10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE QUARTERLY PERIOD ENDED September 30, 2014

or

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For The Transition Period From                      to                     

Commission file number 000-23377

INTERVEST BANCSHARES CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	13-3699013
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)

One Rockefeller Plaza, Suite 400

New York, New York 10020-2002

(Address of principal executive offices) (Zip Code)

(212) 218-2800

(Registrant’s telephone number, including area code)

Not Applicable

(Former name, former address and former fiscal year, if changed since last report)

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the past 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days:    YES  x    NO  ¨.

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).     YES  x    NO  ¨.

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large Accelerated Filer	¨	Accelerated Filer	x
Non-Accelerated Filer	¨  (Do not check if a smaller reporting company)	Smaller Reporting Company	¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act):    YES  ¨    NO  x.

Indicate number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date:

As of October 31, 2014, there were 22,023,990 shares of common stock, $1.00 par value per share, outstanding.

INTERVEST BANCSHARES CORPORATION AND SUBSIDIARY

September 30, 2014 FORM 10-Q

TABLE OF CONTENTS

PART I. FINANCIAL INFORMATION	Page
Item 1. Financial Statements Financial Statements	3
Condensed Consolidated Balance Sheets at September 30, 2014 (Unaudited) and December 31, 2013	3
Condensed Consolidated Statements of Earnings (Unaudited) for the Quarters and Nine-Months Ended September  30, 2014 and 2013	4
Condensed Consolidated Statements of Comprehensive Income (Unaudited) for the Quarters and Nine-Months Ended September 30, 2014 and 2013	5
Condensed Consolidated Statements of Changes in Stockholders’ Equity (Unaudited) for the Nine-Months Ended September 30, 2014 and 2013	6
Condensed Consolidated Statements of Cash Flows (Unaudited) for the Nine-Months Ended September  30, 2014 and 2013	7
Notes to Condensed Consolidated Financial Statements (Unaudited)	8
Review by Independent Registered Public Accounting Firm	23
Report of Independent Registered Public Accounting Firm	24
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	25
Item 3. Quantitative and Qualitative Disclosures About Market Risk	44
Item 4. Controls and Procedures	44
PART II. OTHER INFORMATION
Item 1. Legal Proceedings	44
Item 1A. Risk Factors	45
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	46
Item 3. Defaults Upon Senior Securities	46
Item 4. Mine Safety Disclosures	46
Item 5. Other Information	46
Item 6. Exhibits	46
Signatures	46
Exhibit Index	47
Certifications	48-50

Private Securities Litigation Reform Act Safe Harbor Statement

Intervest Bancshares Corporation (“IBC”) is the parent company of Intervest National Bank (“INB”). References in this report to “we,” “us” and “our” refer to these entities on a consolidated basis, unless otherwise specified. We are making this statement in order to satisfy the “Safe Harbor” provision contained in the Private Securities Litigation Reform Act of 1995. The statements contained in this report on Form 10-Q, including without limitation statements contained in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Item 2 of this report, that are not statements of historical fact may include forward-looking statements that involve a number of risks and uncertainties. Words such as “may,” “will,” “could,” “should,” “would,” “believe,” “anticipate,” “estimate,” “expect,” “intend,” “plan,” “project,” “assume,” “indicate,” “continue,” “target,” “goal,” “objective,” and similar words or expressions of the future are intended to identify forward-looking statements. Except for historical information, the matters discussed herein are subject to certain risks and uncertainties that may adversely affect our business, financial condition and results of operations.

The following factors, among others, could cause actual results to differ materially from those set forth in forward looking statements: changes in economic conditions and real estate values both nationally and in our market areas; changes in our volume of loan originations, deposit flows and borrowing facilities; changes in the levels of our non-interest income and provisions for loan and real estate losses; changes in the composition and credit quality of our loan portfolio; legislative or regulatory changes, including increased expenses arising therefrom; changes in interest rates which may reduce our net interest margin and net interest income; increases in competition; technological changes which we may not be able to implement; changes in accounting or regulatory principles, policies or guidelines; changes in tax laws and our ability to utilize our deferred tax asset, including NOL carry forwards; our ability to attract and retain key members of management; our ability to consummate the proposed merger with Bank of the Ozarks, Inc. (“Ozarks”); our and Ozarks’ ability to satisfy the conditions to the completion of the proposed merger, including the receipt of approval of our stockholders and the receipt of requisite regulatory approvals in a timely manner and without burdensome conditions; our and Ozarks’ ability to meet expectations regarding the timing, completion and accounting and tax treatments of the merger; the impact of the proposed merger on our business operations pending consummation or termination thereof; and the outcome of any legal proceedings that have been, or may be, instituted against us and others relating to the proposed merger, the merger agreement or the transactions contemplated thereby.

Reference is made to our filings with the Securities and Exchange Commission for further discussion of risks and uncertainties regarding our business. Historical results are not necessarily indicative of our future prospects. Our risk factors are disclosed in Item 1A of Part I of our Annual Report on Form 10-K and updated as needed in Item 1A of Part II of our reports on Form 10-Q. Forward looking statements speak only as of the date they are made. We undertake no obligation to publicly update or revise forward looking information, whether as a result of new, updated information, future events, or otherwise.

2

PART 1. FINANCIAL INFORMATION - ITEM 1. Financial Statements

Intervest Bancshares Corporation and Subsidiary

Condensed Consolidated Balance Sheets

($ in thousands, except par value)	At Sep 30, 2014			At Dec 31, 2013
	(Unaudited)			(Audited)
ASSETS
Cash and due from banks	$	10,249		$	16,689
Federal funds sold and other short-term investments		1,234			8,011
Total cash and cash equivalents		11,483			24,700
Time deposits with banks		4,620			5,370
Securities available for sale, at estimated fair value		305,347			965
Securities held to maturity (estimated fair value of $378,507)		—			383,937
Federal Reserve Bank and Federal Home Loan Bank stock, at cost		7,715			8,244
Loans receivable (net of allowance for loan losses of $26,634 and $27,833, respectively)		1,148,635			1,099,689
Accrued interest receivable		4,665			4,861
Loan fees receivable		2,224			2,298
Premises and equipment, net		4,428			4,056
Foreclosed real estate (net of valuation allowance of $390 and $2,017, respectively)		2,650			10,669
Deferred income tax asset		15,229			18,362
Other assets		4,207			4,645
Total assets	$	1,511,203		$	1,567,796
LIABILITIES
Deposits:
Noninterest-bearing demand deposit accounts	$	6,390		$	5,211
Interest-bearing deposit accounts:
Checking (NOW) accounts		17,505			17,831
Savings accounts		10,382			10,027
Money market accounts		338,999			367,384
Certificate of deposit accounts		841,048			881,779
Total deposit accounts		1,214,324			1,282,232
Long-term debt - subordinated debentures (capital securities)		56,702			56,702
Accrued interest payable on long term debt		56			868
Accrued interest payable on deposits		850			1,508
Mortgage escrow funds payable		27,531			18,879
Official checks outstanding		3,943			7,335
Other liabilities		1,918			3,281
Total liabilities		1,305,324			1,370,805
STOCKHOLDERS’ EQUITY
Common stock ($1.00 par value; 62,000,000 shares authorized; 22,023,990 and 21,918,623 shares issued and outstanding, respectively)		22,024			21,919
Additional paid-in-capital, common		86,123			88,043
Unearned compensation on restricted common stock awards		(1,597	)		(1,898	)
Retained earnings		100,517			88,959
Accumulated other comprehensive loss		(1,188	)		(32	)
Total stockholders’ equity		205,879			196,991
Total liabilities and stockholders’ equity	$	1,511,203		$	1,567,796

See accompanying notes to condensed consolidated financial statements.

3

Intervest Bancshares Corporation and Subsidiary

Condensed Consolidated Statements of Earnings

(Unaudited)

	Quarter Ended September 30,					Nine-Months Ended September 30,
($ in thousands, except per share data)	2014		2013			2014			2013
INTEREST AND DIVIDEND INCOME
Loans receivable	$	14,760	$	14,486		$	43,961		$	44,230
Securities		1,141		1,121			3,486			3,213
Other interest-earning assets		15		17			48			53
Total interest and dividend income		15,916		15,624			47,495			47,496
INTEREST EXPENSE
Deposits		4,530		6,392			14,209			19,810
Subordinated debentures - capital securities		396		402			1,182			1,277
Total interest expense		4,926		6,794			15,391			21,087
Net interest and dividend income		10,990		8,830			32,104			26,409
Provision (credit) for loan losses		—		250			(1,500	)		(1,500	)
Net interest and dividend income after provision (credit) for loan losses		10,990		8,580			33,604			27,909
NONINTEREST INCOME
Income from the early repayment of mortgage loans		432		619			2,961			1,909
Income from mortgage lending activities		277		455			869			1,112
Customer service fees		104		100			310			289
Gains from sales of securities available for sale		196		—			196			—
Impairment writedowns on investment securities		—		(273	)		—			(964	)
Total noninterest income		1,009		901			4,336			2,346
NONINTEREST EXPENSES
Salaries and employee benefits		1,963		1,852			6,105			5,663
Stock compensation for employees and directors		278		229			1,052			731
Occupancy and equipment, net		540		554			1,627			1,632
Data processing		107		97			317			271
Professional fees and services		1,113		327			1,773			1,095
Stationery, printing, supplies, postage and delivery		50		61			211			207
FDIC insurance		192		318			717			1,129
General insurance		150		153			447			455
Director and committee fees		97		85			342			272
Advertising and promotion		7		7			33			17
Real estate activities expense (income), net		117		212			616			(1,120	)
Provision for real estate losses		—		250			—			955
All other		117		179			488			482
Total noninterest expenses		4,731		4,324			13,728			11,789
Earnings before provision for income taxes		7,268		5,157			24,212			18,466
Provision for income taxes		3,088		2,300			10,452			8,179
Net earnings		4,180		2,857			13,760			10,287
Preferred stock dividend requirements and discount amortization		—		(269	)		—			(1,057	)
Net earnings available to common stockholders	$	4,180	$	2,588		$	13,760		$	9,230
Basic earnings per common share	$	0.19	$	0.12		$	0.62		$	0.42
Diluted earnings per common share	$	0.19	$	0.12		$	0.62		$	0.42
Cash dividends per common share	$	0.05	$	—		$	0.10		$	—

See accompanying notes to condensed consolidated financial statements.

4

Intervest Bancshares Corporation and Subsidiary

Condensed Consolidated Statements of Comprehensive Income

(Unaudited)

	Quarter Ended September 30,					Nine-Months Ended September 30,
($ in thousands)	2014			2013		2014			2013
Net earnings	$	4,180		$	2,857	$	13,760		$	10,287
Other comprehensive loss:
Securities available for sale:
Net unrealized loss arising from transfer from held to maturity		(2,201	)		—		(2,201	)		—
Net unrealized holding gain arising during the period		343			—		360			—
Reclassification for net gain on sales included in net income		(196	)		—		(196	)		—
Net unrealized loss on securities available for sale		(2,054	)		—		(2,037	)		—
Benefit for income taxes related to net unrealized loss		888			—		881			—
Other comprehensive loss, net of tax		(1,166	)		—		(1,156	)		—
Total comprehensive income	$	3,014		$	2,857	$	12,604		$	10,287

See accompanying notes to condensed consolidated financial statements.

5

Intervest Bancshares Corporation and Subsidiary

Condensed Consolidated Statements of Changes in Stockholders’ Equity

(Unaudited)

	Nine-Months Ended September 30,
	2014						2013
($ in thousands)	Shares			Amount			Shares			Amount
PREFERRED STOCK
Balance at beginning of period				$	—			25,000		$	25
Redemption					—			(25,000	)		(25	)
Balance at end of period					—			—			—
ADDITIONAL PAID-IN-CAPITAL, PREFERRED
Balance at beginning of period					—						24,975
Redemption					—						(24,975	)
Balance at end of period					—						—
PREFERRED STOCK DISCOUNT
Balance at beginning of period					—						(376	)
Amortization of preferred stock discount					—						376
Balance at end of period					—						—
COMMON STOCK
Balance at beginning of period		21,918,623			21,919			21,589,589			21,590
Issuance of shares of restricted stock		92,000			92			330,700			331
Issuance of shares upon exercise of stock options		16,667			16			14,967			15
Forfeiture of shares of restricted stock		(3,300	)		(3	)		(18,633	)		(19	)
Balance at end of period		22,023,990			22,024			21,916,623			21,917
ADDITIONAL PAID-IN-CAPITAL, COMMON
Balance at beginning of period					88,043						85,726
Issuance of shares of restricted stock					612						1,157
Issuance of shares upon exercise of stock options					37						39
Forfeiture of shares of restricted stock					(11	)					(40	)
Excess income tax benefit from equity awards					318						150
Compensation expense related to stock options					16						34
Repurchase and cancelation of stock warrant					(2,892	)					—
Balance at end of period					86,123						87,066
UNEARNED COMPENSATION - RESTRICTED STOCK
Balance at beginning of period					(1,898	)					(715	)
Issuance of 92,000 and 465,400 shares of restricted stock					(704	)					(1,488	)
Amortization of unearned compensation to compensation expense					1,005						756
Balance at end of period					(1,597	)					(1,447	)
RETAINED EARNINGS
Balance at beginning of period					88,959						79,722
Net earnings					13,760						10,287
Cash dividends declared and paid on common stock					(2,202	)					—
Cash dividends declared and paid on preferred stock					—						(5,068	)
Discount from redemption of preferred stock					—						187
Preferred stock discount amortization					—						(376	)
Balance at end of period					100,517						84,752
ACCUMULATED OTHER COMPREHENSIVE LOSS
Balance at beginning of period					(32	)					—
Net change in accumulated other comprehensive loss					(1,156	)					—
Balance at end of period					(1,188	)					—
Total stockholders’ equity at end of period		22,023,990		$	205,879			21,916,623		$	192,288

See accompanying notes to condensed consolidated financial statements.

6

Intervest Bancshares Corporation and Subsidiary

Condensed Consolidated Statements of Cash Flows

(Unaudited)

	Nine-Months Ended September 30,
($ in thousands)	2014			2013
OPERATING ACTIVITIES
Net earnings	$	13,760		$	10,287
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization		218			258
Credit for loan losses		(1,500	)		(1,500	)
Provision for real estate losses		—			955
Deferred income tax expense		4,014			7,460
Stock compensation expense		1,052			731
Amortization of deferred debenture offering costs		28			28
Amortization of premiums (accretion) of discounts and deferred loan fees, net		(313	)		610
Net gain from sales of securities available for sale		(196	)		—
Net gain from sales of foreclosed real estate		(203	)		(820	)
Impairment writedowns on investment securities		—			964
Net decrease in loan fees receivable		74			597
Net decrease in accrued interest payable on borrowed funds		(812	)		(5,765	)
Net decrease in official checks outstanding		(3,392	)		(1,779	)
Net change in all other assets and liabilities		(114	)		7,716
Net cash provided by operating activities		12,616			19,742
INVESTING ACTIVITIES
Repayments of securities held to maturity		66,394			99,705
Purchases of securities held to maturity		(34,752	)		(75,051	)
Repayments of securities available for sale		8,841			—
Purchases of securities available for sale		(1,046	)		(16	)
Proceeds from sales of securities available for sale		37,384			—
Repayments (purchases) of interest-earning time deposits with banks		750			(200	)
Purchases of FRB and FHLB stock, net		529			(86	)
(Originations) repayments of loans receivable, net		(47,586	)		7,337
Proceeds from sales of foreclosed real estate		8,222			3,569
Purchases of premises and equipment, net		(590	)		(509	)
Net cash provided by investing activities		38,146			34,749
FINANCING ACTIVITIES
Net decrease in deposits		(67,908	)		(64,216	)
Net increase in mortgage escrow funds payable		8,652			9,260
Redemption of preferred stock		—			(24,813	)
Repurchase of common stock warrant from U.S. Treasury		(2,892	)		—
Cash dividends paid to common stockholders		(2,202	)		—
Cash dividends paid to preferred stockholders		—			(5,068	)
Proceeds from issuance of common stock upon exercise of stock options		53			54
Excess income tax benefit from exercise of options and vesting of restricted stock		318			150
Net cash used in financing activities		(63,979	)		(84,633	)
Net decrease in cash and cash equivalents		(13,217	)		(30,142	)
Cash and cash equivalents at beginning of period		24,700			60,395
Cash and cash equivalents at end of period	$	11,483		$	30,253
SUPPLEMENTAL DISCLOSURES
Cash paid for interest	$	16,833		$	27,805
Cash paid for income taxes		5,855			900
Securities held to maturity transferred to available for sale		351,587			—
Net change in unrealized loss on securities available for sale		(1,156	)		—
Loans transferred to foreclosed real estate		—			3,040
Loans originated to finance sales of foreclosed real estate		—			3,240
Preferred stock dividend requirements and amortization of related discount		—			1,057

See accompanying notes to condensed consolidated financial statements.

7

Intervest Bancshares Corporation and Subsidiary

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 1 – Description of Business and Summary of Significant Accounting Policies

General

Intervest Bancshares Corporation (“IBC”) is the parent company of Intervest National Bank (“INB”). References in this report to “we,” “us” and “our” refer to these entities on a consolidated basis, unless otherwise specified. For a description of our business, see note 1 to the financial statements in our 2013 Annual Report on Form 10-K (“2013 10-K”). Our accounting and reporting policies conform to U.S. generally accepted accounting principles (GAAP) and general practices within the banking industry and are described in note 1 to the financial statements in our 2013 10-K, as updated by the information in this Form 10-Q.

Proposed Merger

On July 31, 2014, IBC and INB entered into a definitive agreement and plan of merger (the “Merger Agreement”) with Bank of the Ozarks, Inc. (“Ozarks”) and its wholly-owned bank subsidiary, Bank of the Ozarks, relating to a proposed merger transaction. The Merger Agreement provides that, upon the terms and subject to the conditions set forth therein, (i) IBC will merge with and into Ozarks, with Ozarks continuing as the surviving corporation (the “Merger”), and (ii) INB will merge with and into Bank of the Ozarks, with Bank of the Ozarks continuing as the surviving bank (the “Bank Merger” and, collectively with the “Merger,” the “Mergers”).

Subject to the terms and conditions of the Merger Agreement, upon completion of the Merger, each share of IBC’s common stock, issued and outstanding immediately prior to the effective time of the Merger will be converted into the right to receive shares of Ozarks common stock (plus cash in lieu of any fractional share) based on the purchase price of $228.5 million (less the amount paid by IBC to cash out outstanding stock options and stock appreciation rights and to redeem all outstanding stock warrants prior to closing), subject to certain additional purchase price adjustments set forth in the Merger Agreement. The number of Ozarks shares to be issued will be determined based on Ozarks’ 10-day average closing stock price as of the fifth business day prior to the closing date, subject to a minimum and maximum price of $23.95 and $39.91, respectively.

It is a condition of the Merger that all IBC stock options and stock appreciation rights, whether or not vested, will be cashed out by IBC prior to closing and shares of restricted stock will become fully vested. The foregoing description of the Merger Agreement does not purport to be complete and is qualified in its entirety by reference to the complete text of the Merger Agreement, which was filed as Exhibit 2.1 to IBC’s Current Report on Form 8-K, filed on July 31, 2014.

The Merger Agreement has been approved by the boards of directors of each of IBC and Ozarks. Subject to the required approval of IBC’s stockholders, requisite regulatory approvals, the effectiveness of the registration statement filed by Ozarks with respect to the stock to be issued in this transaction, and other customary closing conditions, the Merger is expected to be completed by the end of the first quarter of 2015. See note 11 for a discussion of certain litigation in connection with this Merger.

Principles of Consolidation and Basis of Presentation

The condensed consolidated financial statements (“financial statements”) in this report have not been audited except for information derived from our audited 2013 consolidated financial statements and notes thereto and should be read in conjunction with our 2013 10-K. Certain information and note disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted in this report pursuant to the rules and regulations of the Securities and Exchange Commission.

Use of Estimates

In preparing our financial statements, we are required to make estimates and assumptions that affect the reported amounts of assets, liabilities and disclosure of contingent liabilities as of the date of the financial statements, and revenues and expenses during the reporting periods. Actual results could differ from those estimates. Estimates that are particularly susceptible to significant change currently relate to the determination of our allowance for loan losses and valuation allowance for real estate losses. These estimates involve a higher degree of complexity and subjectivity and may require assumptions about highly uncertain matters. Current market conditions increase the risk and complexity of the judgments in these estimates. In our opinion, all material adjustments necessary for a fair presentation of our financial condition and results of operations for the interim periods presented in this report have been made. These adjustments are of a normal recurring nature.

8

Intervest Bancshares Corporation and Subsidiary

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 1 – Description of Business and Summary of Significant Accounting Policies, Continued

All significant intercompany balances and transactions have been eliminated in consolidation. Our results of operations for the interim periods are not necessarily indicative of results that may be expected for the entire year or any other interim period.

Stock-Based Compensation

We recognize the cost of our employee and director services received in exchange for awards of our equity instruments (which are in the form of restricted stock, stock options and cash-settled stock appreciation rights or “SARs”) that vest over time based on the grant-date fair value of the awards. The fair value of restricted stock grants is based on the closing market value of our common stock as reported on the Nasdaq Stock Market on the grant date. The fair value of options and SARs is estimated using the Black-Scholes option-pricing model based on various inputs and assumptions that are described in note 9. Compensation cost, or the grant-date fair value of the awards, related to equity awards is recognized on a straight-line basis over the requisite service period, which is normally the vesting period of the grants.

For SARs only, fair value is re-measured at the end of each reporting period and amortized as compensation cost over the remaining requisite service period less amounts previously recognized. The SARs represent liability-classified awards that are remeasured to reflect their fair value at each reporting period. After the requisite service period is completed, the SAR’s fair value continues to be remeasured each reporting period until settlement and any increase/decrease in the fair value is immediately recognized as an increase/decrease to our reported stock compensation expense. Upon cash-settlement of a SAR, stock compensation expense is trued-up to equal the SAR’s intrinsic cash value on the date of settlement.

Stock-based compensation associated with equity awards is recorded as stock compensation expense in the statement of earnings and a corresponding increase to stockholders’ equity as additional paid-in capital for amounts related to restricted stock and stock options, and corresponding increase to accrued stock compensation payable for amounts related to the SARs, which is reported as part of our “other liabilities” in our balance sheet.

For any excess income tax benefit associated with the vesting of restricted common stock awards and the exercise of stock option awards (calculated as the difference between the fair market value of the stock at the vesting date versus the grant date in the case of stock awards and the difference between the fair market value of the stock at the exercise date versus the exercise price per share in the case of options, multiplied by our effective income tax rate) is recorded as decrease to our income taxes payable and an increase in stockholders’ equity as paid-in capital.

Recent Accounting Standards Update

In February 2013, the FASB Issued ASU No. 2013-04, “Obligations Resulting from Joint and Several Liability Arrangements for Which the Total Amount of the Obligation Is Fixed at the Reporting Date”. ASU 2013-04 provides guidance for the recognition, measurement, and disclosure of obligations resulting from joint and several liability arrangements for obligations within the scope of this ASU. We adopted this ASU on January 1, 2014 and it had no impact on our financial statements.

In July 2013, the FASB issued ASU 2013-11, “Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists,” which among other things, requires an unrecognized tax benefit, or a portion of an unrecognized tax benefit, to be presented in the financial statements as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward, except as denoted within the ASU. The amendments in this ASU are effective for fiscal years, and interim periods within those years, beginning after December 15, 2013. We adopted this ASU on January 1, 2014 and it had no impact on our financial statements.

9

Intervest Bancshares Corporation and Subsidiary

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 1 – Description of Business and Summary of Significant Accounting Policies, Continued

In January 2014, the FASB issued ASU 2014-04, “Receivables-Troubled Debt Restructurings by Creditors (Subtopic 310-40): Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure”, which is intended to clarify when a creditor should be considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan such that the loan should be derecognized and the real estate recognized. These amendments clarify that an in substance repossession or foreclosure occurs, and a creditor is considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan, upon either: (a) the creditor obtaining legal title to the residential real estate property upon completion of a foreclosure; or (b) the borrower conveying all interest in the residential real estate property to the creditor to satisfy that loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Additional disclosures are required. The amendments are effective for us beginning January 1, 2015.

In June 2014, FASB issued ASU 2014-11, “Transfers and Servicing – Repurchase-to-Maturity Transactions, Repurchase Financings, and Disclosures.” ASU 2014-11 requires, among other things, two accounting changes. First, the amendments in this update change the accounting for repurchase-to-maturity transactions to secured borrowing accounting. Second, for repurchase financing arrangements, the amendments require separate accounting for a transfer of a financial asset executed contemporaneously with a repurchase agreement with the same counterparty, which will result in secured borrowing accounting for the repurchase agreement. ASU 2014-11 is effective for the first interim or annual period beginning after December 15, 2014. The adoption of this guidance is not expected to have any impact on our financial statements.

In June 2014, FASB issued ASU 2014-12, “Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period.” ASU 2014-12 requires, among other things, that a performance target that affects vesting and could be achieved after the requisite service period be treated as a performance condition. As such, the performance target should not be reflected in estimating the grant-date fair value of the award. ASU 2014-12 is effective for annual reporting periods beginning after December 15, 2015, with early adoption permitted. The adoption of this guidance is not expected to have any impact on our financial statements.

10

Intervest Bancshares Corporation and Subsidiary

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 2 – Securities Held to Maturity and Available for Sale

During the quarter ended September 30, 2014, INB’s entire portfolio of securities held to maturity (with a then carrying value of $351.6 million and estimated fair value of $349.4 million) was transferred to the available-for-sale category in order to provide additional flexibility in executing INB’s asset and liability management strategies. At September 30, 2014, we had no securities classified as held to maturity. Due to this transfer, INB cannot classify its securities as held to maturity until after September 2016.

The carrying value (estimated fair value) and amortized cost of securities available for sale are as follows as of the dates indicated:

($ in thousands)	Number of Securities		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Wtd-Avg Yield			Wtd-Avg Expected Life		Wtd-Avg Remaining Maturity
At September 30, 2014
U.S. government agencies (1)		125	$	226,361	$	15	$	2,244	$	224,132		1.00	%		2.9 Yrs		3.5 Yrs
Residential mortgage-backed (2)		70		79,512		524		346		79,690		1.90	%		4.5 Yrs		13.1 Yrs
State and municipal		1		530		—		1		529		1.25	%		2.5 Yrs		2.5 Yrs
		196		306,403		539		2,591		304,351		1.23	%		3.3 Yrs		6.0 Yrs
Mutual fund investment (3)		1		1,038		—		42		996
		197	$	307,441	$	539	$	2,633	$	305,347
At December 31, 2013
Mutual fund investment (3)		1	$	1,021		—	$	56	$	965

The carrying value (amortized cost) and estimated fair value of securities held to maturity are as follows:

($ in thousands)	Number of Securities		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Wtd-Avg Yield			Wtd-Avg Expected Life		Wtd-Avg Remaining Maturity
At December 31, 2013
U.S. government agencies (1)		161	$	305,906	$	410	$	4,947	$	301,369		0.94	%		3.0 Yrs		3.8 Yrs
Residential mortgage-backed (2)		57		77,500		130		1,017		76,613		1.79	%		4.3 Yrs		14.7 Yrs
State and municipal		1		531		—		6		525		1.25	%		3.2 Yrs		3.3 Yrs
		219	$	383,937	$	540	$	5,970	$	378,507		1.11	%		3.3 Yrs		6.0 Yrs

(1) Consist of debt obligations of U.S. government sponsored agencies (GSEs) – Federal Home Loan Bank (FHLB), Federal Farm Credit Bank (FFCB), Federal National Mortgage Association (FNMA) and Federal Home Loan Mortgage Corporation (FHLMC), which are federally chartered corporations privately owned by shareholders. GSE securities carry no explicit U.S. government guarantee of creditworthiness. Neither principal nor interest payments are guaranteed by the U.S. government nor do they constitute a debt or obligation of the U.S. government or any of its agencies or instrumentalities other than the applicable GSE. FNMA and FHLMC are under U.S. government conservatorship.

(2) At September 30, 2014, the portfolio consisted of $11.2 million of Government National Mortgage Association (GNMA) residential pass-through certificates and $68.5 million of residential participation certificates issued by FNMA or FHLMC, compared to $13.6 million and $63.9 million, respectively, at December 31, 2013. The GNMA pass-through certificates are guaranteed as to the payment of principal and interest by the full faith and credit of the U.S. government while the FNMA and FHLMC certificates have an implied guarantee by such agency as to principal and interest payments. Included in this line item are investments in FNMA Delegated Underwriting and Servicing (DUS) mortgage-backed securities (of approximately $16 million at September 30, 2014 and $7.0 million at December 31, 2013) that are backed by eligible multifamily pools that typically contain one loan or single purpose entity.

(3) The investment represented approximately 93,342 shares at September 30, 2014 and 91,683 shares at December 31, 2013, of an intermediate bond fund that holds securities that are deemed to be qualified under the Community Reinvestment Act.

The estimated fair values of debt securities with gross unrealized losses segregated between securities that have been in a continuous unrealized loss position for less than twelve months at the respective dates and those that have been in a continuous unrealized loss position for twelve months or longer are summarized as follows:

($ in thousands)			Less Than Twelve Months				Twelve Months or Longer				Total
	Number of Securities		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses
At September 30, 2014
U.S. government agencies		115	$	49,161	$	139	$	158,382	$	2,105	$	207,543	$	2,244
Residential mortgage-backed		33		15,210		78		20,333		268		35,543		346
State and municipal		1		529		1		—		—		529		1
		149	$	64,900	$	218	$	178,715	$	2,373	$	243,615	$	2,591
At December 31, 2013
U.S. government agencies		130	$	233,930	$	4,791	$	7,344	$	156	$	241,274	$	4,947
Residential mortgage-backed		41		48,862		987		3,284		30		52,146		1,017
State and municipal		1		525		6		—		—		525		6
		172	$	283,317	$	5,784	$	10,628	$	186	$	293,945	$	5,970

11

Intervest Bancshares Corporation and Subsidiary

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 2 – Securities Held to Maturity and Available for Sale, Continued

All of our investments in debt securities were investment grade rated. The securities had either fixed interest rates or had predetermined scheduled interest rate increases and nearly all had call or prepayment features that allow the issuer to repay all or a portion of the security at par before its stated maturity without penalty. In general, as interest rates rise, the estimated fair value of fixed-rate securities will decrease; as interest rates fall, their value will increase. We generally view changes in fair value caused by changes in interest rates as temporary, which is consistent with our experience. The estimated fair values of securities disclosed in this footnote were obtained from a third-party pricing service that used Level 2 inputs for debt securities and Level 1 inputs for equity securities.

The following table is a summary of our investments in debt securities at September 30, 2014, by remaining period to contractual maturity (ignoring earlier call dates, if any). The amounts reported in the table also did not consider the effects of possible prepayments or unscheduled repayments. Accordingly, actual maturities may differ from contractual maturities shown in the table.

($ in thousands)	Amortized Cost		Estimated Fair Value		Wtd-Avg Yield
Due in one year or less	$	—	$	—		—	%
Due after one year through five years		215,795		213,891		0.99
Due after five years through ten years		42,390		42,053		1.68
Due after ten years		48,218		48,407		1.94
	$	306,403	$	304,351		1.23	%

The table below provides a cumulative roll forward of credit losses recognized on securities held to maturity for the periods indicated.

	Quarter Ended September 30,				Nine-Months Ended September 30,
($ in thousands)	2014		2013		2014		2013
Balance at beginning of period	$	—	$	4,924	$	—	$	4,233
Additional credit losses on debt securities for which OTTI was previously recognized		—		273		—		964
Balance at end of period	$	—	$	5,197	$	—	$	5,197

During the quarter ended September 30, 2014, proceeds from sales of securities available for sale totaled $37.4 million, resulting in a net realized gain totaling $0.2 million. See note 15 for additional information on sales.

Note 3 – Loans Receivable

Major classifications of loans receivable are summarized as follows:

	At September 30, 2014					At December 31, 2013
($ in thousands)	# of Loans		Amount			# of Loans		Amount
Loans Secured By Real Estate:
Commercial loans		426	$	908,697			394	$	838,766
Multifamily loans		137		200,251			138		210,270
One to four family loans		17		59,472			20		72,064
Land loans		6		9,875			5		9,178
		586		1,178,295			557		1,130,278
All Other Loans:
Business loans		18		1,004			19		1,061
Consumer loans		7		138			12		211
		25		1,142			31		1,272
Loans receivable, gross		611		1,179,437			588		1,131,550
Deferred loan fees				(4,168	)				(4,028	)
Loans receivable, net of deferred fees				1,175,269					1,127,522
Allowance for loan losses				(26,634	)				(27,833	)
Loans receivable, net			$	1,148,635				$	1,099,689

Loans 90 days past due and still accruing interest – At September 30, 2014, there were two loans 90 days past due and still accruing totaling $4.0 million, compared to three loans totaling $4.1 million at December 31, 2013.

Loans on nonaccrual status – At September 30, 2014 and December 31, 2013, there were $22.5 million and $35.9 million of loans, respectively, on nonaccrual status, which included restructured loans (or “TDRs”) of $19.9 million and $33.2 million, respectively. All nonaccrual loans were considered impaired loans.

12

Intervest Bancshares Corporation and Subsidiary

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 3 – Loans Receivable, Continued

TDRs on accrual status - At September 30, 2014 and December 31, 2013, there were $24.7 million and $13.4 million of TDR loans, respectively, classified as accruing TDRs. All of these TDR loans were considered impaired loans.

Other impaired loans - At September 30, 2014 and December 31, 2013, there was one performing and accruing loan of $7.7 million that was also classified as impaired.

The tables below summarize certain information regarding our impaired loans as follows:

($ in thousands)	Recorded Investment by State (1)																Specific Valuation Allowance (2)		Total Unpaid Principal (3)		# of Loans
At September 30, 2014 Type	NY		FL		VA		GA		CT		OH		SD		Total
Retail	$	8,106	$	9,005	$	7,677	$	—	$	2,665	$	—	$	—	$	27,453	$	2,456	$	31,150		6
Office Building		—		14,220		—		8,608		—		—		—		22,828		1,913		22,915		3
Multifamily		—		3,104		—		—		—		—		—		3,104		590		3,104		2
Land		—		—		—		—		—		—		1,520		1,520		156		1,520		1
Totals	$	8,106	$	26,329	$	7,677	$	8,608	$	2,665	$	—	$	1,520	$	54,905	$	5,115	$	58,689		12
($ in thousands)	Recorded Investment by State (1)																Specific Valuation Allowance (2)		Total Unpaid Principal (3)		# of Loans
At December 31, 2013 Type	NY		FL		VA		GA		CT		OH		SD		Total
Retail	$	8,223	$	9,005	$	7,828	$	—	$	2,719	$	1,000	$	—	$	28,775	$	3,052	$	36,216		7
Office Building		—		14,937		—		8,695		—		—		—		23,632		1,947		23,632		3
Multifamily		—		3,128		—		—		—		—		—		3,128		594		3,128		2
Land		—		—		—		—		—		—		1,625		1,625		500		1,625		1
Totals	$	8,223	$	27,070	$	7,828	$	8,695	$	2,719	$	1,000	$	1,625	$	57,160	$	6,093	$	64,601		13

(1) Represents unpaid principal less partial principal charge offs and interest received and applied as a reduction of principal in certain cases.

(2) Represents a specific valuation allowance against the recorded investment, which is included as part of our overall allowance for loan losses. All impaired loans at the dates indicated in the table had a specific valuation allowance.

(3) Represents contractual unpaid principal balance (shown for informational purposes only). The borrowers are obligated to pay such amounts. However, the ultimate collection by us of such amounts is not assured.

Other information related to our impaired loans is summarized as follows:

	Quarter Ended September 30,				Nine-Months Ended September 30,
($ in thousands)	2014		2013		2014		2013
Average recorded investment in nonaccrual loans	$	21,551	$	39,159	$	30,784	$	41,039
Total cash basis interest income recognized on nonaccrual loans		304		521		1,281		1,729
Average recorded investment in accruing TDR loans		26,451		11,423		18,864		14,482
Total interest income recognized on accruing TDR loans under modified terms		226		152		626		581

Age analysis of our loan portfolio by segment at September 30, 2014 is summarized as follows:

($ in thousands)	Total Portfolio		Current		Past Due 31-59 Days		Past Due 60-89 Days		Past Due 90 or more Days		Total Past Due
Accruing Loans:
Commercial real estate	$	888,420	$	886,078	$	—	$	378	$	1,963	$	2,341
Multifamily		197,990		192,635		—		3,353		2,002		5,355
One to four family		59,472		59,472		—		—		—		—
Land		9,875		9,875		—		—		—		—
All other		1,142		1,142		—		—		—		—
Total accruing loans		1,156,899		1,149,202		—		3,731		3,965		7,696
Nonaccrual Loans (1):
Commercial real estate		20,277		13,292		—		4,320		2,665		6,985
Multifamily		2,261		2,261		—		—		—
Total nonaccrual loans		22,538		15,553		—		4,320		2,665		6,985
Total loans	$	1,179,437	$	1,164,755	$	—	$	8,051	$	6,630	$	14,681

(1) The amount of nonaccrual loans in the current column included $19.9 million of TDRs for which payments were being made in accordance with their restructured terms, but the loans were maintained on nonaccrual status in accordance with regulatory guidance. The remaining portion was comprised of one performing and paying loan classified nonaccrual due to concerns regarding the borrower’s ability to continue making payments. Interest income from loan payments received on loans in nonaccrual status is recognized on a cash basis, provided the remaining principal balance is deemed collectible.

13

Intervest Bancshares Corporation and Subsidiary

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 3 – Loans Receivable, Continued

Age analysis of our loan portfolio by segment at December 31, 2013 is summarized as follows:

($ in thousands)	Total Portfolio		Current		Past Due 31-59 Days		Past Due 60-89 Days		Past Due 90 or more Days		Total Past Due
Accruing Loans:
Commercial real estate	$	802,863	$	796,980	$	1,796	$	—	$	4,087	$	5,883
Multifamily		210,270		209,426		844		—		—		844
One to four family		72,064		72,064		—		—		—		—
Land		9,178		9,178		—		—		—		—
All other		1,272		1,271		1		—		—		1
Total accruing loans		1,095,647		1,088,919		2,641		—		4,087		6,728
Nonaccrual Loans (1):
Commercial real estate		35,903		35,903		—		—		—		—
Total loans	$	1,131,550	$	1,124,822	$	2,641	$	—	$	4,087	$	6,728

(1) The amount of nonaccrual loans in the current column included $33.2 million of TDRs for which payments were being made in accordance with their restructured terms, but the loans were maintained on nonaccrual status in accordance with regulatory guidance. The remaining portion was comprised of certain paying loans classified nonaccrual due to concerns regarding the borrowers’ ability to continue making payments. Interest income from loan payments received on loans in nonaccrual status is recognized on a cash basis, provided the remaining principal balance is deemed collectible.

