Fair Value Measurement (Details) (USD $)	3 Months Ended							12 Months Ended
	Mar. 31, 2012		Dec. 31, 2011		Mar. 31, 2011		Dec. 31, 2010	Dec. 31, 2011
Recurring Fair Value Measurements
Available for sale securities			$ 3,353,553,000		$ 3,362,751,000			$ 3,353,553,000
Loans held for sale	42,447,000		30,077,000		13,443,000			30,077,000
Derivative Asset, Fair Value, Gross Asset	60,115,000		62,056,000		40,380,000			62,056,000
Derivative Liability, Fair Value, Gross Liability	80,174,000		86,106,000		63,923,000			86,106,000
Nonrecurring Fair Value Measurement [Abstract]
Mortgage servicing rights	18,869,000				21,943,000
Servicing Asset at Amortized Cost	20,946,000		21,179,000		21,539,000		21,317,000	21,179,000
Servicing Asset at Amortized Value, Valuation Allowance	(2,193,000)		(3,539,000)		0		0	(3,539,000)
Amortization of Mortgage Servicing Rights (MSRs)	18,753,000				21,539,000			17,640,000
Servicing Asset at Amortized Value, Recoveries	1,346,000				0			(3,539,000)
Impaired Financing Receivable, Related Allowance	7,237,000		7,080,000		7,112,000			7,080,000
Loss on Re-measurement of Foreclosed Assets, Fair Value Disclosure	900,000				2,200,000			5,400,000
Loss on Re-measurement of Covered Foreclosed Assets, Fair Value Disclosure	600,000				300,000			3,000,000
Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	3,491,647,000		3,353,553,000		3,362,751,000			3,353,553,000
Loans held for sale	42,447,000		30,077,000		13,443,000			30,077,000
Derivative assets	60,115,000		62,056,000		40,380,000			62,056,000
Derivative Asset, Fair Value, Gross Asset	60,115,000		62,056,000		40,380,000			62,056,000
Total assets at fair value on a recurring and nonrecurring basis	3,594,209,000	[1]	3,445,686,000	[2]	3,416,574,000	[3]		3,445,686,000	[2]
Derivative liabilities	80,174,000		86,106,000		63,923,000			86,106,000
Derivative Liability, Fair Value, Gross Liability	80,174,000		86,106,000		63,923,000			86,106,000
True-up liability	11,725,000		11,551,000		11,601,000			11,551,000
Total liabilities at fair value on a recurring basis	91,899,000	[1]	97,657,000	[2]	75,524,000	[3]		97,657,000	[2]
Estimate of Fair Value, Fair Value Disclosure [Member] | Nonrecurring [Member]
Recurring Fair Value Measurements
Total assets at fair value on a recurring and nonrecurring basis	122,256,000		122,191,000		136,915,000			122,191,000
Nonrecurring Fair Value Measurement [Abstract]
Mortgage servicing rights	18,869,000	[4]	17,749,000	[5]	0	[6]		17,749,000	[5]
Impaired loans	50,854,000	[7]	56,739,000	[8]	84,212,000	[9]		56,739,000	[8]
Other property	4,768,000	[10]	4,087,000	[11]	10,468,000	[12]		4,087,000	[11]
Other real estate covered by loss share	47,765,000	[13]	43,616,000	[14]	42,235,000	[15]		43,616,000	[14]
Recorded Investment on Collateral Dependent Impaired Loans	58,323,000		64,456,000		99,721,000			64,456,000
Impaired Financing Receivable, Related Allowance	(7,469,000)		(7,717,000)		(15,509,000)			(7,717,000)
Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	3,308,000		3,299,000		3,839,000			3,299,000
Loans held for sale	0		0		0			0
Derivative assets	0		0		0			0
Total assets at fair value on a recurring and nonrecurring basis	3,308,000	[1]	3,299,000	[2]	3,839,000	[3]		3,299,000	[2]
Derivative liabilities	0		0		0			0
True-up liability	0		0		0			0
Total liabilities at fair value on a recurring basis	0	[1]	0	[2]	0	[3]		0	[2]
Level 1 [Member] | Nonrecurring [Member]
Recurring Fair Value Measurements
Total assets at fair value on a recurring and nonrecurring basis	0		0		0			0
Nonrecurring Fair Value Measurement [Abstract]
Mortgage servicing rights	0	[4]	0	[5]	0	[6]		0	[5]
Impaired loans	0	[7]	0	[8]	0	[9]		0	[8]
Other property	0	[10]	0	[11]	0	[12]		0	[11]
Other real estate covered by loss share	0	[13]	0	[14]	0	[15]		0	[14]
Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	3,399,852,000		3,262,715,000		3,231,998,000			3,262,715,000
Loans held for sale	42,447,000		30,077,000		13,443,000			30,077,000
Derivative assets	60,115,000		62,056,000		40,380,000			62,056,000
Derivative Asset, Fair Value, Gross Asset	60,115,000		62,056,000		40,380,000			62,056,000
Total assets at fair value on a recurring and nonrecurring basis	3,502,414,000	[1]	3,354,848,000	[2]	3,285,821,000	[3]		3,354,848,000	[2]
Derivative liabilities	80,174,000		86,106,000		63,923,000			86,106,000
Derivative Liability, Fair Value, Gross Liability	80,174,000		86,106,000		63,923,000			86,106,000
True-up liability	0		0		11,601,000			0
Total liabilities at fair value on a recurring basis	80,174,000	[1]	86,106,000	[2]	75,524,000	[3]		86,106,000	[2]
Level 2 [Member] | Nonrecurring [Member]
Recurring Fair Value Measurements
Total assets at fair value on a recurring and nonrecurring basis	0		0		0			0
Nonrecurring Fair Value Measurement [Abstract]
Mortgage servicing rights	0	[4]	0	[5]	0	[6]		0	[5]
Impaired loans	0	[7]	0	[8]	0	[9]		0	[8]
Other property	0	[10]	0	[11]	0	[12]		0	[11]
Other real estate covered by loss share	0	[13]	0	[14]	0	[15]		0	[14]
Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	88,487,000		87,539,000		126,914,000			87,539,000
Loans held for sale	0		0		0			0
Derivative assets	0		0		0			0
Total assets at fair value on a recurring and nonrecurring basis	88,487,000	[1]	87,539,000	[2]	126,914,000	[3]		87,539,000	[2]
Derivative liabilities	0		0		0			0
True-up liability	11,725,000		11,551,000		0			11,551,000
Total liabilities at fair value on a recurring basis	11,725,000	[1]	11,551,000	[2]	0	[3]		11,551,000	[2]
Level 3 [Member] | Nonrecurring [Member]
