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Loans and Allowance for Loan Losses - Schedule of Changes in Allowance for Loan Losses and Recorded Investment in Loans (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  | $ 6,168 |  |
Provision (reduction in reserve) for loan losses | $ 45 | $ (264) | (121) | $ 150 |
Ending balance | 5,008 |  | 5,008 |  | $ 6,168
Loan receivables: |  |  |  |  |
Ending balance | 260,133 |  | 260,133 |  | 274,317
Commercial and Industrial Loans [Member] |  |  |  |  |
Loan receivables: |  |  |  |  |
Ending balance | 18,198 |  | 18,198 |  | 16,838
Consumer Loans [Member] |  |  |  |  |
Loan receivables: |  |  |  |  |
Ending balance | 80,252 |  | 80,252 |  | 69,021
Other Loans [Member] |  |  |  |  |
Loan receivables: |  |  |  |  |
Ending balance | 786 |  | 786 |  | 579
FUSB [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  | 3,486 | 6,272 | 6,272
Charge-offs |  |  | (159) |  | (1,941)
Recoveries |  |  | 92 |  | 1,075
Provision (reduction in reserve) for loan losses |  |  | (970) |  | (1,920)
Ending balance | 2,449 |  | 2,449 |  | 3,486
Ending balance individually evaluated for impairment | 982 |  | 982 |  | 762
Ending balance collectively evaluated for impairment | 1,467 |  | 1,467 |  | 2,724
Loan receivables: |  |  |  |  |
Ending balance | 167,662 |  | 167,662 |  | 191,175
Ending balance individually evaluated for impairment | 6,950 |  | 6,950 |  | 10,605
Ending balance collectively evaluated for impairment | 160,712 |  | 160,712 |  | 180,570
FUSB [Member] | Commercial and Industrial Loans [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  | 141 | 592 | 592
Charge-offs |  |  |  |  | (289)
Recoveries |  |  | 22 |  | 307
Provision (reduction in reserve) for loan losses |  |  | (46) |  | (469)
Ending balance | 117 |  | 117 |  | 141
Ending balance individually evaluated for impairment | 96 |  | 96 |  |
Ending balance collectively evaluated for impairment | 21 |  | 21 |  | 141
Loan receivables: |  |  |  |  |
Ending balance | 18,198 |  | 18,198 |  | 16,838
Ending balance individually evaluated for impairment | 460 |  | 460 |  |
Ending balance collectively evaluated for impairment | 17,738 |  | 17,738 |  | 16,838
FUSB [Member] | Commercial Real Estate [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  | 2,810 | 4,852 | 4,852
Charge-offs |  |  | (105) |  | (1,329)
Recoveries |  |  | 11 |  | 587
Provision (reduction in reserve) for loan losses |  |  | (609) |  | (1,300)
Ending balance | 2,107 |  | 2,107 |  | 2,810
Ending balance individually evaluated for impairment | 886 |  | 886 |  | 762
Ending balance collectively evaluated for impairment | 1,221 |  | 1,221 |  | 2,048
Loan receivables: |  |  |  |  |
Ending balance | 111,204 |  | 111,204 |  | 135,775
Ending balance individually evaluated for impairment | 6,394 |  | 6,394 |  | 10,509
Ending balance collectively evaluated for impairment | 104,810 |  | 104,810 |  | 125,266
FUSB [Member] | Consumer Loans [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  | 114 | 180 | 180
Charge-offs |  |  | (14) |  | (147)
Recoveries |  |  | 32 |  | 129
Provision (reduction in reserve) for loan losses |  |  | (90) |  | (48)
Ending balance | 42 |  | 42 |  | 114
Ending balance collectively evaluated for impairment | 42 |  | 42 |  | 114
Loan receivables: |  |  |  |  |
Ending balance | 6,910 |  | 6,910 |  | 7,188
Ending balance collectively evaluated for impairment | 6,910 |  | 6,910 |  | 7,188
FUSB [Member] | Residential Real Estate [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  | 421 | 635 | 635
Charge-offs |  |  | (40) |  | (176)
Recoveries |  |  | 27 |  | 51
Provision (reduction in reserve) for loan losses |  |  | (225) |  | (89)
Ending balance | 183 |  | 183 |  | 421
Ending balance collectively evaluated for impairment | 183 |  | 183 |  | 421
Loan receivables: |  |  |  |  |
Ending balance | 30,564 |  | 30,564 |  | 30,795
Ending balance individually evaluated for impairment | 96 |  | 96 |  | 96
Ending balance collectively evaluated for impairment | 30,468 |  | 30,468 |  | 30,699
FUSB [Member] | Other Loans [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  |  | 13 | 13
Recoveries |  |  |  |  | 1
Provision (reduction in reserve) for loan losses |  |  |  |  | (14)
Loan receivables: |  |  |  |  |
Ending balance | 786 |  | 786 |  | 579
Ending balance collectively evaluated for impairment | 786 |  | 786 |  | 579
ALC [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  | 2,682 | 3,124 | 3,124
Charge-offs |  |  | (1,372) |  | (3,089)
Recoveries |  |  | 400 |  | 801
Provision (reduction in reserve) for loan losses |  |  | 849 |  | 1,846
Ending balance | 2,559 |  | 2,559 |  | 2,682
Ending balance collectively evaluated for impairment | 2,559 |  | 2,559 |  | 2,682
Loan receivables: |  |  |  |  |
Ending balance | 92,471 |  | 92,471 |  | 83,142
