FAIR VALUE DISCLOSURES (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

Items Measured on a Recurring Basis. Assets and liabilities measured at fair value on a recurring basis as of June 30, 2012 and December 31, 2011 are reflected in the following table:

	Fair Value Measurements
	Level 1		Level 2		Level 3	Fair Value
	(dollars expressed in thousands)
June 30, 2012:
Assets:
Available-for-sale investment securities:
U.S. Government sponsored agencies	$	—	395,669		—	395,669
Residential mortgage-backed		—	1,512,958		—	1,512,958
Commercial mortgage-backed		—	920		—	920
State and political subdivisions		—	4,973		—	4,973
Corporate notes		—	184,348		—	184,348
Equity investments		1,029	—		—	1,029
Mortgage loans held for sale		—	46,289		—	46,289
Derivative instruments:
Customer interest rate swap agreements		—	142		—	142
Interest rate lock commitments		—	3,090		—	3,090
Forward commitments to sell mortgage-backed securities		—	(1,157	)	—	(1,157	)
Servicing rights		—	—		15,182	15,182
Total	$	1,029	2,147,232		15,182	2,163,443
Liabilities:
Derivative instruments:
Interest rate swap agreements	$	—	337		—	337
Customer interest rate swap agreements		—	142		—	142
Nonqualified deferred compensation plan		6,024	—		—	6,024
Total	$	6,024	479		—	6,503
December 31, 2011:
Assets:
Available-for-sale investment securities:
U.S. Government sponsored agencies	$	—	341,817		—	341,817
Residential mortgage-backed		—	1,924,920		—	1,924,920
Commercial mortgage-backed		—	910		—	910
State and political subdivisions		—	5,410		—	5,410
Corporate notes		—	183,813		—	183,813
Equity investments		1,017	—		—	1,017
Mortgage loans held for sale		—	31,111		—	31,111
Derivative instruments:
Customer interest rate swap agreements		—	370		—	370
Interest rate lock commitments		—	1,381		—	1,381
Forward commitments to sell mortgage-backed securities		—	(729	)	—	(729	)
Servicing rights		—	—		15,380	15,380
Total	$	1,017	2,489,003		15,380	2,505,400
Liabilities:
Derivative instruments:
Interest rate swap agreements	$	—	807		—	807
Customer interest rate swap agreements		—	307		—	307
Nonqualified deferred compensation plan		6,531	—		—	6,531
Total	$	6,531	1,114		—	7,645

Schedule Of Servicing Assets At Fair Value Measured At Level 3 On Recurring Basis [Table Text Block]

The following table presents the changes in Level 3 assets measured on a recurring basis for the three and six months ended June 30, 2012 and 2011:

	Servicing Rights
	Three Months Ended					Six Months Ended
	June 30,					June 30,
	2012			2011		2012		2011
	(dollars expressed in thousands)
Balance, beginning of period	$	15,969		20,211		15,380		19,582
Total gains or losses (realized/unrealized):
Included in earnings (1)		(1,981	)	(1,880	)	(2,191	)	(2,369	)
Included in other comprehensive income		—		—		—		—
Issuances		1,194		495		1,993		1,613
Transfers in and/or out of level 3		—		—		—		—
Balance, end of period	$	15,182		18,826		15,182		18,826

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(1) Gains or losses (realized/unrealized) are included in noninterest income in the consolidated statements of operations.

Fair Value Measurements, Nonrecurring [Table Text Block]

Assets measured at fair value on a nonrecurring basis as of June 30, 2012 and December 31, 2011 are reflected in the following table:

	Fair Value Measurements
	Level 1		Level 2	Level 3	Fair Value
	(dollars expressed in thousands)
June 30, 2012:
Assets:
Impaired loans:
Commercial, financial and agricultural	$	—	—	31,127	31,127
Real estate construction and development		—	—	56,966	56,966
Real estate mortgage:
Bank portfolio		—	—	11,323	11,323
Mortgage Division portfolio		—	—	87,942	87,942
Home equity portfolio		—	—	5,534	5,534
Multi-family residential		—	—	7,907	7,907
Commercial real estate		—	—	41,487	41,487
Consumer and installment		—	—	18	18
Other real estate and repossessed assets		—	—	109,026	109,026
Total	$	—	—	351,330	351,330
December 31, 2011:
Assets:
Impaired loans:
Commercial, financial and agricultural	$	—	—	54,129	54,129
Real estate construction and development		—	—	79,826	79,826
Real estate mortgage:
Bank portfolio		—	—	13,894	13,894
Mortgage Division portfolio		—	—	84,083	84,083
Home equity portfolio		—	—	5,552	5,552
Multi-family residential		—	—	10,806	10,806
Commercial real estate		—	—	67,756	67,756
Consumer and installment		—	—	18	18
Other real estate and repossessed assets		—	—	129,896	129,896
Total	$	—	—	445,960	445,960

Fair Value, by Balance Sheet Grouping [Table Text Block]

The estimated fair value of the Company’s financial instruments at June 30, 2012 and December 31, 2011 were as follows:

	June 30, 2012									December 31, 2011
				Estimated Fair Value
	Carrying									Carrying		Estimated
	Value			Level 1	Level 2	Level 3		Total		Value		Fair Value
	(dollars expressed in thousands)
Financial Assets:
Cash and cash equivalents	$	321,707		321,707	—	—		321,707		472,011		472,011
Investment securities:
Available for sale		2,099,897		1,029	2,098,868	—		2,099,897		2,457,887		2,457,887
Held to maturity		741,727		—	741,973	—		741,973		12,817		13,424
Loans held for portfolio		2,864,929		—	—	2,564,786		2,564,786		3,115,130		2,811,538
Loans held for sale		46,289		—	46,289	—		46,289		31,111		31,111
FRB and FHLB stock		26,115		26,115	—	—		26,115		27,078		27,078
Derivative instruments		2,075		—	2,075	—		2,075		1,022		1,022
Accrued interest receivable		19,512		19,512	—	—		19,512		21,050		21,050
Assets of discontinued operations		20,501		—	20,501	—		20,501		21,009		21,009
Financial Liabilities:
Deposits:
Noninterest-bearing demand	$	1,287,222		1,287,222	—	—		1,287,222		1,209,759		1,209,759
Interest-bearing demand		907,381		907,381	—	—		907,381		884,168		884,168
Savings and money market		1,854,808		1,854,808	—	—		1,854,808		1,893,560		1,893,560
Time deposits		1,341,852		—	—	1,343,387		1,343,387		1,464,343		1,467,548
Other borrowings		37,814		37,814	—	—		37,814		50,910		50,910
Derivative instruments		479		—	479	—		479		1,114		1,114
Accrued interest payable		41,289		41,289	—	—		41,289		34,285		34,285
Subordinated debentures		354,095		—	—	231,425		231,425		354,057		204,502
Liabilities of discontinued operations		339,924		—	333,314	—		333,314		346,282		339,527
Off-Balance Sheet Financial Instruments:
Commitments to extend credit, standby
letters of credit and financial
guarantees	$	(2,779	)	—	—	(2,779	)	(2,779	)	(2,785	)	(2,785	)