Recurring Fair Value Measurements
Total assets at fair value on a recurring and nonrecurring basis	122,256,000		122,191,000		136,915,000			122,191,000
Nonrecurring Fair Value Measurement [Abstract]
Mortgage servicing rights	18,869,000	[4]	17,749,000	[5]	0	[6]		17,749,000	[5]
Impaired loans	50,854,000	[7]	56,739,000	[8]	84,212,000	[9]		56,739,000	[8]
Other property	4,768,000	[10]	4,087,000	[11]	10,468,000	[12]		4,087,000	[11]
Other real estate covered by loss share	47,765,000	[13]	43,616,000	[14]	42,235,000	[15]		43,616,000	[14]
Not Designated as Hedging Instrument [Member]
Recurring Fair Value Measurements
Derivative Asset, Fair Value, Gross Asset	60,115,000	[16]	62,101,000	[16]	40,380,000	[16]		62,101,000	[16]
Derivative Liability, Fair Value, Gross Liability	56,388,000	[17]	60,261,000	[17]	39,458,000	[17]		60,261,000	[17]
Interest Rate Swap [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	0		0		0			0
Derivative liabilities	23,786,000		25,889,000		24,465,000			25,889,000
Interest Rate Swap [Member] | Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	0		0		0			0
Derivative liabilities	0		0		0			0
Interest Rate Swap [Member] | Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	0		0		0			0
Derivative liabilities			25,889,000		24,465,000			25,889,000
Interest Rate Swap [Member] | Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	0		0		0			0
Derivative liabilities	0		0		0			0
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member]
Recurring Fair Value Measurements
Derivative Asset, Fair Value, Gross Asset	56,298,000	[16]	58,875,000	[16]	39,108,000	[16]		58,875,000	[16]
Derivative Liability, Fair Value, Gross Liability	56,298,000	[17]	58,875,000	[17]	39,108,000	[17]		58,875,000	[17]
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	56,298,000		58,875,000		39,108,000			58,875,000
Derivative liabilities	56,298,000		58,875,000		39,108,000			58,875,000
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] | Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	0		0		0			0
Derivative liabilities	0		0		0			0
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] | Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets			58,875,000		39,108,000			58,875,000
Derivative Asset, Fair Value, Gross Asset	56,298,000
Derivative liabilities			58,875,000		39,108,000			58,875,000
Derivative Liability, Fair Value, Gross Liability	56,298,000
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] | Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	0		0		0			0
Derivative liabilities	0		0		0			0
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Recurring Fair Value Measurements
Derivative Asset, Fair Value, Gross Asset	0	[16]	0	[16]	0	[16]		0	[16]
Derivative Liability, Fair Value, Gross Liability	23,786,000	[17]	25,889,000	[17]	24,465,000	[17]		25,889,000	[17]
Mortgage Loan Commitments [Member]
Recurring Fair Value Measurements
Derivative Asset, Fair Value, Gross Asset	3,268,000	[16]
Mortgage Loan Commitments [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	3,268,000		4,959,000		1,432,000			4,959,000
Mortgage Loan Commitments [Member] | Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	0		0		0			0
Mortgage Loan Commitments [Member] | Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets			4,959,000		1,432,000			4,959,000
Derivative Asset, Fair Value, Gross Asset	3,268,000
Mortgage Loan Commitments [Member] | Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	0		0		0			0
Mortgage Loan Commitments [Member] | Not Designated as Hedging Instrument [Member]
Recurring Fair Value Measurements
Derivative Asset, Fair Value, Gross Asset			4,959,000	[16]	1,432,000	[16]		4,959,000	[16]
Derivative Liability, Fair Value, Gross Liability	0	[17]	0	[17]	0	[17]		0	[17]
Forward Contracts [Member]
Recurring Fair Value Measurements
Derivative Asset, Fair Value, Gross Asset	446,000	[16]
Forward Contracts [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	446,000		(1,798,000)		(170,000)			(1,798,000)
Forward Contracts [Member] | Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	0		0		0			0
Forward Contracts [Member] | Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets			(1,798,000)		(170,000)			(1,798,000)
Derivative Asset, Fair Value, Gross Asset	446,000
Forward Contracts [Member] | Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	0		0		0			0
Forward Contracts [Member] | Not Designated as Hedging Instrument [Member]
Recurring Fair Value Measurements
Derivative Asset, Fair Value, Gross Asset			(1,798,000)	[16]	(170,000)	[16]		(1,798,000)	[16]
Derivative Liability, Fair Value, Gross Liability	0	[17]	0	[17]	0	[17]		0	[17]
Foreign Exchange [Member]
Recurring Fair Value Measurements
Derivative Liability, Fair Value, Gross Liability	90,000	[17]
Foreign Exchange [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	103,000		20,000		10,000			20,000
Derivative liabilities	90,000		18,000		10,000			18,000
Foreign Exchange [Member] | Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	0		0		0			0
Derivative liabilities	0		0		0			0
Foreign Exchange [Member] | Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets			20,000		10,000			20,000
Derivative Asset, Fair Value, Gross Asset	103,000
Derivative liabilities			18,000		10,000			18,000
Derivative Liability, Fair Value, Gross Liability	90,000
Foreign Exchange [Member] | Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative assets	0		0		0			0
Derivative liabilities	0		0		0			0
Foreign Exchange [Member] | Not Designated as Hedging Instrument [Member]
