The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554

+ Details

Name:	us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_ImpairedFinancingReceivableAverageRecordedInvestmentAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethodAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_ImpairedFinancingReceivableRecordedInvestmentAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of allowance for credit losses related to recorded investment.

+ References

+ Details

Name:	us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5258-111524

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses.

+ References

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 14A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953550-111524

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses.

+ References

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses.

+ References

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of interest income, recognized on accrual basis, on financing receivables, for which there is a related allowance for credit losses and are recognized as impaired.

+ References

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

+ References

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses.

+ References

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Threshold period past due for financing receivable to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_ThresholdPeriodPastDueForWriteoffOfFinancingReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Allowance for Probable Loan Losses (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Interest Recognized
Total trouble debt restructuring	$ 17,433		$ 17,433		$ 20,358
Period of charge off for past due unsecured commercial loans			90 days
Unallocated Financing Receivables [Member]
Recorded investment:
Total impaired loans with related allowance	32,430		32,430		31,255
Total impaired loans with no related allowance	45,537		45,537		44,638
Unpaid principal balance:
Total impaired loans with an allowance recorded	32,860		32,860		34,699
Total impaired loans with no related allowance recorded	47,071		47,071		45,986
Related Allowance	21,308		21,308		16,002
Average recorded investment:
Total impaired loans with an allowance recorded	32,525	32,476	31,715	30,736	31,244
Total impaired loans with no related allowance recorded	44,599	58,267	44,532	53,089	51,616
Interest Recognized
Total impaired loans with an allowance recorded	23	32	69	98	130
Total impaired loans with no related allowance recorded	112	92	336	258	374
Commercial Loan [Member]
Interest Recognized
Total trouble debt restructuring	2,512		2,512		150
Commercial Loan [Member] \| Unallocated Financing Receivables [Member]
Recorded investment:
Total impaired loans with related allowance	17,659		17,659		17,178
Total impaired loans with no related allowance	22,536		22,536		17,005
Unpaid principal balance:
Total impaired loans with an allowance recorded	17,685		17,685		17,177
Total impaired loans with no related allowance recorded	22,606		22,606		17,023
Related Allowance	16,302		16,302		12,234
Average recorded investment:
Total impaired loans with an allowance recorded	17,677	17,884	17,550	17,898	18,019
Total impaired loans with no related allowance recorded	21,265	17,238	19,557	16,915	16,778
Interest Recognized
Total impaired loans with an allowance recorded		9		29	38
Total impaired loans with no related allowance recorded	1		3		2
Commercial Real Estate Other Construction and Land Development Receivable [Member]
Interest Recognized
Total trouble debt restructuring	2,255		2,255		8,860
Commercial Real Estate Other Construction and Land Development Receivable [Member] \| Unallocated Financing Receivables [Member]
Recorded investment:
Total impaired loans with related allowance	7,344		7,344		6,818
Total impaired loans with no related allowance	4,191		4,191		7,158
Unpaid principal balance:
Total impaired loans with an allowance recorded	7,386		7,386		6,825
Total impaired loans with no related allowance recorded	4,262		4,262		7,187
Related Allowance	2,022		2,022		852
Average recorded investment:
Total impaired loans with an allowance recorded	7,329	6,821	7,326	5,804	6,058
Total impaired loans with no related allowance recorded	4,192	22,414	5,121	20,788	18,164
Interest Recognized
Total impaired loans with no related allowance recorded	19	17	56	53	74
Commercial Real Estate Farmland and Commercial Receivable [Member]
Interest Recognized
Total trouble debt restructuring	4,556		4,556		2,863
Commercial Real Estate Farmland and Commercial Receivable [Member] \| Unallocated Financing Receivables [Member]
Recorded investment:
Total impaired loans with related allowance	7,427		7,427		7,259
Total impaired loans with no related allowance	8,344		8,344		8,779
Unpaid principal balance:
Total impaired loans with an allowance recorded	7,789		7,789		10,697
Total impaired loans with no related allowance recorded	9,664		9,664		9,949
Related Allowance	2,984		2,984		2,916
Average recorded investment:
Total impaired loans with an allowance recorded	7,519	7,771	6,839	7,034	7,167
Total impaired loans with no related allowance recorded	8,418	8,775	8,643	6,787	7,313
Interest Recognized
Total impaired loans with an allowance recorded	23	23	69	69	92
Commercial Real Estate Multifamily Receivable [Member] \| Unallocated Financing Receivables [Member]
Recorded investment:
Total impaired loans with no related allowance	251		251		295
Unpaid principal balance:
Total impaired loans with no related allowance recorded	251		251		295
Average recorded investment:
Total impaired loans with no related allowance recorded	256	316	270	330	322
Residential First Mortgage Financing Receivable [Member]
Interest Recognized
Total trouble debt restructuring	4,941		4,941		4,887
Residential First Mortgage Financing Receivable [Member] \| Unallocated Financing Receivables [Member]
Recorded investment:
Total impaired loans with no related allowance	5,457		5,457		6,153
Unpaid principal balance:
Total impaired loans with no related allowance recorded	5,507		5,507		6,258
Average recorded investment:
Total impaired loans with no related allowance recorded	5,648	4,878	6,028	4,441	4,860
Interest Recognized
Total impaired loans with no related allowance recorded	64	45	191	117	179
Residential Second Mortgage Financing Receivable [Member]
Interest Recognized
Total trouble debt restructuring	1,384		1,384		1,631
Residential Second Mortgage Financing Receivable [Member] \| Unallocated Financing Receivables [Member]
Recorded investment:
Total impaired loans with no related allowance	2,933		2,933		3,206
Unpaid principal balance:
Total impaired loans with no related allowance recorded	2,954		2,954		3,226
Average recorded investment:
Total impaired loans with no related allowance recorded	2,992	2,731	3,080	2,059	2,347
Interest Recognized
Total impaired loans with no related allowance recorded	22	25	69	74	99
Consumer Loan [Member]
Interest Recognized
Total trouble debt restructuring	1,368		1,368		1,531
Consumer Loan [Member] \| Unallocated Financing Receivables [Member]
Recorded investment:
Total impaired loans with no related allowance	1,408		1,408		1,606
Unpaid principal balance:
Total impaired loans with no related allowance recorded	1,410		1,410		1,612
Average recorded investment:
Total impaired loans with no related allowance recorded	1,408	1,458	1,407	1,313	1,380
Interest Recognized
Total impaired loans with no related allowance recorded	1		3		1
Foreign Receivables [Member]
Interest Recognized
Total trouble debt restructuring	417		417		436
Foreign Receivables [Member] \| Unallocated Financing Receivables [Member]
Recorded investment:
Total impaired loans with no related allowance	417		417		436
Unpaid principal balance:
Total impaired loans with no related allowance recorded	417		417		436
Average recorded investment:
Total impaired loans with no related allowance recorded	420	457	426	456	452
Interest Recognized
Total impaired loans with no related allowance recorded	$ 5	$ 5	$ 14	$ 14	$ 19