivative instruments	0	0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Interest rate lock commitments [Member]	'	'
Financial assets:	'	'
Derivative instruments	0	0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Interest rate swaps [Member]	'	'
Financial liabilities:	'	'
Derivative instruments	0	0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Forward commitments [Member]	'	'
Financial liabilities:	'	'
Derivative instruments	0	0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Mortgage loans held for sale [Member]	'	'
Financial assets:	'	'
Derivative instruments	0	0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Trust preferred securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	16,753	15,068
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Other debt securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Equity Securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Obligations of other U.S. Government agencies and corporations [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Government agency mortgage backed securities [Member] | Residential mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Government agency mortgage backed securities [Member] | Commercial mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Government agency collateralized mortgage obligations [Member] | Residential mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	0	0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Government agency collateralized mortgage obligations [Member] | Commercial mortgage backed securities [Member]	'	'
Financial assets:	'	'
Securities available for sale	$0	$0

Fair_Value_Measurements_Detail1

Fair Value Measurements (Details 1) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Reconciliation for assets and liabilities measured at fair value on a recurring basis	'	'	'	'
Beginning Balance	$15,960	$15,462	$15,068	$15,022
Realized gains (losses) included in net income	0	0	0	14
Unrealized gains (losses) included in other comprehensive income	-875	2,913	2,669	4,291
Reclassification adjustment	'	0	'	-952
Purchases	0	0	0	0
Sales	0	0	0	0
Issues	0	0	0	0
Settlements	-82	0	0	0
Transfers into Level 3	0	0	984	0
Transfers out of Level 3	0	-3,033	0	-3,033
Ending Balance	16,753	15,342	16,753	15,342
Trust preferred securities [Member]	'	'	'	'
Reconciliation for assets and liabilities measured at fair value on a recurring basis	'	'	'	'
Beginning Balance	15,960	12,672	15,068	12,785
Realized gains (losses) included in net income	0	0	0	0
Unrealized gains (losses) included in other comprehensive income	-875	2,670	2,669	3,509
Reclassification adjustment	'	0	'	-952
Purchases	0	0	0	0
Sales	0	0	0	0
Issues	0	0	0	0
Settlements	-82	0	0	0
Transfers into Level 3	0	0	984	0
Transfers out of Level 3	0	0	0	0
Ending Balance	16,753	15,342	16,753	15,342
Equity Securities [Member]	'	'	'	'
Reconciliation for assets and liabilities measured at fair value on a recurring basis	'	'	'	'
Beginning Balance	0	2,790	0	2,237
Realized gains (losses) included in net income	0	0	0	14
Unrealized gains (losses) included in other comprehensive income	0	243	0	782
Reclassification adjustment	'	0	'	0
Purchases	0	0	0	0
Sales	0	0	0	0
Issues	0	0	0	0
Settlements	0	0	0	0
Transfers into Level 3	0	0	0	0
Transfers out of Level 3	0	-3,033	0	-3,033
Ending Balance	$0	$0	$0	$0

Fair_Value_Measurements_Detail2

Fair Value Measurements (Details 2) (Trust preferred securities [Member], USD $)	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013
Significant unobservable inputs (Level 3) used in the valuation of assets and liabilities measured at fair value on a recurring basis	'
Fair Value	$16,753
Valuation Technique	'Discounted cash flows
Significant Unobservable Inputs (Level3)	'Default rate
Maximum [Member]	'
Significant unobservable inputs (Level 3) used in the valuation of assets and liabilities measured at fair value on a recurring basis	'
Range of Inputs (percent)	100.00%
Minimum [Member]	'
Significant unobservable inputs (Level 3) used in the valuation of assets and liabilities measured at fair value on a recurring basis	'
Range of Inputs (percent)	0.00%

