Premises and Equipment - Minimum Annual Rental and Renewal Option Payments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Property Plant And Equipment [Abstract]
Operating, 2014	$ 2,157
Operating, 2015	2,120
Operating, 2016	2,047
Operating, 2017	1,996
Operating, 2018	1,952
Operating, Thereafter	41,481
Operating, Total	51,753
Capital, 2014	76
Capital ,2015	76
Capital, 2016	76
Capital, 2017	76
Capital, 2018	76
Capital, Thereafter	763
Capital, Total	1,143
2014	2,233
2015	2,196
2016	2,123
2017	2,072
2018	2,028
Thereafter	42,244
Total	$ 52,896

Operating and capital leases future minimum payments due.

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Operating and capital leases future minimum payments due in five years.

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Operating and capital leases future minimum payments due in four years.

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Operating and capital leases future minimum payments due in one year.

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Operating and capital leases future minimum payments due in three years.

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Operating and capital leases future minimum payments due in two years.

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Operating and capital leases future minimum payments due thereafter.

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Amount of minimum lease payments for capital leases.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 30

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Amount of minimum lease payments maturing in the next fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the fifth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the forth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the third fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the second fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing after the fifth fiscal year following the latest fiscal year for capital leases.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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-Name Accounting Standards Codification

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Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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