Information regarding the credit quality of the loan portfolio based on our internally assigned grades follows:

($ in thousands)	Pass		Special Mention		Substandard (1)		Total
At September 30, 2014
Commercial real estate	$	853,979	$	2,236	$	52,482	$	908,697
Multifamily		194,334		2,357		3,560		200,251
One to four family		59,472		—		—		59,472
Land		9,875		—		—		9,875
All other		1,142		—		—		1,142
Total loans	$	1,118,802	$	4,593	$	56,042	$	1,179,437
Allocation of allowance for loan losses	$	21,530	$	141	$	4,963	$	26,634
At December 31, 2013
Commercial real estate	$	772,900	$	3,522	$	62,344	$	838,766
Multifamily		204,298		2,369		3,603		210,270
One to four family		72,064		—		—		72,064
Land		7,553		—		1,625		9,178
All other		1,272		—		—		1,272
Total loans	$	1,058,087	$	5,891	$	67,572	$	1,131,550
Allocation of allowance for loan losses	$	20,720	$	169	$	6,944	$	27,833

(1) Substandard loans consisted of $22.5 million of nonaccrual loans, $22.7 million of accruing TDRs and $10.8 million of other performing loans at September 30, 2014, compared to $35.9 million, $13.1 million and $18.6 million in the same categories, respectively, at December 31, 2013. At September 30, 2014 and December 31, 2013, we also had accruing TDRs of $2.0 million and $0.4 million, respectively, which were rated pass.

The geographic distribution of the loan portfolio by state follows:

($ in thousands)	At September 30, 2014					At December 31, 2013
	Amount		% of Total			Amount		% of Total
New York	$	648,271		55.0	%	$	670,052		59.3	%
Florida		346,757		29.4			321,812		28.4
North Carolina		28,390		2.4			22,611		2.0
Georgia		24,249		2.1			18,799		1.7
New Jersey		13,832		1.2			15,650		1.4
Pennsylvania		13,154		1.1			16,898		1.5
Virginia		13,088		1.1			11,491		1.0
South Carolina		11,426		1.0			9,223		0.8
Kentucky		8,403		0.7			11,930		1.1
Ohio		7,024		0.6			4,703		0.4
Tennessee		6,691		0.6			5,843		0.5
Connecticut		6,357		0.5			8,429		0.7
Massachusetts		6,016		0.5			—		—
Texas		5,691		0.5			—		—
Michigan		5,473		0.5			5,599		0.5
Utah		5,138		0.5			—		—
Arizona		5,108		0.4			—		—
West Virginia		4,454		0.4			—		—
Indiana		4,191		0.3			2,820		0.2
Illinois		3,608		0.3			—		—
Wisconsin		3,349		0.2			1,790		0.1
California		2,742		0.2			—		—
All other states		6,025		0.5			3,900		0.4
	$	1,179,437		100.0	%	$	1,131,550		100.0	%

14

Intervest Bancshares Corporation and Subsidiary

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 3 – Loans Receivable, Continued

The distribution of TDRs by accruing versus nonaccruing, by loan type and by geographic distribution follows:

($ in thousands)	At September 30, 2014		At December 31, 2013
Performing – nonaccrual status	$	19,873	$	33,184
Performing – accrual status		24,690		13,429
	$	44,563	$	46,613
Commercial real estate	$	39,939	$	41,860
Multifamily		3,104		3,128
Land		1,520		1,625
	$	44,563	$	46,613
New York	$	8,106	$	8,223
Florida		26,329		27,070
Georgia		8,608		8,695
Ohio		—		1,000
South Dakota		1,520		1,625
	$	44,563	$	46,613

Note 4 – Allowance for Loan Losses

Activity in the allowance for loan losses by loan type for the periods indicated is as follows:

($ in thousands)	Commercial Real Estate			Multifamily			One to Four Family			Land			All Other			Total
Quarter Ended September 30, 2014
Balance at beginning of period	$	18,381		$	4,964		$	2,358		$	887		$	8		$	26,598
Loan chargeoffs		—			—			—			—			—			—
Loan recoveries		36			—			—			—			—			36
Provision (credit) for loan losses		17			(139	)		(28	)		150			—			—
Balance at end of period	$	18,434		$	4,825		$	2,330		$	1,037		$	8		$	26,634
Nine-Months Ended September 30, 2014
Balance at beginning of period	$	18,403		$	5,097		$	3,017		$	1,308		$	8		$	27,833
Loan chargeoffs		—			—			—			—			—			—
Loan recoveries		287			14			—			—			—			301
Credit for loan losses		(256	)		(286	)		(687	)		(271	)		—			(1,500	)
Balance at end of period	$	18,434		$	4,825		$	2,330		$	1,037		$	8		$	26,634
($ in thousands)	Commercial Real Estate			Multifamily			One to Four Family			Land			All Other			Total
Quarter Ended September 30, 2013
Balance at beginning of period	$	17,596		$	5,098		$	2,795		$	956		$	10		$	26,455
Loan chargeoffs		—			—			—			—			—			—
Loan recoveries		67			5			—			—			—			72
Provision (credit) for loan losses		(175	)		212			229			(15	)		(1	)		250
Balance at end of period	$	17,488		$	5,315		$	3,024		$	941		$	9		$	26,777
Nine-Months Ended September 30, 2013
Balance at beginning of period	$	19,051		$	6,881		$	1,120		$	1,043		$	8		$	28,103
Loan chargeoffs		(1,932	)		(6	)		—			—			—			(1,938	)
Loan recoveries (1)		947			682			—			483			—			2,112
Provision (credit) for loan losses		(578	)		(2,242	)		1,904			(585	)		1			(1,500	)
Balance at end of period	$	17,488		$	5,315		$	3,024		$	941		$	9		$	26,777

(1) In the first and second quarters of 2013, INB entered into settlement agreements with respect to certain litigation INB had pursued in connection with foreclosure actions it had commenced in 2010 on several of its loans. INB commenced the actions to collect, in one case, insurance proceeds, which it contended had been improperly paid to various third parties, and in another case, damages due to alleged legal malpractice when the loan was originated. As a result of these settlements, INB received net proceeds totaling $2.7 million and $0.1 million in the first and second quarter of 2013, respectively, which was recorded as $1.2 million of recoveries of prior loan charge offs and $1.6 million of recoveries of prior real estate expenses associated with two loans and underlying collateral property.

15

Intervest Bancshares Corporation and Subsidiary

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 4 – Allowance for Loan Losses, Continued

The following table sets forth the balances of our loans receivable by segment and impairment evaluation and the allowance for loan losses associated with such loans at September 30, 2014.

($ in thousands)	Commercial Real Estate		Multifamily		One to Four Family		Land		All Other		Total
Loans:
Individually evaluated for impairment	$	50,281	$	3,104	$	—	$	1,520	$	—	$	54,905
Collectively evaluated for impairment		858,416		197,147		59,472		8,355		1,142		1,124,532
Total loans	$	908,697	$	200,251	$	59,472	$	9,875	$	1,142	$	1,179,437
Allowance for loan losses:
Individually evaluated for impairment	$	4,369	$	590	$	—	$	156	$	—	$	5,115
Collectively evaluated for impairment		14,066		4,234		2,330		881		8		21,519
Total allowance for loan losses	$	18,435	$	4,824	$	2,330	$	1,037	$	8	$	26,634

The following table sets forth the balances of our loans receivable by segment and impairment evaluation and the allowance for loan losses associated with such loans at December 31, 2013.

($ in thousands)	Commercial Real Estate		Multifamily		One to Four Family		Land		All Other		Total
Loans:
Individually evaluated for impairment	$	52,407	$	3,128	$	—	$	1,625	$	—	$	57,160
Collectively evaluated for impairment		786,359		207,142		72,064		7,553		1,272		1,074,390
Total loans	$	838,766	$	210,270	$	72,064	$	9,178	$	1,272	$	1,131,550
Allowance for loan losses:
Individually evaluated for impairment	$	4,999	$	594	$	—	$	500	$	—	$	6,093
Collectively evaluated for impairment		13,404		4,503		3,017		808		8		21,740
Total allowance for loan losses	$	18,403	$	5,097	$	3,017	$	1,308	$	8	$	27,833

Note 5 – Foreclosed Real Estate and Valuation Allowance for Real Estate Losses

Real estate acquired through foreclosure by property type is summarized as follows:

	At September 30, 2014				At December 31, 2013
($ in thousands)	# of Properties		Amount (1)		# of Properties		Amount (1)
Commercial real estate		1	$	2,650		2	$	3,984
Multifamily		—		—		1		6,685
		1	$	2,650		3	$	10,669

(1) Reported net of any associated valuation allowance.

Activity in the valuation allowance for real estate losses is summarized as follows:

	Quarter Ended September 30,					Nine-Months Ended September 30,
($ in thousands)	2014		2013			2014			2013
Valuation allowance at beginning of period	$	390	$	6,044		$	2,017		$	5,339
Provision for real estate losses		—		250			—			955
Real estate chargeoffs		—		(4,171	)		(1,627	)		(4,171	)
Valuation allowance at end of period	$	390	$	2,123		$	390		$	2,123

Note 6 – Deposits

Scheduled maturities of certificates of deposit accounts (CDs) were as follows:

	At September 30, 2014					At December 31, 2013
($ in thousands)	Amount		Wtd-Avg Stated Rate			Amount		Wtd-Avg Stated Rate
Within one year	$	269,268		1.57	%	$	307,122		1.97	%
Over one to two years		158,266		1.85			167,323		1.92
Over two to three years		213,925		1.96			170,956		1.92
Over three to four years		73,696		1.76			106,700		2.50
Over four years		125,893		2.11			129,678		2.06
	$	841,048		1.82	%	$	881,779		2.03	%

CDs of $100,000 or more totaled $465 million at September 30, 2014 and $473 million at December 31, 2013 and included brokered CDs of $68 million and $91 million, respectively. At September 30, 2014, all CDs of $100,000 or more (inclusive of brokered CDs) by remaining maturity were as follows: $113 million due within one year; $85 million due over one to two years; $140 million due over two to three years; $47 million due over three to four years; and $80 million due thereafter. At September 30, 2014, brokered CDs had a weighted-average rate of 2.43% and their remaining maturities were as follows: $5 million due within one year; $8 million due over one to two years; $29 million due over two to three years; $14 million due over three to four years and $12 million due over four years.

16

Intervest Bancshares Corporation and Subsidiary

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 7 – Lines of Credit

At September 30, 2014, INB had $41 million of unsecured credit lines that were cancelable by the lender at any time. As a member of the Federal Home Loan Bank of New York (FHLB) and the Federal Reserve Bank of New York (FRB), INB can borrow from these institutions on a secured basis. At September 30, 2014, INB had available collateral consisting of investment securities and certain loans that could be pledged to support additional total borrowings of approximately $323 million from the FHLB and FRB, if needed. There were no borrowings during the reporting periods in this report.

Note 8 – Subordinated Debentures – Capital Securities

Capital Securities (commonly referred to as trust preferred securities) outstanding are summarized as follows:

	At September 30, 2014							At December 31, 2013
($ in thousands)	Principal		Accrued Interest Payable		Interest Rate			Principal		Accrued Interest Payable		Interest Rate
Capital Securities II – debentures due September 17, 2033	$	15,464	$	17		3.18	%	$	15,464	$	275		3.19	%
Capital Securities III – debentures due March 17, 2034		15,464		17		3.02	%		15,464		261		3.03	%
Capital Securities IV – debentures due September 20, 2034		15,464		14		2.63	%		15,464		223		2.65	%
Capital Securities V – debentures due December 15, 2036		10,310		8		1.88	%		10,310		109		1.89	%
	$	56,702	$	56				$	56,702	$	868

The securities are obligations of IBC’s wholly owned statutory business trusts, Intervest Statutory Trust II, III, IV and V, respectively. See note 9 to the financial statements included in our 2013 Annual Report on Form 10-K for additional discussion of the above securities.

Note 9 – Common Stock Warrant and Equity Incentive Plans

IBC has shareholder-approved equity incentive plans in place under which stock options, restricted stock and other forms of incentive compensation may be awarded from time to time to officers, employees and directors of IBC and its subsidiary. The maximum number of shares of common stock that may be awarded is 2,250,000. At September 30, 2014, 624,703 shares of common stock were available for award.

Stock Options and Stock Warrant

There were no awards of options during the quarterly and nine-month periods ended September 30, 2014 and 2013.

A summary of outstanding common stock options and warrant and related information follows:

	Exercise Price Per Warrant/Option																					Wtd-Avg. Exercise Price
($ in thousands, except per share amounts)	$5.42 (1)			$17.10			$7.50			$4.02			$3.00			$2.55			Total
Outstanding at December 31, 2013		691,882			110,640			113,990			57,400			32,400			35,133			1,041,445		$	6.64
Repurchased and cancelled		(691,882	)		—			—			—			—			—			(691,882	)	$	5.42
Forfeited/expired (2)		—			(600	)		(300	)		(300	)		(300	)		(900	)		(2,400	)	$	7.05
Options exercised		—			—			(600	)		(2,400	)		(7,500	)		(6,167	)		(16,667	)	$	3.14
Outstanding at September 30, 2014		—			110,040			113,090			54,700			24,600			28,066			330,496		$	9.37
Expiration date		—			12/13/17			12/11/18			12/10/19			12/09/20			12/08/21
Vested and exercisable (3)		—			100	%		100	%		100	%		100	%		67	%		97	%
Wtd-avg contractual remaining term (in years)		—			3.2			4.2			5.2			6.2			7.2			4.4
Intrinsic value at September 30, 2014 (4)		—		$	—		$	233		$	303		$	161		$	197		$	894

(1) The U.S. Department of the Treasury, in connection with IBC’s prior participation in the Capital Purchase Program of TARP, had owned a warrant to purchase 691,882 shares of IBC’s common stock at an exercise price of $5.42 per share. On September 3, 2014, IBC repurchased the warrant for a purchase price of $2.9 million and cancelled the warrant. The purchase price was recorded as a reduction in IBC’s stockholders’ equity.

(2) Represent options forfeited or expired unexercised.

(3) The $2.55 options further vest and become 100% exercisable on December 8, 2014. Full vesting may occur earlier upon the occurrence of certain events as defined in the option agreement.

(4) Intrinsic value was calculated using the closing price of the common stock on September 30, 2014 of $9.56.

17

Intervest Bancshares Corporation and Subsidiary

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 9 – Common Stock Warrant and Equity Incentive Plans, Continued

Restricted Stock

A summary of selected information regarding awards of restricted common stock during the periods covered by this report follows:

($ in thousands, except per share amounts)
Grant date of award		1/23/14		1/24/13
Total restricted shares of stock awarded (1)		92,000		330,700
Grant date per share fair value (2)	$	7.65	$	4.50
Total estimated fair value of award	$	703,800	$	1,488,150
Awards scheduled to vest as follows:
January 2014		—		49,566
January 2015		30,664		170,888
January 2016		30,664		110,246
January 2017		30,672		—
		92,000		330,700

(1) For 2014, awards were as follows: a total of 12,000 shares to five executive officers and a total of 80,000 shares to eight non-employee directors (vesting in three equal installments, with one third on each of the next three anniversary dates of the grant).

For 2013, awards were as follows: a total of 182,000 shares to five executive officers (vesting in two installments, with two thirds vesting on the second anniversary of the grant and the remaining one third on the third anniversary of the grant); a total of 80,000 shares to eight non-employee directors and 68,700 shares to other officers and employees (vesting in three equal installments, with one third on each of the first three anniversary dates of the grant).

(2) Fair value of each award was based on the closing market price of IBC’s common stock on the grant date.

A summary of outstanding restricted common stock and related information follows:

	Price Per Share														Wtd-Avg. Price Per Share
	$2.90			$4.50			$7.21			$7.65		Total
Outstanding at December 31, 2013		158,317			279,500			135,500			—		573,317		$	4.70
Shares granted		—			—			—			92,000		92,000		$	7.65
Shares forfeited		(500	)		(2,800	)		—			—		(3,300	)	$	4.26
Shares vested and no longer restricted		(101,035	)		(47,664	)		(75,417	)		—		(224,116	)	$	4.69
Outstanding at September 30, 2014 (1) (2)		56,782			229,036			60,083			92,000		437,901		$	5.33

(1) All outstanding shares of restricted common stock at September 30, 2014 were unvested and subject to forfeiture.

Shares issued at $2.90 vest: 56,782 on January 19, 2015.

Shares issued at $4.50 vest: 137,264 on January 24, 2015; 91,772 on January 24, 2016.

Shares issued at $7.21 vest: 14,584 on January 19, 2015; 30,333 on January 24, 2015; 15,166 on January 24, 2016.

Shares issued at $7.65 vest: 30,664 on January 23, 2015; 30,664 on January 23, 2016; 30,672 on January 23, 2017.

(2) Vesting is subject to the grantee’s continued employment with us or, in the case of non-employee directors, the grantee’s continued service as our director on the vesting dates. All of the awards are subject to accelerated vesting upon the death or disability of the grantee or upon a change in control of IBC, as defined in the restricted stock award agreements. The record holder of IBC’s restricted shares of common stock possesses all the rights of a holder of our common stock, including the right to receive dividends on the shares when declared and to vote the restricted shares. The restricted shares may not be sold, transferred, pledged, assigned, encumbered, or otherwise alienated or hypothecated until they become fully vested and transferable in accordance with the award agreements.

Stock Appreciations Rights

On January 23, 2014, Cash-Settled Stock Appreciation Rights (or “SARs”) were awarded to five executive officers in the total amount of 78,000 shares. The SARs have an exercise price of $7.65 per share, a contractual term of 5 years from the date of grant, upon which they expire, and they vest in three equal installments on the first, second and third anniversaries of the grant date. The SARs are exercisable for thirty days after the holder terminates service to our Company, unless such termination is due to the holder’s death or disability, in which case the SARs are exercisable for one year after termination. The SARs give the executive the right to receive upon exercise, an amount payable in cash equal to the number of shares subject to the SAR that is being exercised multiplied by the excess of (a) the fair market value of a share of our common stock on the date the SAR is exercised, over (b) the exercise price specified in the SAR award agreement, which in the case of this award is $7.65. The estimated fair value of each SAR on the date of grant was $2.28, or a total estimated fair value of $178,000 as calculated using the Black-Scholes option pricing model with the following assumptions used as inputs into the model: expected dividend yield of 1.75%; expected stock volatility of 45%; risk-free interest rate of 0.98% and an expected term of 3.5 years.

18

Intervest Bancshares Corporation and Subsidiary

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 9 – Common Stock Warrant and Equity Incentive Plans, Continued

Stock Compensation Expense and Excess Income Tax Benefit

Stock-based compensation expense related to all equity awards totaled $278,000 and $229,000 for the third quarter of 2014 and 2013, respectively, and $1,052,000 and $731,000 for the nine-months ended September 30, 2014 and 2013, respectively. The expense for the 2014 third quarter and nine-month period included $19,000 and $45,000, respectively, attributable to outstanding cash-settled SARs (all of which were issued in January 2014). At September 30, 2014, pre-tax compensation expense related to all non-vested equity awards not yet recognized totaled $1.8 million and such amount is expected to be recognized in the future over a weighted-average period of approximately 1.7 years.

Our income taxes payable was reduced by the excess income tax benefit arising from the vesting of restricted common stock awards and the exercise of stock option awards during the reporting periods in this report based on certain criteria as described in note 1 to the financial statements. The tax benefit amounted to $11,000 for the third quarter of 2014 and $5,000 for the third quarter of 2013, and $318,000 and $150,000 for the first nine-months of 2014 and 2013, respectively.

Note 10 – Earnings Per Common Share and Common Stock Dividend

Net earnings applicable to common stockholders and the weighted-average number of shares used for basic and diluted earnings per common share computations are summarized in the table that follows:

	Quarter Ended September 30,				Nine-Months Ended September 30,
	2014		2013		2014		2013
Basic Earnings Per Common Share:
Net earnings available to common stockholders	$	4,180,000	$	2,588,000	$	13,760,000	$	9,230,000
Weighted-Average number of common shares outstanding		22,024,722		21,915,596		22,013,754		21,891,886
Basic Earnings Per Common Share	$	0.19	$	0.12	$	0.62	$	0.42
Diluted Earnings Per Common Share:
Net earnings applicable to common stockholders	$	4,180,000	$	2,588,000	$	13,760,000	$	9,230,000
Weighted-Average number of common shares outstanding:
Common shares outstanding		22,024,722		21,915,596		22,013,754		21,891,886
Potential dilutive shares resulting from exercise of warrants/options (1)		243,523		135,866		192,981		81,064
Total average number of common shares outstanding used for dilution		22,268,245		22,051,462		22,206,735		21,972,950
Diluted Earnings Per Common Share	$	0.19	$	0.12	$	0.62	$	0.42

(1) All outstanding options/warrants to purchase shares of our common stock were considered for the diluted earnings per common share computations and only those that were dilutive (as determined by using the treasury stock method prescribed by GAAP) were included in the computations above. For the quarter and nine-month periods of 2014, outstanding options/warrants to purchase 110,040 shares of common stock were not dilutive because the exercise price of each was above the average market price of our common stock during these periods. For both the quarter and nine-month periods of 2013, 234,430 of options/warrants to purchase common stock were not dilutive because the exercise price of each was above the average market price of our common stock during these periods.

On April 24, 2014, IBC’s board of directors approved the initiation of a quarterly cash dividend to common stockholders. The initial quarterly dividend declared of $0.05 per common share was paid on May 26, 2014 to stockholders of record at the close of business on May 15, 2014. Although IBC intends to pay a quarterly cash dividend, future dividends are discretionary and subject to the approval of IBC’s board of directors.

On July 14, 2014, IBC’s board of directors approved a quarterly dividend of $0.05 per common share payable August 26, 2014 to stockholders of record at the close of business on August 15, 2014.

Note 11 – Contingencies

We are periodically a party to or otherwise involved in legal proceedings arising in the normal course of business, such as foreclosure proceedings. Based on review and consultation with our legal counsel, we do not believe that there is any pending or threatened proceeding against us, which, if determined adversely, would have a material effect on our business, results of operations, financial position or liquidity, other than litigation discussed below related to our proposed merger with Ozarks, discussed in note 1.

19

Intervest Bancshares Corporation and Subsidiary

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 11 – Contingencies, Continued

Litigation Related to the Merger

On August 7, 2014, a putative class action complaint, captioned GreenTech Research LLC v. Callen, et al. (the “Greentech Action”), was filed in the Supreme Court of the State of New York for New York County, by an entity purporting to be a stockholder of Intervest. On August 19, 2014, a putative class action complaint, captioned Sonnenberg v. Intervest Bancshares Corp., et al., was filed in the Supreme Court of the State of New York for New York County, by an entity purporting to be a stockholder of IBC (also referred to as Intervest). Each of the complaints alleges that the directors of Intervest breached their fiduciary duties to Intervest’s stockholders in connection with the merger by approving a transaction pursuant to an allegedly inadequate process that undervalues Intervest and includes preclusive deal protection provisions; and that Intervest and Ozarks allegedly aided and abetted the Intervest directors in breaching their duties to Intervest’s stockholders. The complaints seek court certification of the respective plaintiffs as class representatives and that such proceedings may proceed as stockholder class actions, and various remedies, including enjoining the merger from being consummated in accordance with its agreed-upon terms, rescission or an award of rescissory damages in the event that the merger is consummated, an accounting by the defendants to the plaintiff class for all damages caused by the defendants, recovery of plaintiffs’ costs and attorneys’ and experts’ fees relating to the lawsuit, and such further relief as the court deems just and proper. The individual plaintiffs and the defendants have stipulated to the court that the two actions, as well as any further actions brought in the same court, should be consolidated for further proceedings in the same court in order to minimize expense and promote a more efficient proceeding. On October 14, 2014, the plaintiff in the Greentech Action filed an amended complaint alleging, among other things, inadequacy of the disclosures contained in the proxy statement/prospectus included in the Registration Statement on Form S-4 filed by Ozarks on September 29, 2014. The defendants named in these lawsuits, including Intervest, deny the allegations in the complaints and intend to vigorously defend against these lawsuits. No liability or reserve has been recognized in our consolidated balance sheet at September 30, 2014 with respect to the above matters.

Note 12 – Regulatory Matters and Regulatory Capital

On March 7, 2014, IBC received notification from the Federal Reserve Bank of New York (the “FRB”) that the written agreement between IBC and the FRB that had been in effect since January 14, 2011 was terminated. As a result, IBC is no longer subject to any regulatory agreement or related restrictions that were described in our 2013 10-K. At September 30, 2014, IBC’s consolidated Tier 1 capital and total capital ratios were 20.84% and 22.10%, respectively, and its leverage capital ratio was 16.92%. At September 30, 2014, INB’s leverage capital ratio, Tier 1 capital and total capital ratios were 16.44%, 20.22% and 21.48%, respectively. At September 30, 2014, we believe that IBC and INB met all regulatory capital adequacy requirements to which they were subject. As of the date of filing of this report, we are not aware of any conditions or events that would have changed the status of such compliance with those requirements at September 30, 2014.

Note 13 – Off-Balance Sheet Financial Instruments

INB is party to financial instruments with off-balance sheet risk in the normal course of its business to meet the financing needs of its customers. These instruments can be in the form of commitments to extend credit, unused lines of credit and standby letters of credit, and may involve, to varying degrees, elements of credit and interest rate risk in excess of the amounts recognized in our financial statements. Our maximum exposure to credit risk is represented by the contractual amount of those instruments. Commitments to extend credit are agreements to lend funds to a customer as long as there is no violation of any condition established in the contract. Such commitments generally have fixed expiration dates or other termination clauses and normally require payment of fees to INB. Since some of the commitments are expected to expire without being drawn upon, the total commitment amount does not necessarily represent future cash requirements. We evaluate each customer’s creditworthiness on a case-by-case basis. Standby letters of credit are conditional commitments issued by INB to guarantee the performance of its customer to a third party. The credit risk involved in the underwriting of letters of credit is essentially the same as that involved in originating loans. INB had no standby letters of credit outstanding at September 30, 2014 or December 31, 2013.

20

Intervest Bancshares Corporation and Subsidiary

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 13 – Off-Balance Sheet Financial Instruments, Continued

The contractual amounts of off-balance sheet financial instruments are as follows:

($ in thousands)	At September 30, 2014		At December 31, 2013
Commitments to extend credit	$	23,134	$	19,386
Unused lines of credit		787		877
	$	23,921	$	20,263

Note 14 – Fair Value Measurements

We use fair value measurements to record fair value adjustments to certain of our assets and to determine our fair value disclosures. In accordance with GAAP, we group our assets and liabilities measured at fair value into three levels (Level 1, 2 and 3), based on the markets in which they are traded and the reliability of the assumptions and inputs that are used to determine their fair value. Level 1 has the highest level of reliability because fair value is based on actively traded markets. See note 20 to the financial statements included in our 2013 10-K for a further discussion of the three valuation levels. At September 30, 2014 and December 31, 2013, we had no liabilities recorded at fair value. At December 31, 2013, we had approximately $1.0 million of assets (comprised of securities available for sale) recorded at fair value (Level 1) on a recurring basis.

Available-for-sale securities at September 30, 2014 measured at fair value on a recurring basis are summarized below:

($ in thousands)	Estimated Fair Value		Level 1		Level 2
U.S. government agencies	$	224,132	$	—	$	224,132
Residential mortgage-backed		79,690		—		79,690
State and municipal		529		—		529
Mutual fund investment		996		996		—
	$	305,347	$	996	$	304,351

The following tables provide information regarding our assets measured at fair value on a nonrecurring basis.

	Outstanding Carrying Value
	At September 30, 2014		At December 31, 2013
($ in thousands)	Level 3		Level 3
Impaired loans (1):
Commercial real estate	$	50,281	$	52,407
Multifamily		3,104		3,128
Land		1,520		1,625
Total impaired loans		54,905		57,160
Foreclosed real estate		2,650		10,669

(1) Outstanding carrying value for impaired loans excludes a specific valuation allowance. See note 4 to the financial statements in this report.

	Accumulated Losses on				Total Losses (Gains) (1)
	Outstanding Balance as of:				Quarter Ended September 30,						Nine-Months Ended September 30,
($ in thousands)	Sep 30, 2014		Dec 31, 2013		2014			2013			2014			2013
Impaired loans: Commercial real estate	$	7,416	$	11,522	$	(452	)	$	—		$	(918	)	$	823
Multifamily		591		594		—			(7	)		(17	)		(964	)
Land		156		500		(5	)		(2	)		(344	)		(23	)
Total impaired loans		8,163		12,616		(457	)		(9	)		(1,279	)		(164	)
Impaired securities		—		—		—			273			—			964
Foreclosed real estate		390		2,017		—			149			(203	)		135
	$	8,553	$	14,633	$	(457	)	$	413		$	(1,482	)	$	935

(1) Represents total losses or (gains) recognized on all assets measured at fair value on a nonrecurring basis during the period indicated. The losses or (gains) for impaired loans represent the change (before chargeoffs and recoveries) during the period in the corresponding specific valuation allowance, while the losses (gains) for foreclosed real estate represent writedowns in carrying values subsequent to foreclosure (recorded as provisions for real estate losses) adjusted for any recoveries of prior write downs and (gains) or losses from the transfer/sale of properties during the period. The losses on securities represent the total of other than temporary impairment charges, which are recorded as component of noninterest income.

The following table details changes in assets measured at fair value on a nonrecurring basis for the periods indicated.

($ in thousands)	Impaired Loans			Foreclosed Real Estate
Quarter Ended September 30, 2014
Balance at beginning of period	$	57,821		$	2,650
Principal repayments/sales		(2,916	)		—
Balance at end of period	$	54,905		$	2,650
Nine-Months Ended September 30, 2014
Balance at beginning of period	$	57,160		$	10,669
Net new impaired loans		3,466			—
Principal repayments/sales		(5,721	)		(8,222	)
Gain from sales		—			203
Balance at end of period	$	54,905		$	2,650

21

Intervest Bancshares Corporation and Subsidiary

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 14 – Fair Value Measurements, Continued

The following table details changes in assets measured at fair value on a nonrecurring basis for the periods indicated.

($ in thousands)	Impaired Securities			Impaired Loans			Foreclosed Real Estate
Quarter Ended September 30, 2013
Balance at beginning of period	$	2,923		$	50,533		$	14,869
Net new impaired loans		—			514			—
Other than temporary impairment write downs		(273	)		—			—
Principal repayments/sales		(46	)		(149	)		(2,701	)
Writedowns of carrying value subsequent to foreclosure		—			—			(250	)
Gains from sales		—			—			101
Balance at end of period	$	2,604		$	50,898		$	12,019
Nine-Months Ended September 30, 2013
Balance at beginning of period	$	3,721		$	65,973		$	15,923
Net new impaired loans		—			8,761			—
Impaired loans transferred to foreclosed real estate		—			(3,040	)		3,040
Other than temporary impairment write downs		(964	)		—			—
Principal repayments/sales		(153	)		(18,858	)		(6,809	)
Chargeoffs of impaired loans		—			(1,938	)		—
Writedowns of carrying value subsequent to foreclosure		—			—			(1,029	)
Recoveries of prior writedowns		—			—			74
Gains from sales		—			—			820
Balance at end of period	$	2,604		$	50,898		$	12,019

We are required to disclose the estimated fair value of each class of our financial instruments for which it is practicable to estimate, which values are shown in the table that follows. The fair value of a financial instrument is the current estimated amount that would be exchanged between willing parties, other than in a forced liquidation. The fair value estimates are made at a specific point in time based on available information. A discussion regarding the assumptions used to compute the estimated fair values disclosed below can be found in note 20 to the financial statements included our 2013 10-K.

The carrying and estimated fair values of our financial instruments are as follows:

	At September 30, 2014				At December 31, 2013
($ in thousands)	Carrying Value		Fair Value		Carrying Value		Fair Value
Financial Assets:
Cash and cash equivalents (1)	$	11,483	$	11,483	$	24,700	$	24,700
Time deposits with banks (1)		4,620		4,620		5,370		5,370
Securities available for sale, net (2)		305,347		305,347		965		965
Securities held to maturity, net (2)		—		—		383,937		378,507
FRB and FHLB stock (3)		7,715		7,715		8,244		8,244
Loans receivable, net (3)		1,148,635		1,161,476		1,099,689		1,100,858
Accrued interest receivable (3)		4,665		4,665		4,861		4,861
Loan fees receivable (3)		2,224		1,765		2,298		1,808
Total Financial Assets	$	1,484,689	$	1,497,071	$	1,530,064	$	1,525,313
Financial Liabilities:
Deposits (3)	$	1,214,324	$	1,229,119	$	1,282,232	$	1,294,690
Borrowed funds plus accrued interest payable (3)		56,758		56,516		57,570		57,260
Accrued interest payable on deposits (3)		850		850		1,508		1,508
Commitments to lend (3)		146		146		408		408
Total Financial Liabilities	$	1,272,078	$	1,286,631	$	1,341,718	$	1,353,866
Net Financial Assets	$	212,611	$	210,440	$	188,346	$	171,447

(1) We consider these fair value measurements to be Level 1.

(2) We consider these fair value measurements to be Level 2, except for $1.0 million at each date (which is considered Level 1).

(3) We consider these fair value measurements to be Level 3.

Note 15 – Subsequent Events

On October 15, 2014, IBC’s board of directors declared a quarterly cash dividend of $0.05 per common share payable November 24, 2014 to stockholders of record at the close of business on November 14, 2014. During October 2014, sales of available for sale securities were made totaling $77 million, which increased INB’s cash on hand to approximately $90 million at October 31, 2014 for use in funding planned deposit outflow and new loans. A net loss of approximately $0.2 million was recorded on these sales.

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Intervest Bancshares Corporation and Subsidiary

Review by Independent Registered Public Accounting Firm

Hacker, Johnson & Smith P.A., P.C., our independent registered public accounting firm, has made a limited review of our financial data as of September 30, 2014 and for the three- and nine-month periods ended September 30, 2014 and 2013 presented in this document, in accordance with the standards established by the Public Company Accounting Oversight Board.

The report of Hacker, Johnson & Smith P.A., P.C. furnished pursuant to Article 10 of Regulation S-X is included on the following page herein.

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Report of Independent Registered Public Accounting Firm

Board of Directors and Stockholders

Intervest Bancshares Corporation

New York, New York:

We have reviewed the accompanying condensed consolidated balance sheet of Intervest Bancshares Corporation and Subsidiary (the “Company”) as of September 30, 2014 and the related condensed consolidated statements of earnings comprehensive income for the three- and nine-month periods ended September 30, 2014 and 2013, and the related condensed consolidated statements of changes in stockholders’ equity and cash flows for the nine-month periods ended September 30, 2014 and 2013. These interim financial statements are the responsibility of the Company’s management.

We conducted our reviews in accordance with the standards of the Public Company Accounting Oversight Board (United States). A review of interim financial information consists principally of applying analytical procedures to financial data and making inquiries of persons responsible for financial and accounting matters. It is substantially less in scope than an audit conducted in accordance with the standards of the Public Company Accounting Oversight Board, the objective of which is the expression of an opinion regarding the financial statements taken as a whole. Accordingly, we do not express such an opinion.

Based on our reviews, we are not aware of any material modifications that should be made to the condensed consolidated financial statements referred to above for them to be in conformity with U.S. generally accepted accounting principles.

We have previously audited, in accordance with the standards of the Public Company Accounting Oversight Board, the consolidated balance sheet of the Company as of December 31, 2013, and the related consolidated statements of earnings, comprehensive income, changes in stockholders’ equity and cash flows for the year then ended (not presented herein); and in our report dated March 3, 2014, we, based on our audit, expressed an unqualified opinion on those consolidated financial statements. In our opinion, the information set forth in the accompanying condensed consolidated balance sheet as of December 31, 2013 is fairly stated, in all material respects, in relation to the consolidated balance sheet from which it has been derived.

/s/ Hacker, Johnson & Smith P.A., P.C.

HACKER, JOHNSON & SMITH P.A., P.C.

Tampa, Florida

November 4, 2014

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ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

General

Intervest Bancshares Corporation (“IBC”) is the parent company of Intervest National Bank (“INB”). References in this report to “we,” “us” and “our” refer to these entities on a consolidated basis, unless otherwise specified. For a discussion of our business, see note 1 to the financial statements in our 2013 Annual Report on Form 10-K (“2013 10-K”). Our business is also affected by various risk factors, which are disclosed beginning on page 27 of our 2013 10-K in Item 1A thereof and updated as needed in Item 1A of Part II of our reports on Form 10-Q. You should also read the “Public Securities Litigation Reform Act Safe Harbor Statement” on page 2 of this report on Form 10-Q. This management’s discussion and analysis of financial condition and results of operations that follows should be read in conjunction with the accompanying financial statements in this report on Form 10-Q as well as our entire 2013 10-K.

Proposed Merger Agreement

On July 31, 2014, IBC and INB, entered into a definitive agreement and plan of merger (the “Merger Agreement”) with Bank of the Ozarks, Inc. (“Ozarks”) and its wholly-owned bank subsidiary, Bank of the Ozarks, relating to a proposed merger transaction. For further discussion of this transaction and litigation related thereto, see notes 1 and 11 to the financial statements in this report. This Form 10-Q does not constitute the solicitation of any vote or approval regarding the merger.

Available Information

IBC’s annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, Proxy Statements and any amendments to those reports can be obtained (excluding exhibits) without charge by writing to: Intervest Bancshares Corporation, Attention: Secretary, One Rockefeller Plaza (Suite 400) New York, New York 10020. In addition, the reports (with exhibits) are available on the Securities and Exchange Commission’s website at www.sec.gov. IBC has a website at www.intervestbancsharescorporation.com that is used for limited purposes and contains certain reports after they are electronically filed with or furnished to the SEC. INB also has a website at www.intervestnatbank.com. The information on both of these web sites is not and should not be considered part of this report and is not incorporated by reference in this report.