Fair_Value_Measurements_Detail3

Fair Value Measurements (Details 3) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Impaired loans measured at fair value on a nonrecurring basis	'	'
Impaired loans	$8,574	$20,178
OREO	16,650	33,761
Total	25,224	53,939
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member]	'	'
Impaired loans measured at fair value on a nonrecurring basis	'	'
Impaired loans	0	0
OREO	0	0
Total	0	0
Significant Other Observable Inputs (Level 2) [Member]	'	'
Impaired loans measured at fair value on a nonrecurring basis	'	'
Impaired loans	0	0
OREO	0	0
Total	0	0
Significant Unobservable Inputs (Level 3) [Member]	'	'
Impaired loans measured at fair value on a nonrecurring basis	'	'
Impaired loans	'	20,178
OREO	'	33,761
Total	$25,224	$53,939

Fair_Value_Measurements_Detail4

Fair Value Measurements (Details 4) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
OREO covered under loss-share agreements:	'	'
OREO covered under loss-share agreements, Fair value	$11,445	$14,710
OREO not covered under loss-share agreements:	'	'
OREO not covered under loss-share agreements, Fair value	5,205	19,051
Carrying amount prior to remeasurement [Member]	'	'
OREO covered under loss-share agreements:	'	'
OREO covered under loss-share agreements, Fair value	13,946	19,254
OREO not covered under loss-share agreements:	'	'
OREO not covered under loss-share agreements, Fair value	6,401	22,277
Impairment recognized in results of operations [Member]	'	'
OREO covered under loss-share agreements:	'	'
OREO covered under loss-share agreements, Fair value	-500	-901
OREO not covered under loss-share agreements:	'	'
OREO not covered under loss-share agreements, Fair value	-1,196	-3,226
Increase in FDIC loss-share indemnification asset [Member]	'	'
OREO covered under loss-share agreements:	'	'
OREO covered under loss-share agreements, Fair value	-2,001	-3,602
Receivable from other guarantor [Member]	'	'
OREO covered under loss-share agreements:	'	'
OREO covered under loss-share agreements, Fair value	$0	($41)

Fair_Value_Measurements_Detail5

Fair Value Measurements (Details 5) (USD $)	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013	Sep. 30, 2013
In Thousands, unless otherwise specified			Impaired loans [Member]	OREO [Member]	Maximum [Member]	Maximum [Member]	Minimum [Member]	Minimum [Member]	Fair Value, Inputs, Level 3 [Member]	Fair Value, Inputs, Level 3 [Member]	Fair Value, Inputs, Level 3 [Member]
					Impaired loans [Member]	OREO [Member]	Impaired loans [Member]	OREO [Member]		Impaired loans [Member]	OREO [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Impaired Loans Measured at Fair Value on Nonrecurring Basis	$8,574	$20,178	'	'	'	'	'	'	$20,178	$8,574	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]	'	'	'	'	'	'	'	'	'	'	'
Fair Value	'	'	'	'	'	'	'	'	'	'	$16,650
Valuation Technique	'	'	'Appraised value of collateral less estimated costs to sell	'Appraised value of property less estimated costs to sell	'	'	'	'	'	'	'
Significant Unobservable Inputs	'	'	'Estimated costs to sell	'Estimated costs to sell	'	'	'	'	'	'	'
Range of Inputs (percent)	'	'	'	'	10.00%	10.00%	4.00%	4.00%	'	'	'

Fair_Value_Measurements_Detail6

Fair Value Measurements (Details 6) (USD $)	Sep. 30, 2013
In Thousands, unless otherwise specified
Aggregate Fair Value [Member]	'
Summarizes differences between fair value and principal balance for mortgage loans held for sale measure at fair value	'
Mortgage loans held for sale measured at fair value	$28,466
Past due loans of 90 days or more	0
Nonaccrual loans	0
Aggregate Unpaid Principal Balance [Member]	'
Summarizes differences between fair value and principal balance for mortgage loans held for sale measure at fair value	'
Mortgage loans held for sale measured at fair value	28,096
Past due loans of 90 days or more	0
Nonaccrual loans	0
Difference [Member]	'
Summarizes differences between fair value and principal balance for mortgage loans held for sale measure at fair value	'
Mortgage loans held for sale measured at fair value	370
Past due loans of 90 days or more	0
Nonaccrual loans	$0

