3. Loans, Impaired (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Impaired loans
Unpaid Contractual Principal Balance	$ 53,107	$ 55,717
Recorded Investment With No Allowance	14,240	17,477
Recorded Investment With Allowance	32,238	30,797
Recorded Investment in Impaired Loans	46,478	48,274
Related Allowance	1,905	1,536
Average Outstanding Impaired Loans	45,895	48,357
Construction and land development
Impaired loans
Unpaid Contractual Principal Balance	14,514	17,738
Recorded Investment With No Allowance	9,238	11,795
Recorded Investment With Allowance	953	680
Recorded Investment in Impaired Loans	10,191	12,475
Related Allowance	149	61
Average Outstanding Impaired Loans	10,006	12,810
Single-family residential
Impaired loans
Unpaid Contractual Principal Balance	10,422	9,099
Recorded Investment With No Allowance	1,031	766
Recorded Investment With Allowance	8,599	7,799
Recorded Investment in Impaired Loans	9,630	8,565
Related Allowance	216	177
Average Outstanding Impaired Loans	8,845	7,590
Single-family residential - Banco de la Gente stated income
Impaired loans
Unpaid Contractual Principal Balance	22,053	21,806
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	21,056	21,000
Recorded Investment in Impaired Loans	21,056	21,000
Related Allowance	1,272	1,278
Average Outstanding Impaired Loans	21,028	21,158
Commercial Real Estate
Impaired loans
Unpaid Contractual Principal Balance	4,895	5,830
Recorded Investment With No Allowance	3,971	4,569
Recorded Investment With Allowance	463	467
Recorded Investment in Impaired Loans	4,434	5,036
Related Allowance	7	6
Average Outstanding Impaired Loans	4,840	5,433
Multifamily and Farmland
Impaired loans
Unpaid Contractual Principal Balance	189	193
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	189	193
Recorded Investment in Impaired Loans	189	193
Related Allowance	1	1
Average Outstanding Impaired Loans	191	200
Total real estate loans
Impaired loans
Unpaid Contractual Principal Balance	52,073	54,666
Recorded Investment With No Allowance	14,240	17,130
Recorded Investment With Allowance	31,260	30,139
Recorded Investment in Impaired Loans	45,500	47,269
Related Allowance	1,645	1,523
Average Outstanding Impaired Loans	44,910	47,191
Commercial loans (not secured by real estate)
Impaired loans
Unpaid Contractual Principal Balance	975	983
Recorded Investment With No Allowance	0	347
Recorded Investment With Allowance	922	592
Recorded Investment in Impaired Loans	922	939
Related Allowance	259	12
Average Outstanding Impaired Loans	931	1,125
Consumer loans (not secured by real estate)
Impaired loans
Unpaid Contractual Principal Balance	59	68
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	56	66
Recorded Investment in Impaired Loans	56	66
Related Allowance	1	1
Average Outstanding Impaired Loans	$ 54	$ 41

No authoritative reference available.

No definition available.

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- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a 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=7512638&loc=SL6953550-111524

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Amount of allowance for credit losses related to recorded investment.

+ 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 (a)(3)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524

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+ 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 (a)(4)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524

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

+ References

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