Critical Accounting Policies

We consider our critical accounting policies to be those that relate to the determination of the following: our allowance for loan losses; our valuation allowance for real estate losses; other than temporary impairment assessments of our security investments; and the need for and amount of a valuation allowance for our deferred tax asset. These items are considered critical accounting estimates because each is highly susceptible to change from period to period and require us to make numerous assumptions about a variety of information that directly affect the calculation of the amounts reported in our consolidated financial statements. For example, the impact of a large unexpected chargeoff could deplete the allowance for loan losses and potentially require us to record increased loan loss provisions to replenish the allowance, which could negatively affect our operating results and financial condition. A detailed discussion of our critical accounting policies and the factors and estimates we use in applying them can be found under the caption “Critical Accounting Policies” on pages 42 to 45 in our 2013 10-K.

Overview

Net earnings available to common stockholders for the third quarter of 2014 (Q3-14) increased 62% to $4.2 million, or $0.19 per share, from $2.6 million, or $0.12 per share, for the third quarter of 2013 (Q3-13). For the first nine months of 2014 (9mths-14), net earnings available to common stockholders increased 49% to $13.8 million, or $0.62 per share, from $9.2 million, or $0.42 per share, for the same period of 2013 (9mths-13). Returns on average assets and average common stockholders’ equity increased to 1.08% and 8.10% for Q3-14 and to 1.17% and 9.05% for 9mths-14.

Operating Summary

• There were no preferred dividend requirements in the 2014 periods, compared to $0.3 million in Q3-13 and $1.1 million in 9mths-13.

• Net interest and dividend income increased to $11.0 million in Q3-14, from $8.8 million in Q3-13, and to $32.1 million in 9mths-14, from $26.4 million in 9mths-13, reflecting a higher net interest margin.

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• The net interest margin (exclusive of loan prepayment income) increased to 2.86% in Q3-14 and 2.81% in 9mths-14, from 2.32% and 2.33% in the same periods of 2013.

• No provision for loan losses was recorded in Q3-14, compared to $0.3 million in Q3-13. A credit for loan losses of $1.5 million was recorded in 9mths-14 and in 9mths-13. The credit for 9mths-14 reflected improved credit quality resulting from the payoff of substandard loans and other credit upgrades, while the credit for 9mths-13 was primarily due to partial cash recoveries of prior loan charge offs.

• Noninterest income (inclusive of loan prepayment income) increased to $1.0 million in Q3-14 and to $4.3 million in 9mths-14, from $0.9 million and $2.3 million in the same periods of 2013. The increase for 9mths-14 was primarily due to higher prepayment income ($3.0 million versus $1.9 million in 9mths-13) and no security impairment charges in 9mths-14 (compared to $1.9 million in 9mths-13).

• No provisions for real estate losses were recorded in the 2014 periods, compared to $0.3 million in Q3-13 and $1.0 million in 9mths-13.

• Real estate expenses, net of rental and other income, amounted to $0.1 million in Q3-14, compared to $0.2 million in Q3-13. For 9mths-14, these expenses totaled $0.6 million, compared to net income of $1.1 million in 9mths-13. The net income reflected gains from sales of several properties and cash recoveries of expenses associated with previously owned properties. Exclusive of these non-recurring income items, net real estate expenses would have been $1.3 million in 9mths-13.

• Operating expenses increased to $4.6 million in Q3-14, from $3.9 million in Q3-13, and to $13.1 million in 9mths-14, from $12.0 million in 9mths-13. The increase for both periods was largely due to higher professional fees of $0.8 million associated with the previously announced proposed merger with Bank of the Ozarks, Inc. Contributing to the increase in 9mths-14 was salary increases, higher stock compensation and employee bonus expense totaling $0.8 million, partially offset by a $0.4 million decrease in FDIC insurance premiums.

• Our efficiency ratio, which measures our ability to control expenses as a percentage of revenues, continued to be favorable and improved to 38% for Q3-14 and 36% for 9mths-14, from 40% and 42% in the same periods of 2013, respectively.

Balance Sheet Summary

• Total assets decreased to $1.51 billion at September 30, 2014, from $1.58 billion at December 31, 2013.

• Loans increased to $1.18 billion at September 30, 2014, from $1.13 billion at December 31, 2013.

• New loan originations for 9mths-14 totaled $223 million, compared to $221 million for 9mths-13, while loan repayments decreased to $175 million from $225 million in the same periods, respectively.

• Deposits decreased $68 million to $1.21 billion at September 30, 2014, from $1.28 billion at December 31, 2013.

• Stockholders’ equity increased to $206 million at September 30, 2014, from $197 million at December 31, 2013.

• INB’s regulatory capital ratios at September 30, 2014 were as follows: Tier One Leverage – 16.44%; Tier One Risk-Based Capital – 20.22%; and Total Risk-Based Capital – 21.48%.

• Book value per common share increased to $9.35 at September 30, 2014, from $8.99 at December 31, 2013.

Asset Quality Summary

• Impaired loans (comprised of nonaccrual loans, restructured loans (TDRs) and one other accruing and performing loan) totaled $54.9 million at September 30, 2014, compared to $57.2 million at December 31, 2013.

• Nonaccrual loans decreased to $22.5 million at September 30, 2014, from $35.9 million at December 31, 2013, primarily reflecting one loan transferred to an accruing TDR status. Nonaccrual loans included TDRs at each date of $19.9 million and $33.2 million, respectively. These TDRs were current and had a weighted-average interest rate of 4.31% as of September 30, 2014.

• Accruing TDR loans increased to $24.7 million at September 30, 2014 from $13.4 million at December 31, 2013, due to the transfer of the loan noted above. These TDR loans had a weighted-average interest rate of approximately 5% at September 30, 2014.

• The allowance for loan losses was $26.6 million, or 2.27% of total loans, at September 30, 2014, compared to $27.8 million, or 2.47%, at December 31, 2013. The allowance included specific reserves allocated to impaired loans at each date totaling $5.1 million and $6.1 million, respectively.

• Real estate owned through foreclosure (“REO”) decreased to $2.6 million at September 30, 2014, from $10.6 million at December 31, 2013, reflecting sales of two properties.

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Termination of Regulatory Agreement

On March 13, 2014, the Federal Reserve Bank of New York announced the termination of the written agreement dated as of January 14, 2011 between IBC and the FRB. The termination was effective March 7, 2014. As a result of this termination and the March 2013 termination of INB’s formal agreement with its primary regulator, neither IBC or INB is subject to any formal or informal regulatory agreement or related restrictions that were described in our 2013 10-K.

Common Stock Dividends Paid

On April 24, 2014, IBC’s board of directors approved the initiation of a regular quarterly cash dividend to common stockholders in the amount $0.05 per common share, which was paid on May 26, 2014 to stockholders of record at the close of business on May 15, 2014. IBC also paid a quarterly dividend of $0.05 per common share on August 26, 2014 to stockholders of record at the close of business on August 15, 2014. Although IBC intends to pay a quarterly cash dividend, future dividends are discretionary and subject to the approval of IBC’s board of directors.

Repurchase of Common Stock Warrant

On September 3, 2014, IBC repurchased the warrant that it had issued to the U.S. Department of the Treasury on December 23, 2008 in connection with IBC’s participation in the Capital Purchase Program of TARP. IBC paid $2.9 million to the Treasury to repurchase the warrant, which has been cancelled. The warrant had permitted the Treasury to purchase up to 691,882 shares of IBC’s common stock at an exercise price of $5.42 per share. There are no other investments from IBC’s participation in TARP that remain outstanding.

Comparison of Financial Condition at September 30, 2014 and December 31, 2013

General

Total assets decreased to $1.51 billion at September 30, 2014, from $1.58 billion at December 31, 2013, as decreases of $80 million in security investments, $13 million in cash and short-term investments and $8 million in real estate acquired through foreclosure were partially offset by a $48 million increase in loans.

Cash and Cash Equivalents

Cash and cash equivalents amounted to $12 million at September 30, 2014, compared to $25 million at December 31, 2013. They include interest-bearing and noninterest-bearing cash balances with banks and other short-term investments, and they fluctuate based on various factors, including our liquidity needs, loan demand, deposit flows, calls of securities, repayments of borrowed funds and alternative investment opportunities.

Time Deposits with Banks

Time deposits with banks decreased to $4.6 million at September 30, 2014, from $5.4 million at December 31, 2013, reflecting maturities. These deposits had a weighted-average yield of 1.16% and remaining maturity of 1.3 years at September 30, 2014. Most of these deposits are Community Reinvestment Act eligible investments.

Securities Held to Maturity and Securities Available for Sale

During Q3-14, INB’s entire portfolio of securities held to maturity (HTM), with a carrying value of $351.6 million and estimated fair value of $349.4 million, was transferred to the available-for-sale category (AFS) in order to provide additional flexibility in executing INB’s asset and liability management strategies. Among other things, sales of securities can enhance liquidity and fund new loans and planned deposit outflow.

At September 30, 2014, there were no securities classified as HTM, compared to $384 million at December 31, 2013. Securities available for sale at September 30, 2014 amounted to $305 million, compared to $1 million at December 31, 2013. The $80 million net decrease in total (HTM and AFS) security investments from December 31, 2013 was due to repayments (calls and maturities) and sales exceeding new purchases.

During Q3-14, proceeds from periodic sales of AFS securities totaled $37 million, resulting in a net realized gain of $0.2 million. The sales enhanced INB’s liquidity to fund new loans and planned deposit outflow. See the section “Liquidity and Capital Resources” in this report for a further discussion.

Federal Reserve Bank of New York (FRB) and Federal Home Loan Bank of New York (FHLB) Stock

In order for INB to be a member of the FRB and FHLB, INB must maintain an investment in the capital stock of each entity, which amounted to $5.9 million and $1.8 million, respectively, at September 30, 2014, compared to $5.9 million and $2.3 million, respectively, at December 31, 2013.

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The FRB stock has historically paid a dividend of 6%, while the FHLB stock dividend fluctuates quarterly and was most recently at the rate of 4.05%. The total required investment fluctuates based on INB’s capital level for the FRB stock and INB’s loans and outstanding FHLB borrowings for the FHLB stock.

Loans Receivable, Net

Loans increased to $1.18 billion at September 30, 2014, from $1.13 billion at December 31, 2013. The $48 million increase reflected $222.7 million of new originations and $0.3 million of recoveries of prior charge offs, partially offset by $142.0 million of payoffs and $33.1 million of principal amortization and partial pay downs. New originations were comprised of $176 million of commercial real estate (CRE) loans, $39 million of multifamily loans and $5 million of loans secured by investor-owned, 1-4 family condominiums. New CRE loans included $30 million of single tenant credit and $38 million of single tenant non-credit properties.

Major classifications of loans receivable are summarized as follows:

	At September 30, 2014					At December 31, 2013
($ in thousands)	# of Loans		Amount			# of Loans		Amount
Loans Secured By Real Estate:
Commercial loans		426	$	908,697			394	$	838,766
Multifamily loans		137		200,251			138		210,270
One to four family loans		17		59,472			20		72,064
Land loans		6		9,875			5		9,178
		586		1,178,295			557		1,130,278
All Other Loans:
Business loans		18		1,004			19		1,061
Consumer loans		7		138			12		211
		25		1,142			31		1,272
Loans receivable, gross		611		1,179,437			588		1,131,550
Deferred loan fees				(4,168	)				(4,028	)
Loans receivable, net of deferred fees				1,175,269					1,127,522
Allowance for loan losses				(26,634	)				(27,833	)
Loans receivable, net			$	1,148,635				$	1,099,689
Loans on nonaccrual status			$	22,538				$	35,903
Loans restructured and on accrual status				24,690					13,429
Accruing loans contractually past due 90 days or more				3,965					4,087

The table below sets forth the activity in the net loan portfolio for the periods indicated:

($ in thousands)	Quarter Ended March 31, 2014			Quarter Ended June 30, 2014			Quarter Ended September 30, 2014			Nine-Months Ended September 30, 2014
Loans receivable, net, at beginning of period	$	1,099,689		$	1,114,813		$	1,131,359		$	1,099,689
Originations		66,816			97,799			58,090			222,705
Principal repayments		(52,017	)		(82,319	)		(40,783	)		(175,119	)
Recoveries		85			180			36			301
Net (increase) decrease in deferred loan fees		(175	)		66			(31	)		(140	)
Net decrease (increase) in allowance for loan losses		415			820			(36	)		1,199
Loans receivable, net, at end of period	$	1,114,813		$	1,131,359		$	1,148,635		$	1,148,635

New originations for 9mths-14 had a weighted-average rate, term, debt service coverage ratio and loan-to-value ratio of 4.70%, 6.5 years, 1.24x and 60%, respectively, compared to 4.40%, 6.6 years, 1.35x and 61%, respectively, for new loans originated in 9mths-13. Nearly all of the new loans in both periods had fixed interest rates. Loans paid off in 9mths-14 and 9mths-13 had a weighted-average rate of 5.25% and 5.96%, respectively. Loans with fixed interest rates constituted approximately 99% of the portfolio at September 30, 2014, which included some loans that have small predetermined interest rate increases over the life of the loan. The entire loan portfolio had a weighted-average remaining contractual term of 4.7 years as of September 30, 2014.

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The table below sets forth information on our new loan originations for 9mths-14.

								Weighted-Average
($ in thousands)	#of Loans (1)		Amount		% of Total			Interest Rate			Effective Yield (2)			Term (3)		DSCR (4)		Loan-to-Value Ratio
Commercial Real Estate:
Shopping centers – grocery anchored		2	$	11,500		6	%		5.00	%		4.86	%		10.1		1.21		69	%
Shopping centers – unanchored		6		10,980		5	%		4.97	%		5.02	%		9.9		1.00		59	%
Mixed-use commercial		9		19,842		9	%		4.26	%		4.40	%		4.7		0.82		44	%
Single tenant – credit		14		30,116		14	%		4.58	%		4.65	%		9.2		1.47		58	%
Single tenant – noncredit		30		37,714		17	%		4.81	%		4.87	%		6.8		1.39		62	%
Office buildings		5		25,507		11	%		5.09	%		5.25	%		4.9		1.79		62	%
Industrial/warehouses		5		12,565		6	%		4.36	%		4.88	%		2.4		0.15		62	%
Hotel		1		3,250		1	%		4.00	%		4.16	%		5.0		2.54		30	%
Mobile home park		10		24,993		11	%		4.88	%		4.95	%		9.4		1.36		65	%
Multifamily (5 or more units):
Rent regulated apartments		9		11,738		5	%		4.18	%		4.28	%		4.5		0.99		54	%
Non-rent regulated apartments		4		3,600		2	%		4.00	%		4.07	%		3.5		1.07		71	%
Garden apartments		5		12,063		5	%		4.67	%		4.79	%		4.0		1.14		70	%
Mixed-use multifamily		9		11,934		5	%		4.29	%		4.32	%		5.6		0.94		58	%
One to four family (investor condos)		3		5,238		2	%		4.71	%		4.86	%		2.6		1.54		61	%
Land		1		1,550		1	%		4.50	%		5.59	%		1.0		0.00		46	%
Personal and Business		4		115		—	%		4.45	%		4.45	%		4.1		1.00		60	%
Totals		117		222,705		100	%		4.70	%		4.79	%		6.5		1.24		60	%

(1) Advances on existing loans for purposes of this table are counted as a new loan.

(2) Computed using origination and exit fee income, net of direct origination costs, as a level yield adjustment over the life of the loan.

(3) Represents contractual maturity (expressed in number of years) and does not consider the impact of some self-liquating loans.

(4) Debt service coverage ratio (DSCR) is computed based on the property’s actual cash flows at date of origination and excludes pro-forma (or projected) cash flows in cases where the property is vacant or substantially vacant and is in the process of being leased or stabilized to market rents. Also excludes any escrow deposits made by the borrower with us in order to establish a minimum annual DSCR of 1.20 (for the subsequent 12-month period only) at time of origination in cases where the property’s cash flow is inadequate.

The following table sets forth information regarding loans outstanding at September 30, 2014 by year of origination.

($ in thousands) Year Originated (1)	Balance Outstanding		% of Total			Balance Rated Substandard		% of Outstanding			Balance Nonaccrual		% of Outstanding
2004 and prior	$	106,892		9	%	$	—		—	%	$	—		—	%
2005		41,720		4			3,104		7			2,261		5
2006		74,394		6			8,608		12			8,608		12
2007		123,037		10			34,011		28			11,669		10
2008		96,693		8			7,677		8			—		—
2009		59,167		5			—		—			—		—
2010		11,958		1			2,142		18			—		—
2011		33,036		3			—		—			—		—
2012		174,450		15			500		—			—		—
2013		259,230		22			—		—			—		—
2014		198,860		17			—		—			—		—
	$	1,179,437		100	%	$	56,042		5	%	$	22,538		2	%

(1) Does not consider those loans that have been extended or renewed since the date of original origination.

At September 30, 2014, the loan portfolio was concentrated in CRE loans and was comprised of 77% of loans secured by CRE, 17% secured by multifamily properties and 5% by investor-owned, 1-4 family condominiums. The single tenant category totaled $212 million at September 30, 2014, or approximately 23% of the total CRE loan portfolio, up from $157 million and 19% at December 31, 2013.

The table below sets forth information regarding our loans of $10 million or more at September 30, 2014.

($ in thousands) Property Type	Property Location	Principal Balance		Current Interest Rate (1)			Maturity Date		DSCR Ratio		Days Past Due		Status/Rating
Unanchored Retail Center	White Plains, New York	$	16,031		4.30	%		04/01/2017		1.30		None		Accrual/Pass
Hotel	Orlando, Florida		15,491		5.00	%		01/01/2018		1.82		None		Accrual/Pass
Office Building	Fort Lauderdale, Florida		13,829		4.75	%		03/01/2019		1.24		None		Accrual/Pass
Office Building	Miami Gardens, Florida		13,779		5.25	%		10/01/2018		0.81		None		TDR-accrual	(2)
Commercial Mixed Use	Brooklyn, New York		11,570		4.13	%		10/01/2018		1.24		None		Accrual/Pass
Grocery Anchored Retail Center	Manorville, New York		11,142		4.38	%		08/01/2028		1.27		None		Accrual/Pass
Grocery Anchored Retail Center	South Daytona, Florida``		11,000		4.75	%		10/01/2024		1.20		None		Accrual/Pass
Hotel	New York, New York		10,956		4.00	%		12/01/2016		1.14		None		Accrual Pass
Commercial Mixed Use	New York, New York		10,858		4.13	%		04/01/2019		1.46		None		Accrual/Pass
Hotel	Woodbury, New York		10,493		4.00	%		07/01/2019		1.52		None		Accrual/Pass
Mobile Home Park	Avon Park, Florida		10,102		4.75	%		06/01/2024		1.27		None		Accrual/Pass
Commercial Mixed Use	New York, New York		10,016		4.50	%		07/01/2022		1.87		None		Accrual/Pass
		$	145,267

(1) Rates are all fixed except for South Daytona and Avon Park properties, which adjust in 2019, and the property in Miami, which has scheduled step-ups in rate.

(2) Loan restructured in September 2011 and this loan has performed in accordance with its restructured terms through September 30, 2014. Loan placed on accrual status in June 2014. Current monthly payments are comprised of principal and interest payments at a 5.25% interest rate. The interest rate increases each year on June 1 (beginning on June 1, 2015), as follows to: 5.375%, 5.50%, 5.625% and 5.75%. Loan is rated substandard.

29

The table below sets forth information on the properties securing the real estate loan portfolio at September 30, 2014.

	New York				Florida				Other States				Total Loans						Impaired
($ in thousands)	#		Amount		#		Amount		#		Amount		#		Amount		%		Loans
Commercial Real Estate:
Shopping centers – anchored (1)		5	$	9,977		4	$	12,920		7	$	20,767		16	$	43,664		3.7	$	10,342
Shopping centers – grocery anchored (1)		2		18,071		1		11,000		2		6,834		5		35,905		3.1		—
Shopping centers – unanchored (1)		45		101,444		16		42,303		8		11,117		69		154,864		13.1		17,111
Mixed – use commercial (2)		74		170,549		5		14,428		3		3,117		82		188,094		16.0		—
Single tenant – credit (3)		7		8,862		7		9,835		14		27,717		28		46,414		3.9		—
Single tenant – noncredit (3)		35		46,318		34		38,451		65		80,805		134		165,574		14.1		—
Office buildings (4)		12		33,662		16		55,190		4		11,596		32		100,448		8.5		22,828
Industrial/warehouses (5)		15		39,362		2		2,941		—		—		17		42,303		3.6		—
Hotels (6)		8		36,456		4		19,616		—		—		12		56,072		4.8		—
Mobile home parks (7)		—		—		19		35,768		3		10,049		22		45,817		3.9		—
Mini-storage (8)		3		7,721		—		—		—		—		3		7,721		0.7		—
Parking lots/garages		5		19,981		—		—		—		—		5		19,981		1.7		—
Other commercial		1		1,840		—		—		—		—		1		1,840		0.2		—
Multifamily (5 or more units):
Rent regulated apartments (9)		31		41,779		—		—		—		—		31		41,779		3.6		—
Non-rent regulated apartments (9)		22		24,213		21		3,929		2		458		45		28,600		2.4		—
Garden apartments (10)		2		1,480		15		42,445		4		8,187		21		52,112		4.4		3,104
Mixed-use multifamily (2)		39		76,983		—		—		1		777		40		77,760		6.6		—
One to four family (11)		2		4,433		14		53,575		1		1,464		17		59,472		5.1		—
Land		2		5,050		3		3,305		1		1,520		6		9,875		0.8		1,520
Total real estate loans		310	$	648,181		161	$	345,706		115	$	184,408		586	$	1,178,295		100.0	$	54,905
Average loan balance			$	2,091			$	2,147			$	1,604			$	2,011
Loans on nonaccrual status		—	$	—		3	$	11,265		2	$	11,273		5	$	22,538		1.9
Loans with full or partial personal guarantees		194	$	365,784		133	$	273,698		73	$	121,943		400	$	761,425		64.6
Loans with DSCRs of less than 1.00x (12)		60	$	108,000		13	$	31,320		9	$	25,743		82	$	165,063		14.0
Loans with DSCRs of 1.00x to 1.19x (12)		32	$	68,503		40	$	46,570		4	$	4,065		76	$	119,138		10.1

(1) Comprised predominantly of neighborhood/community strip shopping centers containing general merchandise and convenience retailers, including grocery, drug, service, personal care, repair, discount and home improvement stores. An anchored center contains one tenant, which may be either a credit or non-credit tenant, whose percentage of the property’s total income and rentable space is 50% or greater.

(2) Comprised of properties having both residential and commercial use, usually containing retail or commercial space on the ground floor. Mixed use loans are classified as multifamily or commercial based on the greater percentage of income from residential or commercial use.

(3) Comprised of properties occupied by a single tenant consisting mostly of restaurants, bank branches, fast food establishments, discount retailers, retail drugstore chains, convenience stores, grocery stores, professional offices, as well as local retailers and service and repair businesses. The single tenants have been further segmented by those with an investment grade rating (minimum BBB rating on its publicly traded debt), or credit tenants, and those that are either non-rated or have a less than investment grade rating, or non-credit tenants.

The table below summarizes the single-tenant category by the ten largest tenants and by industry based on principal balance outstanding:

($ in thousands)	# of Loans		Amount		Industry	Amount
Rite Aid		10	$	20,750	Restaurants	$	46,598
Walgreens		4		12,049	Drugstores		40,585
Kentucky Fried Chicken		11		8,023	Fast Food		31,662
CVS		4		7,785	Specialty Retail		26,025
IHOP		5		7,251	Convenience		14,811
Open Peak Inc.		1		6,807	Personal Services		13,103
Applebee’s		4		6,682	Other		11,774
Walmart		1		6,016	Retail		9,664
Taco Bell		5		5,605	Banks		8,776
Hardees		7		5,457	Automotive		8,990
		52	$	86,425		$	211,988

(4) Comprised of office building properties, normally with multiple floors with multiple tenants engaged in various businesses, including medical, administrative and legal services.

(5) Comprised typically of commercial buildings used for or intended to be used for the storage of goods by manufacturers, importers, exporters, wholesalers, transport businesses, etc. They are usually large buildings in industrial areas of cities/towns/villages that contain one or more tenants.

(6) Hotel properties in Florida are comprised of flagged hotels located in Orlando, Miami Beach, Clearwater and Tampa areas, with room counts ranging from 50 to over 200 and floors ranging from 2 to 7. Hotel properties in New York are comprised predominantly of single occupancy room hotels (commonly known as “SROs”) in New York City and Brooklyn, and several small non-flagged hotels/motels in Long Island.

(7) Mobile homes are often sited in land lease communities known as mobile home parks. These communities allow home owners to rent space on which to place a home, normally consisting of single or double manufactured homes. In addition to providing space, the community can provide basic utilities and other amenities.

(8) Mini-storage facilities, also known as self-storage, are storage space facilities leased to individuals or companies for storing various personal items or business parts or inventory. Mini-storage facilities may also provide other services in addition to rentals.

30

Notes to preceding table continued:

(9) Comprised of apartment buildings principally in the 5 boroughs of New York City consisting mostly of pre- and post-war walkup, elevator and loft buildings, including brownstones and townhouses, further segmented by those subject to rent regulations (rent control and rent stabilization).

(10) Comprised of garden style apartments, which refer to a large development of small apartment buildings two to four stories tall where there are no internal hallways, although adjacent apartments may share a wall. Entrance to the apartments is from a common stairwell or patio, and the buildings are typically surrounded by outdoor landscaping or patios.

(11) Comprised nearly all of investor-owned individual residential condominium dwelling units or townhouses. These loans are made primarily to investors who purchase multiple (blocks of) units/townhouses that remain unsold after a condo conversion or the unsold units in a new development. The units are normally rented (or in the process of being rented) for an extended period of time until they can be sold as originally intended. The loans are underwritten in accordance with our multifamily underwriting policies and their risk characteristics are essentially the same as our multifamily real estate lending, and we risk weight them for regulatory capital purposes the same as substantially all of the rest of our loan portfolio, or at 100%.

(12) Consist of loans where the underlying collateral is not producing adequate cash flows to service the loan’s required payments (predominantly in cases where the collateral is a vacant or substantially vacant building or land) and such payments are being made in full or in part by the borrower’s other sources of funds. In many such cases, the borrower or its principals has guaranteed the loan and/or deposited escrow funds with us to cover the loan’s contractual debt service payments for a portion of the loan term while the underlying collateral property is being leased up or improved to increase rents. These types of loans include loans known in the industry as bridge loans. In accordance with our internal grading criteria (which considers loan-to-value ratios, personal guarantees, projected stabilized cash flows from the collateral, deposits of debt service payments with us and other qualitative factors), the total amount of these loans were internally graded as follows at September 30, 2014: $225 million were pass rated, $5 million were Special Mention rated and $54 million were substandard rated. Such conclusions on ratings may or may not be viewed in the same manner as another third-party. See Note 1 to our audited consolidated financial statements included in our 2013 10-K for a discussion of our internal grading criteria.

The table below details scheduled contractual principal repayments of the loan portfolio as of September 30, 2014 by type.

($ in thousands)	Due Within One Year		Due Over One to Five Years		Due Over Five Years		Total
Commercial real estate	$	61,466	$	504,576	$	342,655	$	908,697
Multifamily		7,921		139,669		52,661		200,251
One to four family		11,165		33,696		14,611		59,472
Land		5,020		4,855		—		9,875
Commercial business		520		484		—		1,004
Consumer		101		37		—		138
	$	86,193	$	683,317	$	409,927	$	1,179,437

For additional information on and discussion of our loan portfolio, including a discussion of our recent lending trends, underwriting standards and other pertinent information, see the section entitled “Lending Activities” in Item 1 “Business” of our 2013 10-K and note 3 to the financial statements in this report.

Allowance for Loan Losses

The allowance for loan losses decreased to $26.6 million, or 2.27% of total loans, at September 30, 2014, from $27.8 million, or 2.47%, at December 31, 2013. The allowance included specific reserves at each date (totaling $5.1 million and $6.1 million, respectively) allocated to our impaired loans. The decrease in the allowance was due to a credit for loan losses of $1.5 million, partially offset by recoveries of prior chargeoffs of $0.3 million. The credit reflected primarily improved credit quality in our loan portfolio resulting from the repayment in full of four substandard rated loans (totaling $6.9 million) in Q2-14 and the upgrade of one performing TDR loan ($1.6 million) in Q1-14 due to an increase in the loan’s collateral value.

As detailed in note 3 to the financial statements in this report, at September 30, 2014, loans rated substandard in our loan portfolio decreased to a total of $59 million, from $68 million at December 31, 2013. For a discussion of the criteria used to determine the adequacy of the allowance for loan losses, see the section entitled “Critical Accounting Policies” in this report. For additional information on the allowance for loan losses, see note 4 to the financial statements in this report.

Impaired Loans

At September 30, 2014, our impaired loans totaled $55 million, compared to $57 million at December 31, 2013. At September 30, 2014, impaired loans were comprised of 5 nonaccrual loans totaling $22.5 million, one accruing loan of $7.7 million and 6 loans classified as accruing troubled debt restructured loans or “TDRs” totaling $24.7 million, compared to 6 nonaccrual loans totaling $35.9 million, one accruing loan of $7.8 million and 6 loans classified as “TDRs” totaling $13.4 million at December 31, 2013.

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The table below summarizes certain information on loans at September 30, 2014.

($ in thousands)	Pass Rated Loans		Substandard Rated Loans		Total
Loans on nonaccrual status	$	—	$	22,538	$	22,538
TDRs on accruing status		1,963		22,727		24,690
Other impaired accruing loan		—		7,677		7,677
Total loans classified impaired		1,963		52,942		54,905
Other non-impaired accruing loans (1)		—		3,099		3,099
Total (2)	$	1,963	$	56,041	$	58,004

(1) Represent loans for which there were concerns at the date indicated regarding the ability of the borrowers to meet existing repayment terms. These loans reflect the distinct possibility, but not the probability, that we will not be able to collect all amounts due according to the contractual terms of the loans. These loans may never become delinquent, nonaccrual or impaired.

(2) All of these loans are closely monitored and considered in the determination of the overall adequacy of the allowance for loan losses.

At September 30, 2014 with respect to all of our impaired loans, we had obtained current appraisals of the underlying collateral as follows: 19% dated within the preceding 3 months; 23% dated within the preceding 4-6 months; 51% dated within the preceding 7-9 months; 6% dated within the preceding 10-12 months; and 1% dated over 12 months prior. Our policy is to obtain externally prepared appraisals for all of our substandard-rated impaired loans at least annually. One TDR loan in the amount of $0.4 million was rated pass and an annual appraisal is not required under our appraisal policy.

For additional discussion on the allowance for loan losses, including the factors we use in maintaining a specific valuation allowance for our impaired loans and our policy regarding loan chargeoffs, see note 1 to the financial statements in our 2013 10-K.

Summary of Asset Quality

The table below summarizes nonperforming assets, TDRs, past due loans and selected ratios at the dates indicated.

($ in thousands)	At September 30, 2014			At December 31, 2013
Nonaccrual loans(1):
Loans past due 90 days or more	$	2,665		$	—
TDR loans past due 31-89 days (2) (3)		4,320			—
Loans past due 0-30 days		—			2,719
TDR loans past due 0-30 days (2) (3)		15,553			33,184
Total nonaccrual loans		22,538			35,903
Real estate acquired through foreclosure		2,650			10,669
Total assets considered nonperforming	$	25,188		$	46,572
TDR loans on accruing status and 0-30 days past due (4)	$	24,690		$	13,429
Loans past due 90 days or more and still accruing		3,965			4,087
Loans past due 60-89 days and still accruing		3,731			—
Loans past due 31-59 days and still accruing		—			2,642
Nonaccrual loans to total gross loans		1.91	%		3.17	%
Nonperforming assets to total assets		1.67	%		2.97	%
Allowance for loan losses to total net loans		2.27	%		2.47	%
Allowance for loan losses to nonaccrual loans		118	%		78	%

(1) We may place a loan on nonaccrual status prior to it becoming past due 90 days based on the specific facts and circumstances associated with each loan that indicate that it is probable the borrower may not be able to continue making monthly payments. Interest income from payments made on all nonaccrual loans is recognized on a cash basis (or when collected) if the outstanding principal is determined to be collectible. A loan on nonaccrual status can only be returned to accrual status if ultimate collectability of contractual principal is assured and the borrower has demonstrated satisfactory payment performance. In the case of a TDR, satisfactory payment performance can be achieved either before or after the restructuring (usually for a period of no shorter than six months).

(2) Represent loans whose terms have been modified through the deferral of principal and/or a partial reduction in interest payments, or extension of maturity term (referred to as a TDR in this report). All were current as to payments and performing in accordance with their restructured terms at the dates indicated, but were required to be classified nonaccrual for the reasons noted in footnote 1 above.

(3) A number of the nonaccrual TDR loans in the table above (which aggregated to 2 loans or $9 million at September 30, 2014) have been partially charged-off (by a cumulative total of $1.8 million). For these TDRs, the evaluation for full repayment of contractual principal must include the collectability of amounts charged off. Although the loans have been partially charged off for financial statement purposes, the borrowers remain obligated to pay all contractual principal due, although there can be no assurance that such charged-off amounts will be collected.

(4) Represent modified loans as described in footnote 2 above, except that they were maintained on accrual status. All of these loans were performing and current as of September 30, 2014.

32

The table below summarizes the change in loans on nonaccrual status for the periods indicated.

($ in thousands)	Quarter Ended Mar 31, 2014			Quarter Ended Jun 30, 2014			Quarter Ended Sep 30, 2014			Nine-Months Ended Sep 30, 2014
Balance at beginning of period	$	35,903		$	38,750		$	23,005		$	35,903
Net new additions		3,466			—			—			3,466
Transfer of TDR loan (to) from accruing TDR status		—			(13,840	)		2,261			(11,579	)
Principal repayments		(619	)		(1,905	)		(2,728	)		(5,252	)
Balance at end of period	$	38,750		$	23,005		$	22,538		$	22,538

The table below summarizes the change in TDRs on accrual status for the periods indicated.

($ in thousands)	Quarter Ended Mar 31, 2014			Quarter Ended Jun 30, 2014			Quarter Ended Sep 30, 2014			Nine-Months Ended Sep 30, 2014
Balance at beginning of period	$	13,429		$	13,337		$	27,088		$	13,429
Transfer of TDR loan from (to) nonaccrual status		—			13,840			(2,261	)		11,579
Principal repayments		(92	)		(89	)		(137	)		(318	)
Balance at end of period	$	13,337		$	27,088		$	24,690		$	24,690

The table below sets forth information regarding our TDRs as of September 30, 2014.

($ in thousands) Property Type	Property Location	Contractual Principal Balance Due		Carrying Value		Interest Rate			Principal Amortization	Maturity Date	Collateral Last Appraised
Nonaccrual Status (1)
Unanchored retail center (2)	West Palm, Florida	$	5,549	$	4,320		4.50	%	No	Aug 2014	Mar 2014
Unanchored retail center (2)	Lake Worth, Florida		5,452		4,684		4.50	%	No	Sep 2014	Mar 2014
Office building	Norcross, Georgia		8,694		8,608		4.00	%	No	Dec 2015	Apr 2014
Garden apartment	Orlando, Florida		2,261		2,261		4.75	%	Yes	Nov 2015	Sep 2013
			21,956		19,873		4.31	%
Accrual Status
Unanchored retail center (2)	New York, New York		5,239		5,239		4.50	%	Yes	Sep 2014	Jan 2014
Land	Rapid City, S. Dakota		1,520		1,520		5.00	%	Yes	Jan 2015	May 2014
Garden apartment	Lake Worth, Florida		843		843		6.00	%	Yes	Oct 2016	Nov 2013
Unanchored retail center	Monroe, New York		2,867		2,867		5.13	%	Yes	Mar 2017	Aug 2014
Office building	Clearwater, Florida		442		442		5.00	%	Yes	Oct 2017	Nov 2012
Office building	Miami, Florida		13,779		13,779		5.25	%	Yes	Oct 2018	Mar 2014
			24,690		24,690		5.08	%
		$	46,646	$	44,563		4.74	%

(1) All these TDRs were performing in accordance with their modified terms but were maintained on nonaccrual status as of September 30, 2014 in accordance with regulatory guidance. Interest income on such loans is recognized on a cash basis. The carrying value for these loans represents contractual unpaid principal balance less any partial principal chargeoffs (totaling $1.8 million) and interest received and applied as a reduction of principal (totaling $0.3 million). The borrowers remain obligated to pay all contractual amounts due although collection of such amounts by us is not assured.

(2) Loans have matured and were in the process of extension or repayment at September 30, 2014.

The table below details REO at the dates indicated.

($ in thousands)

Net Carrying Value

Description of Property

City

State

Date Acquired

At Sep 30, 2014

At Dec 31, 2013

Last Appraised

7 story vacant office building and vacant lot (1)

Yonkers

NY

8/09

$

—

$

1,334

5/13

622 unit garden apartment complex (2)

Louisville

KY

7/10

—

6,685

5/13

Two, 5 story vacant office buildings – 182K sq. ft.

Jacksonville

FL

2/13

2,650

2,650

4/14

$

2,650

$

10,669

(1) Sold in Q1-14 for $1.4 million. Original cost basis upon transfer to REO was $2.2 million.

A net gain from the sale of this property of $0.1 million was recorded in Q1-14.

(2) Sold in Q2-14 for $6.8 million. Original cost basis upon transfer to REO was $7.5 million.

A net gain from the sale of this property of $0.1 million was recorded in Q2-14.

We review the estimated fair value of REO at least quarterly by performing market valuations of the properties, which normally consist of obtaining externally prepared appraisals at least annually for every property, as well as performing quarterly reviews of economic and real estate market conditions in the local area where the property is located, including taking into consideration discussions with real estate brokers and interested buyers, in order to determine if a valuation allowance is needed to reflect any decrease in the estimated fair value of the property since acquisition. The one property owned at September 30, 2014 was being marketed for sale. At September 30, 2014, the total REO valuation allowance amounted to $0.4 million, compared to $2.0 million at December 31, 2013.