Fair_Value_Measurements_Detail7

Fair Value Measurements (Details 7) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Fair values of defined benefit pension plan assets by category of the firm	'	'
Securities held to maturity	$440,055	$317,766
Securities available for sale	464,733	356,311
Mortgage loans held for sale	28,466	34,845
Loans covered under loss-share agreements	195,997	237,088
FDIC loss-share indemnification asset	27,825	44,153
Mortgage servicing rights	8,336	4,233
Carrying Value [Member]	'	'
Fair values of defined benefit pension plan assets by category of the firm	'	'
Cash and cash equivalents	233,149	132,420
Securities held to maturity	440,055	317,766
Securities available for sale	464,733	356,311
Mortgage loans held for sale	28,466	34,845
Loans covered under loss-share agreements	195,997	237,088
Loans not covered under loss-share agreements, net	3,685,535	2,528,818
FDIC loss-share indemnification asset	27,825	44,153
Mortgage servicing rights	8,336	4,233
Derivative instruments	3,869	4,654
Financial liabilities	'	'
Deposits	4,834,756	3,461,221
Short-term borrowings	6,649	5,254
Federal Home Loan Bank advances	76,429	83,843
Junior subordinated debentures	94,089	75,609
Derivative instruments	4,899	5,514
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member]	'	'
Fair values of defined benefit pension plan assets by category of the firm	'	'
Cash and cash equivalents	233,149	132,420
Securities held to maturity	0	0
Securities available for sale	0	0
Mortgage loans held for sale	0	0
Loans covered under loss-share agreements	0	0
Loans not covered under loss-share agreements, net	0	0
FDIC loss-share indemnification asset	0	0
Mortgage servicing rights	0	0
Derivative instruments	0	0
Financial liabilities	'	'
Deposits	3,284,858	2,268,568
Short-term borrowings	6,649	5,254
Federal Home Loan Bank advances	0	0
Junior subordinated debentures	0	0
Derivative instruments	0	0
Significant Other Observable Inputs (Level 2) [Member]	'	'
Fair values of defined benefit pension plan assets by category of the firm	'	'
Cash and cash equivalents	0	0
Securities held to maturity	438,014	334,475
Securities available for sale	447,980	341,243
Mortgage loans held for sale	28,466	34,845
Loans covered under loss-share agreements	0	0
Loans not covered under loss-share agreements, net	0	0
FDIC loss-share indemnification asset	0	0
Mortgage servicing rights	0	0
Derivative instruments	3,869	4,654
Financial liabilities	'	'
Deposits	1,558,356	1,200,785
Short-term borrowings	0	0
Federal Home Loan Bank advances	82,356	99,870
Junior subordinated debentures	71,723	27,985
Derivative instruments	4,899	5,514
Significant Unobservable Inputs (Level 3) [Member]	'	'
Fair values of defined benefit pension plan assets by category of the firm	'	'
Cash and cash equivalents	0	0
Securities held to maturity	0	0
Securities available for sale	16,753	15,068
Mortgage loans held for sale	0	0
Loans covered under loss-share agreements	195,458	235,890
Loans not covered under loss-share agreements, net	3,644,023	2,452,937
FDIC loss-share indemnification asset	27,825	44,153
Mortgage servicing rights	8,974	4,259
Derivative instruments	0	0
Financial liabilities	'	'
Deposits	0	0
Short-term borrowings	0	0
Federal Home Loan Bank advances	0	0
Junior subordinated debentures	0	0
Derivative instruments	0	0
Fair Value [Member]	'	'
Fair values of defined benefit pension plan assets by category of the firm	'	'
Cash and cash equivalents	233,149	132,420
Securities held to maturity	438,014	334,475
Securities available for sale	464,733	356,311
Mortgage loans held for sale	28,466	34,845
Loans covered under loss-share agreements	195,458	235,890
Loans not covered under loss-share agreements, net	3,644,023	2,452,937
FDIC loss-share indemnification asset	27,825	44,153
Mortgage servicing rights	8,974	4,259
Derivative instruments	3,869	4,654
Financial liabilities	'	'
Deposits	4,843,214	3,469,353
Short-term borrowings	6,649	5,254
Federal Home Loan Bank advances	82,356	99,870
Junior subordinated debentures	71,723	27,985
Derivative instruments	$4,899	$5,514

