3. Loans, Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Allowance for loan losses
Beginning balance	$ 9,589	$ 11,082
Charge-offs	(322)	(530)
Recoveries	65	118
Provision	(216)	173
Ending balance	9,116	10,843
Ending balance: individually evaluated for impairments	1,372	1,472
Ending balance: collectively evaluated for impairments	7,744	9,371
Ending balance	9,116	10,843
Loans
Ending balance	693,033	660,477
Ending balance: individually evaluated for impairment	25,213	26,002
Ending balance: collectively evaluated for impairment	667,820	634,475
Construction and land development
Allowance for loan losses
Beginning balance	2,185	2,785
Charge-offs	0	(88)
Recoveries	3	5
Provision	(344)	56
Ending balance	1,844	2,758
Ending balance: individually evaluated for impairments	0	0
Ending balance: collectively evaluated for impairments	1,844	2,758
Ending balance	1,844	2,758
Loans
Ending balance	63,973	57,247
Ending balance: individually evaluated for impairment	0	266
Ending balance: collectively evaluated for impairment	63,973	56,981
Single-family residential
Allowance for loan losses
Beginning balance	2,534	2,566
Charge-offs	(59)	(291)
Recoveries	8	6
Provision	(8)	318
Ending balance	2,475	2,599
Ending balance: individually evaluated for impairments	95	82
Ending balance: collectively evaluated for impairments	2,380	2,517
Ending balance	2,475	2,599
Loans
Ending balance	223,104	207,113
Ending balance: individually evaluated for impairment	2,612	3,448
Ending balance: collectively evaluated for impairment	220,492	203,665
Single-family residential - Banco de la Gente stated income
Allowance for loan losses
Beginning balance	1,460	1,610
Charge-offs	0	(42)
Recoveries	0	22
Provision	(37)	(4)
Ending balance	1,423	1,586
Ending balance: individually evaluated for impairments	1,107	1,145
Ending balance: collectively evaluated for impairments	316	441
Ending balance	1,423	1,586
Loans
Ending balance	42,951	46,272
Ending balance: individually evaluated for impairment	17,711	18,655
Ending balance: collectively evaluated for impairment	25,240	27,617
Commercial
Allowance for loan losses
Beginning balance	1,917	1,902
Charge-offs	(106)	(2)
Recoveries	5	5
Provision	(28)	(119)
Ending balance	1,788	1,786
Ending balance: individually evaluated for impairments	170	245
Ending balance: collectively evaluated for impairments	1,618	1,541
Ending balance	1,788	1,786
Loans
Ending balance	228,166	227,471
Ending balance: individually evaluated for impairment	4,890	3,633
Ending balance: collectively evaluated for impairment	223,276	223,838
Multifamily and Farmland
Allowance for loan losses
Beginning balance	0	7
Charge-offs	0	0
Recoveries	0	0
Provision	0	(1)
Ending balance	0	6
Ending balance: individually evaluated for impairments	0	0
Ending balance: collectively evaluated for impairments	0	6
Ending balance	0	6
Loans
Ending balance	18,122	12,331
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	18,122	12,331
Commercial loans (not secured by real estate)
Allowance for loan losses
Beginning balance	842	1,098
Charge-offs	(29)	0
Recoveries	6	36
Provision	(9)	47
Ending balance	810	1,181
Ending balance: individually evaluated for impairments	0	0
Ending balance: collectively evaluated for impairments	810	1,181
Ending balance	810	1,181
Loans
Ending balance	91,784	87,055
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	91,784	87,055
Farm loans (not secured by real estate)
Allowance for loan losses
Beginning balance	0	0
Charge-offs	0	0
Recoveries	0	0
Provision	0	0
Ending balance	0	0
Ending balance: individually evaluated for impairments	0	0
Ending balance: collectively evaluated for impairments	0	0
Ending balance	0	0
Loans
Ending balance	2	5
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	2	5
Consumer And All Other Loans
Allowance for loan losses
Beginning balance	172	233
Charge-offs	(128)	(107)
Recoveries	43	44
Provision	103	38
Ending balance	190	208
Ending balance: individually evaluated for impairments	0	0
Ending balance: collectively evaluated for impairments	190	208
Ending balance	190	208
Loans
Ending balance	24,931	22,983
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	24,931	22,983
Unallocated
Allowance for loan losses
Beginning balance	479	881
Charge-offs	0	0
Recoveries	0	0
Provision	107	(162)
Ending balance	586	719
Ending balance: individually evaluated for impairments	0	0
Ending balance: collectively evaluated for impairments	586	719
Ending balance	586	719
Loans
Ending balance	0	0
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	$ 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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- Definition

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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