33

All Other Assets

The following table sets forth all other assets:

($ in thousands)	At September 30, 2014		At December 31, 2013
Accrued interest receivable	$	4,665	$	4,861
Loan fees receivable		2,224		2,298
Premises and equipment, net		4,428		4,056
Deferred income tax asset		15,229		18,362
Income tax receivable		900		1,165
Deferred debenture offering costs, net		714		742
Investment in unconsolidated subsidiaries		1,702		1,702
All other		891		1,036
	$	30,753	$	34,222

All other assets decreased primarily due to a $3.1 million decrease in our deferred tax asset due to the partial utilization of the asset to offset part of our taxable earnings during 9mths-14. The increase in premises and equipment of $0.4 million was due to improvements made to INB’s Nursery office branch in Florida.

Deposits

Total deposits decreased $68 million to $1.21 billion at September 30, 2014, from $1.28 billion at December 31, 2013, reflecting a $41 million decrease in certificate of deposit accounts and a $27 million decrease in total money market and checking accounts.

At September 30, 2014, CDs totaled $841 million, and checking, savings and money market accounts aggregated to $373 million. The same categories of deposit accounts totaled $882 million and $400 million, respectively, at December 31, 2013. CDs represented 69% of total deposits at each date. At September 30, 2014 and December 31, 2013, CDs included $68 million and $91 million of brokered deposits, respectively. See the section “Liquidity and Capital Resources” in this report for a further discussion of our deposits.

Borrowed Funds and Accrued Related Interest Payable

Borrowed funds and related accrued interest payable decreased to $56.8 million at September 30, 2014, from $57.6 million at December 31, 2013, due to the payment of accrued interest payable on IBC’s outstanding debt, which is in the form of junior subordinated notes (TRUPs).

All Other Liabilities

The following table sets forth all other liabilities:

($ in thousands)	At September 30, 2014		At December 31, 2013
Accrued interest payable on deposits	$	850	$	1,508
Mortgage escrow funds payable		27,531		18,879
Official checks outstanding		3,943		7,335
All other liabilities		1,918		3,281
	$	34,242	$	31,003

Accrued interest payable on deposits fluctuates based on total deposits, interest rates in effect and the timing of interest payments. Mortgage escrow funds payable fluctuate based on the level of loans outstanding and other factors and represent advance payments made to us by borrowers for property taxes and insurance that we remit to third parties when due. Official checks outstanding represent checks issued by INB in the normal course of business which fluctuate based on banking activity. All other liabilities are comprised mainly of accrued expenses as well as fees received in connection with loan commitments that have not yet been funded.

Stockholders’ Equity

Stockholders’ equity increased to $206 million at September 30, 2014, from $197 million at December 31, 2013, The $9 million increase reflected primarily net earnings of $13.8 million, partially offset by $2.2 million of common dividends paid and $2.9 million paid on September 3, 2014 to repurchase and cancel a common stock warrant held by the U.S. Department of the Treasury as discussed earlier in this report. Book value per common share increased to $9.35 at September 30, 2014, from $8.99 at December 31, 2013.

34

Comparison of Results of Operations for the Quarters Ended September 30, 2014 and 2013

Selected information regarding our results of operations follows:

	For the Quarter Ended Sep 30,
($ in thousands)	2014		2013		Change
Interest and dividend income	$	15,916	$	15,624	$	292
Interest expense		4,926		6,794		(1,868	)
Net interest and dividend income		10,990		8,830		2,160
Provision for loan losses		—		250		(250	)
Noninterest income		1,009		901		108
Noninterest expenses:
Provision for real estate losses		—		250		(250	)
Real estate activities expense, net		117		212		(95	)
Operating expenses		4,614		3,862		752
Earnings before provision for income taxes		7,268		5,157		2,111
Provision for income taxes		3,088		2,300		788
Net earnings		4,180		2,857		1,323
Preferred dividend requirements and discount amortization		—		269		(269	)
Net earnings available to common stockholders	$	4,180	$	2,588	$	1,592
Diluted earnings per common share	$	0.19	$	0.12	$	0.07

Net Interest and Dividend Income

The increase in net interest and dividend income (detailed in the table that follows) was driven by an improved interest rate spread and a higher ratio of interest-earning assets to interest-bearing liabilities due to deployment of cash into new loans. The net interest margin improved to 2.86% in Q3-14 from 2.32% in Q3-13, primarily due to a 57 basis point increase in the interest rate spread and a $48 million increase in net interest-earning assets.

The higher spread reflected primarily the run-off of higher-cost legacy CDs, which reduced the average cost of funds by 52 basis points to 1.50% in Q3-14 from 2.02% in Q3-13. At the same time, the average yield on interest-earning assets increased slightly to 4.15% in Q3-14 from 4.10% in Q3-13 as slightly higher yields on security investments and the growth in net interest-earning assets were mostly offset by the negative impact of payoffs of older, higher yielding loans coupled with new loan originations at lower market interest rates.

Total average interest-earning assets increased by $12 million in Q3-14 from Q3-13, reflecting a $92 million increase in loans, partially offset by an $80 million decrease in total securities and overnight investments. At the same time, average deposits decreased by $36 million, while average stockholders’ equity increased by $5 million.

The following table provides information on our: average assets, liabilities and stockholders’ equity; yields earned on interest-earning assets; and rates paid on interest-bearing liabilities for the periods indicated. The yields and rates shown are based on a computation of income/expense (including any related fee income or expense) for each period divided by average interest-earning assets/interest-bearing liabilities during each period. Average balances are derived from daily balances. Net interest margin is computed by dividing net interest and dividend income by the average of total interest-earning assets during each period. The interest rate spread is the difference between the average yield earned on interest-earning assets and the average rate paid on interest-bearing liabilities. The net interest margin is greater than the interest rate spread due to the additional income earned on those assets funded by non-interest-bearing liabilities, primarily demand deposits, and stockholders’ equity.

35

	For the Quarter Ended
	September 30, 2014								September 30, 2013
($ in thousands)	Average Balance			Interest Inc./Exp.		Yield/ Rate (2)			Average Balance			Interest Inc./Exp.		Yield/ Rate (2)
Interest-earning assets:
Commercial real estate loans	$	898,270		$	11,438		5.05	%	$	802,633		$	10,906		5.39	%
Multifamily loans		202,211			2,352		4.61			203,430			2,545		4.96
1-4 family loans		59,758			834		5.54			64,115			932		5.77
Land loans		8,574			122		5.65			5,911			84		5.64
All other loans		1,155			14		4.81			1,489			19		5.06
Total loans (1)		1,169,968			14,760		5.01			1,077,578			14,486		5.33
U.S. government agencies securities		256,957			648		1.00			334,443			746		0.88
Residential mortgage-backed securities		80,214			373		1.84			75,139			256		1.35
State and municipal securities		530			2		1.50			532			2		1.49
Corporate securities (1)		—			—		—			2,871			—		—
Mutual funds and other equity securities		1,037			5		1.91			1,014			5		1.96
FRB and FHLB stock		7,933			113		5.65			8,235			112		5.40
Total securities		346,671			1,141		1.31			422,234			1,121		1.05
Other interest-earning assets		6,522			15		0.91			11,027			17		0.61
Total interest-earning assets		1,523,161		$	15,916		4.15	%		1,510,839		$	15,624		4.10	%
Noninterest-earning assets		25,419								66,375
Total assets	$	1,548,580							$	1,577,214
Interest-bearing liabilities:
Interest checking deposits	$	17,814		$	19		0.42	%	$	16,197		$	17		0.42	%
Savings deposits		10,410			8		0.30			9,656			7		0.29
Money market deposits		343,618			354		0.41			371,166			380		0.41
Certificates of deposit		871,303			4,149		1.89			881,848			5,988		2.69
Total deposit accounts		1,243,145			4,530		1.45			1,278,867			6,392		1.98
Debentures – capital securities		56,702			396		2.77			56,702			402		2.81
Total interest-bearing liabilities		1,299,847		$	4,926		1.50	%		1,335,569		$	6,794		2.02	%
Noninterest-bearing deposits		6,387								5,486
Noninterest-bearing liabilities		35,987								34,758
Preferred stockholder’s equity		—								9,113
Common stockholders’ equity		206,359								192,288
Total liabilities and stockholders’ equity	$	1,548,580							$	1,577,214
Net interest and dividend income/spread				$	10,990		2.65	%				$	8,830		2.08	%
Net interest-earning assets/margin (3)	$	223,314					2.86	%	$	175,270					2.32	%
Ratio of total interest-earning assets to total interest-bearing liabilities		1.17								1.13
Return on average assets (2)		1.08	%							0.72	%
Return on average common equity (2)		8.10	%							5.94	%
Noninterest expense to average assets (2) (5)		1.19	%							0.98	%
Efficiency ratio (4)		38	%							40	%
Average stockholders’ equity to average assets		13.33	%							12.77	%

(1) Includes average nonaccrual loans of $21.4 million in the 2014 period and $39.0 million in the 2013 period. Total interest income not accrued on such loans and excluded from the table totaled $92,000 in the 2014 period and $42,000 in the 2013 period. Total loan fees, net of direct origination costs, amortized and included in interest income amounted to $0.5 million in 2014 period and $0.4 million in 2013 period. Interest income on corporate securities was recognized on a cash basis. Interest income from state and municipal securities was taxable.

(2) Annualized.

(3) Net interest margin is reported exclusive of income from loan prepayments, which is included as a component of our noninterest income. Inclusive of income from loan prepayments, the margin would compute to 2.98% and 2.48% for the 2014 and 2013 period, respectively.

(4) Defined as noninterest expenses (excluding the provisions for loan and real estate losses and real estate activities expense, net) as a percentage of net interest and dividend income plus noninterest income.

(5) Noninterest expenses for this ratio excludes provisions for loan and real estate losses and real estate activities expense, net.

36

The following table provides information regarding changes in interest and dividend income and interest expense. For each category of interest-earning assets and interest-bearing liabilities, information is provided on changes attributable to (1) changes in rate (change in rate multiplied by prior volume), (2) changes in volume (change in volume multiplied by prior rate) and (3) changes in rate-volume (change in rate multiplied by change in volume).

	For the Quarter Ended Sep 30, 2014 versus Sep 30, 2013
	Increase (Decrease) Due To Change In:
($ in thousands)	Rate			Volume			Rate/Volume			Total
Interest-earning assets:
Total loans	$	(898	)	$	1,245		$	(73	)	$	274
Total securities		197			(157	)		(20	)		20
Total other interest-earning assets		8			(7	)		(3	)		(2	)
Total interest-earning assets		(693	)		1,081			(96	)		292
Interest-bearing liabilities:
Interest checking deposits		—			2			—			2
Savings deposits		—			1			—			1
Money market deposits		—			(28	)		2			(26	)
Certificates of deposit		(1,764	)		(71	)		(4	)		(1,839	)
Total deposit accounts		(1,764	)		(96	)		(2	)		(1,862	)
Total borrowed funds		(6	)		—			—			(6	)
Total interest-bearing liabilities		(1,770	)		(96	)		(2	)		(1,868	)
Net change in interest and dividend income	$	1,077		$	1,177		$	(94	)	$	2,160

Provision for Loan Losses

No provision for loan losses was recorded in Q3-14, compared to $0.3 million in Q3-13. The amounts recorded take into account increases or decreases in our total loan portfolio, changes in credit ratings of loans and the assessment of other quantitative and qualitative factors we use in determining the adequacy of the allowance for loan losses during each period.

Noninterest Income

Noninterest income increased to $1.0 million in Q3-14 from $0.9 million in Q3-13. The increase was due to a $0.2 million net gain on sales of securities available for sale in Q3-14 and the absence of security impairment charges in Q3-14 (compared to $0.3 million of impairment charges in Q3-13), largely offset by a lower level of loan prepayment income ($0.4 million in Q3-14 versus $0.6 million in Q3-13) and a decrease in other loan fees ($0.3 million in Q3-14 versus $0.5 million in Q3-13).

Noninterest Expenses

No provision for real estate losses was recorded in Q3-14, compared to $0.3 million in Q3-13. The provisions take into account changes in the estimated fair value of REO.

Real estate expenses, net of rental and other income, amounted to a net expense of $0.1 million in Q3-14, compared to $0.2 million in Q3-13. The decrease reflected a lower level of REO in the 2014 period.

Operating expenses increased to $4.6 million in Q3-14, from $3.9 million in Q3-13. The increase was largely due to higher professional fees of $0.8 million in Q3-14 associated with the previously announced proposed merger with Ozarks. We employed 75 people as of September 30, 2014, compared to 78 at September 30, 2013.

Provision for Income Taxes

The provision for income tax expense increased to $3.1 million in Q3-14, from $2.3 million in Q3-13, due to higher pre-tax income ($7.3 million in Q3-14 versus $5.2 million in Q3-13). Our effective income tax rate (inclusive of state and local taxes) was approximately 43% in Q3-14, compared to 45% in Q3-13.

37

Comparison of Results of Operations for the Nine-Months Ended September 30, 2014 and 2013

Selected information regarding our results of operations follows:

	For the Nine-Months Ended Sep 30,
($ in thousands)	2014			2013			Change
Interest and dividend income	$	47,495		$	47,496		$	(1	)
Interest expense		15,391			21,087			(5,696	)
Net interest and dividend income		32,104			26,409			5,695
Credit for loan losses		(1,500	)		(1,500	)		—
Noninterest income		4,336			2,346			1,990
Noninterest expenses:
Provision for real estate losses		—			955			(955	)
Real estate activities expense (income), net		616			(1,120	)		1,736
Operating expenses		13,112			11,954			1,158
Earnings before provision for income taxes		24,212			18,466			5,746
Provision for income taxes		10,452			8,179			2,273
Net earnings		13,760			10,287			3,473
Preferred dividend requirements and discount amortization		—			1,057			(1,057	)
Net earnings available to common stockholders	$	13,760		$	9,230		$	4,530
Diluted earnings per common share	$	0.62		$	0.42		$	0.20

Net Interest and Dividend Income

As described in greater detail in the section entitled “Comparison of Results of Operations for the Quarters Ended September 30, 2014 and 2013” under the caption “Net Interest and Dividend Income,” net interest and dividend income is our primary source of earnings.

In 9mths-14, net interest and dividend income (detailed in the table that follows) increased by $5.7 million from 9mths-13. Our net interest margin increased to 2.81% in 9mths-14, from 2.33% in 9mths-13. The average cost of funds decreased by 53 basis points to 1.55% in 9mths-14, from 2.08% in 9mths-13, while the average yield on earning assets decreased by only 3 basis points to 4.16% in 9mths-14, from 4.19% in 9mths-13.

Our total average interest-earning assets increased for the 9mths-14 period by $11 million from 9mths-13, reflecting an increase of $78 million in loans, partially offset by a $67 million decrease in total securities and overnight investments. At the same time, total average deposits decreased by $29 million and average stockholders’ equity decreased by $7 million. Average stockholders’ equity was impacted by the repurchase and retirement of $25 million of TARP preferred stock (plus payment of $5.1 million of preferred dividends) during the middle of 2013 and the repurchase and cancelation (for $2.9 million) in September 2014 of a related common stock warrant.

The reasons for the above variances are the same as those discussed in the comparison of quarterly operating results.

The following table provides information on our: average assets, liabilities and stockholders’ equity; yields earned on interest-earning assets; and rates paid on interest-bearing liabilities for the periods indicated. The yields and rates shown are based on a computation of income/expense (including any related fee income or expense) for each period divided by average interest-earning assets/interest-bearing liabilities during each period. Average balances are derived from daily balances. Net interest margin is computed by dividing net interest and dividend income by the average of total interest-earning assets during each period. The interest rate spread is the difference between the average yield earned on interest-earning assets and the average rate paid on interest-bearing liabilities. The net interest margin is greater than the interest rate spread due to the additional income earned on those assets funded by non-interest-bearing liabilities, primarily demand deposits, and stockholders’ equity.

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	For the Nine-Months Ended
	September 30, 2014								September 30, 2013
($ in thousands)	Average Balance			Interest Inc./Exp.		Yield/ Rate (2)			Average Balance			Interest Inc./Exp.		Yield/ Rate (2)
Interest-earning assets:
Commercial real estate loans	$	878,935		$	33,676		5.12	%	$	808,914		$	33,491		5.54	%
Multifamily loans		205,688			7,299		4.74			203,899			7,884		5.17
1-4 family loans		62,016			2,576		5.55			58,002			2,529		5.83
Land loans		8,762			365		5.57			6,238			269		5.77
All other loans		1,219			45		4.94			1,430			57		5.33
Total loans (1)		1,156,620			43,961		5.08			1,078,483			44,230		5.48
U.S. government agencies securities		273,620			2,039		1.00			335,834			2,204		0.88
Residential mortgage-backed securities		78,971			1,082		1.83			77,322			650		1.12
State and municipal securities		531			5		1.26			533			5		1.25
Corporate securities (1)		—			—		—			3,250			—		—
Mutual funds and other equity securities		1,031			18		2.33			1,009			16		2.12
FRB and FHLB stock		8,159			342		5.60			8,205			338		5.51
Total securities		362,312			3,486		1.29			426,153			3,213		1.01
Other interest-earning assets		7,508			48		0.85			11,080			53		0.64
Total interest-earning assets		1,526,440		$	47,495		4.16	%		1,515,716		$	47,496		4.19	%
Noninterest-earning assets		47,056								93,807
Total assets	$	1,573,496							$	1,609,523
Interest-bearing liabilities:
Interest checking deposits	$	17,730		$	55		0.41	%	$	15,331		$	47		0.41	%
Savings deposits		10,092			23		0.30			9,652			22		0.30
Money market deposits		353,312			1,078		0.41			378,366			1,149		0.41
Certificates of deposit		890,524			13,053		1.96			897,116			18,592		2.77
Total deposit accounts		1,271,658			14,209		1.49			1,300,465			19,810		2.04
Debentures – capital securities		56,702			1,182		2.79			56,702			1,277		3.01
Total interest-bearing liabilities		1,328,360		$	15,391		1.55	%	$	1,357,167		$	21,087		2.08	%
Noninterest-bearing deposits		6,545								5,199
Noninterest-bearing liabilities		35,925								37,310
Preferred stockholder’s equity		—								19,292
Common stockholders’ equity		202,666								190,555
Total liabilities and stockholders’ equity	$	1,573,496							$	1,609,523
Net interest and dividend income/spread				$	32,104		2.61	%				$	26,409		2.11	%
Net interest-earning assets/margin (3)	$	198,080					2.81	%	$	158,549					2.33	%
Ratio of total interest-earning assets to total interest-bearing liabilities		1.15								1.12
Return on average assets (2)		1.17	%							0.85	%
Return on average common equity (2)		9.05	%							7.20	%
Noninterest expense to average assets (2) (5)		1.11	%							0.99	%
Efficiency ratio (4)		36	%							42	%
Average stockholders’ equity to average assets		12.88	%							13.04	%

(1) Includes average nonaccrual loans of $30.1 million in the 2014 period and $41.0 million in the 2013 period. Total interest income not accrued on such loans and excluded from the table totaled $246,000 in the 2014 period and $145,000 in the 2013 period. Total loan fees, net of direct origination costs, amortized and included in interest income amounted to $1.2 million in the 2014 and 2013 periods. Interest income on corporate securities was recognized on a cash basis. Interest income from state and municipal securities was taxable.

(2) Annualized.

(3) Net interest margin is reported exclusive of income from loan prepayments, which is included as a component of our noninterest income. Inclusive of income from loan prepayments, the margin would compute to 3.07% and 2.49% for the 2014 and 2013 periods, respectively.

(4) Defined as noninterest expenses (excluding the provisions for loan and real estate losses and real estate activities (income) expense, net) as a percentage of net interest and dividend income plus noninterest income.

(5) Noninterest expenses for this ratio excludes provisions for loan and real estate losses and real estate activities (income) expense, net.

39

The following table provides information regarding changes in interest and dividend income and interest expense. For each category of interest-earning assets and interest-bearing liabilities, information is provided on changes attributable to (1) changes in rate (change in rate multiplied by prior volume), (2) changes in volume (change in volume multiplied by prior rate) and (3) changes in rate-volume (change in rate multiplied by change in volume).

	For the Nine-Months Ended Sep 30, 2014 versus Sep 30, 2013
	Increase (Decrease) Due To Change In:
($ in thousands)	Rate			Volume			Rate/Volume			Total
Interest-earning assets:
Total loans	$	(3,341	)	$	3,255		$	(183	)	$	(269	)
Total securities		722			(399	)		(50	)		273
Total other interest-earning assets		17			(17	)		(5	)		(5	)
Total interest-earning assets		(2,602	)		2,839			(238	)		(1	)
Interest-bearing liabilities:
Interest checking deposits		—			7			1			8
Savings deposits		—			1			—			1
Money market deposits		—			(77	)		6			(71	)
Certificates of deposit		(5,450	)		(137	)		48			(5,539	)
Total deposit accounts		(5,450	)		(206	)		55			(5,601	)
Total borrowed funds		(94	)		—			(1	)		(95	)
Total interest-bearing liabilities		(5,544	)		(206	)		54			(5,696	)
Net change in interest and dividend income	$	2,942		$	3,045		$	(292	)	$	5,695

Provision for Loan Losses

A credit for loan losses of $1.5 million was recorded in 9mths-14 and in 9mths-13. The credit for the 2014 period reflected improved credit quality resulting from the payoff of substandard loans and other credit upgrades, while the credit for the 2013 period was primarily due to partial cash recoveries of prior loan charge offs. The amounts recorded also take into account increases or decreases in our total loan portfolio, changes in credit ratings of loans and the assessment of other quantitative and qualitative factors we use in determining the adequacy of the allowance for loan losses during each period.

Noninterest Income

Noninterest income increased to $4.3 million in 9mths-14 from $2.3 million in 9mths-13. The increase was due to a higher level of loan prepayment income and the absence of security impairment charges in the 2014 period. Income from loan prepayments increased to $3.0 million in 9mths-14, from $1.9 million in 9mths-13, while security impairment charges amounted to none in 9mths-14, compared to $1.1 million in the 2013 period.

Noninterest Expenses

No provision for real estate losses was required in 9mths-14, compared to $0.9 million in 9mths-13, reflecting fewer properties owned through foreclosure. The provisions take into account changes in the estimated fair value of REO.

Real estate expenses, net of rental and other income, amounted to a net expense of $0.6 million in 9mths-14, compared to net income of $1.1 million in 9mths-13. The net income for the 2013 period reflected gains from sales of several properties and cash recoveries of expenses associated with previously owned properties. Exclusive of these non-recurring income items, net real estate expenses would have been $1.3 million in 9mths-13.

Operating expenses increased to $13.1 million in 9mths-14, from $12.0 million in 9mths-13. The increase was largely due to higher professional fees of $0.8 million in the 2014 period associated with the previously announced proposed merger with Ozarks. Also contributing to the increase were salary increases, higher stock compensation and employee bonus expense totaling $0.8 million, partially offset by a $0.4 million decrease in FDIC insurance premiums.

Provision for Income Taxes

We recorded a provision for income tax expense of $10.5 million (on pre-tax income of $24.2 million) in 9mths-14, compared to $8.2 million (on pre-tax income of $18.5 million) in 9mths-13. Our effective income tax rate (inclusive of state and local taxes) was 43% in 9mths-14, compared to and 44% in 9mths-13.

40

Off-Balance Sheet and Other Financing Arrangements

INB is party to financial instruments with off-balance sheet risk in the normal course of its business to meet the financing needs of its customers. These instruments can be in the form of commitments to extend credit, unused lines of credit and standby letters of credit, and may involve, to varying degrees, elements of credit and interest rate risk in excess of the amounts recognized in our financial statements. Our maximum exposure to credit risk is represented by the contractual amount of those instruments. At September 30, 2014, INB had approved loan commitments of $5 million (which excluded $6 million of loan commitments that were in process of being approved at that date), most of which are anticipated to be funded during 2014.

Liquidity and Capital Resources

The following discussion serves as an update to the section entitled “Liquidity and Capital Resources,” which begins on page 59 of our 2013 10-K, and should be read in conjunction with that discussion. For detail concerning our actual cash flows for the Q3-14, see the condensed consolidated statements of cash flows in this report.

Intervest National Bank

At September 30, 2014, INB had cash and short-term investments totaling $11 million, a large portion of which is expected to be used to fund loan commitments outstanding. At September 30, 2014, INB had $86 million, or 7.3%, of its loan portfolio (excluding nonaccrual loans) scheduled to mature within one year. INB expects to extend or refinance a large portion of these maturing loans.

At September 30, 2104, INB had available collateral consisting of investment securities and certain loans that could be pledged to support an aggregate of approximately $323 million in borrowings from the FHLB and FRB. INB also had access to overnight unsecured lines of credit from three banks totaling $41 million. At September 30, 2014, this total borrowing capacity of $364 million represented approximately 53% of INB’s deposits that are considered sensitive (money-market accounts and all certificate of deposit accounts (CDs), inclusive of brokered CDs, maturing within one year). At September 30, 2014 and December 31, 2013, INB had no borrowed funds outstanding. In the event that any of INB’s existing lines of credit were not accessible or were limited, INB could sell all or a portion of its securities available-for-sale portfolio as needed to provide liquidity.

During Q3-14, INB’s entire portfolio of securities held to maturity (HTM) was transferred to the available-for-sale category in order to provide additional flexibility in executing INB’s asset and liability management strategies. During Q3-14, proceeds from periodic sales of AFS securities totaled $37 million. The sales enhanced INB’s liquidity to fund new loans and planned deposit outflow. INB’s current strategy is to re-deploy low-yielding investments into loans or use the proceeds from sales, calls and maturities to fund planned deposit outflow. In Q3-14, INB significantly reduced its interest rates offered on longer-terms CDs from a high of 1.92% to 1.24% on its five-year CD term and most recently to 1.16% in October. INB expects these to result in additional deposit outflow for the rest of 2014. INB has historically targeted its loan-to-deposit ratio in a range from 75% to 85%. In Q3-14, INB increased this target to 95%. This ratio stood at 92% as of September 30, 2014. During October 2014, additional sales of securities were made totaling $77 million to take advantage of the bond rally that occurred in mid-October. These sales increased INB’s cash on hand to approximately $90 million at October 31, 2014 for use in funding planned deposit outflow and new loans.

At September 30, 2014, total deposits amounted to $1.21 billion consisting of CDs totaling $841 million, and checking, savings and money market accounts aggregating to $373 million. CDs represented 69% of total deposits and CDs of $100,000 or more totaled $465 million and included $68 million of brokered CDs and $57 million of CDs obtained from the national CD market (as that market is defined in our 2013 10-K). Brokered CDs had a weighted-average remaining term and stated interest rate of 3.1 years and 2.43%, respectively, at September 30, 2014, and $5 million mature by September 30, 2015. CDs obtained through the national CD market totaled $57 million and had a weighted-average rate and term of 1.41% and 3.3 years, respectively, at September 30, 2014, and none mature within the next twelve months. At September 30, 2014, $269 million, or 32% of total CDs (inclusive of brokered and national CDs), mature by September 30, 2015. INB currently does not expect to replace its maturing brokered and national CDs with new ones.

Most recently, INB has introduced or is in the process of introducing other deposit products such as remote deposit capture, landlord-tenant security deposits and electronic bill-pay, in effort to increase its non-CD deposit accounts. We cannot assure you that any of the forgoing plans or objectives will be successful or result in an increase in deposits or loans.

41

At September 30, 2014, INB’s regulatory capital ratios well exceeded those required to be categorized as a well-capitalized institution. INB does not expect to need additional capital over the next twelve months.

Intervest Bancshares Corporation.

At September 30, 2014, IBC had cash and short-term investments totaling $3.8 million, of which $3.1 million was available for use (inclusive of $2.8 million on deposit with INB). IBC relies on cash dividends received from INB to fund interest payments due on IBC’s outstanding debt (see note 8 to the financial statements) as well as for IBC’s payment of cash dividends.

During 9mths-14, IBC received a total of $4.0 million of dividends from INB, including $2.9 million that was used by IBC to purchase a common stock warrant held by the U.S. Treasury as discussed earlier in this report.

IBC’s regulatory capital ratios at September 30, 2014 well exceeded its minimum requirements and IBC does not expect to need additional capital over the next twelve months.

Summary

We consider our current liquidity and sources of funds sufficient to satisfy our outstanding lending commitments and maturing liabilities. We are not aware of any trends, demands, commitments or uncertainties other than those discussed above in this section or elsewhere in this report that are expected to have a material impact on our future operating results, liquidity or capital resources. However, there can be no assurances that adverse conditions will not arise in the credit and capital markets or from the restrictions placed or that may be placed on us by our regulators that would adversely impact our liquidity and ability to raise funds to meet our operations and satisfy our outstanding lending commitments and maturing liabilities or raise new working capital if needed. Additional information concerning our securities, loans, deposits and borrowings, including interest rates and maturity dates thereon, can be found in notes 2, 6, 7, and 8 to the financial statements in this report.

Contractual Obligations

The table below summarizes our contractual obligations as of September 30, 2014 due within the periods shown.

			Amounts Due Within
($ in thousands)	Total		1 Year		2-3 Years		4-5 Years		Over 5 Years
Deposits with stated maturities	$	841,048	$	269,267	$	372,191	$	192,519	$	7,071
Deposits with no stated maturities		373,276		373,276		—		—		—
Subordinated debentures—capital securities		56,702		—		—		—		56,702
Mortgage escrow payable and official checks outstanding		31,474		31,474		—		—		—
Unfunded loan commitments and lines of credit (1)		5,608		5,608		—		—		—
Operating lease payments		14,418		1,568		3,026		3,072		6,752
Accrued interest payable on deposits		850		850		—		—		—
Accrued interest payable on all borrowed funds		56		56		—		—		—
	$	1,323,432	$	682,099	$	375,217	$	195,591	$	70,525

(1) Since some of the commitments are expected to expire without being drawn upon, the total commitment amount does not necessarily represent future cash requirements.

Asset and Liability Management

For a discussion of our interest rate risk and the tools we use to manage it, including the gap analysis that follows and the factors that affect its computation and results, see pages 62 through 64 of our 2013 10-K.

As discussed in our 2013 10-K and in this report, our entire loan portfolio is comprised of fixed-rate loans, which increases our exposure to interest rate risk. Mitigating this somewhat was the loan portfolio’s short weighted-average contractual term of approximately 4.7 years at September 30, 2014.

At September 30, 2014, the gap analysis that follows indicated that our interest-bearing liabilities that were scheduled to mature or reprice within one year exceeded our interest-earning assets that were scheduled to mature or reprice within one year. This one-year interest rate sensitivity gap amounted to a negative $380 million, or a negative 25.1% of total assets, at September 30, 2014. As a result of the negative one-year gap, the composition of our balance sheet at September 30, 2014 was considered “liability-sensitive,” indicating that our interest-bearing liabilities would generally reprice with changes in interest rates more rapidly than our interest-earning assets.

42

The table below summarizes our interest-earning assets and interest-bearing liabilities as of September 30, 2014, scheduled to mature or reprice within the periods shown.

($ in thousands)	0-3 Months			4-12 Months			Over 1-5 Years			Over 5 Years			Total
Loans (1)	$	29,878		$	56,630		$	745,441		$	324,950		$	1,156,899
Loans – performing nonaccrual TDRs (1)		9,005			—			10,869			—			19,874
Securities available for sale (2)		200,635			11,747			77,470			15,495			305,347
Short-term investments		1,234			—			—			—			1,234
FRB and FHLB stock		1,784			—			—			5,931			7,715
Interest-earning time deposits with banks		1,225			795			2,600			—			4,620
Total rate-sensitive assets	$	243,761		$	69,172		$	836,380		$	346,376		$	1,495,689
Deposit accounts (3):
Interest checking	$	17,505		$	—		$	—		$	—		$	17,505
Savings		10,382			—			—			—			10,382
Money market		338,999			—			—			—			338,999
Certificates of deposit		61,043			208,224			564,710			7,071			841,048
Total deposits		427,929			208,224			564,710			7,071			1,207,934
Debentures (1)		56,702			—			—			—			56,702
Accrued interest on all borrowed funds (1)		56			—			—			—			56
Total borrowed funds		56,758			—			—			—			56,758
Total rate-sensitive liabilities	$	484,687		$	208,224		$	564,710		$	7,071		$	1,264,692
GAP (repricing differences)	$	(240,926	)	$	(139,052	)	$	271,670		$	339,305		$	230,997
Cumulative GAP	$	(240,926	)	$	(379,978	)	$	(108,308	)	$	230,997		$	230,997
Cumulative GAP to total assets		(15.9	)%		(25.1	)%		(7.2	)%		15.3	%		15.3	%

Significant assumptions used in preparing the preceding gap table follow:

(1) Loans with predetermined rate increases and floating-rate borrowings are included in the period in which their interest rates are next scheduled to adjust rather than in the period in which they mature. Fixed-rate loans, including those with options to extend are scheduled according to their contractual maturities. Deferred loan fees and the effect of possible loan prepayments are excluded from the analysis. Nonaccrual loans of $2.7 million are also excluded from the table.

(2) Securities are scheduled according to the earlier of their next callable date or the date on which the interest rate is scheduled to change. A large number of the securities have predetermined interest rate increases or “steps up” to a specified rate on one or more predetermined dates. Generally, the security becomes eligible for redemption by the issuer at the date of the first scheduled step-up.

(3) Interest checking, savings and money market deposits are regarded as 100% readily accessible withdrawable accounts and certificates of deposit are scheduled according to their contractual maturity dates. This assumption contributes significantly to the liability sensitive position reported per the one-year gap analysis. However, if such deposits were treated differently, the one-year gap would then change accordingly. It should be noted that depositors may not necessarily immediately withdraw funds in the event deposit rates offered by INB did not change as quickly and uniformly as changes in general market rates.

The table that follows summarizes the results of certain scenarios of our earnings simulation model as of September 30, 2014. The model takes into account our gap analysis as further adjusted by additional assumptions, including deposit decay factors for both rate and non-rate sensitive deposits. Furthermore, in determining the assumed rates offered on our deposit accounts in the model, we use internally developed beta factors that utilize historical data based on a specific time frames for both rising and declining interest rate environments.

			Rate Shock Scenario
($ in thousands)	Base Net interest and Dividend Income		100 Basis Point Decrease (1)			200 Basis Point Increase (1)			300 Basis Point Increase (2)
Next 12 months	$	42,914	$	42,561		$	40,300		$	35,632
% change				-0.82	%		-6.09	%		-16.97	%
Next 13-24 months	$	43,437	$	39,947		$	39,531		$	37,955
% change				-8.03	%		-8.99	%		-12.62	%
2 Year Cumulative	$	86,351	$	82,508		$	79,831		$	73,587
% change				-4.45	%		-7.55	%		-14.78	%

(1) The model for this scenario covers a 24 month horizon and assumes interest rate changes are gradually ramped up or down over a 12 month horizon using various assumptions based upon a parallel yield curve shift and are subsequently sustained at those levels for the remainder of the simulation horizon.

(2) The model for this scenario utilizes an instantaneous parallel rate shock and is maintained at those levels for the entire simulation horizon.

43

A sudden and substantial change in interest rates may adversely impact our net interest and dividend income to a larger extent than noted above if interest rates on our assets and liabilities do not change at the same speed, to the same extent, or on the same basis, as those assumed in the model.

Recent Accounting Standards

See note 1 to the financial statements in this report for a discussion of this topic.

ITEM 3. Quantitative and Qualitative Disclosures about Market Risk

Market risk is the risk of loss from adverse changes in market prices and interest rates. Our market risk arises primarily from interest rate risk inherent in our lending, security investing, deposit-taking and borrowing activities. We do not engage in and accordingly have no direct risk related to trading accounts, commodities, interest rate hedges or foreign exchange. The measurement of market risk associated with financial instruments is meaningful only when all related and offsetting on-and off-balance sheet transactions are aggregated, and the resulting net positions are identified. Disclosures about the fair value of financial instruments, which reflect changes in market prices and rates, can be found in note 14 to the financial statements in this report. We also actively monitor and manage our interest rate risk exposure as discussed in Item 2 above under the caption “Asset and Liability Management.”

ITEM 4. Controls and Procedures

Our management evaluated, with the participation of our Principal Executive and Financial Officers, the effectiveness of the design and operation of our company’s disclosure controls and procedures (as defined in Rule 13a-15(e) or 15d-15(e) under the Securities Exchange Act of 1934) as of the end of the period covered by this report. Based on such evaluation, the Principal Executive and Financial Officers have concluded that as of September 30, 2014, our disclosure controls and procedures were effective. There has been no change in our internal control over financial reporting identified in connection with the evaluation required by paragraph (d) of Rule 13a-15 or 15d-15 that occurred during our most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

PART II. OTHER INFORMATION

ITEM 1. Legal Proceedings

We are periodically a party to or otherwise involved in legal proceedings arising in the normal course of business, such as foreclosure proceedings. Based on review and consultation with our legal counsel, we do not believe that there is any pending or threatened proceeding against us, which, if determined adversely, would have a material effect on our business, results of operations, financial position or liquidity, other than litigation discussed below related to our proposed Merger disclosed in note 1 to the financial statements in this report.

On August 7, 2014, a putative class action complaint, captioned GreenTech Research LLC v. Callen, et al. (the “Greentech Action”), was filed in the Supreme Court of the State of New York for New York County, by an entity purporting to be a stockholder of Intervest. On August 19, 2014, a putative class action complaint, captioned Sonnenberg v. Intervest Bancshares Corp., et al., was filed in the Supreme Court of the State of New York for New York County, by an entity purporting to be a stockholder of IBC (also referred to as Intervest). Each of the complaints alleges that the directors of Intervest breached their fiduciary duties to Intervest’s stockholders in connection with the merger by approving a transaction pursuant to an allegedly inadequate process that undervalues Intervest and includes preclusive deal protection provisions; and that Intervest and Ozarks allegedly aided and abetted the Intervest directors in breaching their duties to Intervest’s stockholders. The complaints seek court certification of the respective plaintiffs as class representatives and that such proceedings may proceed as stockholder class actions, and various remedies, including enjoining the merger from being consummated in accordance with its agreed-upon terms, rescission or an award of rescissory damages in the event that the merger is consummated, an accounting by the defendants to the plaintiff class for all damages caused by the defendants, recovery of plaintiffs’ costs and attorneys’ and experts’ fees relating to the lawsuit, and such further relief as the court deems just and proper. The individual plaintiffs and the defendants have stipulated to the court that the two actions, as well as any further actions brought in the same court, should be consolidated for further proceedings in the same court in order to minimize expense and promote a more efficient proceeding. On October 14, 2014, the plaintiff in the Greentech Action filed an amended complaint alleging, among other things, inadequacy of the disclosures contained in the proxy statement/prospectus included in the Registration Statement on Form S-4 filed by Ozarks on September 29, 2014. The defendants named in these lawsuits, including Intervest, deny the allegations in the complaints and intend to vigorously defend against these lawsuits.