Fair_Value_Measurements_Detail8

Fair Value Measurements (Details Textual) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Fair Value Disclosures [Abstract]	'	'	'	'	'
Fair Value, Option, Changes in Fair Value, Gain (Loss)	$1,315	'	$472	'	'
Fair Value Measurements (Textual) [Abstract]	'	'	'	'	'
Impaired loans not covered under loss-share agreements	10,782	'	10,782	'	27,149
Specific reserve included in allowance for loan losses	2,208	'	2,208	'	6,971
Impairment losses on mortgage servicing rights	$0	$0	$0	$0	'

Derivative_Instruments_Details

Derivative Instruments (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Designated as hedging instruments [Member]	'	'
Derivative financial instruments	'	'
Derivative instruments	$1,904	$2,164
Not designated as hedging instruments [Member]	'	'
Derivative financial instruments	'	'
Derivative assets	3,864	4,654
Derivative instruments	2,880	3,350
Other Assets [Member] | Not designated as hedging instruments [Member] | Interest rate contracts [Member]	'	'
Derivative financial instruments	'	'
Derivative assets	1,488	3,083
Other Assets [Member] | Not designated as hedging instruments [Member] | Interest rate lock commitments [Member]	'	'
Derivative financial instruments	'	'
Derivative assets	2,376	1,571
Other Liabilities [Member] | Designated as hedging instruments [Member] | Interest rate swaps [Member]	'	'
Derivative financial instruments	'	'
Derivative instruments	1,904	2,164
Other Liabilities [Member] | Not designated as hedging instruments [Member] | Interest rate contracts [Member]	'	'
Derivative financial instruments	'	'
Derivative instruments	1,488	3,152
Other Liabilities [Member] | Not designated as hedging instruments [Member] | Forward commitments [Member]	'	'
Derivative financial instruments	'	'
Derivative instruments	$1,392	$198

Derivative_Instruments_Details1

Derivative Instruments (Details 1) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Derivatives designated as hedging instruments [Member]	'	'	'	'
Derivatives, Fair Value [Line Items]	'	'	'	'
Deferred Gains Amortized Into Net Interest Income	$37	$115	$203	$419
Derivatives not designated as hedging instruments [Member]	'	'	'	'
Derivatives, Fair Value [Line Items]	'	'	'	'
Gains (losses) on derivative financial instruments	106	-970	4,547	-473
Included in interest income on loans [Member] | Derivatives designated as hedging instruments [Member] | Interest rate swaps [Member]	'	'	'	'
Derivatives, Fair Value [Line Items]	'	'	'	'
Gains (losses) on derivative financial instruments	37	115	203	419
Included in interest income on loans [Member] | Derivatives not designated as hedging instruments [Member] | Interest rate contracts [Member]	'	'	'	'
Derivatives, Fair Value [Line Items]	'	'	'	'
Gains (losses) on derivative financial instruments	798	583	2,398	1,466
Included in other noninterest expense | Derivatives not designated as hedging instruments [Member] | Interest rate contracts [Member]	'	'	'	'
Derivatives, Fair Value [Line Items]	'	'	'	'
Gains (losses) on derivative financial instruments	2	-14	69	20
Included in gains on sales of mortgage loans held for sale [Member] | Derivatives not designated as hedging instruments [Member] | Interest rate lock commitments [Member]	'	'	'	'
Derivatives, Fair Value [Line Items]	'	'	'	'
Gains (losses) on derivative financial instruments	2,905	1,145	804	1,667
Included in gains on sales of mortgage loans held for sale [Member] | Derivatives not designated as hedging instruments [Member] | Forward commitments [Member]	'	'	'	'
Derivatives, Fair Value [Line Items]	'	'	'	'
Gains (losses) on derivative financial instruments	($3,599)	($2,684)	$1,276	($3,626)