Recurring Fair Value Measurements
Derivative Asset, Fair Value, Gross Asset	103,000	[16]	65,000	[16]	10,000	[16]		65,000	[16]
Derivative Liability, Fair Value, Gross Liability			62,000	[17]	10,000	[17]		62,000	[17]
Other Contract [Member]
Recurring Fair Value Measurements
Derivative Liability, Fair Value, Gross Liability	0	[17]
Other Contract [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative liabilities			1,324,000		340,000			1,324,000
Other Contract [Member] | Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative liabilities			0		0			0
Other Contract [Member] | Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative liabilities			1,324,000		340,000			1,324,000
Other Contract [Member] | Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Derivative liabilities			0		0			0
Other Contract [Member] | Not Designated as Hedging Instrument [Member]
Recurring Fair Value Measurements
Derivative Asset, Fair Value, Gross Asset	0	[16]	0	[16]	0	[16]		0	[16]
Derivative Liability, Fair Value, Gross Liability			1,324,000	[17]	340,000	[17]		1,324,000	[17]
Money Market Funds [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	3,308,000		3,299,000		3,839,000			3,299,000
Money Market Funds [Member] | Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	3,308,000		3,299,000		3,839,000			3,299,000
Money Market Funds [Member] | Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0		0		0			0
Money Market Funds [Member] | Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0		0		0			0
US Government Agency Debentures [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	35,455,000		123,069,000		409,391,000			123,069,000
US Government Agency Debentures [Member] | Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0		0		0			0
US Government Agency Debentures [Member] | Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	35,455,000		123,069,000		409,391,000			123,069,000
US Government Agency Debentures [Member] | Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0		0		0			0
US States and Political Subdivisions Debt Securities [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	386,525,000		357,731,000		296,728,000			357,731,000
US States and Political Subdivisions Debt Securities [Member] | Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0		0		0			0
US States and Political Subdivisions Debt Securities [Member] | Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	386,525,000		357,731,000		296,728,000			357,731,000
US States and Political Subdivisions Debt Securities [Member] | Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0		0		0			0
Residential Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	1,454,416,000		1,460,343,000		1,512,520,000			1,460,343,000
Residential Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0		0		0			0
Residential Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	1,454,416,000		1,460,343,000		1,512,520,000			1,460,343,000
Residential Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0		0		0			0
Commercial Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	27,663,000
Commercial Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0
Commercial Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	27,663,000
Commercial Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0
Residential Collateralized Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	1,251,304,000		1,137,835,000		1,013,356,000			1,137,835,000
Residential Collateralized Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0		0		0			0
Residential Collateralized Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	1,251,304,000		1,137,835,000		1,013,356,000			1,137,835,000
Residential Collateralized Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0		0		0			0
Residential Collateralized Mortgage Backed Securities Issued by Non Agency [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	41,832,000		43,307,000		77,609,000			43,307,000
Residential Collateralized Mortgage Backed Securities Issued by Non Agency [Member] | Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0		0		0			0
Residential Collateralized Mortgage Backed Securities Issued by Non Agency [Member] | Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	2,000		2,000		3,000			2,000
Residential Collateralized Mortgage Backed Securities Issued by Non Agency [Member] | Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	41,830,000		43,305,000		77,606,000			43,305,000
Commercial Collateralized Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	147,355,000		129,127,000		0			129,127,000
Commercial Collateralized Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0		0		0			0
Commercial Collateralized Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	147,355,000		129,127,000		0			129,127,000
Commercial Collateralized Mortgage Backed Securities Issued by US Government Sponsored Enterprises [Member] | Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0		0		0			0
Corporate Debt Securities [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	143,789,000		98,842,000		49,308,000			98,842,000
Corporate Debt Securities [Member] | Level 1 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	0		0		0			0
Corporate Debt Securities [Member] | Level 2 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	97,132,000		54,608,000		0			54,608,000
Corporate Debt Securities [Member] | Level 3 [Member] | Recurring [Member]
Recurring Fair Value Measurements
Available for sale securities	$ 46,657,000		$ 44,234,000		$ 49,308,000			$ 44,234,000