44

ITEM 1A. Risk Factors

This item requires disclosure of any new or material changes to our risk factors disclosed in our 2013 10-K, where such factors are discussed on pages 27 through 35. There were no material changes to the risk factors during the quarter ended September 30, 2014, other than two new risk factors discussed below, both of which are associated with the proposed merger with Ozarks. The risks described below and in our 2013 10-K are not the only risks facing our company. Additional risks not presently known to us, or that we currently deem immaterial, may also adversely affect our business, financial condition or results of operations.

The proposed merger with Bank of the Ozarks, Inc. may not be completed or the Merger Agreement may be terminated in accordance with its terms, which could adversely affect our business and results of operations.

On July 31, 2014, IBC and INB entered into a definitive agreement and plan of merger (the “Merger Agreement”) with Bank of the Ozarks, Inc. (“Ozarks”) and its wholly-owned bank subsidiary, Bank of the Ozarks, relating to a proposed merger transaction. The merger is expected to be completed by the end of the first quarter of 2015.

The Merger Agreement is subject to a number of conditions that must be fulfilled to complete the merger. Those conditions include: approval of the Merger Agreement by the stockholders of IBC, receipt of requisite regulatory approvals, the continued accuracy of the representations and warranties by both parties and the performance by both parties of their covenants and agreements. If the required conditions to the closing of the merger are not fulfilled, then the merger may not be completed.

Furthermore, the parties may mutually decide to terminate the Agreement at any time, before or after approval by the stockholders of IBC, or the parties may elect to terminate the Agreement in certain other circumstances. If the Agreement is terminated, our business may be adversely impacted by the failure to pursue other beneficial opportunities due to the focus of management and the board of directors on the merger. In addition, if the Agreement is terminated, the market price of our common stock might decline. If the Merger Agreement is terminated and our board of directors seeks another merger or business combination, we may not be certain that we will be able to find a party willing to offer equivalent or more attractive consideration than the consideration we anticipate will be paid to IBC stockholders in connection the the proposed merger with Ozarks. If the Merger Agreement is terminated under certain circumstances, we may be required to pay a termination fee of $7.9 million to Ozarks or liquidated damages of $1.75 million. Ozarks is not required to pay us any fees if the Merger Agreement is terminated.

In connection with the proposed merger, we will incur significant expenses and be subject to business uncertainties while the merger is pending. Our business, operations and financial results may be materially adversely affected by such expenses and business uncertainties arising in connection with the proposed merger.

In connection with the proposed merger, we incurred approximately $0.8 million through September 30, 2014 in merger related expenses and will continue to incur indirect and direct merger related expenses, which will be significant. We will also be subject to business uncertainties while the merger is pending, including the potential loss of key employees. Uncertainty about the effect of the merger on our employees, as well as our customers, borrowers and the real estate brokers that we use to generate our real estate loans, may have an adverse effect on our business.

These uncertainties may impair our ability to attract, retain and motivate key personnel until the merger is completed and could cause our customers, borrowers, real estate brokers and others that deal with us to seek to change or eliminate existing business relationships with us. Retention of certain employees may be challenging during the pendency of the merger, as employees may experience uncertainty about their future roles. Since the merger was announced, we have lost some employees and officers. If key employees depart because of issues relating to the uncertainty and difficulty of integration or a desire not to remain with the business, our business and financial results could be negatively impacted. Furthermore, a failed merger transaction may result in negative publicity and a negative impression of us in the investment community. There can be no assurance that our business will not be negatively impacted if the merger is not consummated.

45

ITEM 2. Unregistered Sales of Equity Securities and Use of Proceeds

Not Applicable

ITEM 3. Defaults Upon Senior Securities

Not Applicable

ITEM 4. Mine Safety Disclosures

Not Applicable

ITEM 5. Other Information

Not Applicable

ITEM 6. Exhibits

The information called for by this item is incorporated by reference to the Exhibit Index included in this Quarterly Report on Form 10-Q, immediately following the signature page.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Company has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	INTERVEST BANCSHARES CORPORATION (Registrant)
Date: November 4, 2014	By:	/s/ Lowell S. Dansker
		Lowell S. Dansker, Chairman and Chief Executive Officer
		(Principal Executive Officer)
Date: November 4, 2014	By:	/s/ John J. Arvonio
		John J. Arvonio, Chief Financial and Accounting Officer
		(Principal Financial Officer)

46

Intervest Bancshares Corporation and Subsidiary

Exhibit Index

The following exhibits are filed as part of this report.

Exhibit #	Exhibit Description
2.1	Agreement and Plan of Merger, dated as of July 31, 2014, by and among Intervest Bancshares Corporation, Intervest National Bank, Bank of the Ozarks, Inc. and Bank of the Ozarks (incorporated herein by reference to Exhibit 2.1 to IBC’s Current Report on Form 8-K filed on July 31, 2014). Pursuant to Item 601(b)(2) of Regulation S-K, certain schedules to this agreement were not filed with this exhibit. The schedules contain various items relating to the business of and the representations and warranties made by IBC and INB. IBC agrees to furnish supplementally any omitted schedule to the SEC upon request.
2.2	List of Schedules to the Agreement and Plan of Merger (incorporated herein by reference to Exhibit 2.2 to IBC’s Current Report on Form 8-K filed on July 31, 2014).
31.0	Certification of the principal executive officer pursuant to Section 302 of The Sarbanes-Oxley Act of 2002.
31.1	Certification of the principal financial officer pursuant to Section 302 of The Sarbanes-Oxley Act of 2002.
32.0	Certification of the principal executive and financial officers pursuant to Section 906 of The Sarbanes-Oxley Act of 2002.
101.0	The following materials from Intervest Bancshares Corporation’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2014, formatted in Extensible Business Reporting Language (XBRL): (i)     Condensed Consolidated Balance Sheets; (ii)    Condensed Consolidated Statements of Earnings; (iii)  Condensed Consolidated Statements of Comprehensive Income; (iv)   Condensed Consolidated Statements of Changes in Stockholders’ Equity; (v)    Condensed Consolidated Statements of Cash Flows; and (vi)   Related financial statement footnotes.

47

EX-31.0

Exhibit 31.0

Certification of the Principal Executive Officer

Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Lowell S. Dansker, certify that:

1. I have reviewed this report on Form 10-Q of Intervest Bancshares Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a

material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

/s/ Lowell S. Dansker

Lowell S. Dansker, Chairman and Chief Executive Officer

(Principal Executive Officer)

Date: November 4, 2014

EX-31.1

Exhibit 31.1

Certification of the Principal Financial Officer

Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, John J. Arvonio, certify that:

1. I have reviewed this report on Form 10-Q of Intervest Bancshares Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a

material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

/s/ John J. Arvonio

John J. Arvonio, Chief Financial and Accounting Officer

(Principal Financial Officer)

Date: November 4, 2014

EX-32.0

Exhibit 32.0

Certification by the Principal Executive Officer and Principal Financial Officer

Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the filing of the Quarterly Report on Form 10-Q for the quarter ended September 30, 2014 (the “Report”) by Intervest Bancshares Corporation (the “Company”), each of the undersigned, as the principal executive and principal financial officers of the Company, hereby certifies pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to our knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Lowell S. Dansker

Lowell S. Dansker, Chairman and Chief Executive Officer

(Principal Executive Officer)

Date: November 4, 2014

/s/ John J. Arvonio

John J. Arvonio, Chief Financial and Accounting Officer

(Principal Financial Officer)

Date: November 4, 2014

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signatures that appear in typed form within the electronic version of this written statement required by Section 906, has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Securities Held to Maturity and Available for Sale - Carrying Value (Estimated Fair Value) and Amortized Cost of Securities Available for Sale (Parenthetical) (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Schedule of Held-to-maturity Securities [Line Items]
Available for sale, Amortized Cost	$ 305,347	$ 965
Shares owned in an intermediate bond fund	93,342	91,683
Government National Mortgage Association [Member]
Schedule of Held-to-maturity Securities [Line Items]
Available for sale, Amortized Cost	11,200	13,600
Federal National Mortgage Association [Member]
Schedule of Held-to-maturity Securities [Line Items]
Available for sale, Amortized Cost	68,500	63,900
Federal National Mortgage Association Delegated Underwriting and Servicing [Member]
Schedule of Held-to-maturity Securities [Line Items]
Available for sale, Amortized Cost	$ 16,000	$ 7,000

XML

Allowance for Loan Losses - Allowance for Loan Losses by Loan Type (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance at beginning of period	$ 26,598	$ 26,455	$ 27,833	$ 28,103
Loan chargeoffs				(1,938)
Loan recoveries	36	72	301	2,112
Provision (credit) for loan losses		250	(1,500)	(1,500)
Balance at end of period	26,634	26,777	26,634	26,777
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance at beginning of period	18,381	17,596	18,403	19,051
Loan chargeoffs				(1,932)
Loan recoveries	36	67	287	947
Provision (credit) for loan losses	17	(175)	(256)	(578)
Balance at end of period	18,434	17,488	18,434	17,488
Multifamily Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance at beginning of period	4,964	5,098	5,097	6,881
Loan chargeoffs				(6)
Loan recoveries		5	14	682
Provision (credit) for loan losses	(139)	212	(286)	(2,242)
Balance at end of period	4,825	5,315	4,825	5,315
One to Four Family [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance at beginning of period	2,358	2,795	3,017	1,120
Loan chargeoffs
Loan recoveries
Provision (credit) for loan losses	(28)	229	(687)	1,904
Balance at end of period	2,330	3,024	2,330	3,024
Land [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance at beginning of period	887	956	1,308	1,043
Loan chargeoffs
Loan recoveries				483
Provision (credit) for loan losses	150	(15)	(271)	(585)
Balance at end of period	1,037	941	1,037	941
All Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance at beginning of period	8	10	8	8
Loan chargeoffs
Loan recoveries
Provision (credit) for loan losses		(1)		1
Balance at end of period	$ 8	$ 9	$ 8	$ 9

XML

Loans Receivable - Age Analysis of Loan Portfolio by Segment (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Mortgage Loans on Real Estate [Line Items]
Total Portfolio	$ 1,179,437	$ 1,131,550
Current	1,164,755	1,124,822
Past Due 31-59 Days		2,641
Past Due 60-89 Days	8,051
Past Due 90 or more Days	6,630	4,087
Total Past Due	14,681	6,728
Accruing Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Total Portfolio	1,156,899	1,095,647
Current	1,149,202	1,088,919
Past Due 31-59 Days		2,641
Past Due 60-89 Days	3,731
Past Due 90 or more Days	3,965	4,087
Total Past Due	7,696	6,728
Nonaccrual Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Total Portfolio	22,538
Current	15,553
Past Due 31-59 Days
Past Due 60-89 Days	4,320
Past Due 90 or more Days	2,665
Total Past Due	6,985
Commercial Real Estate [Member]
Mortgage Loans on Real Estate [Line Items]
Total Portfolio	908,697	838,766
Commercial Real Estate [Member] | Accruing Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Total Portfolio	888,420	802,863
Current	886,078	796,980
Past Due 31-59 Days		1,796
Past Due 60-89 Days	378
Past Due 90 or more Days	1,963	4,087
Total Past Due	2,341	5,883
Commercial Real Estate [Member] | Nonaccrual Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Total Portfolio	20,277	35,903
Current	13,292	35,903
Past Due 31-59 Days
Past Due 60-89 Days	4,320
Past Due 90 or more Days	2,665
Total Past Due	6,985
Multifamily Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Total Portfolio	200,251	210,270
Multifamily Loans [Member] | Accruing Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Total Portfolio	197,990	210,270
Current	192,635	209,426
Past Due 31-59 Days		844
Past Due 60-89 Days	3,353
Past Due 90 or more Days	2,002
Total Past Due	5,355	844
Multifamily Loans [Member] | Nonaccrual Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Total Portfolio	2,261
Current	2,261
Past Due 31-59 Days
Past Due 60-89 Days
Past Due 90 or more Days
Total Past Due
One to Four Family [Member]
Mortgage Loans on Real Estate [Line Items]
Total Portfolio	59,472	72,064
One to Four Family [Member] | Accruing Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Total Portfolio	59,472	72,064
Current	59,472	72,064
Past Due 31-59 Days
Past Due 60-89 Days
Past Due 90 or more Days
Total Past Due
Land [Member]
Mortgage Loans on Real Estate [Line Items]
Total Portfolio	9,875	9,178
Land [Member] | Accruing Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Total Portfolio	9,875	9,178
Current	9,875	9,178
Past Due 31-59 Days
Past Due 60-89 Days
Past Due 90 or more Days
Total Past Due
All Other [Member]
Mortgage Loans on Real Estate [Line Items]
Total Portfolio	1,142	1,272
All Other [Member] | Accruing Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Total Portfolio	1,142	1,272
Current	1,142	1,271
Past Due 31-59 Days		1
Past Due 60-89 Days
Past Due 90 or more Days
Total Past Due		$ 1

XML

Earnings Per Common Share and Common Stock Dividend - Summary of Basic and Diluted Earnings Per Common Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Basic Earnings Per Common Share:
Net earnings available to common stockholders	$ 4,180	$ 2,588	$ 13,760	$ 9,230
Weighted-Average number of common shares outstanding	22,024,722	21,915,596	22,013,754	21,891,886
Basic earnings per common share	$ 0.19	$ 0.12	$ 0.62	$ 0.42
Diluted Earnings Per Common Share:
Net earnings applicable to common stockholders	$ 4,180	$ 2,588	$ 13,760	$ 9,230
Weighted-Average number of common shares outstanding:
Common shares outstanding	22,024,722	21,915,596	22,013,754	21,891,886
Potential dilutive shares resulting from exercise of warrants /options	243,523	135,866	192,981	81,064
Total average number of common shares outstanding used for dilution	22,268,245	22,051,462	22,206,735	21,972,950
Diluted earnings per common share	$ 0.19	$ 0.12	$ 0.62	$ 0.42

XML

Allowance for Loan Losses - Allowance for Loan Losses by Loan Type (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 30, 2013	Mar. 31, 2013 SecurityLoan
Receivables [Abstract]
Net Proceeds of loans	$ 0.1	$ 2.7
Recovery of prior loan charge offs		1.2
Recovery of prior real estate expenses		$ 1.6
Number of loans associated with recoveries of prior real estate expenses		2

XML

Fair Value Measurements - Available-for-sale Securities Measured at Fair Value on a Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities	$ 305,347	$ 965
Debt Securities [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities	304,351
Debt Securities [Member] | U.S. government agencies [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities	224,132
Debt Securities [Member] | Residential mortgage-backed [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities	79,690
Debt Securities [Member] | State and municipal [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities	529
Equity Securities [Member] | Mutual funds investment [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities	996	965
Fair Value Measurement, Level 1 [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities	996
Fair Value Measurement, Level 1 [Member] | Debt Securities [Member] | U.S. government agencies [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities
Fair Value Measurement, Level 1 [Member] | Debt Securities [Member] | Residential mortgage-backed [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities
Fair Value Measurement, Level 1 [Member] | Debt Securities [Member] | State and municipal [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities
Fair Value Measurement, Level 1 [Member] | Equity Securities [Member] | Mutual funds investment [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities	996
Fair Value Measurement, Level 2 [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities	304,351
Fair Value Measurement, Level 2 [Member] | Debt Securities [Member] | U.S. government agencies [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities	224,132
Fair Value Measurement, Level 2 [Member] | Debt Securities [Member] | Residential mortgage-backed [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities	79,690
Fair Value Measurement, Level 2 [Member] | Debt Securities [Member] | State and municipal [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities	529
Fair Value Measurement, Level 2 [Member] | Equity Securities [Member] | Mutual funds investment [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Available for sale securities

XML

Loans Receivable - Summary of Impaired Loans (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014 SecurityLoan	Dec. 31, 2013 SecurityLoan
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	$ 54,905	$ 57,160
Specific Valuation Allowance	5,115	6,093
Total Unpaid Principal	58,689	64,601
# of Loans	12	13
New York [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	8,106	8,223
Florida [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	26,329	27,070
Virginia [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	7,677	7,828
Georgia [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	8,608	8,695
Connecticut [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	2,665	2,719
Ohio [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment		1,000
South Dakota [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	1,520	1,625
Retail [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	27,453	28,775
Specific Valuation Allowance	2,456	3,052
Total Unpaid Principal	31,150	36,216
# of Loans	6	7
Retail [Member] | New York [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	8,106	8,223
Retail [Member] | Florida [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	9,005	9,005
Retail [Member] | Virginia [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	7,677	7,828
Retail [Member] | Georgia [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Retail [Member] | Connecticut [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	2,665	2,719
Retail [Member] | Ohio [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment		1,000
Retail [Member] | South Dakota [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Office Building [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	22,828	23,632
Specific Valuation Allowance	1,913	1,947
Total Unpaid Principal	22,915	23,632
# of Loans	3	3
Office Building [Member] | New York [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Office Building [Member] | Florida [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	14,220	14,937
Office Building [Member] | Virginia [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Office Building [Member] | Georgia [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	8,608	8,695
Office Building [Member] | Connecticut [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Office Building [Member] | Ohio [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Office Building [Member] | South Dakota [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Multifamily Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	3,104	3,128
Specific Valuation Allowance	590	594
Total Unpaid Principal	3,104	3,128
# of Loans	2	2
Multifamily Loans [Member] | New York [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Multifamily Loans [Member] | Florida [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	3,104	3,128
Multifamily Loans [Member] | Virginia [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Multifamily Loans [Member] | Georgia [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Multifamily Loans [Member] | Connecticut [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Multifamily Loans [Member] | Ohio [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Multifamily Loans [Member] | South Dakota [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Land [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	1,520	1,625
Specific Valuation Allowance	156	500
Total Unpaid Principal	1,520	1,625
# of Loans	1	1
Land [Member] | New York [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Land [Member] | Florida [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Land [Member] | Virginia [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Land [Member] | Georgia [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Land [Member] | Connecticut [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Land [Member] | Ohio [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment
Land [Member] | South Dakota [Member]
Mortgage Loans on Real Estate [Line Items]
Recorded Investment	$ 1,520	$ 1,625

XML

Off-Balance Sheet Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2014

Investments, All Other Investments [Abstract]

Summary of Contractual Amounts of Off-Balance Sheet Financial Instruments

The contractual amounts of off-balance sheet financial instruments are as follows:

($ in thousands)	At September 30, 2014		At December 31, 2013
Commitments to extend credit	$	23,134	$	19,386
Unused lines of credit		787		877
	$	23,921	$	20,263

XML

Fair Value Measurements - Assets Measured at Fair Value on a Nonrecurring Basis (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accumulated Losses on Outstanding Balance	$ 8,553		$ 8,553		$ 14,633
Total Losses (Gains)	(457)	413	(1,482)	935
Foreclosed Real Estate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accumulated Losses on Outstanding Balance	390		390		2,017
Total Losses (Gains)		149	(203)	135
Impaired Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Losses (Gains)		273		964
Impaired Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accumulated Losses on Outstanding Balance	8,163		8,163		12,616
Total Losses (Gains)	(457)	(9)	(1,279)	(164)
Impaired Loans [Member] | Commercial Real Estate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accumulated Losses on Outstanding Balance	7,416		7,416		11,522
Total Losses (Gains)	(452)		(918)	823
Impaired Loans [Member] | Multifamily Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accumulated Losses on Outstanding Balance	591		591		594
Total Losses (Gains)		(7)	(17)	(964)
Impaired Loans [Member] | Land [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accumulated Losses on Outstanding Balance	156		156		500
Total Losses (Gains)	(5)	(2)	(344)	(23)
Fair Value Measurement, Level 3 [Member] | Foreclosed Real Estate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Outstanding Carrying Value	2,650		2,650		10,669
Fair Value Measurement, Level 3 [Member] | Impaired Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Outstanding Carrying Value	54,905		54,905		57,160
Fair Value Measurement, Level 3 [Member] | Impaired Loans [Member] | Commercial Real Estate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Outstanding Carrying Value	50,281		50,281		52,407
Fair Value Measurement, Level 3 [Member] | Impaired Loans [Member] | Multifamily Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Outstanding Carrying Value	3,104		3,104		3,128
Fair Value Measurement, Level 3 [Member] | Impaired Loans [Member] | Land [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Outstanding Carrying Value	$ 1,520		$ 1,520		$ 1,625

XML

Contingencies - Additional Information (Detail) (USD $)	9 Months Ended
	Sep. 30, 2014
Commitments and Contingencies Disclosure [Abstract]
Liability or reserve recognized from litigation related to merger	$ 0

XML

Foreclosed Real Estate and Valuation Allowance for Real Estate Losses - Summary of Real Estate Acquired through Foreclosure by Property Type (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014 Property	Dec. 31, 2013 Property
Real Estate Properties [Line Items]
# of Properties	1	3
Amount	$ 2,650	$ 10,669
Commercial Real Estate [Member]
Real Estate Properties [Line Items]
# of Properties	1	2
Amount	2,650	3,984
Multifamily Loans [Member]
Real Estate Properties [Line Items]
# of Properties		1
Amount		$ 6,685

XML

Off-Balance Sheet Financial Instruments - Summary of Contractual Amounts of Off-Balance Sheet Financial Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet financial instruments, contractual amount	$ 23,921	$ 20,263
Commitments to Extend Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet financial instruments, contractual amount	23,134	19,386
Unused Lines of Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet financial instruments, contractual amount	$ 787	$ 877

XML

Fair Value Measurements - Carrying and Estimated Fair Values of Financial Instruments (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Financial Assets:
Securities held to maturity, net		$ 378,507,000
Time deposits with banks	4,620,000	5,370,000
Securities available for sale, net	305,347,000	965,000
Securities held to maturity, net		383,937,000
Fair Value Measurement, Level 1 [Member]
Financial Assets:
Securities held to maturity, net	1,000,000
Securities available for sale, net	996,000
Fair Value Measurement, Level 2 [Member]
Financial Assets:
Securities available for sale, net	304,351,000
Fair Value [Member]
Financial Assets:
Total Financial Assets	1,497,071,000	1,525,313,000
Financial Liabilities:
Total Financial Liabilities	1,286,631,000	1,353,866,000
Net Financial Assets	210,440,000	171,447,000
Fair Value [Member] | Fair Value Measurement, Level 1 [Member]
Financial Assets:
Cash and cash equivalents	11,483,000	24,700,000
Time deposits with banks	4,620,000	5,370,000
Securities available for sale, net	305,347,000	965,000
Fair Value [Member] | Fair Value Measurement, Level 2 [Member]
Financial Assets:
Securities held to maturity, net		378,507,000
Fair Value [Member] | Fair Value Measurement, Level 3 [Member]
Financial Assets:
FRB and FHLB stock	7,715,000	8,244,000
Loans receivable, net	1,161,476,000	1,100,858,000
Accrued interest receivable	4,665,000	4,861,000
Loan fees receivable	1,765,000	1,808,000
Financial Liabilities:
Deposits	1,229,119,000	1,294,690,000
Borrowed funds plus accrued interest payable	56,516,000	57,260,000
Accrued interest payable on deposits	850,000	1,508,000
Commitments to lend	146,000	408,000
Carrying Value [Member]
Financial Assets:
Cash and cash equivalents	11,483,000	24,700,000
Time deposits with banks	4,620,000	5,370,000
Securities available for sale, net	305,347,000	965,000
Securities held to maturity, net		383,937,000
FRB and FHLB stock	7,715,000	8,244,000
Loans receivable, net	1,148,635,000	1,099,689,000
Accrued interest receivable	4,665,000	4,861,000
Loan fees receivable	2,224,000	2,298,000
Total Financial Assets	1,484,689,000	1,530,064,000
Financial Liabilities:
Deposits	1,214,324,000	1,282,232,000
Borrowed funds plus accrued interest payable	56,758,000	57,570,000
Accrued interest payable on deposits	850,000	1,508,000
Commitments to lend	146,000	408,000
Total Financial Liabilities	1,272,078,000	1,341,718,000
Net Financial Assets	$ 212,611,000	$ 188,346,000

XML

Fair Value Measurements - Additional Information (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, net	$ 305,347,000	$ 965,000
Fair Value Measurement, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, net	996,000
Fair Value Measurement, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, net		1,000,000
Liabilities that were recorded at fair value	$ 0	$ 0

XML

Earnings Per Common Share and Common Stock Dividend - Summary of Basic and Diluted Earnings Per Common Share (Parenthetical) (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Earnings Per Share [Abstract]
Outstanding options/warrants to purchase, shares	110,040	234,430	110,040	234,430

XML

Securities Held to Maturity and Available for Sale (Tables)

9 Months Ended

Sep. 30, 2014

Investments, Debt and Equity Securities [Abstract]

Carrying Value (Estimated Fair Value) and Amortized Cost of Securities Available for Sale

The carrying value (estimated fair value) and amortized cost of securities available for sale are as follows as of the dates indicated:

($ in thousands)	Number of Securities		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Wtd-Avg Yield			Wtd-Avg Expected Life		Wtd-Avg Remaining Maturity
At September 30, 2014
U.S. government agencies (1)		125	$	226,361	$	15	$	2,244	$	224,132		1.00	%		2.9 Yrs		3.5 Yrs
Residential mortgage-backed (2)		70		79,512		524		346		79,690		1.90	%		4.5 Yrs		13.1 Yrs
State and municipal		1		530		—		1		529		1.25	%		2.5 Yrs		2.5 Yrs
		196		306,403		539		2,591		304,351		1.23	%		3.3 Yrs		6.0 Yrs
Mutual fund investment (3)		1		1,038		—		42		996
		197	$	307,441	$	539	$	2,633	$	305,347
At December 31, 2013
Mutual fund investment (3)		1	$	1,021		—	$	56	$	965

(1) Consist of debt obligations of U.S. government sponsored agencies (GSEs) – Federal Home Loan Bank (FHLB), Federal Farm Credit Bank (FFCB), Federal National Mortgage Association (FNMA) and Federal Home Loan Mortgage Corporation (FHLMC), which are federally chartered corporations privately owned by shareholders. GSE securities carry no explicit U.S. government guarantee of creditworthiness. Neither principal nor interest payments are guaranteed by the U.S. government nor do they constitute a debt or obligation of the U.S. government or any of its agencies or instrumentalities other than the applicable GSE. FNMA and FHLMC are under U.S. government conservatorship.

(2) At September 30, 2014, the portfolio consisted of $11.2 million of Government National Mortgage Association (GNMA) residential pass-through certificates and $68.5 million of residential participation certificates issued by FNMA or FHLMC, compared to $13.6 million and $63.9 million, respectively, at December 31, 2013. The GNMA pass-through certificates are guaranteed as to the payment of principal and interest by the full faith and credit of the U.S. government while the FNMA and FHLMC certificates have an implied guarantee by such agency as to principal and interest payments. Included in this line item are investments in FNMA Delegated Underwriting and Servicing (DUS) mortgage-backed securities (of approximately $16 million at September 30, 2014 and $7.0 million at December 31, 2013) that are backed by eligible multifamily pools that typically contain one loan or single purpose entity.

(3) The investment represented approximately 93,342 shares at September 30, 2014 and 91,683 shares at December 31, 2013, of an intermediate bond fund that holds securities that are deemed to be qualified under the Community Reinvestment Act.

Carrying Value (Amortized Cost) and Estimated Fair Value of Securities Held to Maturity

The carrying value (amortized cost) and estimated fair value of securities held to maturity are as follows:

($ in thousands)	Number of Securities		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Wtd-Avg Yield			Wtd-Avg Expected Life		Wtd-Avg Remaining Maturity
At December 31, 2013
U.S. government agencies (1)		161	$	305,906	$	410	$	4,947	$	301,369		0.94	%		3.0 Yrs		3.8 Yrs
Residential mortgage-backed (2)		57		77,500		130		1,017		76,613		1.79	%		4.3 Yrs		14.7 Yrs
State and municipal		1		531		—		6		525		1.25	%		3.2 Yrs		3.3 Yrs
		219	$	383,937	$	540	$	5,970	$	378,507		1.11	%		3.3 Yrs		6.0 Yrs

(1) Consist of debt obligations of U.S. government sponsored agencies (GSEs) – Federal Home Loan Bank (FHLB), Federal Farm Credit Bank (FFCB), Federal National Mortgage Association (FNMA) and Federal Home Loan Mortgage Corporation (FHLMC), which are federally chartered corporations privately owned by shareholders. GSE securities carry no explicit U.S. government guarantee of creditworthiness. Neither principal nor interest payments are guaranteed by the U.S. government nor do they constitute a debt or obligation of the U.S. government or any of its agencies or instrumentalities other than the applicable GSE. FNMA and FHLMC are under U.S. government conservatorship.

(2) At September 30, 2014, the portfolio consisted of $11.2 million of Government National Mortgage Association (GNMA) residential pass-through certificates and $68.5 million of residential participation certificates issued by FNMA or FHLMC, compared to $13.6 million and $63.9 million, respectively, at December 31, 2013. The GNMA pass-through certificates are guaranteed as to the payment of principal and interest by the full faith and credit of the U.S. government while the FNMA and FHLMC certificates have an implied guarantee by such agency as to principal and interest payments. Included in this line item are investments in FNMA Delegated Underwriting and Servicing (DUS) mortgage-backed securities (of approximately $16 million at September 30, 2014 and $7.0 million at December 31, 2013) that are backed by eligible multifamily pools that typically contain one loan or single purpose entity.

(3) The investment represented approximately 93,342 shares at September 30, 2014 and 91,683 shares at December 31, 2013, of an intermediate bond fund that holds securities that are deemed to be qualified under the Community Reinvestment Act.

Estimated Fair Values of Debt Securities

The estimated fair values of debt securities with gross unrealized losses segregated between securities that have been in a continuous unrealized loss position for less than twelve months at the respective dates and those that have been in a continuous unrealized loss position for twelve months or longer are summarized as follows:

($ in thousands)			Less Than Twelve Months				Twelve Months or Longer				Total
	Number of Securities		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses
At September 30, 2014
U.S. government agencies		115	$	49,161	$	139	$	158,382	$	2,105	$	207,543	$	2,244
Residential mortgage-backed		33		15,210		78		20,333		268		35,543		346
State and municipal		1		529		1		—		—		529		1
		149	$	64,900	$	218	$	178,715	$	2,373	$	243,615	$	2,591
At December 31, 2013
U.S. government agencies		130	$	233,930	$	4,791	$	7,344	$	156	$	241,274	$	4,947
Residential mortgage-backed		41		48,862		987		3,284		30		52,146		1,017
State and municipal		1		525		6		—		—		525		6
		172	$	283,317	$	5,784	$	10,628	$	186	$	293,945	$	5,970

Summary of Investments in Debt Securities

The following table is a summary of our investments in debt securities at September 30, 2014, by remaining period to contractual maturity (ignoring earlier call dates, if any). The amounts reported in the table also did not consider the effects of possible prepayments or unscheduled repayments. Accordingly, actual maturities may differ from contractual maturities shown in the table.

($ in thousands)	Amortized Cost		Estimated Fair Value		Wtd-Avg Yield
Due in one year or less	$	—	$	—		—	%
Due after one year through five years		215,795		213,891		0.99
Due after five years through ten years		42,390		42,053		1.68
Due after ten years		48,218		48,407		1.94
	$	306,403	$	304,351		1.23	%

Credit Losses Recognized on Securities

The table below provides a cumulative roll forward of credit losses recognized on securities held to maturity for the periods indicated.

	Quarter Ended September 30,				Nine-Months Ended September 30,
($ in thousands)	2014		2013		2014		2013
Balance at beginning of period	$	—	$	4,924	$	—	$	4,233
Additional credit losses on debt securities for which OTTI was previously recognized		—		273		—		964
Balance at end of period	$	—	$	5,197	$	—	$	5,197

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Loans Receivable - Information Regarding Credit Quality of Loan Portfolio (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 1,179,437		$ 1,131,550
Allocation of allowance for loan losses	26,634	26,598	27,833	26,777	26,455	28,103
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	908,697		838,766
Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	200,251		210,270
Allocation of allowance for loan losses	4,825	4,964	5,097	5,315	5,098	6,881
One to Four Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	59,472		72,064
Allocation of allowance for loan losses	2,330	2,358	3,017	3,024	2,795	1,120
Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	9,875		9,178
Allocation of allowance for loan losses	1,037	887	1,308	941	956	1,043
All Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,142		1,272
Allocation of allowance for loan losses	8	8	8	9	10	8
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,118,802		1,058,087
Allocation of allowance for loan losses	21,530		20,720
Pass [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	853,979		772,900
Pass [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	194,334		204,298
Pass [Member] | One to Four Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	59,472		72,064
Pass [Member] | Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	9,875		7,553
Pass [Member] | All Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,142		1,272
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	4,593		5,891
Allocation of allowance for loan losses	141		169
Special Mention [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,236		3,522
Special Mention [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,357		2,369
Special Mention [Member] | One to Four Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans
Special Mention [Member] | Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans
Special Mention [Member] | All Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	56,042		67,572
Allocation of allowance for loan losses	4,963		6,944
Substandard [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	52,482		62,344
Substandard [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	3,560		3,603
Substandard [Member] | One to Four Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans
Substandard [Member] | Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans			1,625
Substandard [Member] | All Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans

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Securities Held to Maturity and Available for Sale - Summary of Investments in Debt Securities (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014
Investments, Debt and Equity Securities [Abstract]
Due in one year or less, Amortized Cost	$ 0
Due in one year or less, Estimated Fair Value	0
Due in one year or less, Wtd-Avg Yield	0.00%
Due after one year through five years, Amortized Cost	215,795
Due after one year through five years, Estimated Fair Value	213,891
Due after one year through five years, Wtd-Avg Yield	0.99%
Due after five years through ten years, Amortized Cost	42,390
Due after five years through ten years, Estimated Fair Value	42,053
Due after five years through ten years, Wtd-Avg Yield	1.68%
Due after ten years, Amortized Cost	48,218
Due after ten years, Estimated Fair Value	48,407
Due after ten years, Wtd-Avg Yield	1.94%
Securities held to maturity, Total Amortized Cost	306,403
Estimated Fair Value	$ 304,351
Securities held to maturity, Wtd-Avg Yield	1.23%

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Off-Balance Sheet Financial Instruments - Additional Information (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Off Balance Sheet Financial Instruments [Abstract]
Standby letters of credit	$ 0	$ 0

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Securities Held to Maturity and Available for Sale - Carrying Value (Estimated Fair Value) and Amortized Cost of Securities Available for Sale (Detail) (USD $) In Thousands, unless otherwise specified			9 Months Ended
	Sep. 30, 2014 Security	Dec. 31, 2013	Sep. 30, 2014 Debt Securities [Member] Security	Sep. 30, 2014 Debt Securities [Member] U.S. government agencies [Member] Security	Sep. 30, 2014 Debt Securities [Member] Residential mortgage-backed [Member] Security	Sep. 30, 2014 Debt Securities [Member] State and municipal [Member] Security	Sep. 30, 2014 Equity Securities [Member] Mutual funds investment [Member] Security	Dec. 31, 2013 Equity Securities [Member] Mutual funds investment [Member] Security
Schedule of Held-to-maturity Securities [Line Items]
Number of Securities, Available for sale	197		196	125	70	1	1	1
Amortized Cost, Available for sale	$ 307,441		$ 306,403	$ 226,361	$ 79,512	$ 530	$ 1,038	$ 1,021
Gross Unrealized Gains, Available for sale	539		539	15	524
Gross Unrealized Losses, Available for sale	2,633		2,591	2,244	346	1	42	56
Estimated Fair Value, Available for sale	$ 305,347	$ 965	$ 304,351	$ 224,132	$ 79,690	$ 529	$ 996	$ 965
Wtd-Avg Yield, Available for sale	1.23%		1.23%	1.00%	1.90%	1.25%
Wtd-Avg Expected Life, Available for sale			3 years 3 months 18 days	2 years 10 months 24 days	4 years 6 months	2 years 6 months
Wtd-Avg Remaining Maturity, Available for sale			6 years	3 years 6 months	13 years 1 month 6 days	2 years 6 months

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Loans Receivable - Geographic Distribution of Loan Portfolio (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	$ 1,179,437	$ 1,131,550
Total Loan Receivable, % of Total	100.00%	100.00%
New York [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	648,271	670,052
Total Loan Receivable, % of Total	55.00%	59.30%
Florida [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	346,757	321,812
Total Loan Receivable, % of Total	29.40%	28.40%
North Carolina [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	28,390	22,611
Total Loan Receivable, % of Total	2.40%	2.00%
Georgia [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	24,249	18,799
Total Loan Receivable, % of Total	2.10%	1.70%
New Jersey [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	13,832	15,650
Total Loan Receivable, % of Total	1.20%	1.40%
Pennsylvania [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	13,154	16,898
Total Loan Receivable, % of Total	1.10%	1.50%
Virginia [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	13,088	11,491
Total Loan Receivable, % of Total	1.10%	1.00%
South Carolina [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	11,426	9,223
Total Loan Receivable, % of Total	1.00%	0.80%
Kentucky [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	8,403	11,930
Total Loan Receivable, % of Total	0.70%	1.10%
Ohio [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	7,024	4,703
Total Loan Receivable, % of Total	0.60%	0.40%
Tennessee [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	6,691	5,843
Total Loan Receivable, % of Total	0.60%	0.50%
Connecticut [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	6,357	8,429
Total Loan Receivable, % of Total	0.50%	0.70%
Massachusetts [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	6,016
Total Loan Receivable, % of Total	0.50%
Texas [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	5,691
Total Loan Receivable, % of Total	0.50%
Michigan [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	5,473	5,599
Total Loan Receivable, % of Total	0.50%	0.50%
Utah [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	5,138
Total Loan Receivable, % of Total	0.50%
Arizona [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	5,108
Total Loan Receivable, % of Total	0.40%
West Virginia [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	4,454
Total Loan Receivable, % of Total	0.40%
Indiana [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	4,191	2,820
Total Loan Receivable, % of Total	0.30%	0.20%
Illinois [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	3,608
Total Loan Receivable, % of Total	0.30%
Wisconsin [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	3,349	1,790
Total Loan Receivable, % of Total	0.20%	0.10%
California [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	2,742
Total Loan Receivable, % of Total	0.20%
All Other States [Member]
Noncancelable Obligations Future Minimum Payments Due [Line Items]
Total loans	$ 6,025	$ 3,900
Total Loan Receivable, % of Total	0.50%	0.40%

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Common Stock Warrant and Equity Incentive Plans - Summary of Selected Information Regarding Restricted Common Stock Awards made Under Plan (Parenthetical) (Detail)	9 Months Ended	12 Months Ended
	Sep. 30, 2014 Installment	Dec. 31, 2013 Installment
Executive Officers [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of participants		5
Number of installments		2
Restricted stock awards vesting in second anniversary of the grant		66.67%
Restricted stock awards vesting in third anniversary of the grant		33.33%
Non-employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of participants		8
Restricted stock awards vesting in first anniversary of the grant		33.33%
Restricted stock awards vesting in second anniversary of the grant		33.33%
Restricted stock awards vesting in third anniversary of the grant		33.33%
Other Officers and Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of installments	3	3
Restricted stock awards vesting in first anniversary of the grant	33.33%	33.33%
Restricted stock awards vesting in second anniversary of the grant	33.33%	33.33%
Restricted stock awards vesting in third anniversary of the grant	33.33%	33.33%
Restricted Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Awarded	92,000
Restricted Common Stock [Member] | Executive Officers [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Awarded	12,000	182,000
Number of participants	5
Restricted Common Stock [Member] | Non-employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Awarded	80,000	80,000
Number of participants	8
Restricted Common Stock [Member] | Other Officers and Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Awarded		68,700

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Lines of Credit - Additional Information (Detail) (Federal Home Loan Bank of New York and Federal Reserve Bank of New York [Member], USD $)	Sep. 30, 2014
Federal Home Loan Bank of New York and Federal Reserve Bank of New York [Member]
Federal Home Loan Bank Advances Type Of Fhlb Advances [Line Items]
Unsecured credit lines	$ 41,000,000
Additional total borrowings from FHLB and FRB	323,000,000
Borrowings	$ 0

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Loans Receivable - Other Information Related to Impaired Loans (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Nonaccrual Loans [Member]
Financing Receivable, Modifications [Line Items]
Average recorded investment in accruing TDR loans	$ 21,551	$ 39,159	$ 30,784	$ 41,039
Total cash basis interest income recognized on nonaccrual loans	304	521	1,281	1,729
TDR Loans [Member]
Financing Receivable, Modifications [Line Items]
Average recorded investment in accruing TDR loans	26,451	11,423	18,864	14,482
Total interest income recognized on accruing TDR loans under modified terms	$ 226	$ 152	$ 626	$ 581

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Description of Business and Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Description of Business and Summary of Significant Accounting Policies

Note 1 – Description of Business and Summary of Significant Accounting Policies

General

Intervest Bancshares Corporation (“IBC”) is the parent company of Intervest National Bank (“INB”). References in this report to “we,” “us” and “our” refer to these entities on a consolidated basis, unless otherwise specified. For a description of our business, see note 1 to the financial statements in our 2013 Annual Report on Form 10-K (“2013 10-K”). Our accounting and reporting policies conform to U.S. generally accepted accounting principles (GAAP) and general practices within the banking industry and are described in note 1 to the financial statements in our 2013 10-K, as updated by the information in this Form 10-Q.