Derivative_Instruments_Details2

Derivative Instruments (Details Textual) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Derivative Instruments (Textual) [Abstract]	'	'	'	'	'
Junior subordinated debentures	$75,000	'	$75,000	'	'
Variable interest rate of derivatives, description	'	'	'the three-month LIBOR plus a pre-determined spread	'	'
August 2012 [Member]	'	'	'	'	'
Derivative Instruments (Textual) [Abstract]	'	'	'	'	'
Number of derivative instruments terminated (derivative instruments)	'	'	2	'	'
Derivative instruments deferred gain	'	'	1,679	'	'
Designated as hedging instruments [Member]	'	'	'	'	'
Derivative Instruments (Textual) [Abstract]	'	'	'	'	'
Derivative Liabilities	1,904	'	1,904	'	2,164
Deferred gains amortized into net interest income	37	115	203	419	'
August Two Thousand and Twelve [Member]	'	'	'	'	'
Derivative Instruments (Textual) [Abstract]	'	'	'	'	'
Number of derivative instruments terminated (derivative instruments)	'	'	2	'	'
Derivative instruments deferred gain	'	'	1,679	'	'
Interest rate contracts with corporate customers [Member]	'	'	'	'	'
Derivative Instruments (Textual) [Abstract]	'	'	'	'	'
Junior subordinated debentures	76,484	'	76,484	'	'
Offsetting interest rate contracts with other financial institutions [Member]	'	'	'	'	'
Derivative Instruments (Textual) [Abstract]	'	'	'	'	'
Junior subordinated debentures	76,484	'	76,484	'	'
Interest rate swaps [Member]	'	'	'	'	'
Derivative Instruments (Textual) [Abstract]	'	'	'	'	'
Junior subordinated debentures	32,000	'	32,000	'	'
Commitments to fund fixed-rate residential mortgage loans [Member]	'	'	'	'	'
Derivative Instruments (Textual) [Abstract]	'	'	'	'	'
Junior subordinated debentures	80,076	'	80,076	'	72,757
Commitments to sell residential mortgage loans [Member]	'	'	'	'	'
Derivative Instruments (Textual) [Abstract]	'	'	'	'	'
Junior subordinated debentures	$74,542	'	$74,542	'	$100,000

Derivative_InstrumentsBalance_

Derivative Instruments-Balance Sheet Location (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Offsetting Derivative Assets	'	'
Gross amounts recognized	$3,864	$4,654
Gross amounts offset in the consolidated balance sheets	0	0
Net amounts presented in the consolidated balance sheets	3,864	4,654
Derivative, FairValue, Liabilities, Not Offset	584	0
Financial collateral pledged	0	0
Net amounts	3,280	4,654
Offsetting Derivative Liabilities	'	'
Gross amounts recognized	4,784	5,514
Gross amounts offset in the consolidated balance sheets	0	0
Net amounts presented in the consolidated balance sheets	4,784	5,514
Derivative, Fair Value, Assets, Not Offset	584	0
Financial collateral pledged	2,183	4,950
Net amounts	$2,017	$564

