3. Loans, Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Allowance for loan losses
Beginning balance	$ 10,378	$ 12,675	$ 11,082	$ 13,501
Charge-offs	(315)	(749)	(1,176)	(1,920)
Recoveries	122	161	321	789
Provision	235	256	193	(27)
Ending balance	10,420	12,343	10,420	12,343
Ending balance: individually evaluated for impairments	1,451	1,413	1,451	1,413
Ending balance: collectively evaluated for impairments	8,969	10,930	8,969	10,930
Ending balance	10,420	12,343	10,420	12,343
Loans
Ending balance	684,800	650,550	684,800	650,550
Ending balance: individually evaluated for impairment	24,903	28,766	24,903	28,766
Ending balance: collectively evaluated for impairment	659,897	621,784	659,897	621,784
Construction and land development
Allowance for loan losses
Beginning balance	2,924	3,387	2,785	3,218
Charge-offs	(110)	(513)	(198)	(772)
Recoveries	20	107	43	389
Provision	(85)	93	119	239
Ending balance	2,749	3,074	2,749	3,074
Ending balance: individually evaluated for impairments	0	0	0	0
Ending balance: collectively evaluated for impairments	2,749	3,074	2,749	3,074
Ending balance	2,749	3,074	2,749	3,074
Loans
Ending balance	61,748	56,959	61,748	56,959
Ending balance: individually evaluated for impairment	241	3,808	241	3,808
Ending balance: collectively evaluated for impairment	61,507	53,151	61,507	53,151
Single-family residential
Allowance for loan losses
Beginning balance	2,456	2,848	2,566	3,123
Charge-offs	(48)	(30)	(447)	(223)
Recoveries	21	2	30	64
Provision	396	(86)	676	(230)
Ending balance	2,825	2,734	2,825	2,734
Ending balance: individually evaluated for impairments	96	67	96	67
Ending balance: collectively evaluated for impairments	2,729	2,667	2,729	2,667
Ending balance	2,825	2,734	2,825	2,734
Loans
Ending balance	218,365	202,797	218,365	202,797
Ending balance: individually evaluated for impairment	2,944	2,312	2,944	2,312
Ending balance: collectively evaluated for impairment	215,421	200,485	215,421	200,485
Single-family residential - Banco de la Gente stated income
Allowance for loan losses
Beginning balance	1,528	1,708	1,610	1,863
Charge-offs	0	(7)	(59)	(148)
Recoveries	0	0	22	17
Provision	(68)	(29)	(113)	(60)
Ending balance	1,460	1,672	1,460	1,672
Ending balance: individually evaluated for impairments	1,128	1,164	1,128	1,164
Ending balance: collectively evaluated for impairments	332	508	332	508
Ending balance	1,460	1,672	1,460	1,672
Loans
Ending balance	44,433	47,665	44,433	47,665
Ending balance: individually evaluated for impairment	18,193	19,083	18,193	19,083
Ending balance: collectively evaluated for impairment	26,240	28,582	26,240	28,582
Commercial
Allowance for loan losses
Beginning balance	1,749	1,839	1,902	2,219
Charge-offs	0	(51)	(62)	(181)
Recoveries	5	4	15	165
Provision	176	(24)	75	(435)
Ending balance	1,930	1,768	1,930	1,768
Ending balance: individually evaluated for impairments	227	182	227	182
Ending balance: collectively evaluated for impairments	1,703	1,586	1,703	1,586
Ending balance	1,930	1,768	1,930	1,768
Loans
Ending balance	234,003	227,183	234,003	227,183
Ending balance: individually evaluated for impairment	3,525	3,563	3,525	3,563
Ending balance: collectively evaluated for impairment	230,478	223,620	230,478	223,620
Multifamily and Farmland
Allowance for loan losses
Beginning balance	2	7	7	37
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	3	1	(2)	(29)
Ending balance	5	8	5	8
Ending balance: individually evaluated for impairments	0	0	0	0
Ending balance: collectively evaluated for impairments	5	8	5	8
Ending balance	5	8	5	8
Loans
Ending balance	14,003	10,887	14,003	10,887
Ending balance: individually evaluated for impairment	0	0	0	0
Ending balance: collectively evaluated for impairment	14,003	10,887	14,003	10,887
Commercial loans (not secured by real estate)
Allowance for loan losses
Beginning balance	902	1,081	1,098	1,069
Charge-offs	(1)	(4)	(16)	(197)
Recoveries	43	15	96	42
Provision	(63)	62	(297)	240
Ending balance	881	1,154	881	1,154
Ending balance: individually evaluated for impairments	0	0	0	0
Ending balance: collectively evaluated for impairments	881	1,154	881	1,154
Ending balance	881	1,154	881	1,154
Loans
Ending balance	88,931	78,139	88,931	78,139
Ending balance: individually evaluated for impairment	0	0	0	0
Ending balance: collectively evaluated for impairment	88,931	78,139	88,931	78,139
Farm loans (not secured by real estate)
Allowance for loan losses
Beginning balance	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	0	0	0	0
Ending balance	0	0	0	0
Ending balance: individually evaluated for impairments	0	0	0	0
Ending balance: collectively evaluated for impairments	0	0	0	0
Ending balance	0	0	0	0
Loans
Ending balance	3	10	3	10
Ending balance: individually evaluated for impairment	0	0	0	0
Ending balance: collectively evaluated for impairment	3	10	3	10
Consumer And All Other Loans
Allowance for loan losses
Beginning balance	231	253	233	245
Charge-offs	(156)	(144)	(394)	(399)
Recoveries	33	33	115	112
Provision	104	98	258	282
Ending balance	212	240	212	240
Ending balance: individually evaluated for impairments	0	0	0	0
Ending balance: collectively evaluated for impairments	212	240	212	240
Ending balance	212	240	212	240
Loans
Ending balance	23,314	26,910	23,314	26,910
Ending balance: individually evaluated for impairment	0	0	0	0
Ending balance: collectively evaluated for impairment	23,314	26,910	23,314	26,910
Unallocated
Allowance for loan losses
Beginning balance	586	1,552	881	1,727
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(228)	141	(523)	(34)
Ending balance	358	1,693	358	1,693
Ending balance: individually evaluated for impairments	0	0	0	0
Ending balance: collectively evaluated for impairments	358	1,693	358	1,693
Ending balance	358	1,693	358	1,693
Loans
Ending balance	0	0	0	0
Ending balance: individually evaluated for impairment	0	0	0	0
Ending balance: collectively evaluated for impairment	$ 0	$ 0	$ 0	$ 0

Loans Receivable [Abstract]

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amount of recovery of financing receivables doubtful of collection that were previously charged off.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of direct write-downs of financing receivables charged against the allowance.

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The balance of financing receivables that were collectively evaluated for impairment.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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The allowance for other loan and lease losses represents the reserve to cover probable credit losses related to specifically identified other loans and leases, as well as probable credit losses inherent in the remainder of the other loan portfolio as of the balance sheet date. For banks, include currently required allocated transfer risk reserves. Include carryover of or adjustments to the allowance for other loan losses in connection with business combinations determined to be appropriate.

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Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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