The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 11B
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-Publisher FASB
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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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Allowance for Loan Losses - Summary of Allowance for Loan Losses and Recorded Investments (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	$ 2,235		$ 37
Allowance for Loan Losses, Collectively Evaluated for Impairment	51,558		48,110
Total Allowance for Loan Losses	53,793	$ 52,213	48,147	$ 49,907	$ 48,814	$ 47,911
Portfolio Loans, Individually Evaluated for Impairment	38,059		45,650
Portfolio Loans, Collectively Evaluated for Impairment	5,380,175		4,981,962
Total Portfolio Loans	5,418,234		5,027,612
Commercial and Industrial
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	2,206		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	10,088		10,853
Total Allowance for Loan Losses	12,294	14,771	10,853	12,471	13,308	13,668
Portfolio Loans, Individually Evaluated for Impairment	10,694		14,417
Portfolio Loans, Collectively Evaluated for Impairment	1,333,603		1,242,413
Total Portfolio Loans	1,344,297		1,256,830
Commercial Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	20,393		15,043
Total Allowance for Loan Losses	20,393	15,978	15,043	16,978	19,018	20,164
Portfolio Loans, Individually Evaluated for Impairment	7,589		12,661
Portfolio Loans, Collectively Evaluated for Impairment	2,419,575		2,153,942
Total Portfolio Loans	2,427,164		2,166,603
Commercial Construction
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		3
Allowance for Loan Losses, Collectively Evaluated for Impairment	12,911		12,622
Total Allowance for Loan Losses	12,911	11,701	12,625	11,536	7,671	6,093
Portfolio Loans, Individually Evaluated for Impairment	7,987		11,498
Portfolio Loans, Collectively Evaluated for Impairment	394,137		401,946
Total Portfolio Loans	402,124		413,444
Consumer Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	27		32
Allowance for Loan Losses, Collectively Evaluated for Impairment	6,306		8,368
Total Allowance for Loan Losses	6,333	8,418	8,400	7,016	7,027	6,333
Portfolio Loans, Individually Evaluated for Impairment	11,758		6,961
Portfolio Loans, Collectively Evaluated for Impairment	1,170,603		1,109,835
Total Portfolio Loans	1,182,361		1,116,796
Other Consumer
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	2		2
Allowance for Loan Losses, Collectively Evaluated for Impairment	1,860		1,224
Total Allowance for Loan Losses	1,862	$ 1,345	1,226	$ 1,906	$ 1,790	$ 1,653
Portfolio Loans, Individually Evaluated for Impairment	31		113
Portfolio Loans, Collectively Evaluated for Impairment	62,257		73,826
Total Portfolio Loans	$ 62,288		$ 73,939