Other_Comprehensive_Income_Det

Other Comprehensive Income (Details) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Securities:	'	'	'	'
Unrealized holding gains on securities, Pre-Tax	$1,269	$4,025	($9,864)	$7,439
Non-credit related portion of other-than-temporary impairment on securities, Pre-Tax	0	0	0	0
Reclassification adjustment for losses realized in net income, Pre-Tax	0	0	-115	1,773
Amortization of unrealized holding gains on securities transferred to the held to maturity category, Pre-Tax	-80	-134	-274	-447
Total securities available for sale, Pre-Tax	1,189	3,891	-10,023	5,219
Unrealized holding gains on securities, Tax Expense (Benefit)	487	1,539	-3,773	2,845
Non-credit related portion of other-than-temporary impairment on securities, Tax Expense (Benefit)	0	0	0	0
Reclassification adjustment for gains realized in net income, Tax Expense (Benefit)	0	0	-44	678
Amortization of unrealized holding gains on securities transferred to the held to maturity category, Tax Expense (Benefit)	-31	-51	-105	-171
Total securities available for sale, Tax Expense (Benefit)	456	1,488	-3,834	1,996
Unrealized holding gains on securities	782	2,486	-6,091	4,594
Non-credit related portion of other-than-temporary impairment on securities	0	0	0	0
Reclassification adjustment for losses (gains) realized in net income	0	0	-71	1,095
Amortization of unrealized holding gains on securities transferred to the held to maturity category	-49	-83	-169	-276
Total securities	733	2,403	-6,189	3,223
Derivative instruments:	'	'	'	'
Unrealized holding losses on derivative instruments, Pre-Tax	-481	-391	1,461	-2,234
Reclassification adjustment for gains realized in net income, Pre-Tax	-35	-115	-203	-419
Total derivative instruments, Pre-Tax	-516	-506	1,258	-2,653
Unrealized holding gains on derivative instruments, Tax Expense (Benefit)	-184	-150	559	-855
Reclassification adjustment for gains realized in net income, Tax Expense (Benefit)	-13	-44	-77	-160
Total derivative instruments, Tax Expense (Benefit)	-197	-194	482	-1,015
Unrealized holding gains (losses) on derivative instruments	-297	-241	902	-1,379
Reclassification adjustment for gains realized in net income	-22	-71	-126	-259
Totals derivative instruments	-319	-312	776	-1,638
Defined benefit pension and post-retirement benefit plans:	'	'	'	'
Net gain (loss) arising during the period, Pre-Tax	0	0	0	0
Amortization of net actuarial loss recognized in net periodic pension cost, Pre-Tax	-183	-107	-437	-321
Total defined benefit pension and post-retirement benefit plans, Pre-Tax	183	107	437	321
Net gain (loss) arising during the period, Tax Expense (Benefit)	0	0	0	0
Amortization of net actuarial loss recognized in net periodic pension cost, Tax Expense (Benefit)	-70	-41	-167	-123
Total defined benefit pension and post-retirement benefit plans, Tax Expense (Benefit)	70	41	167	123
Net (loss) gain arising during the period	0	0	0	0
Less amortization of net actuarial loss recognized in net periodic pension cost	113	66	270	198
Total defined benefit pension and post-retirement benefit plans	-113	-66	-270	-198
Total other comprehensive income, Pre-Tax	856	3,492	-8,328	2,887
Total other comprehensive income, Tax Expense (Benefit)	329	1,335	-3,185	1,104
Other comprehensive loss, net of tax	$527	$2,157	($5,143)	$1,783

Other_Comprehensive_Income_Det1

Other Comprehensive Income (Details 1) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Accumulated balances for component of other comprehensive income, net of tax	'	'
Unrealized gains on securities	$11,239	$17,428
Non-credit related portion of other-than-temporary impairment on securities	-17,474	-17,474
Unrealized (losses) gains on derivative instruments	-435	-1,211
Unrecognized defined benefit pension and post-retirement benefit plans obligations	-6,974	-7,244
Total accumulated other comprehensive loss	($13,644)	($8,501)