[1] There were no transfers between levels 1 and 2 of the fair value hierarchy during the quarter ended March 31, 2012.

[2] There were no transfers between levels 1 and 2 of the fair value hierarchy during the quarter ended December 31, 2011.

[3] There were no transfers between levels 1 and 2 of the fair value hierarchy during the quarter ended March 31, 2011.

[4] Mortgage servicing rights with a recorded investment of $20.9 million were reduced by a specific valuation allowance totaling $2.2 million to a reported carrying value of $18.8 million resulting in recognition of a recovery of $1.3 million in the quarter ended March 31, 2012.

[5] Mortgage servicing rights with a recorded investment of $21.2 million were reduced by a specific valuation allowance totaling $3.5 million to a reported carrying value of $17.6 million resulting in the recognition of an impairment charge of $3.5 million in the year ended December 31, 2011.

[6] Recorded at carrying value of $21.5 million as of March 31, 2011.

[7] Collateral dependent impaired loans with a recorded investment of $58.3 million were reduced by specific valuation allowance allocations totaling $7.5 million to a reported net carrying value of $50.9 million.

[8] Collateral dependent impaired loans with a recorded investment of $64.5 million were reduced by specific valuation allowance allocations totaling $7.7 million to a reported net carrying value of $56.7 million.

[9] Collateral dependent impaired loans with a recorded investment of $99.7 million were reduced by specific valuation allowance allocations totaling $15.5 million to a reported net carrying value of $84.2 million.

[10] Amounts do not include assets held at cost at March 31, 2012. During the quarter ended March 31, 2012, the re-measurement of foreclosed assets at fair value subsequent to initial recognition resulted in losses of $0.9 million included in noninterest expense.

[11] Amounts do not include assets held at cost at December 31, 2011. During the year ended December 31, 2011, the re-measurement of foreclosed assets at fair value subsequent to initial recognition resulted in losses of $5.4 million included in noninterest expense.

[12] Amounts do not include assets held at cost at March 31, 2011. During the quarter ended March 31, 2011, the re-measurement of foreclosed assets at fair value subsequent to initial recognition resulted in losses of $2.2 million included in noninterest expense.

[13] Amounts do not include assets held at cost at March 31, 2012. During the quarter ended March 31, 2012, the re-measurement of covered foreclosed assets at fair value subsequent to initial recognition resulted in losses $0.6 million included in noninterest expense.

[14] Amounts do not include assets held at cost at December 31, 2011. During the year ended December 31, 2011, the re-measurement of covered foreclosed assets at fair value subsequent to initial recognition resulted in losses of $3.0 million included in noninterest expense.

[15] Amounts do not include assets held at cost at March 31, 2011. During the quarter ended March 31, 2011, the re-measurement of covered foreclosed assets at fair value subsequent to initial recognition resulted in losses of $0.3 million included in noninterest expense.

[16] Included in Other Assets on the Consolidated Balance Sheets

[17] Included in Other Liabilities on the Consolidated Balance Sheets