Loans and Loans Held for Sale - Composition of Loans (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Composition of the loans
Portfolio loans, net of unearned income	$ 3,836,877	$ 2,892,522
Consumer loans	1,190,735	976,224
Total Portfolio Loans	5,027,612	3,868,746
Loans held for sale	35,321	2,970
Total Loans	5,062,933	3,871,716
Commercial Real Estate
Composition of the loans
Portfolio loans, net of unearned income	2,166,603	1,682,236
Total Portfolio Loans	2,166,603	1,682,236
Total Loans	2,166,603	1,682,236
Commercial and Industrial
Composition of the loans
Portfolio loans, net of unearned income	1,256,830	994,138
Total Portfolio Loans	1,256,830	994,138
Total Loans	1,256,830	994,138
Commercial Construction
Composition of the loans
Portfolio loans, net of unearned income	413,444	216,148
Total Portfolio Loans	413,444	216,148
Total Loans	413,444	216,148
Residential Mortgage
Composition of the loans
Consumer loans	639,372	489,586
Total Loans	639,372	489,586
Home Equity
Composition of the loans
Consumer loans	470,845	418,563
Total Loans	470,845	418,563
Installment and Other Consumer
Composition of the loans
Consumer loans	73,939	65,567
Loans held for sale	23,300
Total Loans	73,939	65,567
Consumer Construction
Composition of the loans
Consumer loans	6,579	2,508
Total Loans	$ 6,579	$ 2,508

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Reflects the aggregate gross carrying amount of all commercial loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on commercial loans and leases.

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Reflects the aggregate gross carrying amount of all consumer loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on consumer loans and leases.

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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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Amount, after allowance for bad debt, of loan receivables held-for-sale that are not part of a disposal group. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

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Amount after allowance and 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. Includes loans held for sale. Excludes loans and leases covered under loss sharing agreements.

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