Net_Income_Per_Common_Share_De

Net Income Per Common Share (Details) (USD $)	3 Months Ended		9 Months Ended
In Thousands, except Share data, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Basic	'	'	'	'
Net income applicable to common stock	$6,637	$7,037	$22,227	$19,356
Average common shares outstanding (shares)	27,234,927	25,114,672	25,889,139	25,101,507
Net income per common share - basic (usd per share)	$0.24	$0.28	$0.86	$0.77
Diluted	'	'	'	'
Net income applicable to common stock	$6,637	$7,037	$22,227	$19,356
Average common shares outstanding (shares)	27,234,927	25,114,672	25,889,139	25,101,507
Effect of dilutive stock-based compensation (shares)	212,455	106,215	164,034	60,404
Average common shares outstanding - diluted	27,447,382	25,220,887	26,053,173	25,161,911
Net income per common share - diluted (usd per share)	$0.24	$0.28	$0.85	$0.77

Net_Income_Per_Common_Share_De1

Net Income Per Common Share (Details 1) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Schedule of antidilutive securities excluded from computation of earnings per share	'	'	'	'
Range of exercise prices, Maximum (usd per share)	$30.63	$30.63	$30.63	$30.63
Range of exercise prices, Minimum (usd per share)	$29.57	$16.91	$19.14	$14.96
Stock Options [Member]	'	'	'	'
Schedule of antidilutive securities excluded from computation of earnings per share	'	'	'	'
Number of shares (shares)	109,068	740,199	169,638	1,186,644

Mergers_and_Acquisition_Detail

Mergers and Acquisition (Details) (USD $)	9 Months Ended			0 Months Ended		0 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Sep. 01, 2013	Sep. 01, 2013	Sep. 01, 2013	Sep. 01, 2013	Sep. 01, 2013	Sep. 01, 2013
				First M&F Merger [Member]	First M&F Merger [Member]	First M&F Merger [Member]	Core Deposits [Member]	Junior Subordinated Debt [Member]	London Interbank Offered Rate (LIBOR) [Member]
					First M&F [Member]	Common Stock [Member]	First M&F Merger [Member]	First M&F Merger [Member]	Junior Subordinated Debt [Member]
					Branches				First M&F Merger [Member]
Business Acquisition [Line Items]	'	'	'	'	'	'	'	'	'
Number of Banking and Insurance Locations the Entity Operates	'	'	'	'	43	'	'	'	'
Shares issued to common shareholders (shares)	'	'	'	6,175,586	'	6,175,586	'	'	'
Voting interest acquired (percent)	'	'	'	'	100.00%	'	'	'	'
Total Purchase Price	'	'	'	$156,779,000	'	'	'	'	'
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Including Goodwill	'	'	'	115,600,000	'	'	'	'	'
Goodwill resulting from merger	275,328,000	184,859,000	184,859,000	90,548,000	'	'	'	'	'
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	'	'	'	'	'	'	25,033,000	'	'
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	'	'	'	'	'	'	'10 years	'	'
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt	'	'	'	25,346,000	'	'	'	30,900,000	'
Debt Instrument, Description of Variable Rate Basis	'the three-month LIBOR plus a pre-determined spread	'	'	'	'	'	'	'90-day LIBOR	'
Debt Instrument, Basis Spread on Variable Rate	'	'	'	'	'	'	'	'	1.33%
Liabilities, Fair Value Adjustment	'	'	'	'	'	'	'	$12,371,000	'

Mergers_and_Acquisition_Merger1

Mergers and Acquisition Mergers and Acquisition-Purchase Price Adjustment (Details) (USD $)

