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v3.3.1.900

Premises and Equipment - Additional Information (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 USD ($) Renewal_Terms Lease | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Property, Plant and Equipment [Line Items] |  |  |
Depreciation on premises and equipment | $ 2,756 | $ 2,659 | $ 2,147
Rental expense, net of rental income | $ 699 | 736 | 490
Sale leaseback transaction, lease term | 17 years |  |
Sale leaseback transaction, number of automatic renewals | Renewal_Terms | 2 |  |
Sale leaseback transaction, two automatic lease renewal, period | 5 years |  |
Sale leaseback transaction, sale of property, amount | $ 1,200 |  |
Sale leaseback transaction, deferred gain | 489 |  |
Sale leaseback transaction, gain recognized | $ 22 | 19 | $ 17
Facilities [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Non cancelable operating leases having remaining term less than one year | Lease | 19 |  |
Vehicles [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Non cancelable operating leases having remaining term less than one year | Lease | 13 |  |
Capital Addition Purchase Commitments [Member] | Worthington, Ohio [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Contractual commitment to construct / remodel the facility | $ 5,948 |  |
Amount of construction completed | 2,006 |  |
Capital Addition Purchase Commitments [Member] | Clearfield, Pennsylvania [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Contractual commitment to construct / remodel the facility |  | $ 9,935 |
Amount of construction completed | 5,658 |  |
Construction in process | $ 4,277 |  |

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