Proposed Merger

On July 31, 2014, IBC and INB entered into a definitive agreement and plan of merger (the “Merger Agreement”) with Bank of the Ozarks, Inc. (“Ozarks”) and its wholly-owned bank subsidiary, Bank of the Ozarks, relating to a proposed merger transaction. The Merger Agreement provides that, upon the terms and subject to the conditions set forth therein, (i) IBC will merge with and into Ozarks, with Ozarks continuing as the surviving corporation (the “Merger”), and (ii) INB will merge with and into Bank of the Ozarks, with Bank of the Ozarks continuing as the surviving bank (the “Bank Merger” and, collectively with the “Merger,” the “Mergers”).

Subject to the terms and conditions of the Merger Agreement, upon completion of the Merger, each share of IBC’s common stock, issued and outstanding immediately prior to the effective time of the Merger will be converted into the right to receive shares of Ozarks common stock (plus cash in lieu of any fractional share) based on the purchase price of $228.5 million (less the amount paid by IBC to cash out outstanding stock options and stock appreciation rights and to redeem all outstanding stock warrants prior to closing), subject to certain additional purchase price adjustments set forth in the Merger Agreement. The number of Ozarks shares to be issued will be determined based on Ozarks’ 10-day average closing stock price as of the fifth business day prior to the closing date, subject to a minimum and maximum price of $23.95 and $39.91, respectively.

It is a condition of the Merger that all IBC stock options and stock appreciation rights, whether or not vested, will be cashed out by IBC prior to closing and shares of restricted stock will become fully vested. The foregoing description of the Merger Agreement does not purport to be complete and is qualified in its entirety by reference to the complete text of the Merger Agreement, which was filed as Exhibit 2.1 to IBC’s Current Report on Form 8-K, filed on July 31, 2014.

The Merger Agreement has been approved by the boards of directors of each of IBC and Ozarks. Subject to the required approval of IBC’s stockholders, requisite regulatory approvals, the effectiveness of the registration statement filed by Ozarks with respect to the stock to be issued in this transaction, and other customary closing conditions, the Merger is expected to be completed by the end of the first quarter of 2015. See note 11 for a discussion of certain litigation in connection with this Merger.

Principles of Consolidation and Basis of Presentation

The condensed consolidated financial statements (“financial statements”) in this report have not been audited except for information derived from our audited 2013 consolidated financial statements and notes thereto and should be read in conjunction with our 2013 10-K. Certain information and note disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted in this report pursuant to the rules and regulations of the Securities and Exchange Commission.

Use of Estimates

In preparing our financial statements, we are required to make estimates and assumptions that affect the reported amounts of assets, liabilities and disclosure of contingent liabilities as of the date of the financial statements, and revenues and expenses during the reporting periods. Actual results could differ from those estimates. Estimates that are particularly susceptible to significant change currently relate to the determination of our allowance for loan losses and valuation allowance for real estate losses. These estimates involve a higher degree of complexity and subjectivity and may require assumptions about highly uncertain matters. Current market conditions increase the risk and complexity of the judgments in these estimates. In our opinion, all material adjustments necessary for a fair presentation of our financial condition and results of operations for the interim periods presented in this report have been made. These adjustments are of a normal recurring nature.

All significant intercompany balances and transactions have been eliminated in consolidation. Our results of operations for the interim periods are not necessarily indicative of results that may be expected for the entire year or any other interim period.

Stock-Based Compensation

We recognize the cost of our employee and director services received in exchange for awards of our equity instruments (which are in the form of restricted stock, stock options and cash-settled stock appreciation rights or “SARs”) that vest over time based on the grant-date fair value of the awards. The fair value of restricted stock grants is based on the closing market value of our common stock as reported on the Nasdaq Stock Market on the grant date. The fair value of options and SARs is estimated using the Black-Scholes option-pricing model based on various inputs and assumptions that are described in note 9. Compensation cost, or the grant-date fair value of the awards, related to equity awards is recognized on a straight-line basis over the requisite service period, which is normally the vesting period of the grants.

For SARs only, fair value is re-measured at the end of each reporting period and amortized as compensation cost over the remaining requisite service period less amounts previously recognized. The SARs represent liability-classified awards that are remeasured to reflect their fair value at each reporting period. After the requisite service period is completed, the SAR’s fair value continues to be remeasured each reporting period until settlement and any increase/decrease in the fair value is immediately recognized as an increase/decrease to our reported stock compensation expense. Upon cash-settlement of a SAR, stock compensation expense is trued-up to equal the SAR’s intrinsic cash value on the date of settlement.

Stock-based compensation associated with equity awards is recorded as stock compensation expense in the statement of earnings and a corresponding increase to stockholders’ equity as additional paid-in capital for amounts related to restricted stock and stock options, and corresponding increase to accrued stock compensation payable for amounts related to the SARs, which is reported as part of our “other liabilities” in our balance sheet.

For any excess income tax benefit associated with the vesting of restricted common stock awards and the exercise of stock option awards (calculated as the difference between the fair market value of the stock at the vesting date versus the grant date in the case of stock awards and the difference between the fair market value of the stock at the exercise date versus the exercise price per share in the case of options, multiplied by our effective income tax rate) is recorded as decrease to our income taxes payable and an increase in stockholders’ equity as paid-in capital.

Recent Accounting Standards Update

In February 2013, the FASB Issued ASU No. 2013-04, “Obligations Resulting from Joint and Several Liability Arrangements for Which the Total Amount of the Obligation Is Fixed at the Reporting Date”. ASU 2013-04 provides guidance for the recognition, measurement, and disclosure of obligations resulting from joint and several liability arrangements for obligations within the scope of this ASU. We adopted this ASU on January 1, 2014 and it had no impact on our financial statements.

In July 2013, the FASB issued ASU 2013-11, “Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists,” which among other things, requires an unrecognized tax benefit, or a portion of an unrecognized tax benefit, to be presented in the financial statements as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward, except as denoted within the ASU. The amendments in this ASU are effective for fiscal years, and interim periods within those years, beginning after December 15, 2013. We adopted this ASU on January 1, 2014 and it had no impact on our financial statements.

In January 2014, the FASB issued ASU 2014-04, “Receivables-Troubled Debt Restructurings by Creditors (Subtopic 310-40): Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure”, which is intended to clarify when a creditor should be considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan such that the loan should be derecognized and the real estate recognized. These amendments clarify that an in substance repossession or foreclosure occurs, and a creditor is considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan, upon either: (a) the creditor obtaining legal title to the residential real estate property upon completion of a foreclosure; or (b) the borrower conveying all interest in the residential real estate property to the creditor to satisfy that loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Additional disclosures are required. The amendments are effective for us beginning January 1, 2015.

In June 2014, FASB issued ASU 2014-11, “Transfers and Servicing – Repurchase-to-Maturity Transactions, Repurchase Financings, and Disclosures.” ASU 2014-11 requires, among other things, two accounting changes. First, the amendments in this update change the accounting for repurchase-to-maturity transactions to secured borrowing accounting. Second, for repurchase financing arrangements, the amendments require separate accounting for a transfer of a financial asset executed contemporaneously with a repurchase agreement with the same counterparty, which will result in secured borrowing accounting for the repurchase agreement. ASU 2014-11 is effective for the first interim or annual period beginning after December 15, 2014. The adoption of this guidance is not expected to have any impact on our financial statements.

In June 2014, FASB issued ASU 2014-12, “Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period.” ASU 2014-12 requires, among other things, that a performance target that affects vesting and could be achieved after the requisite service period be treated as a performance condition. As such, the performance target should not be reflected in estimating the grant-date fair value of the award. ASU 2014-12 is effective for annual reporting periods beginning after December 15, 2015, with early adoption permitted. The adoption of this guidance is not expected to have any impact on our financial statements.

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Subordinated Debentures - Capital Securities - Summary of Capital Securities Outstanding (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Principal	$ 56,702	$ 56,702
Accrued Interest Payable	56	868
Capital Securities II [Member]
Debt Instrument [Line Items]
Principal	15,464	15,464
Accrued Interest Payable	17	275
Interest Rate	3.18%	3.19%
Capital Securities III [Member]
Debt Instrument [Line Items]
Principal	15,464	15,464
Accrued Interest Payable	17	261
Interest Rate	3.02%	3.03%
Capital Securities IV [Member]
Debt Instrument [Line Items]
Principal	15,464	15,464
Accrued Interest Payable	14	223
Interest Rate	2.63%	2.65%
Capital Securities V [Member]
Debt Instrument [Line Items]
Principal	10,310	10,310
Accrued Interest Payable	8	109
Interest Rate	1.88%	1.89%
Capital Securities [Member]
Debt Instrument [Line Items]
Principal	56,702	56,702
Accrued Interest Payable	$ 56	$ 868

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Securities Held to Maturity and Available for Sale - Credit Losses Recognized on Securities (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Investments, Debt and Equity Securities [Abstract]
Balance at beginning of period	$ 0	$ 4,924	$ 0	$ 4,233
Additional credit losses on debt securities for which OTTI was previously recognized	0	273	0	964
Balance at end of period	$ 0	$ 5,197	$ 0	$ 5,197

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Deposits (Tables)

9 Months Ended

Sep. 30, 2014

Banking and Thrift [Abstract]

Scheduled Maturities of Certificates of Deposits

Scheduled maturities of certificates of deposit accounts (CDs) were as follows:

	At September 30, 2014					At December 31, 2013
($ in thousands)	Amount		Wtd-Avg Stated Rate			Amount		Wtd-Avg Stated Rate
Within one year	$	269,268		1.57	%	$	307,122		1.97	%
Over one to two years		158,266		1.85			167,323		1.92
Over two to three years		213,925		1.96			170,956		1.92
Over three to four years		73,696		1.76			106,700		2.50
Over four years		125,893		2.11			129,678		2.06
	$	841,048		1.82	%	$	881,779		2.03	%

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Foreclosed Real Estate and Valuation Allowance for Real Estate Losses (Tables)

9 Months Ended

Sep. 30, 2014

Banking and Thrift [Abstract]

Summary of Real Estate Acquired through Foreclosure by Property Type

Real estate acquired through foreclosure by property type is summarized as follows:

	At September 30, 2014				At December 31, 2013
($ in thousands)	# of Properties		Amount (1)		# of Properties		Amount (1)
Commercial real estate		1	$	2,650		2	$	3,984
Multifamily		—		—		1		6,685
		1	$	2,650		3	$	10,669

(1) Reported net of any associated valuation allowance.

Summary of Activity in the Valuation Allowance for Real Estate Losses

Activity in the valuation allowance for real estate losses is summarized as follows:

	Quarter Ended September 30,					Nine-Months Ended September 30,
($ in thousands)	2014		2013			2014			2013
Valuation allowance at beginning of period	$	390	$	6,044		$	2,017		$	5,339
Provision for real estate losses		—		250			—			955
Real estate chargeoffs		—		(4,171	)		(1,627	)		(4,171	)
Valuation allowance at end of period	$	390	$	2,123		$	390		$	2,123

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Allowance for Loan Losses - Loans Receivable by Segment and Impairment Evaluation and Allowance for Loan Losses (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
Loans:
Individually evaluated for impairment	$ 54,905		$ 57,160
Collectively evaluated for impairment	1,124,532		1,074,390
Total loans	1,179,437		1,131,550
Allowance for loan losses:
Individually evaluated for impairment	5,115		6,093
Collectively evaluated for impairment	21,519		21,740
Total allowance for loan losses	26,634	26,598	27,833	26,777	26,455	28,103
Commercial Real Estate [Member]
Loans:
Individually evaluated for impairment	50,281		52,407
Collectively evaluated for impairment	858,416		786,359
Total loans	908,697		838,766
Allowance for loan losses:
Individually evaluated for impairment	4,369		4,999
Collectively evaluated for impairment	14,066		13,404
Total allowance for loan losses	18,435		18,403
Multifamily Loans [Member]
Loans:
Individually evaluated for impairment	3,104		3,128
Collectively evaluated for impairment	197,147		207,142
Total loans	200,251		210,270
Allowance for loan losses:
Individually evaluated for impairment	590		594
Collectively evaluated for impairment	4,234		4,503
Total allowance for loan losses	4,824		5,097
One to Four Family [Member]
Loans:
Individually evaluated for impairment
Collectively evaluated for impairment	59,472		72,064
Total loans	59,472		72,064
Allowance for loan losses:
Individually evaluated for impairment
Collectively evaluated for impairment	2,330		3,017
Total allowance for loan losses	2,330		3,017
Land [Member]
Loans:
Individually evaluated for impairment	1,520		1,625
Collectively evaluated for impairment	8,355		7,553
Total loans	9,875		9,178
Allowance for loan losses:
Individually evaluated for impairment	156		500
Collectively evaluated for impairment	881		808
Total allowance for loan losses	1,037		1,308
All Other [Member]
Loans:
Individually evaluated for impairment
Collectively evaluated for impairment	1,142		1,272
Total loans	1,142		1,272
Allowance for loan losses:
Individually evaluated for impairment
Collectively evaluated for impairment	8		8
Total allowance for loan losses	$ 8		$ 8

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Loans Receivable - Major Classification of Loans Receivable (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014 SecurityLoan	Jun. 30, 2014	Dec. 31, 2013 SecurityLoan	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross, # of Loans	611		588
Loans receivable, gross, Amount	$ 1,179,437		$ 1,131,550
Deferred loan fees	(4,168)		(4,028)
Loans receivable, net of deferred fees	1,175,269		1,127,522
Allowance for loan losses	(26,634)	(26,598)	(27,833)	(26,777)	(26,455)	(28,103)
Loans receivable, net	1,148,635		1,099,689
Loans Secured by Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross, # of Loans	586		557
Loans receivable, gross, Amount	1,178,295		1,130,278
All Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross, # of Loans	25		31
Loans receivable, gross, Amount	1,142		1,272
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Allowance for loan losses	(18,434)	(18,381)	(18,403)	(17,488)	(17,596)	(19,051)
Commercial Real Estate [Member] | Loans Secured by Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross, # of Loans	426		394
Loans receivable, gross, Amount	908,697		838,766
Multifamily Loans [Member] | Loans Secured by Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross, # of Loans	137		138
Loans receivable, gross, Amount	200,251		210,270
One to Four Family [Member] | Loans Secured by Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross, # of Loans	17		20
Loans receivable, gross, Amount	59,472		72,064
Land Loans [Member] | Loans Secured by Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross, # of Loans	6		5
Loans receivable, gross, Amount	9,875		9,178
Business Loans [Member] | All Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross, # of Loans	18		19
Loans receivable, gross, Amount	1,004		1,061
Consumer Loans [Member] | All Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross, # of Loans	7		12
Loans receivable, gross, Amount	$ 138		$ 211

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Subordinated Debentures - Capital Securities (Tables)

9 Months Ended

Sep. 30, 2014

Text Block [Abstract]

Summary of Capital Securities Outstanding

Capital Securities (commonly referred to as trust preferred securities) outstanding are summarized as follows:

	At September 30, 2014							At December 31, 2013
($ in thousands)	Principal		Accrued Interest Payable		Interest Rate			Principal		Accrued Interest Payable		Interest Rate
Capital Securities II – debentures due September 17, 2033	$	15,464	$	17		3.18	%	$	15,464	$	275		3.19	%
Capital Securities III – debentures due March 17, 2034		15,464		17		3.02	%		15,464		261		3.03	%
Capital Securities IV – debentures due September 20, 2034		15,464		14		2.63	%		15,464		223		2.65	%
Capital Securities V – debentures due December 15, 2036		10,310		8		1.88	%		10,310		109		1.89	%
	$	56,702	$	56				$	56,702	$	868

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Common Stock Warrant and Equity Incentive Plans (Tables)

9 Months Ended

Sep. 30, 2014

Text Block [Abstract]

Summary of Outstanding Common Stock Options and Warrant

A summary of outstanding common stock options and warrant and related information follows:

	Exercise Price Per Warrant/Option																					Wtd-Avg. Exercise Price
($ in thousands, except per share amounts)	$5.42 (1)			$17.10			$7.50			$4.02			$3.00			$2.55			Total
Outstanding at December 31, 2013		691,882			110,640			113,990			57,400			32,400			35,133			1,041,445		$	6.64
Repurchased and cancelled		(691,882	)		—			—			—			—			—			(691,882	)	$	5.42
Forfeited/expired (2)		—			(600	)		(300	)		(300	)		(300	)		(900	)		(2,400	)	$	7.05
Options exercised		—			—			(600	)		(2,400	)		(7,500	)		(6,167	)		(16,667	)	$	3.14
Outstanding at September 30, 2014		—			110,040			113,090			54,700			24,600			28,066			330,496		$	9.37
Expiration date		—			12/13/17			12/11/18			12/10/19			12/09/20			12/08/21
Vested and exercisable (3)		—			100	%		100	%		100	%		100	%		67	%		97	%
Wtd-avg contractual remaining term (in years)		—			3.2			4.2			5.2			6.2			7.2			4.4
Intrinsic value at September 30, 2014 (4)		—		$	—		$	233		$	303		$	161		$	197		$	894

(1) The U.S. Department of the Treasury, in connection with IBC’s prior participation in the Capital Purchase Program of TARP, had owned a warrant to purchase 691,882 shares of IBC’s common stock at an exercise price of $5.42 per share. On September 3, 2014, IBC repurchased the warrant for a purchase price of $2.9 million and cancelled the warrant. The purchase price was recorded as a reduction in IBC’s stockholders’ equity.

(2) Represent options forfeited or expired unexercised.

(3) The $2.55 options further vest and become 100% exercisable on December 8, 2014. Full vesting may occur earlier upon the occurrence of certain events as defined in the option agreement.

(4) Intrinsic value was calculated using the closing price of the common stock on September 30, 2014 of $9.56.

Summary of Selected Information Regarding Restricted Common Stock Awards made Under Plan

A summary of selected information regarding awards of restricted common stock during the periods covered by this report follows:

($ in thousands, except per share amounts)
Grant date of award		1/23/14		1/24/13
Total restricted shares of stock awarded (1)		92,000		330,700
Grant date per share fair value (2)	$	7.65	$	4.50
Total estimated fair value of award	$	703,800	$	1,488,150
Awards scheduled to vest as follows:
January 2014		—		49,566
January 2015		30,664		170,888
January 2016		30,664		110,246
January 2017		30,672		—
		92,000		330,700

(1) For 2014, awards were as follows: a total of 12,000 shares to five executive officers and a total of 80,000 shares to eight non-employee directors (vesting in three equal installments, with one third on each of the next three anniversary dates of the grant).

Summary of Activity in IBCs Restricted Class A Common Stock

A summary of outstanding restricted common stock and related information follows:

	Price Per Share														Wtd-Avg. Price Per Share
	$2.90			$4.50			$7.21			$7.65		Total
Outstanding at December 31, 2013		158,317			279,500			135,500			—		573,317		$	4.70
Shares granted		—			—			—			92,000		92,000		$	7.65
Shares forfeited		(500	)		(2,800	)		—			—		(3,300	)	$	4.26
Shares vested and no longer restricted		(101,035	)		(47,664	)		(75,417	)		—		(224,116	)	$	4.69
Outstanding at September 30, 2014 (1) (2)		56,782			229,036			60,083			92,000		437,901		$	5.33

(1) All outstanding shares of restricted common stock at September 30, 2014 were unvested and subject to forfeiture.

Shares issued at $2.90 vest: 56,782 on January 19, 2015.

Shares issued at $4.50 vest: 137,264 on January 24, 2015; 91,772 on January 24, 2016.

Shares issued at $7.21 vest: 14,584 on January 19, 2015; 30,333 on January 24, 2015; 15,166 on January 24, 2016.

Shares issued at $7.65 vest: 30,664 on January 23, 2015; 30,664 on January 23, 2016; 30,672 on January 23, 2017.

(2) Vesting is subject to the grantee’s continued employment with us or, in the case of non-employee directors, the grantee’s continued service as our director on the vesting dates. All of the awards are subject to accelerated vesting upon the death or disability of the grantee or upon a change in control of IBC, as defined in the restricted stock award agreements. The record holder of IBC’s restricted shares of common stock possesses all the rights of a holder of our common stock, including the right to receive dividends on the shares when declared and to vote the restricted shares. The restricted shares may not be sold, transferred, pledged, assigned, encumbered, or otherwise alienated or hypothecated until they become fully vested and transferable in accordance with the award agreements.

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Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
OPERATING ACTIVITIES
Net earnings	$ 13,760	$ 10,287
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	218	258
Credit for loan losses	(1,500)	(1,500)
Provision for real estate losses		955
Deferred income tax expense	4,014	7,460
Stock compensation expense	1,052	731
Amortization of deferred debenture offering costs	28	28
Amortization of premiums (accretion) of discounts and deferred loan fees, net	(313)	610
Net gain from sales of securities available for sale	(196)
Net gain from sales of foreclosed real estate	(203)	(820)
Impairment writedowns on investment securities		964
Net decrease in loan fees receivable	74	597
Net decrease in accrued interest payable on borrowed funds	(812)	(5,765)
Net decrease in official checks outstanding	(3,392)	(1,779)
Net change in all other assets and liabilities	(114)	7,716
Net cash provided by operating activities	12,616	19,742
INVESTING ACTIVITIES
Repayments of securities held to maturity	66,394	99,705
Purchases of securities held to maturity	(34,752)	(75,051)
Repayments of securities available for sale	8,841
Purchases of securities available for sale	(1,046)	(16)
Proceeds from sales of securities available for sale	37,384
Repayments (purchases) of interest-earning time deposits with banks	750	(200)
Purchases of FRB and FHLB stock, net	529	(86)
(Originations) repayments of loans receivable, net	(47,586)	7,337
Proceeds from sales of foreclosed real estate	8,222	3,569
Purchases of premises and equipment, net	(590)	(509)
Net cash provided by investing activities	38,146	34,749
FINANCING ACTIVITIES
Net decrease in deposits	(67,908)	(64,216)
Net increase in mortgage escrow funds payable	8,652	9,260
Redemption of preferred stock		(24,813)
Repurchase of common stock warrant from U.S. Treasury	(2,892)
Cash dividends paid to common stockholders	(2,202)
Cash dividends paid to preferred stockholders		(5,068)
Proceeds from issuance of common stock upon exercise of stock options	53	54
Excess income tax benefit from exercise of options and vesting of restricted stock	318	150
Net cash used in financing activities	(63,979)	(84,633)
Net decrease in cash and cash equivalents	(13,217)	(30,142)
Cash and cash equivalents at beginning of period	24,700	60,395
Cash and cash equivalents at end of period	11,483	30,253
SUPPLEMENTAL DISCLOSURES
Cash paid for interest	16,833	27,805
Cash paid for income taxes	5,855	900
Securities held to maturity transferred to available for sale	351,587
Net change in unrealized loss on securities available for sale	(1,156)
Loans transferred to foreclosed real estate		3,040
Loans originated to finance sales of foreclosed real estate		3,240
Preferred stock dividend requirements and amortization of related discount		$ 1,057

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Earnings Per Common Share and Common Stock Dividend (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Summary of Basic and Diluted Earnings Per Common Share

Net earnings applicable to common stockholders and the weighted-average number of shares used for basic and diluted earnings per common share computations are summarized in the table that follows:

	Quarter Ended September 30,				Nine-Months Ended September 30,
	2014		2013		2014		2013
Basic Earnings Per Common Share:
Net earnings available to common stockholders	$	4,180,000	$	2,588,000	$	13,760,000	$	9,230,000
Weighted-Average number of common shares outstanding		22,024,722		21,915,596		22,013,754		21,891,886
Basic Earnings Per Common Share	$	0.19	$	0.12	$	0.62	$	0.42
Diluted Earnings Per Common Share:
Net earnings applicable to common stockholders	$	4,180,000	$	2,588,000	$	13,760,000	$	9,230,000
Weighted-Average number of common shares outstanding:
Common shares outstanding		22,024,722		21,915,596		22,013,754		21,891,886
Potential dilutive shares resulting from exercise of warrants/options (1)		243,523		135,866		192,981		81,064
Total average number of common shares outstanding used for dilution		22,268,245		22,051,462		22,206,735		21,972,950
Diluted Earnings Per Common Share	$	0.19	$	0.12	$	0.62	$	0.42

(1) All outstanding options/warrants to purchase shares of our common stock were considered for the diluted earnings per common share computations and only those that were dilutive (as determined by using the treasury stock method prescribed by GAAP) were included in the computations above. For the quarter and nine-month periods of 2014, outstanding options/warrants to purchase 110,040 shares of common stock were not dilutive because the exercise price of each was above the average market price of our common stock during these periods. For both the quarter and nine-month periods of 2013, 234,430 of options/warrants to purchase common stock were not dilutive because the exercise price of each was above the average market price of our common stock during these periods.

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Subsequent Events - Additional Information (Detail) (USD $)	0 Months Ended		3 Months Ended	9 Months Ended	0 Months Ended
	Jul. 14, 2014	Apr. 24, 2014	Sep. 30, 2014	Sep. 30, 2014	Oct. 31, 2014 Subsequent Event [Member]	Oct. 15, 2014 Subsequent Event [Member]
Subsequent Event [Line Items]
Cash dividend	$ 0.05	$ 0.05				$ 0.05
Cash dividend payment date	Aug. 26, 2014	May 26, 2014				Nov. 24, 2014
Cash dividend record date	Aug. 15, 2014	May 15, 2014				Nov. 14, 2014
Available for sale of securities				$ 37,384,000	$ 77,000,000
Increased cash through sale of securities					90,000,000
Net loss of sale of securities			$ 196,000	$ 196,000	$ 200,000

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Securities Held to Maturity and Available for Sale - Carrying Value (Amortized Cost) and Estimated Fair Value of Securities Held to Maturity (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Schedule of Held-to-maturity Securities [Line Items]
Held to maturity, Amortized Cost		$ 383,937
Government National Mortgage Association [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to maturity, Amortized Cost	11,200	13,600
Federal National Mortgage Association [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to maturity, Amortized Cost	68,500	63,900
Federal National Mortgage Association Delegated Underwriting and Servicing [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to maturity, Amortized Cost	$ 16,000	$ 7,000

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Loans Receivable - Distribution of TDRs by Accruing Versus Nonaccruing, by Segment and by Geographic (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Financing Receivable Modifications Number Of Contracts [Line Items]
Total Financing Receivable by TDRs	$ 44,563	$ 46,613
Total Financing Receivable by TDRs	44,563	46,613
Total Financing Receivable by TDRs	44,563	46,613
New York [Member]
Financing Receivable Modifications Number Of Contracts [Line Items]
Total Financing Receivable by TDRs	8,106	8,223
Total Financing Receivable by TDRs	8,106	8,223
Total Financing Receivable by TDRs	8,106	8,223
Florida [Member]
Financing Receivable Modifications Number Of Contracts [Line Items]
Total Financing Receivable by TDRs	26,329	27,070
Total Financing Receivable by TDRs	26,329	27,070
Total Financing Receivable by TDRs	26,329	27,070
Georgia [Member]
Financing Receivable Modifications Number Of Contracts [Line Items]
Total Financing Receivable by TDRs	8,608	8,695
Total Financing Receivable by TDRs	8,608	8,695
Total Financing Receivable by TDRs	8,608	8,695
Ohio [Member]
Financing Receivable Modifications Number Of Contracts [Line Items]
Total Financing Receivable by TDRs		1,000
Total Financing Receivable by TDRs		1,000
Total Financing Receivable by TDRs		1,000
South Dakota [Member]
Financing Receivable Modifications Number Of Contracts [Line Items]
Total Financing Receivable by TDRs	1,520	1,625
Total Financing Receivable by TDRs	1,520	1,625
Total Financing Receivable by TDRs	1,520	1,625
Commercial Real Estate [Member]
Financing Receivable Modifications Number Of Contracts [Line Items]
Total Financing Receivable by TDRs	39,939	41,860
Total Financing Receivable by TDRs	39,939	41,860
Total Financing Receivable by TDRs	39,939	41,860
Multifamily Loans [Member]
Financing Receivable Modifications Number Of Contracts [Line Items]
Total Financing Receivable by TDRs	3,104	3,128
Total Financing Receivable by TDRs	3,104	3,128
Total Financing Receivable by TDRs	3,104	3,128
Land [Member]
Financing Receivable Modifications Number Of Contracts [Line Items]
Total Financing Receivable by TDRs	1,520	1,625
Total Financing Receivable by TDRs	1,520	1,625
Total Financing Receivable by TDRs	1,520	1,625
Non-accrual Status [Member]
Financing Receivable Modifications Number Of Contracts [Line Items]
Total Financing Receivable by TDRs	19,900	33,200
Total Financing Receivable by TDRs	19,900	33,200
Total Financing Receivable by TDRs	19,900	33,200
Performing [Member] | Non-accrual Status [Member]
Financing Receivable Modifications Number Of Contracts [Line Items]
Total Financing Receivable by TDRs	19,873	33,184
Total Financing Receivable by TDRs	19,873	33,184
Total Financing Receivable by TDRs	19,873	33,184
Performing [Member] | Accrual Status [Member]
Financing Receivable Modifications Number Of Contracts [Line Items]
Total Financing Receivable by TDRs	24,690	13,429
Total Financing Receivable by TDRs	24,690	13,429
Total Financing Receivable by TDRs	$ 24,690	$ 13,429

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Earnings Per Common Share and Common Stock Dividend - Additional Information (Detail) (USD $)	0 Months Ended
	Jul. 14, 2014	Apr. 24, 2014
Earnings Per Share [Abstract]
Dividend declared per share	$ 0.05	$ 0.05
Dividend payment date	Aug. 26, 2014	May 26, 2014
Dividend record date	Aug. 15, 2014	May 15, 2014

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Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
ASSETS
Cash and due from banks	$ 10,249	$ 16,689
Federal funds sold and other short-term investments	1,234	8,011
Total cash and cash equivalents	11,483	24,700
Time deposits with banks	4,620	5,370
Securities available for sale, at estimated fair value	305,347	965
Securities held to maturity (estimated fair value of $378,507)		383,937
Federal Reserve Bank and Federal Home Loan Bank stock, at cost	7,715	8,244
Loans receivable (net of allowance for loan losses of $26,634 and $27,833, respectively)	1,148,635	1,099,689
Accrued interest receivable	4,665	4,861
Loan fees receivable	2,224	2,298
Premises and equipment, net	4,428	4,056
Foreclosed real estate (net of valuation allowance of $390 and $2,017, respectively)	2,650	10,669
Deferred income tax asset	15,229	18,362
Other assets	4,207	4,645
Total assets	1,511,203	1,567,796
Deposits:
Noninterest-bearing demand deposit accounts	6,390	5,211
Interest-bearing deposit accounts:
Checking (NOW) accounts	17,505	17,831
Savings accounts	10,382	10,027
Money market accounts	338,999	367,384
Certificate of deposit accounts	841,048	881,779
Total deposit accounts	1,214,324	1,282,232
Long-term debt - subordinated debentures (capital securities)	56,702	56,702
Accrued interest payable on long term debt	56	868
Accrued interest payable on deposits	850	1,508
Mortgage escrow funds payable	27,531	18,879
Official checks outstanding	3,943	7,335
Other liabilities	1,918	3,281
Total liabilities	1,305,324	1,370,805
STOCKHOLDERS' EQUITY
Common stock ($1.00 par value; 62,000,000 shares authorized; 22,023,990 and 21,918,623 shares issued and outstanding, respectively)	22,024	21,919
Additional paid-in-capital, common	86,123	88,043
Unearned compensation on restricted common stock awards	(1,597)	(1,898)
Retained earnings	100,517	88,959
Accumulated other comprehensive loss	(1,188)	(32)
Total stockholders' equity	205,879	196,991
Total liabilities and stockholders' equity	$ 1,511,203	$ 1,567,796

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Loans Receivable - Additional Information (Detail) (USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2014 SecurityLoan	Dec. 31, 2013 SecurityLoan
Financing Receivable Modifications Number Of Contracts [Line Items]
90 days past due and still accruing interest loan	$ 6,630,000	$ 4,087,000
Troubled debt restructured loans	44,563,000	46,613,000
Performing and accruing loans classified as impaired	7,700,000	7,700,000
Performing loans	1	1
Accruing Loans [Member]
Financing Receivable Modifications Number Of Contracts [Line Items]
Number of loans, 90 days past due and still accruing	2	3
90 days past due and still accruing interest loan	4,000,000	4,100,000
Troubled debt restructured loans	22,700,000	13,100,000
Troubled debt restructured loans	24,700,000	13,400,000
Nonaccrual Loans [Member]
Financing Receivable Modifications Number Of Contracts [Line Items]
Total loans	22,500,000	35,900,000
Troubled debt restructured loans	22,500,000	35,900,000
Performing loans	1
Non-accrual Status [Member]
Financing Receivable Modifications Number Of Contracts [Line Items]
Troubled debt restructured loans	$ 19,900,000	$ 33,200,000

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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (USD $)	Total	Preferred Stock [Member]	Additional Paid-In-Capital, Preferred [Member]	Preferred Stock Discount [Member]	Common Stock [Member]	Additional Paid-In-Capital, Common [Member]	Unearned Compensation - Restricted Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]
Balance at beginning of period at Dec. 31, 2012		$ 25,000	$ 24,975,000	$ (376,000)	$ 21,590,000	$ 85,726,000	$ (715,000)	$ 79,722,000
Balance at beginning of period (in shares) at Dec. 31, 2012		25,000			21,589,589
Net earnings	10,287,000							10,287,000
Amortization of preferred stock discount				376,000
Issuance of 92,000 and 465,400 shares of restricted stock					331,000	1,157,000	(1,488,000)
Redemption		(25,000)	(24,975,000)
Issuance of shares of restricted stock (in shares)					330,700		465,400
Amortization of unearned compensation to compensation expense							756,000
Redemption (in shares)		(25,000)
Cash dividends declared and paid on preferred stock								(5,068,000)
Issuance of shares upon exercise of stock options					15,000	39,000
Discount from redemption of preferred stock								187,000
Issuance of shares upon exercise of stock options (in shares)					14,967
Preferred stock discount amortization	(1,057,000)							(376,000)
Forfeiture of shares of restricted stock					(19,000)	(40,000)
Forfeitures of shares of restricted stock issued (in shares)					(18,633)
Excess income tax benefit from equity awards	150,000					150,000
Compensation expense related to stock options						34,000
Total stockholders' equity at end of period at Sep. 30, 2013	192,288,000				21,917,000	87,066,000	(1,447,000)	84,752,000
Balance at end of period (in shares) at Sep. 30, 2013	21,916,623				21,916,623
Balance at beginning of period at Dec. 31, 2013	196,991,000	0	0	0	21,919,000	88,043,000	(1,898,000)	88,959,000	(32,000)
Balance at beginning of period (in shares) at Dec. 31, 2013					21,918,623
Net earnings	13,760,000							13,760,000
Amortization of preferred stock discount				0
Net change in accumulated other comprehensive loss	(1,156,000)								(1,156,000)
Issuance of 92,000 and 465,400 shares of restricted stock					92,000	612,000	(704,000)
Redemption		0	0
Cash dividends declared and paid on common stock								(2,202,000)
Issuance of shares of restricted stock (in shares)					92,000		92,000
Amortization of unearned compensation to compensation expense							1,005,000
Issuance of shares upon exercise of stock options					16,000	37,000
Issuance of shares upon exercise of stock options (in shares)	16,667				16,667
Forfeiture of shares of restricted stock					(3,000)	(11,000)
Forfeitures of shares of restricted stock issued (in shares)					(3,300)
Excess income tax benefit from equity awards	318,000					318,000
Compensation expense related to stock options						16,000
Repurchase and cancelation of stock warrant						(2,892,000)
Total stockholders' equity at end of period at Sep. 30, 2014	$ 205,879,000	$ 0	$ 0	$ 0	$ 22,024,000	$ 86,123,000	$ (1,597,000)	$ 100,517,000	$ (1,188,000)
Balance at end of period (in shares) at Sep. 30, 2014	22,023,990	0			22,023,990

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Deposits - Scheduled Maturities of Certificates of Deposits (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Time Deposits, Fiscal Year Maturity [Abstract]
Within one year, Amount	$ 269,268	$ 307,122
Over one to two years, Amount	158,266	167,323
Over two to three years, Amount	213,925	170,956
Over three to four years, Amount	73,696	106,700
Over four years, Amount	125,893	129,678
Total certificates of deposit, Amount	$ 841,048	$ 881,779
Within one year, Wtd-Avg Stated Rate	1.57%	1.97%
Over one to two years, Wtd-Avg Stated Rate	1.85%	1.92%
Over two to three years, Wtd-Avg Stated Rate	1.96%	1.92%
Over three to four years, Wtd-Avg Stated Rate	1.76%	2.50%
Over four years, Wtd-Avg Stated Rate	2.11%	2.06%
Total certificates of deposit, Wtd-Avg Stated Rate	1.82%	2.03%

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Description of Business and Summary of Significant Accounting Policies - Additional Information (Detail) (Bank of the Ozarks, Inc.[Member], USD $) In Millions, except Per Share data, unless otherwise specified	1 Months Ended
	Jul. 31, 2014
Loans At Acquisition Date [Line Items]
Business combination, agreed purchase price	$ 228.5
Number of days to calculate average closing stock price	10 days
Minimum [Member]
Loans At Acquisition Date [Line Items]
Business combination, share price	$ 23.95
Maximum [Member]
Loans At Acquisition Date [Line Items]
Business combination, share price	$ 39.91

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Common Stock Warrant and Equity Incentive Plans - Summary of Outstanding Common Stock Options and Warrant (Parenthetical) (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants purchased	330,496	1,041,445
Payment for repurchase of warrants	$ 2,892
Vested and exercisable	97.00%
Calculated intrinsic value	$ 9.56
Exercise Price Per Warrant/Option $5.42 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants purchased	0	691,882
Exercise Price Per Warrant/Option	$ 5.42
Payment for repurchase of warrants	$ 2,900
Vested and exercisable	0.00%
Price Per Share $2.55 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Per Warrant/Option	$ 2.55
Vested and exercisable	100.00%

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Fair Value Measurements

9 Months Ended

Sep. 30, 2014

Fair Value Disclosures [Abstract]

Fair Value Measurements

Note 14 – Fair Value Measurements

We use fair value measurements to record fair value adjustments to certain of our assets and to determine our fair value disclosures. In accordance with GAAP, we group our assets and liabilities measured at fair value into three levels (Level 1, 2 and 3), based on the markets in which they are traded and the reliability of the assumptions and inputs that are used to determine their fair value. Level 1 has the highest level of reliability because fair value is based on actively traded markets. See note 20 to the financial statements included in our 2013 10-K for a further discussion of the three valuation levels. At September 30, 2014 and December 31, 2013, we had no liabilities recorded at fair value. At December 31, 2013, we had approximately $1.0 million of assets (comprised of securities available for sale) recorded at fair value (Level 1) on a recurring basis.