3 Months Ended

9 Months Ended

0 Months Ended

In Thousands, except Share data, unless otherwise specified

Sep. 30, 2013

Sep. 30, 2012

Sep. 30, 2013

Sep. 30, 2012

Dec. 31, 2012

Sep. 01, 2013

Sep. 01, 2013

Sep. 01, 2013

Sep. 01, 2013

Sep. 01, 2013

Sep. 01, 2013

Sep. 01, 2013

Sep. 01, 2013

Sep. 01, 2013

Sep. 01, 2013

First M&F Merger [Member]

Securities [Member]

Loans, net of First M&F's allowance for loan losses [Member]

Fixed Assets [Member]

Core Deposits intangible, net of F&M's existing core deposit intangible [Member]

Other real estate owned [Member]

Deposits [Member]

Junior Subordinated Debt [Member]

Other Liabilities [Member]

Deferred Income Taxes [Member]

First M&F Merger [Member]

First M&F Merger [Member]

First M&F Merger [Member]

First M&F Merger [Member]

First M&F Merger [Member]

First M&F Merger [Member]

First M&F Merger [Member]

First M&F Merger [Member]

First M&F Merger [Member]

Business Acquisition [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Shares issued to common shareholders (shares)

'

'

'

'

'

6,175,586

'

'

'

'

'

'

'

'

'

Purchase price per share (usd per share)

'

'

'

'

'

$25.17

'

'

'

'

'

'

'

'

'

Value of stock paid

'

'

'

'

'

$155,439

'

'

'

'

'

'

'

'

'

Cash paid for fractional shares

'

'

'

'

'

17

'

'

'

'

'

'

'

'

'

Fair value of stock based compensation assumed

'

'

'

'

'

68

'

'

'

'

'

'

'

'

'

Deal charges

-3,763

0

-4,148

0

'

1,255

'

'

'

'

'

'

'

'

'

Total Purchase Price

'

'

'

'

'

156,779

'

'

'

'

'

'

'

'

'

Stockholders’ equity at 9/1/13

'

'

'

'

'

79,440

'

'

'

'

'

'

'

'

'

Assets, Fair Value Adjustment

'

'

'

'

'

'

253

-45,751

-2,314

21,158

-5,797

'

'

'

'

Liabilities, Fair Value Adjustment

'

'

'

'

'

'

'

'

'

'

'

-3,207

12,371

1,804

8,274

Total Net Assets Acquired

'

'

'

'

'

66,231

'

'

'

'

'

'

'

'

'

Goodwill resulting from merger

$275,328

$184,859

$275,328

$184,859

$184,859

$90,548

'

'

'

'

'

'

'

'

'

Mergers_and_Acquisition_Merger2

Mergers and Acquisition Mergers and Acquisitions-Assets Acquired and Liabilities Assumed (Details) (First M&F Merger [Member], USD $)	Sep. 01, 2013
In Thousands, unless otherwise specified
Business Acquisition [Line Items]	'
Cash and cash equivalents	$170,061
Securities	227,693
Mortgage loans held for sale	1,659
Premises and equipment	33,014
Other real estate owned	13,527
Intangible assets	115,581
Other assets	55,767
Total assets	1,516,548
Financial liabilities	1,325,872
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt	25,346
Other liabilities	9,806
Loans [Member]	'
Business Acquisition [Line Items]	'
Loans, net of unearned income	$899,246

Mergers_and_Acquisition_Merger3

Mergers and Acquisition Mergers and Acquisitions-Pro Forma (Details) (First M&F Merger [Member], USD $)	9 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
First M&F Merger [Member]	'	'
Business Acquisition [Line Items]	'	'
Interest income	$165,592	$171,897
Interest expense	21,845	28,421
Net interest income	143,747	143,476
Provision for loan losses	11,030	20,665
Noninterest income	62,833	67,702
Noninterest expense	163,993	157,927
Income before income taxes	31,557	32,586
Income taxes	6,576	5,666
Net income	$24,981	$26,920
Pro Forma Earnings Per Share, Basic (usd per share)	$0.80	$0.82
Pro Forma Earnings Per Share, Diluted (usd per share)	$0.79	$0.81