3. Loans, Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Allowance for loan losses
Beginning balance	$ 9,116	$ 10,843	$ 9,589	$ 11,082
Charge-offs	(186)	(332)	(508)	(862)
Recoveries	141	81	207	199
Provision	(531)	(214)	(748)	(41)
Ending balance	8,540	10,378	8,540	10,378
Ending balance: individually evaluated for impairments	1,363	1,462	1,363	1,462
Ending balance: collectively evaluated for impairments	7,177	8,916	7,177	8,916
Ending balance	8,540	10,378	8,540	10,378
Loans
Ending balance	702,031	666,767	702,031	666,767
Ending balance: individually evaluated for impairment	23,262	25,160	23,262	25,160
Ending balance: collectively evaluated for impairment	678,769	641,607	678,769	641,607
Construction and land development
Allowance for loan losses
Beginning balance	1,844	2,758	2,185	2,785
Charge-offs	0	0	0	(73)
Recoveries	3	18	6	23
Provision	(265)	148	(609)	189
Ending balance	1,582	2,924	1,582	2,924
Ending balance: individually evaluated for impairments	0	0	0	0
Ending balance: collectively evaluated for impairments	1,582	2,924	1,582	2,924
Ending balance	1,582	2,924	1,582	2,924
Loans
Ending balance	60,075	60,066	60,075	60,066
Ending balance: individually evaluated for impairment	0	241	0	241
Ending balance: collectively evaluated for impairment	60,075	59,825	60,075	59,825
Single-family residential
Allowance for loan losses
Beginning balance	2,475	2,599	2,534	2,566
Charge-offs	(64)	(109)	(123)	(400)
Recoveries	5	4	13	10
Provision	(183)	(38)	(191)	280
Ending balance	2,233	2,456	2,233	2,456
Ending balance: individually evaluated for impairments	94	92	94	92
Ending balance: collectively evaluated for impairments	2,139	2,364	2,139	2,364
Ending balance	2,233	2,456	2,233	2,456
Loans
Ending balance	229,586	208,653	229,586	208,653
Ending balance: individually evaluated for impairment	1,116	2,998	1,116	2,998
Ending balance: collectively evaluated for impairment	228,470	205,655	228,470	205,655
Single-family residential - Banco de la Gente stated income
Allowance for loan losses
Beginning balance	1,423	1,586	1,460	1,610
Charge-offs	0	(17)	0	(59)
Recoveries	0	0	0	22
Provision	(69)	(41)	(106)	(45)
Ending balance	1,354	1,528	1,354	1,528
Ending balance: individually evaluated for impairments	1,092	1,135	1,092	1,135
Ending balance: collectively evaluated for impairments	262	393	262	393
Ending balance	1,354	1,528	1,354	1,528
Loans
Ending balance	41,910	45,252	41,910	45,252
Ending balance: individually evaluated for impairment	17,430	18,346	17,430	18,346
Ending balance: collectively evaluated for impairment	24,480	26,906	24,480	26,906
Commercial
Allowance for loan losses
Beginning balance	1,788	1,786	1,917	1,902
Charge-offs	0	(59)	(106)	(62)
Recoveries	6	5	11	10
Provision	(144)	17	(172)	(101)
Ending balance	1,650	1,749	1,650	1,749
Ending balance: individually evaluated for impairments	177	235	177	235
Ending balance: collectively evaluated for impairments	1,473	1,514	1,473	1,514
Ending balance	1,650	1,749	1,650	1,749
Loans
Ending balance	232,035	231,684	232,035	231,684
Ending balance: individually evaluated for impairment	4,716	3,575	4,716	3,575
Ending balance: collectively evaluated for impairment	227,319	228,109	227,319	228,109
Multifamily and Farmland
Allowance for loan losses
Beginning balance	0	6	0	7
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	46	(4)	46	(5)
Ending balance	46	2	46	2
Ending balance: individually evaluated for impairments	0	0	0	0
Ending balance: collectively evaluated for impairments	46	2	46	2
Ending balance	46	2	46	2
Loans
Ending balance	18,688	12,402	18,688	12,402
Ending balance: individually evaluated for impairment	0	0	0	0
Ending balance: collectively evaluated for impairment	18,688	12,402	18,688	12,402
Commercial loans (not secured by real estate)
Allowance for loan losses
Beginning balance	810	1,181	842	1,098
Charge-offs	(10)	(15)	(39)	(15)
Recoveries	99	17	105	53
Provision	(96)	(281)	(105)	(234)
Ending balance	803	902	803	902
Ending balance: individually evaluated for impairments	0	0	0	0
Ending balance: collectively evaluated for impairments	803	902	803	902
Ending balance	803	902	803	902
Loans
Ending balance	91,347	85,124	91,347	85,124
Ending balance: individually evaluated for impairment	0	0	0	0
Ending balance: collectively evaluated for impairment	91,347	85,124	91,347	85,124
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	1	4	1	4
Ending balance: individually evaluated for impairment	0	0	0	0
Ending balance: collectively evaluated for impairment	1	4	1	4
Consumer And All Other Loans
Allowance for loan losses
Beginning balance	190	208	172	233
Charge-offs	(112)	(132)	(240)	(253)
Recoveries	28	37	72	81
Provision	128	118	230	170
Ending balance	234	231	234	231
Ending balance: individually evaluated for impairments	0	0	0	0
Ending balance: collectively evaluated for impairments	234	231	234	231
Ending balance	234	231	234	231
Loans
Ending balance	28,389	23,582	28,389	23,582
Ending balance: individually evaluated for impairment	0	0	0	0
Ending balance: collectively evaluated for impairment	28,389	23,582	28,389	23,582
Unallocated
Allowance for loan losses
Beginning balance	586	719	479	881
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	52	(133)	159	(295)
Ending balance	638	586	638	586
Ending balance: individually evaluated for impairments	0	0	0	0
Ending balance: collectively evaluated for impairments	638	586	638	586
Ending balance	638	586	638	586
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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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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