Available-for-sale securities at September 30, 2014 measured at fair value on a recurring basis are summarized below:

($ in thousands)	Estimated Fair Value		Level 1		Level 2
U.S. government agencies	$	224,132	$	—	$	224,132
Residential mortgage-backed		79,690		—		79,690
State and municipal		529		—		529
Mutual fund investment		996		996		—
	$	305,347	$	996	$	304,351

The following tables provide information regarding our assets measured at fair value on a nonrecurring basis.

	Outstanding Carrying Value
	At September 30, 2014		At December 31, 2013
($ in thousands)	Level 3		Level 3
Impaired loans (1):
Commercial real estate	$	50,281	$	52,407
Multifamily		3,104		3,128
Land		1,520		1,625
Total impaired loans		54,905		57,160
Foreclosed real estate		2,650		10,669

(1) Outstanding carrying value for impaired loans excludes a specific valuation allowance. See note 4 to the financial statements in this report.

	Accumulated Losses on				Total Losses (Gains) (1)
	Outstanding Balance as of:				Quarter Ended September 30,						Nine-Months Ended September 30,
($ in thousands)	Sep 30, 2014		Dec 31, 2013		2014			2013			2014			2013
Impaired loans: Commercial real estate	$	7,416	$	11,522	$	(452	)	$	—		$	(918	)	$	823
Multifamily		591		594		—			(7	)		(17	)		(964	)
Land		156		500		(5	)		(2	)		(344	)		(23	)
Total impaired loans		8,163		12,616		(457	)		(9	)		(1,279	)		(164	)
Impaired securities		—		—		—			273			—			964
Foreclosed real estate		390		2,017		—			149			(203	)		135
	$	8,553	$	14,633	$	(457	)	$	413		$	(1,482	)	$	935

(1) Represents total losses or (gains) recognized on all assets measured at fair value on a nonrecurring basis during the period indicated. The losses or (gains) for impaired loans represent the change (before chargeoffs and recoveries) during the period in the corresponding specific valuation allowance, while the losses (gains) for foreclosed real estate represent writedowns in carrying values subsequent to foreclosure (recorded as provisions for real estate losses) adjusted for any recoveries of prior write downs and (gains) or losses from the transfer/sale of properties during the period. The losses on securities represent the total of other than temporary impairment charges, which are recorded as component of noninterest income.

The following table details changes in assets measured at fair value on a nonrecurring basis for the periods indicated.

($ in thousands)	Impaired Loans			Foreclosed Real Estate
Quarter Ended September 30, 2014
Balance at beginning of period	$	57,821		$	2,650
Principal repayments/sales		(2,916	)		—
Balance at end of period	$	54,905		$	2,650
Nine-Months Ended September 30, 2014
Balance at beginning of period	$	57,160		$	10,669
Net new impaired loans		3,466			—
Principal repayments/sales		(5,721	)		(8,222	)
Gain from sales		—			203
Balance at end of period	$	54,905		$	2,650

The following table details changes in assets measured at fair value on a nonrecurring basis for the periods indicated.

($ in thousands)	Impaired Securities			Impaired Loans			Foreclosed Real Estate
Quarter Ended September 30, 2013
Balance at beginning of period	$	2,923		$	50,533		$	14,869
Net new impaired loans		—			514			—
Other than temporary impairment write downs		(273	)		—			—
Principal repayments/sales		(46	)		(149	)		(2,701	)
Writedowns of carrying value subsequent to foreclosure		—			—			(250	)
Gains from sales		—			—			101
Balance at end of period	$	2,604		$	50,898		$	12,019
Nine-Months Ended September 30, 2013
Balance at beginning of period	$	3,721		$	65,973		$	15,923
Net new impaired loans		—			8,761			—
Impaired loans transferred to foreclosed real estate		—			(3,040	)		3,040
Other than temporary impairment write downs		(964	)		—			—
Principal repayments/sales		(153	)		(18,858	)		(6,809	)
Chargeoffs of impaired loans		—			(1,938	)		—
Writedowns of carrying value subsequent to foreclosure		—			—			(1,029	)
Recoveries of prior writedowns		—			—			74
Gains from sales		—			—			820
Balance at end of period	$	2,604		$	50,898		$	12,019

We are required to disclose the estimated fair value of each class of our financial instruments for which it is practicable to estimate, which values are shown in the table that follows. The fair value of a financial instrument is the current estimated amount that would be exchanged between willing parties, other than in a forced liquidation. The fair value estimates are made at a specific point in time based on available information. A discussion regarding the assumptions used to compute the estimated fair values disclosed below can be found in note 20 to the financial statements included our 2013 10-K.

The carrying and estimated fair values of our financial instruments are as follows:

	At September 30, 2014				At December 31, 2013
($ in thousands)	Carrying Value		Fair Value		Carrying Value		Fair Value
Financial Assets:
Cash and cash equivalents (1)	$	11,483	$	11,483	$	24,700	$	24,700
Time deposits with banks (1)		4,620		4,620		5,370		5,370
Securities available for sale, net (2)		305,347		305,347		965		965
Securities held to maturity, net (2)		—		—		383,937		378,507
FRB and FHLB stock (3)		7,715		7,715		8,244		8,244
Loans receivable, net (3)		1,148,635		1,161,476		1,099,689		1,100,858
Accrued interest receivable (3)		4,665		4,665		4,861		4,861
Loan fees receivable (3)		2,224		1,765		2,298		1,808
Total Financial Assets	$	1,484,689	$	1,497,071	$	1,530,064	$	1,525,313
Financial Liabilities:
Deposits (3)	$	1,214,324	$	1,229,119	$	1,282,232	$	1,294,690
Borrowed funds plus accrued interest payable (3)		56,758		56,516		57,570		57,260
Accrued interest payable on deposits (3)		850		850		1,508		1,508
Commitments to lend (3)		146		146		408		408
Total Financial Liabilities	$	1,272,078	$	1,286,631	$	1,341,718	$	1,353,866
Net Financial Assets	$	212,611	$	210,440	$	188,346	$	171,447

(1) We consider these fair value measurements to be Level 1.

(2) We consider these fair value measurements to be Level 2, except for $1.0 million at each date (which is considered Level 1).

(3) We consider these fair value measurements to be Level 3.

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Securities Held to Maturity and Available for Sale - Additional Information (Detail) (USD $)	9 Months Ended
	Sep. 30, 2014 Securities Security	Dec. 31, 2013 Security
Amortized Cost and Fair Value Debt Securities [Abstract]
Securities, carrying value	$ 351,600,000
Securities, fair value	349,400,000
Number of held to maturity securities	0	219
Proceeds from sale of securities available for sale	37,384,000
Net realized gain sale of securities available for sale	$ 196,000

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Description of Business and Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

General

General

Intervest Bancshares Corporation (“IBC”) is the parent company of Intervest National Bank (“INB”). References in this report to “we,” “us” and “our” refer to these entities on a consolidated basis, unless otherwise specified. For a description of our business, see note 1 to the financial statements in our 2013 Annual Report on Form 10-K (“2013 10-K”). Our accounting and reporting policies conform to U.S. generally accepted accounting principles (GAAP) and general practices within the banking industry and are described in note 1 to the financial statements in our 2013 10-K, as updated by the information in this Form 10-Q.

Proposed Merger

Proposed Merger

On July 31, 2014, IBC and INB entered into a definitive agreement and plan of merger (the “Merger Agreement”) with Bank of the Ozarks, Inc. (“Ozarks”) and its wholly-owned bank subsidiary, Bank of the Ozarks, relating to a proposed merger transaction. The Merger Agreement provides that, upon the terms and subject to the conditions set forth therein, (i) IBC will merge with and into Ozarks, with Ozarks continuing as the surviving corporation (the “Merger”), and (ii) INB will merge with and into Bank of the Ozarks, with Bank of the Ozarks continuing as the surviving bank (the “Bank Merger” and, collectively with the “Merger,” the “Mergers”).

Subject to the terms and conditions of the Merger Agreement, upon completion of the Merger, each share of IBC’s common stock, issued and outstanding immediately prior to the effective time of the Merger will be converted into the right to receive shares of Ozarks common stock (plus cash in lieu of any fractional share) based on the purchase price of $228.5 million (less the amount paid by IBC to cash out outstanding stock options and stock appreciation rights and to redeem all outstanding stock warrants prior to closing), subject to certain additional purchase price adjustments set forth in the Merger Agreement. The number of Ozarks shares to be issued will be determined based on Ozarks’ 10-day average closing stock price as of the fifth business day prior to the closing date, subject to a minimum and maximum price of $23.95 and $39.91, respectively.

It is a condition of the Merger that all IBC stock options and stock appreciation rights, whether or not vested, will be cashed out by IBC prior to closing and shares of restricted stock will become fully vested. The foregoing description of the Merger Agreement does not purport to be complete and is qualified in its entirety by reference to the complete text of the Merger Agreement, which was filed as Exhibit 2.1 to IBC’s Current Report on Form 8-K, filed on July 31, 2014.

The Merger Agreement has been approved by the boards of directors of each of IBC and Ozarks. Subject to the required approval of IBC’s stockholders, requisite regulatory approvals, the effectiveness of the registration statement filed by Ozarks with respect to the stock to be issued in this transaction, and other customary closing conditions, the Merger is expected to be completed by the end of the first quarter of 2015. See note 11 for a discussion of certain litigation in connection with this Merger.

Principles of Consolidation and Basis of Presentation

Principles of Consolidation and Basis of Presentation

The condensed consolidated financial statements (“financial statements”) in this report have not been audited except for information derived from our audited 2013 consolidated financial statements and notes thereto and should be read in conjunction with our 2013 10-K. Certain information and note disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted in this report pursuant to the rules and regulations of the Securities and Exchange Commission.

Use of Estimates

Use of Estimates

In preparing our financial statements, we are required to make estimates and assumptions that affect the reported amounts of assets, liabilities and disclosure of contingent liabilities as of the date of the financial statements, and revenues and expenses during the reporting periods. Actual results could differ from those estimates. Estimates that are particularly susceptible to significant change currently relate to the determination of our allowance for loan losses and valuation allowance for real estate losses. These estimates involve a higher degree of complexity and subjectivity and may require assumptions about highly uncertain matters. Current market conditions increase the risk and complexity of the judgments in these estimates. In our opinion, all material adjustments necessary for a fair presentation of our financial condition and results of operations for the interim periods presented in this report have been made. These adjustments are of a normal recurring nature.

All significant intercompany balances and transactions have been eliminated in consolidation. Our results of operations for the interim periods are not necessarily indicative of results that may be expected for the entire year or any other interim period.

Stock-Based Compensation

Stock-Based Compensation

We recognize the cost of our employee and director services received in exchange for awards of our equity instruments (which are in the form of restricted stock, stock options and cash-settled stock appreciation rights or “SARs”) that vest over time based on the grant-date fair value of the awards. The fair value of restricted stock grants is based on the closing market value of our common stock as reported on the Nasdaq Stock Market on the grant date. The fair value of options and SARs is estimated using the Black-Scholes option-pricing model based on various inputs and assumptions that are described in note 9. Compensation cost, or the grant-date fair value of the awards, related to equity awards is recognized on a straight-line basis over the requisite service period, which is normally the vesting period of the grants.

For SARs only, fair value is re-measured at the end of each reporting period and amortized as compensation cost over the remaining requisite service period less amounts previously recognized. The SARs represent liability-classified awards that are remeasured to reflect their fair value at each reporting period. After the requisite service period is completed, the SAR’s fair value continues to be remeasured each reporting period until settlement and any increase/decrease in the fair value is immediately recognized as an increase/decrease to our reported stock compensation expense. Upon cash-settlement of a SAR, stock compensation expense is trued-up to equal the SAR’s intrinsic cash value on the date of settlement.

Stock-based compensation associated with equity awards is recorded as stock compensation expense in the statement of earnings and a corresponding increase to stockholders’ equity as additional paid-in capital for amounts related to restricted stock and stock options, and corresponding increase to accrued stock compensation payable for amounts related to the SARs, which is reported as part of our “other liabilities” in our balance sheet.

For any excess income tax benefit associated with the vesting of restricted common stock awards and the exercise of stock option awards (calculated as the difference between the fair market value of the stock at the vesting date versus the grant date in the case of stock awards and the difference between the fair market value of the stock at the exercise date versus the exercise price per share in the case of options, multiplied by our effective income tax rate) is recorded as decrease to our income taxes payable and an increase in stockholders’ equity as paid-in capital.

Recent Accounting Standards Update

Recent Accounting Standards Update

In February 2013, the FASB Issued ASU No. 2013-04, “Obligations Resulting from Joint and Several Liability Arrangements for Which the Total Amount of the Obligation Is Fixed at the Reporting Date”. ASU 2013-04 provides guidance for the recognition, measurement, and disclosure of obligations resulting from joint and several liability arrangements for obligations within the scope of this ASU. We adopted this ASU on January 1, 2014 and it had no impact on our financial statements.

In July 2013, the FASB issued ASU 2013-11, “Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists,” which among other things, requires an unrecognized tax benefit, or a portion of an unrecognized tax benefit, to be presented in the financial statements as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward, except as denoted within the ASU. The amendments in this ASU are effective for fiscal years, and interim periods within those years, beginning after December 15, 2013. We adopted this ASU on January 1, 2014 and it had no impact on our financial statements.

In January 2014, the FASB issued ASU 2014-04, “Receivables-Troubled Debt Restructurings by Creditors (Subtopic 310-40): Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure”, which is intended to clarify when a creditor should be considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan such that the loan should be derecognized and the real estate recognized. These amendments clarify that an in substance repossession or foreclosure occurs, and a creditor is considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan, upon either: (a) the creditor obtaining legal title to the residential real estate property upon completion of a foreclosure; or (b) the borrower conveying all interest in the residential real estate property to the creditor to satisfy that loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Additional disclosures are required. The amendments are effective for us beginning January 1, 2015.

In June 2014, FASB issued ASU 2014-11, “Transfers and Servicing – Repurchase-to-Maturity Transactions, Repurchase Financings, and Disclosures.” ASU 2014-11 requires, among other things, two accounting changes. First, the amendments in this update change the accounting for repurchase-to-maturity transactions to secured borrowing accounting. Second, for repurchase financing arrangements, the amendments require separate accounting for a transfer of a financial asset executed contemporaneously with a repurchase agreement with the same counterparty, which will result in secured borrowing accounting for the repurchase agreement. ASU 2014-11 is effective for the first interim or annual period beginning after December 15, 2014. The adoption of this guidance is not expected to have any impact on our financial statements.

In June 2014, FASB issued ASU 2014-12, “Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period.” ASU 2014-12 requires, among other things, that a performance target that affects vesting and could be achieved after the requisite service period be treated as a performance condition. As such, the performance target should not be reflected in estimating the grant-date fair value of the award. ASU 2014-12 is effective for annual reporting periods beginning after December 15, 2015, with early adoption permitted. The adoption of this guidance is not expected to have any impact on our financial statements.

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Common Stock Warrant and Equity Incentive Plans - Summary of Activity in IBCs Restricted Class A Common Stock (Detail) (Restricted Common Stock [Member], USD $)	9 Months Ended
	Sep. 30, 2014
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Beginning Outstanding	573,317
Shares granted	92,000
Shares forfeited	(3,300)
Shares vested and no longer restricted	(224,116)
Ending Outstanding	437,901
Wtd-Avg price outstanding, Beginning Balance	$ 4.70
Wtd-Avg price , Shares granted	$ 7.65
Wtd-Avg price, Shares forfeited	$ 4.26
Wtd-Avg price , Shares vested and no longer restricted	$ 4.69
Wtd-Avg price outstanding, Ending Balance	$ 5.33
Price Per Share $2.90 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Price Per Share	$ 2.90
Beginning Outstanding	158,317
Shares granted
Shares forfeited	(500)
Shares vested and no longer restricted	(101,035)
Ending Outstanding	56,782
Price Per Share $4.50 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Price Per Share	$ 4.50
Beginning Outstanding	279,500
Shares granted
Shares forfeited	(2,800)
Shares vested and no longer restricted	(47,664)
Ending Outstanding	229,036
Price Per Share $7.21 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Price Per Share	$ 7.21
Beginning Outstanding	135,500
Shares granted
Shares forfeited
Shares vested and no longer restricted	(75,417)
Ending Outstanding	60,083
Price Per Share $7.65 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Price Per Share	$ 7.65
Beginning Outstanding
Shares granted	92,000
Shares forfeited
Shares vested and no longer restricted
Ending Outstanding	92,000

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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parenthetical) (Unearned Compensation - Restricted Common Stock [Member])	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Unearned Compensation - Restricted Common Stock [Member]
Issuance of shares of restricted stock, shares	92,000	465,400

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Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Securities held to maturity, estimated fair value		$ 378,507
Loans receivable, allowance for loan losses	26,634	27,833
Foreclosed real estate, valuation allowance	$ 390	$ 2,017
Common stock, par value	$ 1.00	$ 1.00
Common stock, shares authorized	62,000,000	62,000,000
Common stock, shares issued	22,023,990	21,918,623
Common stock, shares outstanding	22,023,990	21,918,623

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Common Stock Warrant and Equity Incentive Plans

9 Months Ended

Sep. 30, 2014

Text Block [Abstract]

Common Stock Warrant and Equity Incentive Plans

Note 9 – Common Stock Warrant and Equity Incentive Plans

IBC has shareholder-approved equity incentive plans in place under which stock options, restricted stock and other forms of incentive compensation may be awarded from time to time to officers, employees and directors of IBC and its subsidiary. The maximum number of shares of common stock that may be awarded is 2,250,000. At September 30, 2014, 624,703 shares of common stock were available for award.

Stock Options and Stock Warrant

There were no awards of options during the quarterly and nine-month periods ended September 30, 2014 and 2013.

A summary of outstanding common stock options and warrant and related information follows:

	Exercise Price Per Warrant/Option																					Wtd-Avg. Exercise Price
($ in thousands, except per share amounts)	$5.42 (1)			$17.10			$7.50			$4.02			$3.00			$2.55			Total
Outstanding at December 31, 2013		691,882			110,640			113,990			57,400			32,400			35,133			1,041,445		$	6.64
Repurchased and cancelled		(691,882	)		—			—			—			—			—			(691,882	)	$	5.42
Forfeited/expired (2)		—			(600	)		(300	)		(300	)		(300	)		(900	)		(2,400	)	$	7.05
Options exercised		—			—			(600	)		(2,400	)		(7,500	)		(6,167	)		(16,667	)	$	3.14
Outstanding at September 30, 2014		—			110,040			113,090			54,700			24,600			28,066			330,496		$	9.37
Expiration date		—			12/13/17			12/11/18			12/10/19			12/09/20			12/08/21
Vested and exercisable (3)		—			100	%		100	%		100	%		100	%		67	%		97	%
Wtd-avg contractual remaining term (in years)		—			3.2			4.2			5.2			6.2			7.2			4.4
Intrinsic value at September 30, 2014 (4)		—		$	—		$	233		$	303		$	161		$	197		$	894

(1) The U.S. Department of the Treasury, in connection with IBC’s prior participation in the Capital Purchase Program of TARP, had owned a warrant to purchase 691,882 shares of IBC’s common stock at an exercise price of $5.42 per share. On September 3, 2014, IBC repurchased the warrant for a purchase price of $2.9 million and cancelled the warrant. The purchase price was recorded as a reduction in IBC’s stockholders’ equity.

(2) Represent options forfeited or expired unexercised.

(3) The $2.55 options further vest and become 100% exercisable on December 8, 2014. Full vesting may occur earlier upon the occurrence of certain events as defined in the option agreement.

(4) Intrinsic value was calculated using the closing price of the common stock on September 30, 2014 of $9.56.

Restricted Stock

A summary of selected information regarding awards of restricted common stock during the periods covered by this report follows:

($ in thousands, except per share amounts)
Grant date of award		1/23/14		1/24/13
Total restricted shares of stock awarded (1)		92,000		330,700
Grant date per share fair value (2)	$	7.65	$	4.50
Total estimated fair value of award	$	703,800	$	1,488,150
Awards scheduled to vest as follows:
January 2014		—		49,566
January 2015		30,664		170,888
January 2016		30,664		110,246
January 2017		30,672		—
		92,000		330,700

(1) For 2014, awards were as follows: a total of 12,000 shares to five executive officers and a total of 80,000 shares to eight non-employee directors (vesting in three equal installments, with one third on each of the next three anniversary dates of the grant).

For 2013, awards were as follows: a total of 182,000 shares to five executive officers (vesting in two installments, with two thirds vesting on the second anniversary of the grant and the remaining one third on the third anniversary of the grant); a total of 80,000 shares to eight non-employee directors and 68,700 shares to other officers and employees (vesting in three equal installments, with one third on each of the first three anniversary dates of the grant).

(2) Fair value of each award was based on the closing market price of IBC’s common stock on the grant date.

A summary of outstanding restricted common stock and related information follows:

	Price Per Share														Wtd-Avg. Price Per Share
	$2.90			$4.50			$7.21			$7.65		Total
Outstanding at December 31, 2013		158,317			279,500			135,500			—		573,317		$	4.70
Shares granted		—			—			—			92,000		92,000		$	7.65
Shares forfeited		(500	)		(2,800	)		—			—		(3,300	)	$	4.26
Shares vested and no longer restricted		(101,035	)		(47,664	)		(75,417	)		—		(224,116	)	$	4.69
Outstanding at September 30, 2014 (1) (2)		56,782			229,036			60,083			92,000		437,901		$	5.33

(1) All outstanding shares of restricted common stock at September 30, 2014 were unvested and subject to forfeiture.

Shares issued at $2.90 vest: 56,782 on January 19, 2015.

Shares issued at $4.50 vest: 137,264 on January 24, 2015; 91,772 on January 24, 2016.

Shares issued at $7.21 vest: 14,584 on January 19, 2015; 30,333 on January 24, 2015; 15,166 on January 24, 2016.

Shares issued at $7.65 vest: 30,664 on January 23, 2015; 30,664 on January 23, 2016; 30,672 on January 23, 2017.

(2) Vesting is subject to the grantee’s continued employment with us or, in the case of non-employee directors, the grantee’s continued service as our director on the vesting dates. All of the awards are subject to accelerated vesting upon the death or disability of the grantee or upon a change in control of IBC, as defined in the restricted stock award agreements. The record holder of IBC’s restricted shares of common stock possesses all the rights of a holder of our common stock, including the right to receive dividends on the shares when declared and to vote the restricted shares. The restricted shares may not be sold, transferred, pledged, assigned, encumbered, or otherwise alienated or hypothecated until they become fully vested and transferable in accordance with the award agreements.

Stock Appreciations Rights

On January 23, 2014, Cash-Settled Stock Appreciation Rights (or “SARs”) were awarded to five executive officers in the total amount of 78,000 shares. The SARs have an exercise price of $7.65 per share, a contractual term of 5 years from the date of grant, upon which they expire, and they vest in three equal installments on the first, second and third anniversaries of the grant date. The SARs are exercisable for thirty days after the holder terminates service to our Company, unless such termination is due to the holder’s death or disability, in which case the SARs are exercisable for one year after termination. The SARs give the executive the right to receive upon exercise, an amount payable in cash equal to the number of shares subject to the SAR that is being exercised multiplied by the excess of (a) the fair market value of a share of our common stock on the date the SAR is exercised, over (b) the exercise price specified in the SAR award agreement, which in the case of this award is $7.65. The estimated fair value of each SAR on the date of grant was $2.28, or a total estimated fair value of $178,000 as calculated using the Black-Scholes option pricing model with the following assumptions used as inputs into the model: expected dividend yield of 1.75%; expected stock volatility of 45%; risk-free interest rate of 0.98% and an expected term of 3.5 years.

Stock Compensation Expense and Excess Income Tax Benefit

Stock-based compensation expense related to all equity awards totaled $278,000 and $229,000 for the third quarter of 2014 and 2013, respectively, and $1,052,000 and $731,000 for the nine-months ended September 30, 2014 and 2013, respectively. The expense for the 2014 third quarter and nine-month period included $19,000 and $45,000, respectively, attributable to outstanding cash-settled SARs (all of which were issued in January 2014). At September 30, 2014, pre-tax compensation expense related to all non-vested equity awards not yet recognized totaled $1.8 million and such amount is expected to be recognized in the future over a weighted-average period of approximately 1.7 years.

Our income taxes payable was reduced by the excess income tax benefit arising from the vesting of restricted common stock awards and the exercise of stock option awards during the reporting periods in this report based on certain criteria as described in note 1 to the financial statements. The tax benefit amounted to $11,000 for the third quarter of 2014 and $5,000 for the third quarter of 2013, and $318,000 and $150,000 for the first nine-months of 2014 and 2013, respectively.

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Document and Entity Information	9 Months Ended
	Sep. 30, 2014	Oct. 31, 2014
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q3
Trading Symbol	IBCA
Entity Registrant Name	INTERVEST BANCSHARES CORP
Entity Central Index Key	0000927807
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		22,023,990

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Earnings Per Common Share and Common Stock Dividend

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Earnings Per Common Share and Common Stock Dividend

Note 10 – Earnings Per Common Share and Common Stock Dividend

Net earnings applicable to common stockholders and the weighted-average number of shares used for basic and diluted earnings per common share computations are summarized in the table that follows:

	Quarter Ended September 30,				Nine-Months Ended September 30,
	2014		2013		2014		2013
Basic Earnings Per Common Share:
Net earnings available to common stockholders	$	4,180,000	$	2,588,000	$	13,760,000	$	9,230,000
Weighted-Average number of common shares outstanding		22,024,722		21,915,596		22,013,754		21,891,886
Basic Earnings Per Common Share	$	0.19	$	0.12	$	0.62	$	0.42
Diluted Earnings Per Common Share:
Net earnings applicable to common stockholders	$	4,180,000	$	2,588,000	$	13,760,000	$	9,230,000
Weighted-Average number of common shares outstanding:
Common shares outstanding		22,024,722		21,915,596		22,013,754		21,891,886
Potential dilutive shares resulting from exercise of warrants/options (1)		243,523		135,866		192,981		81,064
Total average number of common shares outstanding used for dilution		22,268,245		22,051,462		22,206,735		21,972,950
Diluted Earnings Per Common Share	$	0.19	$	0.12	$	0.62	$	0.42

(1) All outstanding options/warrants to purchase shares of our common stock were considered for the diluted earnings per common share computations and only those that were dilutive (as determined by using the treasury stock method prescribed by GAAP) were included in the computations above. For the quarter and nine-month periods of 2014, outstanding options/warrants to purchase 110,040 shares of common stock were not dilutive because the exercise price of each was above the average market price of our common stock during these periods. For both the quarter and nine-month periods of 2013, 234,430 of options/warrants to purchase common stock were not dilutive because the exercise price of each was above the average market price of our common stock during these periods.

On April 24, 2014, IBC’s board of directors approved the initiation of a quarterly cash dividend to common stockholders. The initial quarterly dividend declared of $0.05 per common share was paid on May 26, 2014 to stockholders of record at the close of business on May 15, 2014. Although IBC intends to pay a quarterly cash dividend, future dividends are discretionary and subject to the approval of IBC’s board of directors.

On July 14, 2014, IBC’s board of directors approved a quarterly dividend of $0.05 per common share payable August 26, 2014 to stockholders of record at the close of business on August 15, 2014.

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Fair Value Measurements - Change in Assets Measured at Fair Value on a Nonrecurring Basis (Detail) (Assets Measured at Fair Value on a Nonrecurring Basis [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Impaired Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance at beginning of period		$ 2,923		$ 3,721
Other than temporary impairment write downs		(273)		(964)
Principal repayments/sales		(46)		(153)
Balance at end of period		2,604		2,604
Impaired Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance at beginning of period	57,821	50,533	57,160	65,973
Net new impaired loans		514	3,466	8,761
Impaired loans transferred to foreclosed real estate				(3,040)
Principal repayments/sales	(2,916)	(149)	(5,721)	(18,858)
Chargeoffs of impaired loans				(1,938)
Gain from sales
Balance at end of period	54,905	50,898	54,905	50,898
Foreclosed Real Estate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance at beginning of period	2,650	14,869	10,669	15,923
Net new impaired loans
Impaired loans transferred to foreclosed real estate				3,040
Principal repayments/sales		(2,701)	(8,222)	(6,809)
Writedowns of carrying value subsequent to foreclosure		(250)		(1,029)
Recoveries of prior writedowns				74
Gain from sales		101	203	820
Balance at end of period	$ 2,650	$ 12,019	$ 2,650	$ 12,019

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Condensed Consolidated Statements of Earnings (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
INTEREST AND DIVIDEND INCOME
Loans receivable	$ 14,760	$ 14,486	$ 43,961	$ 44,230
Securities	1,141	1,121	3,486	3,213
Other interest-earning assets	15	17	48	53
Total interest and dividend income	15,916	15,624	47,495	47,496
INTEREST EXPENSE
Deposits	4,530	6,392	14,209	19,810
Subordinated debentures - capital securities	396	402	1,182	1,277
Total interest expense	4,926	6,794	15,391	21,087
Net interest and dividend income	10,990	8,830	32,104	26,409
Provision (credit) for loan losses		250	(1,500)	(1,500)
Net interest and dividend income after provision (credit) for loan losses	10,990	8,580	33,604	27,909
NONINTEREST INCOME
Income from the early repayment of mortgage loans	432	619	2,961	1,909
Income from mortgage lending activities	277	455	869	1,112
Customer service fees	104	100	310	289
Gains from sales of securities available for sale	196		196
Impairment writedowns on investment securities		(273)		(964)
Total noninterest income	1,009	901	4,336	2,346
NONINTEREST EXPENSES
Salaries and employee benefits	1,963	1,852	6,105	5,663
Stock compensation for employees and directors	278	229	1,052	731
Occupancy and equipment, net	540	554	1,627	1,632
Data processing	107	97	317	271
Professional fees and services	1,113	327	1,773	1,095
Stationery, printing, supplies, postage and delivery	50	61	211	207
FDIC insurance	192	318	717	1,129
General insurance	150	153	447	455
Director and committee fees	97	85	342	272
Advertising and promotion	7	7	33	17
Real estate activities expense (income), net	117	212	616	(1,120)
Provision for real estate losses		250		955
All other	117	179	488	482
Total noninterest expenses	4,731	4,324	13,728	11,789
Earnings before provision for income taxes	7,268	5,157	24,212	18,466
Provision for income taxes	3,088	2,300	10,452	8,179
Net earnings	4,180	2,857	13,760	10,287
Preferred stock dividend requirements and discount amortization		(269)		(1,057)
Net earnings available to common stockholders	$ 4,180	$ 2,588	$ 13,760	$ 9,230
Basic earnings per common share	$ 0.19	$ 0.12	$ 0.62	$ 0.42
Diluted earnings per common share	$ 0.19	$ 0.12	$ 0.62	$ 0.42
Cash dividends per common share	$ 0.05		$ 0.10

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Allowance for Loan Losses

9 Months Ended

Sep. 30, 2014

Text Block [Abstract]

Allowance for Loan Losses

Note 4 – Allowance for Loan Losses

Activity in the allowance for loan losses by loan type for the periods indicated is as follows:

($ in thousands)	Commercial Real Estate			Multifamily			One to Four Family			Land			All Other			Total
Quarter Ended September 30, 2014
Balance at beginning of period	$	18,381		$	4,964		$	2,358		$	887		$	8		$	26,598
Loan chargeoffs		—			—			—			—			—			—
Loan recoveries		36			—			—			—			—			36
Provision (credit) for loan losses		17			(139	)		(28	)		150			—			—
Balance at end of period	$	18,434		$	4,825		$	2,330		$	1,037		$	8		$	26,634
Nine-Months Ended September 30, 2014
Balance at beginning of period	$	18,403		$	5,097		$	3,017		$	1,308		$	8		$	27,833
Loan chargeoffs		—			—			—			—			—			—
Loan recoveries		287			14			—			—			—			301
Credit for loan losses		(256	)		(286	)		(687	)		(271	)		—			(1,500	)
Balance at end of period	$	18,434		$	4,825		$	2,330		$	1,037		$	8		$	26,634
($ in thousands)	Commercial Real Estate			Multifamily			One to Four Family			Land			All Other			Total
Quarter Ended September 30, 2013
Balance at beginning of period	$	17,596		$	5,098		$	2,795		$	956		$	10		$	26,455
Loan chargeoffs		—			—			—			—			—			—
Loan recoveries		67			5			—			—			—			72
Provision (credit) for loan losses		(175	)		212			229			(15	)		(1	)		250
Balance at end of period	$	17,488		$	5,315		$	3,024		$	941		$	9		$	26,777
Nine-Months Ended September 30, 2013
Balance at beginning of period	$	19,051		$	6,881		$	1,120		$	1,043		$	8		$	28,103
Loan chargeoffs		(1,932	)		(6	)		—			—			—			(1,938	)
Loan recoveries (1)		947			682			—			483			—			2,112
Provision (credit) for loan losses		(578	)		(2,242	)		1,904			(585	)		1			(1,500	)
Balance at end of period	$	17,488		$	5,315		$	3,024		$	941		$	9		$	26,777

(1) In the first and second quarters of 2013, INB entered into settlement agreements with respect to certain litigation INB had pursued in connection with foreclosure actions it had commenced in 2010 on several of its loans. INB commenced the actions to collect, in one case, insurance proceeds, which it contended had been improperly paid to various third parties, and in another case, damages due to alleged legal malpractice when the loan was originated. As a result of these settlements, INB received net proceeds totaling $2.7 million and $0.1 million in the first and second quarter of 2013, respectively, which was recorded as $1.2 million of recoveries of prior loan charge offs and $1.6 million of recoveries of prior real estate expenses associated with two loans and underlying collateral property.

The following table sets forth the balances of our loans receivable by segment and impairment evaluation and the allowance for loan losses associated with such loans at September 30, 2014.

($ in thousands)	Commercial Real Estate		Multifamily		One to Four Family		Land		All Other		Total
Loans:
Individually evaluated for impairment	$	50,281	$	3,104	$	—	$	1,520	$	—	$	54,905
Collectively evaluated for impairment		858,416		197,147		59,472		8,355		1,142		1,124,532
Total loans	$	908,697	$	200,251	$	59,472	$	9,875	$	1,142	$	1,179,437
Allowance for loan losses:
Individually evaluated for impairment	$	4,369	$	590	$	—	$	156	$	—	$	5,115
Collectively evaluated for impairment		14,066		4,234		2,330		881		8		21,519
Total allowance for loan losses	$	18,435	$	4,824	$	2,330	$	1,037	$	8	$	26,634

The following table sets forth the balances of our loans receivable by segment and impairment evaluation and the allowance for loan losses associated with such loans at December 31, 2013.

