3. LOANS - Schedule of troubled debt restructuring (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Number of contracts	10	10
Rate reduction	$ 0	$ 0
Maturity extension	796	813
Rate reduction and maturity extension	1,306	1,338
Total	2,102	2,151
Number of contracts - nonaccrual	12	10
Rate reduction - nonaccrual	239	104
Maturity extension	284	170
Rate reduction and maturity extension	257	631
Total	780	905
Commercial
Number of contracts - nonaccrual	3	2
Rate reduction - nonaccrual	0	0
Maturity extension	228	0
Rate reduction and maturity extension	27	391
Total	255	391
Commercial Real Estate [Member]
Number of contracts	5	5
Rate reduction	0	0
Maturity extension	191	195
Rate reduction and maturity extension	669	686
Total	860	881
Real estate-construction
Number of contracts	1	1
Rate reduction	0	0
Maturity extension	315	325
Rate reduction and maturity extension	0	0
Total	315	325
Number of contracts - nonaccrual		1
Rate reduction - nonaccrual		0
Maturity extension		110
Rate reduction and maturity extension		0
Total		110
Real estate - mortgage
Number of contracts	3	3
Rate reduction	0	0
Maturity extension	290	293
Rate reduction and maturity extension	620	625
Total	910	918
Number of contracts - nonaccrual	2	1
Rate reduction - nonaccrual	95	0
Maturity extension	0	0
Rate reduction and maturity extension	107	113
Total	202	113
Installment
Number of contracts	1	1
Rate reduction	0	0
Maturity extension	0	0
Rate reduction and maturity extension	17	27
Total	17	27
Number of contracts - nonaccrual	2	2
Rate reduction - nonaccrual	0	0
Maturity extension	0	0
Rate reduction and maturity extension	57	59
Total	57	59
Other
Number of contracts - nonaccrual	5	4
Rate reduction - nonaccrual	144	104
Maturity extension	56	60
Rate reduction and maturity extension	66	68
Total	$ 266	$ 232