Ending balance collectively evaluated for impairment | 92,471 |  | 92,471 |  | 83,142
ALC [Member] | Consumer Loans [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  | 2,336 | 2,667 | 2,667
Charge-offs |  |  | (1,229) |  | (2,778)
Recoveries |  |  | 390 |  | 772
Provision (reduction in reserve) for loan losses |  |  | 779 |  | 1,675
Ending balance | 2,276 |  | 2,276 |  | 2,336
Ending balance collectively evaluated for impairment | 2,276 |  | 2,276 |  | 2,336
Loan receivables: |  |  |  |  |
Ending balance | 73,342 |  | 73,342 |  | 61,833
Ending balance collectively evaluated for impairment | 73,342 |  | 73,342 |  | 61,833
ALC [Member] | Residential Real Estate [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  | 346 | 457 | 457
Charge-offs |  |  | (143) |  | (311)
Recoveries |  |  | 10 |  | 29
Provision (reduction in reserve) for loan losses |  |  | 70 |  | 171
Ending balance | 283 |  | 283 |  | 346
Ending balance collectively evaluated for impairment | 283 |  | 283 |  | 346
Loan receivables: |  |  |  |  |
Ending balance | 19,129 |  | 19,129 |  | 21,309
Ending balance collectively evaluated for impairment | 19,129 |  | 19,129 |  | 21,309
FUSB & ALC [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  | 6,168 | 9,396 | 9,396
Charge-offs |  |  | (1,531) |  | (5,030)
Recoveries |  |  | 492 |  | 1,876
Provision (reduction in reserve) for loan losses |  |  | (121) |  | (74)
Ending balance | 5,008 |  | 5,008 |  | 6,168
Ending balance individually evaluated for impairment | 982 |  | 982 |  | 762
Ending balance collectively evaluated for impairment | 4,026 |  | 4,026 |  | 5,406
Loan receivables: |  |  |  |  |
Ending balance | 260,133 |  | 260,133 |  | 274,317
Ending balance individually evaluated for impairment | 6,950 |  | 6,950 |  | 10,605
Ending balance collectively evaluated for impairment | 253,183 |  | 253,183 |  | 263,712
FUSB & ALC [Member] | Commercial and Industrial Loans [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  | 141 | 592 | 592
Charge-offs |  |  |  |  | (289)
Recoveries |  |  | 22 |  | 307
Provision (reduction in reserve) for loan losses |  |  | (46) |  | (469)
Ending balance | 117 |  | 117 |  | 141
Ending balance individually evaluated for impairment | 96 |  | 96 |  |
Ending balance collectively evaluated for impairment | 21 |  | 21 |  | 141
Loan receivables: |  |  |  |  |
Ending balance | 18,198 |  | 18,198 |  | 16,838
Ending balance individually evaluated for impairment | 460 |  | 460 |  |
Ending balance collectively evaluated for impairment | 17,738 |  | 17,738 |  | 16,838
FUSB & ALC [Member] | Commercial Real Estate [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  | 2,810 | 4,852 | 4,852
Charge-offs |  |  | (105) |  | (1,329)
Recoveries |  |  | 11 |  | 587
Provision (reduction in reserve) for loan losses |  |  | (609) |  | (1,300)
Ending balance | 2,107 |  | 2,107 |  | 2,810
Ending balance individually evaluated for impairment | 886 |  | 886 |  | 762
Ending balance collectively evaluated for impairment | 1,221 |  | 1,221 |  | 2,048
Loan receivables: |  |  |  |  |
Ending balance | 111,204 |  | 111,204 |  | 135,775
Ending balance individually evaluated for impairment | 6,394 |  | 6,394 |  | 10,509
Ending balance collectively evaluated for impairment | 104,810 |  | 104,810 |  | 125,266
FUSB & ALC [Member] | Consumer Loans [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  | 2,450 | 2,847 | 2,847
Charge-offs |  |  | (1,243) |  | (2,925)
Recoveries |  |  | 422 |  | 901
Provision (reduction in reserve) for loan losses |  |  | 689 |  | 1,627
Ending balance | 2,318 |  | 2,318 |  | 2,450
Ending balance collectively evaluated for impairment | 2,318 |  | 2,318 |  | 2,450
Loan receivables: |  |  |  |  |
Ending balance | 80,252 |  | 80,252 |  | 69,021
Ending balance collectively evaluated for impairment | 80,252 |  | 80,252 |  | 69,021
FUSB & ALC [Member] | Residential Real Estate [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  | 767 | 1,092 | 1,092
Charge-offs |  |  | (183) |  | (487)
Recoveries |  |  | 37 |  | 80
Provision (reduction in reserve) for loan losses |  |  | (155) |  | 82
Ending balance | 466 |  | 466 |  | 767
Ending balance collectively evaluated for impairment | 466 |  | 466 |  | 767
Loan receivables: |  |  |  |  |
Ending balance | 49,693 |  | 49,693 |  | 52,104
Ending balance individually evaluated for impairment | 96 |  | 96 |  | 96
Ending balance collectively evaluated for impairment | 49,597 |  | 49,597 |  | 52,008
FUSB & ALC [Member] | Other Loans [Member] |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning balance |  |  |  | $ 13 | 13
Recoveries |  |  |  |  | 1
Provision (reduction in reserve) for loan losses |  |  |  |  | (14)
Loan receivables: |  |  |  |  |
Ending balance | 786 |  | 786 |  | 579
Ending balance collectively evaluated for impairment | $ 786 |  | $ 786 |  | $ 579

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