v3.8.0.1

Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Operating Loss Carryforwards [Line Items]
Effective income tax rate (as a percent)	37.00%	31.00%	36.00%	35.00%
Deferred income tax asset, net	$ 113,073,000		$ 113,073,000		$ 150,272,000
Valuation allowance	0		0		0
Amount of annual commutative limitation			28,500,000
Unrecognized tax benefits	0		0		0
Uncertain tax positions	0		0		0
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	480,700,000		480,700,000		478,600,000
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 499,300,000		$ 499,300,000		$ 507,000,000

Operating Loss Carryforwards, Annual Cumulative Limitation

+ References

No definition available.

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- Definition

Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
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-Section 50
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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Amount recognized for uncertainty in income taxes classified as current.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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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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Amount of unrecognized tax benefits.

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Capital Bank Financial Corp. 10-Q