($ in thousands)	Commercial Real Estate		Multifamily		One to Four Family		Land		All Other		Total
Loans:
Individually evaluated for impairment	$	52,407	$	3,128	$	—	$	1,625	$	—	$	57,160
Collectively evaluated for impairment		786,359		207,142		72,064		7,553		1,272		1,074,390
Total loans	$	838,766	$	210,270	$	72,064	$	9,178	$	1,272	$	1,131,550
Allowance for loan losses:
Individually evaluated for impairment	$	4,999	$	594	$	—	$	500	$	—	$	6,093
Collectively evaluated for impairment		13,404		4,503		3,017		808		8		21,740
Total allowance for loan losses	$	18,403	$	5,097	$	3,017	$	1,308	$	8	$	27,833

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Loans Receivable

9 Months Ended

Sep. 30, 2014

Receivables [Abstract]

Loans Receivable

Note 3 – Loans Receivable

Major classifications of loans receivable are summarized as follows:

	At September 30, 2014					At December 31, 2013
($ in thousands)	# of Loans		Amount			# of Loans		Amount
Loans Secured By Real Estate:
Commercial loans		426	$	908,697			394	$	838,766
Multifamily loans		137		200,251			138		210,270
One to four family loans		17		59,472			20		72,064
Land loans		6		9,875			5		9,178
		586		1,178,295			557		1,130,278
All Other Loans:
Business loans		18		1,004			19		1,061
Consumer loans		7		138			12		211
		25		1,142			31		1,272
Loans receivable, gross		611		1,179,437			588		1,131,550
Deferred loan fees				(4,168	)				(4,028	)
Loans receivable, net of deferred fees				1,175,269					1,127,522
Allowance for loan losses				(26,634	)				(27,833	)
Loans receivable, net			$	1,148,635				$	1,099,689

Loans 90 days past due and still accruing interest – At September 30, 2014, there were two loans 90 days past due and still accruing totaling $4.0 million, compared to three loans totaling $4.1 million at December 31, 2013.

Loans on nonaccrual status – At September 30, 2014 and December 31, 2013, there were $22.5 million and $35.9 million of loans, respectively, on nonaccrual status, which included restructured loans (or “TDRs”) of $19.9 million and $33.2 million, respectively. All nonaccrual loans were considered impaired loans.

TDRs on accrual status - At September 30, 2014 and December 31, 2013, there were $24.7 million and $13.4 million of TDR loans, respectively, classified as accruing TDRs. All of these TDR loans were considered impaired loans.

Other impaired loans - At September 30, 2014 and December 31, 2013, there was one performing and accruing loan of $7.7 million that was also classified as impaired.

The tables below summarize certain information regarding our impaired loans as follows:

($ in thousands)	Recorded Investment by State (1)																Specific Valuation Allowance (2)		Total Unpaid Principal (3)		# of Loans
At September 30, 2014 Type	NY		FL		VA		GA		CT		OH		SD		Total
Retail	$	8,106	$	9,005	$	7,677	$	—	$	2,665	$	—	$	—	$	27,453	$	2,456	$	31,150		6
Office Building		—		14,220		—		8,608		—		—		—		22,828		1,913		22,915		3
Multifamily		—		3,104		—		—		—		—		—		3,104		590		3,104		2
Land		—		—		—		—		—		—		1,520		1,520		156		1,520		1
Totals	$	8,106	$	26,329	$	7,677	$	8,608	$	2,665	$	—	$	1,520	$	54,905	$	5,115	$	58,689		12
($ in thousands)	Recorded Investment by State (1)																Specific Valuation Allowance (2)		Total Unpaid Principal (3)		# of Loans
At December 31, 2013 Type	NY		FL		VA		GA		CT		OH		SD		Total
Retail	$	8,223	$	9,005	$	7,828	$	—	$	2,719	$	1,000	$	—	$	28,775	$	3,052	$	36,216		7
Office Building		—		14,937		—		8,695		—		—		—		23,632		1,947		23,632		3
Multifamily		—		3,128		—		—		—		—		—		3,128		594		3,128		2
Land		—		—		—		—		—		—		1,625		1,625		500		1,625		1
Totals	$	8,223	$	27,070	$	7,828	$	8,695	$	2,719	$	1,000	$	1,625	$	57,160	$	6,093	$	64,601		13

(1) Represents unpaid principal less partial principal charge offs and interest received and applied as a reduction of principal in certain cases.

(2) Represents a specific valuation allowance against the recorded investment, which is included as part of our overall allowance for loan losses. All impaired loans at the dates indicated in the table had a specific valuation allowance.

(3) Represents contractual unpaid principal balance (shown for informational purposes only). The borrowers are obligated to pay such amounts. However, the ultimate collection by us of such amounts is not assured.

Other information related to our impaired loans is summarized as follows:

	Quarter Ended September 30,				Nine-Months Ended September 30,
($ in thousands)	2014		2013		2014		2013
Average recorded investment in nonaccrual loans	$	21,551	$	39,159	$	30,784	$	41,039
Total cash basis interest income recognized on nonaccrual loans		304		521		1,281		1,729
Average recorded investment in accruing TDR loans		26,451		11,423		18,864		14,482
Total interest income recognized on accruing TDR loans under modified terms		226		152		626		581

Age analysis of our loan portfolio by segment at September 30, 2014 is summarized as follows:

($ in thousands)	Total Portfolio		Current		Past Due 31-59 Days		Past Due 60-89 Days		Past Due 90 or more Days		Total Past Due
Accruing Loans:
Commercial real estate	$	888,420	$	886,078	$	—	$	378	$	1,963	$	2,341
Multifamily		197,990		192,635		—		3,353		2,002		5,355
One to four family		59,472		59,472		—		—		—		—
Land		9,875		9,875		—		—		—		—
All other		1,142		1,142		—		—		—		—
Total accruing loans		1,156,899		1,149,202		—		3,731		3,965		7,696
Nonaccrual Loans (1):
Commercial real estate		20,277		13,292		—		4,320		2,665		6,985
Multifamily		2,261		2,261		—		—		—
Total nonaccrual loans		22,538		15,553		—		4,320		2,665		6,985
Total loans	$	1,179,437	$	1,164,755	$	—	$	8,051	$	6,630	$	14,681

(1) The amount of nonaccrual loans in the current column included $19.9 million of TDRs for which payments were being made in accordance with their restructured terms, but the loans were maintained on nonaccrual status in accordance with regulatory guidance. The remaining portion was comprised of one performing and paying loan classified nonaccrual due to concerns regarding the borrower’s ability to continue making payments. Interest income from loan payments received on loans in nonaccrual status is recognized on a cash basis, provided the remaining principal balance is deemed collectible.

Age analysis of our loan portfolio by segment at December 31, 2013 is summarized as follows:

($ in thousands)	Total Portfolio		Current		Past Due 31-59 Days		Past Due 60-89 Days		Past Due 90 or more Days		Total Past Due
Accruing Loans:
Commercial real estate	$	802,863	$	796,980	$	1,796	$	—	$	4,087	$	5,883
Multifamily		210,270		209,426		844		—		—		844
One to four family		72,064		72,064		—		—		—		—
Land		9,178		9,178		—		—		—		—
All other		1,272		1,271		1		—		—		1
Total accruing loans		1,095,647		1,088,919		2,641		—		4,087		6,728
Nonaccrual Loans (1):
Commercial real estate		35,903		35,903		—		—		—		—
Total loans	$	1,131,550	$	1,124,822	$	2,641	$	—	$	4,087	$	6,728

(1) The amount of nonaccrual loans in the current column included $33.2 million of TDRs for which payments were being made in accordance with their restructured terms, but the loans were maintained on nonaccrual status in accordance with regulatory guidance. The remaining portion was comprised of certain paying loans classified nonaccrual due to concerns regarding the borrowers’ ability to continue making payments. Interest income from loan payments received on loans in nonaccrual status is recognized on a cash basis, provided the remaining principal balance is deemed collectible.

Information regarding the credit quality of the loan portfolio based on our internally assigned grades follows:

($ in thousands)	Pass		Special Mention		Substandard (1)		Total
At September 30, 2014
Commercial real estate	$	853,979	$	2,236	$	52,482	$	908,697
Multifamily		194,334		2,357		3,560		200,251
One to four family		59,472		—		—		59,472
Land		9,875		—		—		9,875
All other		1,142		—		—		1,142
Total loans	$	1,118,802	$	4,593	$	56,042	$	1,179,437
Allocation of allowance for loan losses	$	21,530	$	141	$	4,963	$	26,634
At December 31, 2013
Commercial real estate	$	772,900	$	3,522	$	62,344	$	838,766
Multifamily		204,298		2,369		3,603		210,270
One to four family		72,064		—		—		72,064
Land		7,553		—		1,625		9,178
All other		1,272		—		—		1,272
Total loans	$	1,058,087	$	5,891	$	67,572	$	1,131,550
Allocation of allowance for loan losses	$	20,720	$	169	$	6,944	$	27,833

(1) Substandard loans consisted of $22.5 million of nonaccrual loans, $22.7 million of accruing TDRs and $10.8 million of other performing loans at September 30, 2014, compared to $35.9 million, $13.1 million and $18.6 million in the same categories, respectively, at December 31, 2013. At September 30, 2014 and December 31, 2013, we also had accruing TDRs of $2.0 million and $0.4 million, respectively, which were rated pass.

The geographic distribution of the loan portfolio by state follows:

($ in thousands)	At September 30, 2014					At December 31, 2013
	Amount		% of Total			Amount		% of Total
New York	$	648,271		55.0	%	$	670,052		59.3	%
Florida		346,757		29.4			321,812		28.4
North Carolina		28,390		2.4			22,611		2.0
Georgia		24,249		2.1			18,799		1.7
New Jersey		13,832		1.2			15,650		1.4
Pennsylvania		13,154		1.1			16,898		1.5
Virginia		13,088		1.1			11,491		1.0
South Carolina		11,426		1.0			9,223		0.8
Kentucky		8,403		0.7			11,930		1.1
Ohio		7,024		0.6			4,703		0.4
Tennessee		6,691		0.6			5,843		0.5
Connecticut		6,357		0.5			8,429		0.7
Massachusetts		6,016		0.5			—		—
Texas		5,691		0.5			—		—
Michigan		5,473		0.5			5,599		0.5
Utah		5,138		0.5			—		—
Arizona		5,108		0.4			—		—
West Virginia		4,454		0.4			—		—
Indiana		4,191		0.3			2,820		0.2
Illinois		3,608		0.3			—		—
Wisconsin		3,349		0.2			1,790		0.1
California		2,742		0.2			—		—
All other states		6,025		0.5			3,900		0.4
	$	1,179,437		100.0	%	$	1,131,550		100.0	%

The distribution of TDRs by accruing versus nonaccruing, by loan type and by geographic distribution follows:

($ in thousands)	At September 30, 2014		At December 31, 2013
Performing – nonaccrual status	$	19,873	$	33,184
Performing – accrual status		24,690		13,429
	$	44,563	$	46,613
Commercial real estate	$	39,939	$	41,860
Multifamily		3,104		3,128
Land		1,520		1,625
	$	44,563	$	46,613
New York	$	8,106	$	8,223
Florida		26,329		27,070
Georgia		8,608		8,695
Ohio		—		1,000
South Dakota		1,520		1,625
	$	44,563	$	46,613

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Subsequent Events

9 Months Ended

Sep. 30, 2014

Subsequent Events [Abstract]

Subsequent Events

Note 15 – Subsequent Events

On October 15, 2014, IBC’s board of directors declared a quarterly cash dividend of $0.05 per common share payable November 24, 2014 to stockholders of record at the close of business on November 14, 2014. During October 2014, sales of available for sale securities were made totaling $77 million, which increased INB’s cash on hand to approximately $90 million at October 31, 2014 for use in funding planned deposit outflow and new loans. A net loss of approximately $0.2 million was recorded on these sales.

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Contingencies

9 Months Ended

Sep. 30, 2014

Commitments and Contingencies Disclosure [Abstract]

Contingencies

Note 11 – Contingencies

We are periodically a party to or otherwise involved in legal proceedings arising in the normal course of business, such as foreclosure proceedings. Based on review and consultation with our legal counsel, we do not believe that there is any pending or threatened proceeding against us, which, if determined adversely, would have a material effect on our business, results of operations, financial position or liquidity, other than litigation discussed below related to our proposed merger with Ozarks, discussed in note 1.

Litigation Related to the Merger

On August 7, 2014, a putative class action complaint, captioned GreenTech Research LLC v. Callen, et al. (the “Greentech Action”), was filed in the Supreme Court of the State of New York for New York County, by an entity purporting to be a stockholder IBC (also referred to as Intervest). On August 19, 2014, a putative class action complaint, captioned Sonnenberg v. Intervest Bancshares Corp., et al., was filed in the Supreme Court of the State of New York for New York County, by an entity purporting to be a stockholder of Intervest. Each of the complaints alleges that the directors of Intervest breached their fiduciary duties to Intervest’s stockholders in connection with the merger by approving a transaction pursuant to an allegedly inadequate process that undervalues Intervest and includes preclusive deal protection provisions; and that Intervest and Ozarks allegedly aided and abetted the Intervest directors in breaching their duties to Intervest’s stockholders. The complaints seek court certification of the respective plaintiffs as class representatives and that such proceedings may proceed as stockholder class actions, and various remedies, including enjoining the merger from being consummated in accordance with its agreed-upon terms, rescission or an award of rescissory damages in the event that the merger is consummated, an accounting by the defendants to the plaintiff class for all damages caused by the defendants, recovery of plaintiffs’ costs and attorneys’ and experts’ fees relating to the lawsuit, and such further relief as the court deems just and proper. The individual plaintiffs and the defendants have stipulated to the court that the two actions, as well as any further actions brought in the same court, should be consolidated for further proceedings in the same court in order to minimize expense and promote a more efficient proceeding. On October 14, 2014, the plaintiff in the Greentech Action filed an amended complaint alleging, among other things, inadequacy of the disclosures contained in the proxy statement/prospectus included in the Registration Statement on Form S-4 filed by Ozarks on September 29, 2014. The defendants named in these lawsuits, including Intervest, deny the allegations in the complaints and intend to vigorously defend against these lawsuits. No liability or reserve has been recognized in our consolidated balance sheet at September 30, 2014 with respect to the above matters.

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Lines of Credit

9 Months Ended

Sep. 30, 2014

Debt Disclosure [Abstract]

Lines of Credit

Note 7 – Lines of Credit

At September 30, 2014, INB had $41 million of unsecured credit lines that were cancelable by the lender at any time. As a member of the Federal Home Loan Bank of New York (FHLB) and the Federal Reserve Bank of New York (FRB), INB can borrow from these institutions on a secured basis. At September 30, 2014, INB had available collateral consisting of investment securities and certain loans that could be pledged to support additional total borrowings of approximately $323 million from the FHLB and FRB, if needed. There were no borrowings during the reporting periods in this report.

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Deposits - Additional Information (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Assets Sold under Agreements to Repurchase [Line Items]
CDs of $100,000 or more	$ 465,000,000	$ 473,000,000
Brokered certificate deposits amount	68,000,000	91,000,000
Due within one year	269,268,000	307,122,000
Due over one to two years	158,266,000	167,323,000
Due over two to three years	213,925,000	170,956,000
Due over three to four years	73,696,000	106,700,000
Due thereafter	125,893,000	129,678,000
CDs of $100,000 or More [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Due within one year	113,000,000
Due over one to two years	85,000,000
Due over two to three years	140,000,000
Due over three to four years	47,000,000
Due thereafter	80,000,000
Brokered CDs [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Due within one year	5,000,000
Due over one to two years	8,000,000
Due over two to three years	29,000,000
Due over three to four years	14,000,000
Due thereafter	$ 12,000,000
Brokered certificates deposits weighted average rate	2.43%

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Foreclosed Real Estate and Valuation Allowance for Real Estate Losses

9 Months Ended

Sep. 30, 2014

Banking and Thrift [Abstract]

Foreclosed Real Estate and Valuation Allowance for Real Estate Losses

Note 5 – Foreclosed Real Estate and Valuation Allowance for Real Estate Losses

Real estate acquired through foreclosure by property type is summarized as follows:

	At September 30, 2014				At December 31, 2013
($ in thousands)	# of Properties		Amount (1)		# of Properties		Amount (1)
Commercial real estate		1	$	2,650		2	$	3,984
Multifamily		—		—		1		6,685
		1	$	2,650		3	$	10,669

(1) Reported net of any associated valuation allowance.

Activity in the valuation allowance for real estate losses is summarized as follows:

	Quarter Ended September 30,					Nine-Months Ended September 30,
($ in thousands)	2014		2013			2014			2013
Valuation allowance at beginning of period	$	390	$	6,044		$	2,017		$	5,339
Provision for real estate losses		—		250			—			955
Real estate chargeoffs		—		(4,171	)		(1,627	)		(4,171	)
Valuation allowance at end of period	$	390	$	2,123		$	390		$	2,123

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Deposits

9 Months Ended

Sep. 30, 2014

Banking and Thrift [Abstract]

Deposits

Note 6 – Deposits

Scheduled maturities of certificates of deposit accounts (CDs) were as follows:

	At September 30, 2014					At December 31, 2013
($ in thousands)	Amount		Wtd-Avg Stated Rate			Amount		Wtd-Avg Stated Rate
Within one year	$	269,268		1.57	%	$	307,122		1.97	%
Over one to two years		158,266		1.85			167,323		1.92
Over two to three years		213,925		1.96			170,956		1.92
Over three to four years		73,696		1.76			106,700		2.50
Over four years		125,893		2.11			129,678		2.06
	$	841,048		1.82	%	$	881,779		2.03	%

CDs of $100,000 or more totaled $465 million at September 30, 2014 and $473 million at December 31, 2013 and included brokered CDs of $68 million and $91 million, respectively. At September 30, 2014, all CDs of $100,000 or more (inclusive of brokered CDs) by remaining maturity were as follows: $113 million due within one year; $85 million due over one to two years; $140 million due over two to three years; $47 million due over three to four years; and $80 million due thereafter. At September 30, 2014, brokered CDs had a weighted-average rate of 2.43% and their remaining maturities were as follows: $5 million due within one year; $8 million due over one to two years; $29 million due over two to three years; $14 million due over three to four years and $12 million due over four years.

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Subordinated Debentures - Capital Securities

9 Months Ended

Sep. 30, 2014

Text Block [Abstract]

Subordinated Debentures - Capital Securities

Note 8 – Subordinated Debentures – Capital Securities

Capital Securities (commonly referred to as trust preferred securities) outstanding are summarized as follows:

	At September 30, 2014							At December 31, 2013
($ in thousands)	Principal		Accrued Interest Payable		Interest Rate			Principal		Accrued Interest Payable		Interest Rate
Capital Securities II – debentures due September 17, 2033	$	15,464	$	17		3.18	%	$	15,464	$	275		3.19	%
Capital Securities III – debentures due March 17, 2034		15,464		17		3.02	%		15,464		261		3.03	%
Capital Securities IV – debentures due September 20, 2034		15,464		14		2.63	%		15,464		223		2.65	%
Capital Securities V – debentures due December 15, 2036		10,310		8		1.88	%		10,310		109		1.89	%
	$	56,702	$	56				$	56,702	$	868

The securities are obligations of IBC’s wholly owned statutory business trusts, Intervest Statutory Trust II, III, IV and V, respectively. See note 9 to the financial statements included in our 2013 Annual Report on Form 10-K for additional discussion of the above securities.

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Common Stock Warrant and Equity Incentive Plans - Summary of Outstanding Common Stock Options and Warrant (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning Outstanding	1,041,445
Repurchased and cancelled	(691,882)
Forfeited/expired	(2,400)
Options exercised	(16,667)
Ending Outstanding	330,496
Vested and exercisable	97.00%
Wtd-avg contractual remaining term (in years)	4 years 4 months 24 days
Intrinsic value at September 30, 2014	$ 894
Wtd-Avg Exercise Price, Beginning Outstanding	$ 6.64
Wtd-Avg Exercise Price, Repurchased and cancelled	$ 5.42
Wtd-Avg Exercise Price, Forfeited/expired	$ 7.05
Wtd-Avg Exercise Price, Options exercised	$ 3.14
Wtd-Avg Exercise Price, Ending Outstanding	$ 9.37
Exercise Price Per Warrant/Option $5.42 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Per Warrant/Option	$ 5.42
Beginning Outstanding	691,882
Repurchased and cancelled	(691,882)
Forfeited/expired	0
Options exercised	0
Ending Outstanding	0
Vested and exercisable	0.00%
Intrinsic value at September 30, 2014	0
Exercise Price Per Warrant/Option $17.10 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Per Warrant/Option	$ 17.10
Beginning Outstanding	110,640
Repurchased and cancelled	0
Forfeited/expired	(600)
Options exercised	0
Ending Outstanding	110,040
Expiration date	Dec. 13, 2017
Vested and exercisable	100.00%
Wtd-avg contractual remaining term (in years)	3 years 2 months 12 days
Intrinsic value at September 30, 2014	0
Exercise Price Per Warrant/Option $7.50 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Per Warrant/Option	$ 7.50
Beginning Outstanding	113,990
Repurchased and cancelled	0
Forfeited/expired	(300)
Options exercised	(600)
Ending Outstanding	113,090
Expiration date	Dec. 11, 2018
Vested and exercisable	100.00%
Wtd-avg contractual remaining term (in years)	4 years 2 months 12 days
Intrinsic value at September 30, 2014	233
Exercise Price Per Warrant/Option $4.02 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Per Warrant/Option	$ 4.02
Beginning Outstanding	57,400
Repurchased and cancelled	0
Forfeited/expired	(300)
Options exercised	(2,400)
Ending Outstanding	54,700
Expiration date	Dec. 10, 2019
Vested and exercisable	100.00%
Wtd-avg contractual remaining term (in years)	5 years 2 months 12 days
Intrinsic value at September 30, 2014	303
Exercise Price Per Warrant/Option $3.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Per Warrant/Option	$ 3.00
Beginning Outstanding	32,400
Repurchased and cancelled	0
Forfeited/expired	(300)
Options exercised	(7,500)
Ending Outstanding	24,600
Expiration date	Dec. 09, 2020
Vested and exercisable	100.00%
Wtd-avg contractual remaining term (in years)	6 years 2 months 12 days
Intrinsic value at September 30, 2014	161
Exercise Price Per Warrant/Option $2.55 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Per Warrant/Option	$ 2.55
Beginning Outstanding	35,133
Repurchased and cancelled	0
Forfeited/expired	(900)
Options exercised	(6,167)
Ending Outstanding	28,066
Expiration date	Dec. 08, 2021
Vested and exercisable	67.00%
Wtd-avg contractual remaining term (in years)	7 years 2 months 12 days
Intrinsic value at September 30, 2014	$ 197

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Common Stock Warrant and Equity Incentive Plans - Summary of Selected Information Regarding Restricted Common Stock Awards made Under Plan (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date of award, Stock Grant	Jan. 23, 2014	Jan. 24, 2013
Total restricted shares of stock awarded	92,000	330,700
Grant date per share fair value	$ 7.65	$ 4.50
Total estimated fair value of award	$ 703,800	$ 1,488,150
Awards scheduled to vest as follows:
Awards scheduled to vest, Stock Grant	92,000	330,700
January 2014 [Member]
Awards scheduled to vest as follows:
Awards scheduled to vest, Stock Grant		49,566
January 2015 [Member]
Awards scheduled to vest as follows:
Awards scheduled to vest, Stock Grant	30,664	170,888
January 2016 [Member]
Awards scheduled to vest as follows:
Awards scheduled to vest, Stock Grant	30,664	110,246
January 2017 [Member]
Awards scheduled to vest as follows:
Awards scheduled to vest, Stock Grant	30,672

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Common Stock Warrant and Equity Incentive Plans - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended	3 Months Ended	9 Months Ended			3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013 Executive Officers [Member] Installment Executives	Sep. 30, 2014 Cash-Settled Stock Appreciation Rights (SARs) [Member]	Sep. 30, 2014 Cash-Settled Stock Appreciation Rights (SARs) [Member]	Sep. 30, 2014 Stock Appreciation Right [Member] Installment	Sep. 30, 2014 Stock Appreciation Right [Member] Executive Officers [Member] Executives	Sep. 30, 2014 Long Term Incentive Plan [Member]	Sep. 30, 2013 Long Term Incentive Plan [Member]	Sep. 30, 2014 Long Term Incentive Plan [Member]	Sep. 30, 2013 Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares of common stock that may be awarded										2,250,000		2,250,000
Common stock were available for award										624,703		624,703
Issuance of common stock option										0	0	0	0
Shares Awarded									78,000
Number of participants					5				5
Number of installments					2			3
Contractual term								5 years
Exercise price of option								$ 7.65
Estimated fair value per option								$ 2.28
Estimated fair value of SARs								$ 178,000
Expected dividend yield								1.75%
Expected stock volatility								45.00%
Risk-free interest rate								0.98%
Expected term in years								3 years 6 months
Stock-based compensation expense	278,000	229,000	1,052,000	731,000		19,000	45,000
Pre-tax, stock-based compensation cost related to all nonvested awards of options and restricted stock not yet recognized	1,800,000		1,800,000
Options and restricted stock not yet recognized and will be recognized over a weighted-average period			1 year 8 months 12 days
Net tax benefit	$ 11,000	$ 5,000	$ 318,000	$ 150,000

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2014

Fair Value Disclosures [Abstract]

Available-for-sale Securities Measured at Fair Value on a Recurring Basis

Available-for-sale securities at September 30, 2014 measured at fair value on a recurring basis are summarized below:

($ in thousands)	Estimated Fair Value		Level 1		Level 2
U.S. government agencies	$	224,132	$	—	$	224,132
Residential mortgage-backed		79,690		—		79,690
State and municipal		529		—		529
Mutual fund investment		996		996		—
	$	305,347	$	996	$	304,351

Assets Measured at Fair Value on a Nonrecurring Basis

The following tables provide information regarding our assets measured at fair value on a nonrecurring basis.

	Outstanding Carrying Value
	At September 30, 2014		At December 31, 2013
($ in thousands)	Level 3		Level 3
Impaired loans (1):
Commercial real estate	$	50,281	$	52,407
Multifamily		3,104		3,128
Land		1,520		1,625
Total impaired loans		54,905		57,160
Foreclosed real estate		2,650		10,669

(1) Outstanding carrying value for impaired loans excludes a specific valuation allowance. See note 4 to the financial statements in this report.

	Accumulated Losses on				Total Losses (Gains) (1)
	Outstanding Balance as of:				Quarter Ended September 30,						Nine-Months Ended September 30,
($ in thousands)	Sep 30, 2014		Dec 31, 2013		2014			2013			2014			2013
Impaired loans: Commercial real estate	$	7,416	$	11,522	$	(452	)	$	—		$	(918	)	$	823
Multifamily		591		594		—			(7	)		(17	)		(964	)
Land		156		500		(5	)		(2	)		(344	)		(23	)
Total impaired loans		8,163		12,616		(457	)		(9	)		(1,279	)		(164	)
Impaired securities		—		—		—			273			—			964
Foreclosed real estate		390		2,017		—			149			(203	)		135
	$	8,553	$	14,633	$	(457	)	$	413		$	(1,482	)	$	935

(1) Represents total losses or (gains) recognized on all assets measured at fair value on a nonrecurring basis during the period indicated. The losses or (gains) for impaired loans represent the change (before chargeoffs and recoveries) during the period in the corresponding specific valuation allowance, while the losses (gains) for foreclosed real estate represent writedowns in carrying values subsequent to foreclosure (recorded as provisions for real estate losses) adjusted for any recoveries of prior write downs and (gains) or losses from the transfer/sale of properties during the period. The losses on securities represent the total of other than temporary impairment charges, which are recorded as component of noninterest income.

Change in Assets Measured at Fair Value on a Nonrecurring Basis

The following table details changes in assets measured at fair value on a nonrecurring basis for the periods indicated.

($ in thousands)	Impaired Loans			Foreclosed Real Estate
Quarter Ended September 30, 2014
Balance at beginning of period	$	57,821		$	2,650
Principal repayments/sales		(2,916	)		—
Balance at end of period	$	54,905		$	2,650
Nine-Months Ended September 30, 2014
Balance at beginning of period	$	57,160		$	10,669
Net new impaired loans		3,466			—
Principal repayments/sales		(5,721	)		(8,222	)
Gain from sales		—			203
Balance at end of period	$	54,905		$	2,650

The following table details changes in assets measured at fair value on a nonrecurring basis for the periods indicated.

($ in thousands)	Impaired Securities			Impaired Loans			Foreclosed Real Estate
Quarter Ended September 30, 2013
Balance at beginning of period	$	2,923		$	50,533		$	14,869
Net new impaired loans		—			514			—
Other than temporary impairment write downs		(273	)		—			—
Principal repayments/sales		(46	)		(149	)		(2,701	)
Writedowns of carrying value subsequent to foreclosure		—			—			(250	)
Gains from sales		—			—			101
Balance at end of period	$	2,604		$	50,898		$	12,019
Nine-Months Ended September 30, 2013
Balance at beginning of period	$	3,721		$	65,973		$	15,923
Net new impaired loans		—			8,761			—
Impaired loans transferred to foreclosed real estate		—			(3,040	)		3,040
Other than temporary impairment write downs		(964	)		—			—
Principal repayments/sales		(153	)		(18,858	)		(6,809	)
Chargeoffs of impaired loans		—			(1,938	)		—
Writedowns of carrying value subsequent to foreclosure		—			—			(1,029	)
Recoveries of prior writedowns		—			—			74
Gains from sales		—			—			820
Balance at end of period	$	2,604		$	50,898		$	12,019

Carrying and Estimated Fair Values of Financial Instruments

The carrying and estimated fair values of our financial instruments are as follows:

	At September 30, 2014				At December 31, 2013
($ in thousands)	Carrying Value		Fair Value		Carrying Value		Fair Value
Financial Assets:
Cash and cash equivalents (1)	$	11,483	$	11,483	$	24,700	$	24,700
Time deposits with banks (1)		4,620		4,620		5,370		5,370
Securities available for sale, net (2)		305,347		305,347		965		965
Securities held to maturity, net (2)		—		—		383,937		378,507
FRB and FHLB stock (3)		7,715		7,715		8,244		8,244
Loans receivable, net (3)		1,148,635		1,161,476		1,099,689		1,100,858
Accrued interest receivable (3)		4,665		4,665		4,861		4,861
Loan fees receivable (3)		2,224		1,765		2,298		1,808
Total Financial Assets	$	1,484,689	$	1,497,071	$	1,530,064	$	1,525,313
Financial Liabilities:
Deposits (3)	$	1,214,324	$	1,229,119	$	1,282,232	$	1,294,690
Borrowed funds plus accrued interest payable (3)		56,758		56,516		57,570		57,260
Accrued interest payable on deposits (3)		850		850		1,508		1,508
Commitments to lend (3)		146		146		408		408
Total Financial Liabilities	$	1,272,078	$	1,286,631	$	1,341,718	$	1,353,866
Net Financial Assets	$	212,611	$	210,440	$	188,346	$	171,447

(1) We consider these fair value measurements to be Level 1.

(2) We consider these fair value measurements to be Level 2, except for $1.0 million at each date (which is considered Level 1).

(3) We consider these fair value measurements to be Level 3.

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Loans Receivable - Information Regarding Credit Quality of Loan Portfolio (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable by TDRs	$ 44,563	$ 46,613
Nonaccrual Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable by TDRs	22,500	35,900
Accruing Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable by TDRs	22,700	13,100
All Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable by TDRs	10,800	18,600
Pass [Member] | Accruing Loans One [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable by TDRs	$ 2,000	$ 400

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Off-Balance Sheet Financial Instruments

9 Months Ended

Sep. 30, 2014

Investments, All Other Investments [Abstract]

Off-Balance Sheet Financial Instruments

Note 13 – Off-Balance Sheet Financial Instruments

INB is party to financial instruments with off-balance sheet risk in the normal course of its business to meet the financing needs of its customers. These instruments can be in the form of commitments to extend credit, unused lines of credit and standby letters of credit, and may involve, to varying degrees, elements of credit and interest rate risk in excess of the amounts recognized in our financial statements. Our maximum exposure to credit risk is represented by the contractual amount of those instruments. Commitments to extend credit are agreements to lend funds to a customer as long as there is no violation of any condition established in the contract. Such commitments generally have fixed expiration dates or other termination clauses and normally require payment of fees to INB. Since some of the commitments are expected to expire without being drawn upon, the total commitment amount does not necessarily represent future cash requirements. We evaluate each customer’s creditworthiness on a case-by-case basis. Standby letters of credit are conditional commitments issued by INB to guarantee the performance of its customer to a third party. The credit risk involved in the underwriting of letters of credit is essentially the same as that involved in originating loans. INB had no standby letters of credit outstanding at September 30, 2014 or December 31, 2013.

The contractual amounts of off-balance sheet financial instruments are as follows:

($ in thousands)	At September 30, 2014		At December 31, 2013
Commitments to extend credit	$	23,134	$	19,386
Unused lines of credit		787		877
	$	23,921	$	20,263

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Loans Receivable (Tables)

9 Months Ended

Sep. 30, 2014

Receivables [Abstract]

Major Classifications of Loans Receivable

Major classifications of loans receivable are summarized as follows:

	At September 30, 2014					At December 31, 2013
($ in thousands)	# of Loans		Amount			# of Loans		Amount
Loans Secured By Real Estate:
Commercial loans		426	$	908,697			394	$	838,766
Multifamily loans		137		200,251			138		210,270
One to four family loans		17		59,472			20		72,064
Land loans		6		9,875			5		9,178
		586		1,178,295			557		1,130,278
All Other Loans:
Business loans		18		1,004			19		1,061
Consumer loans		7		138			12		211
		25		1,142			31		1,272
Loans receivable, gross		611		1,179,437			588		1,131,550
Deferred loan fees				(4,168	)				(4,028	)
Loans receivable, net of deferred fees				1,175,269					1,127,522
Allowance for loan losses				(26,634	)				(27,833	)
Loans receivable, net			$	1,148,635				$	1,099,689

Summary of Impaired Loans

The tables below summarize certain information regarding our impaired loans as follows:

($ in thousands)	Recorded Investment by State (1)																Specific Valuation Allowance (2)		Total Unpaid Principal (3)		# of Loans
At September 30, 2014 Type	NY		FL		VA		GA		CT		OH		SD		Total
Retail	$	8,106	$	9,005	$	7,677	$	—	$	2,665	$	—	$	—	$	27,453	$	2,456	$	31,150		6
Office Building		—		14,220		—		8,608		—		—		—		22,828		1,913		22,915		3
Multifamily		—		3,104		—		—		—		—		—		3,104		590		3,104		2
Land		—		—		—		—		—		—		1,520		1,520		156		1,520		1
Totals	$	8,106	$	26,329	$	7,677	$	8,608	$	2,665	$	—	$	1,520	$	54,905	$	5,115	$	58,689		12
($ in thousands)	Recorded Investment by State (1)																Specific Valuation Allowance (2)		Total Unpaid Principal (3)		# of Loans
At December 31, 2013 Type	NY		FL		VA		GA		CT		OH		SD		Total
Retail	$	8,223	$	9,005	$	7,828	$	—	$	2,719	$	1,000	$	—	$	28,775	$	3,052	$	36,216		7
Office Building		—		14,937		—		8,695		—		—		—		23,632		1,947		23,632		3
Multifamily		—		3,128		—		—		—		—		—		3,128		594		3,128		2
Land		—		—		—		—		—		—		1,625		1,625		500		1,625		1
Totals	$	8,223	$	27,070	$	7,828	$	8,695	$	2,719	$	1,000	$	1,625	$	57,160	$	6,093	$	64,601		13

(1) Represents unpaid principal less partial principal charge offs and interest received and applied as a reduction of principal in certain cases.

(2) Represents a specific valuation allowance against the recorded investment, which is included as part of our overall allowance for loan losses. All impaired loans at the dates indicated in the table had a specific valuation allowance.

(3) Represents contractual unpaid principal balance (shown for informational purposes only). The borrowers are obligated to pay such amounts. However, the ultimate collection by us of such amounts is not assured.

Other Information Related to Impaired Loans

Other information related to our impaired loans is summarized as follows:

	Quarter Ended September 30,				Nine-Months Ended September 30,
($ in thousands)	2014		2013		2014		2013
Average recorded investment in nonaccrual loans	$	21,551	$	39,159	$	30,784	$	41,039
Total cash basis interest income recognized on nonaccrual loans		304		521		1,281		1,729
Average recorded investment in accruing TDR loans		26,451		11,423		18,864		14,482
Total interest income recognized on accruing TDR loans under modified terms		226		152		626		581

Age Analysis of Loan Portfolio by Segment

Age analysis of our loan portfolio by segment at September 30, 2014 is summarized as follows:

($ in thousands)	Total Portfolio		Current		Past Due 31-59 Days		Past Due 60-89 Days		Past Due 90 or more Days		Total Past Due
Accruing Loans:
Commercial real estate	$	888,420	$	886,078	$	—	$	378	$	1,963	$	2,341
Multifamily		197,990		192,635		—		3,353		2,002		5,355
One to four family		59,472		59,472		—		—		—		—
Land		9,875		9,875		—		—		—		—
All other		1,142		1,142		—		—		—		—
Total accruing loans		1,156,899		1,149,202		—		3,731		3,965		7,696
Nonaccrual Loans (1):
Commercial real estate		20,277		13,292		—		4,320		2,665		6,985
Multifamily		2,261		2,261		—		—		—
Total nonaccrual loans		22,538		15,553		—		4,320		2,665		6,985
Total loans	$	1,179,437	$	1,164,755	$	—	$	8,051	$	6,630	$	14,681

(1) The amount of nonaccrual loans in the current column included $19.9 million of TDRs for which payments were being made in accordance with their restructured terms, but the loans were maintained on nonaccrual status in accordance with regulatory guidance. The remaining portion was comprised of one performing and paying loan classified nonaccrual due to concerns regarding the borrower’s ability to continue making payments. Interest income from loan payments received on loans in nonaccrual status is recognized on a cash basis, provided the remaining principal balance is deemed collectible.

Age analysis of our loan portfolio by segment at December 31, 2013 is summarized as follows:

($ in thousands)	Total Portfolio		Current		Past Due 31-59 Days		Past Due 60-89 Days		Past Due 90 or more Days		Total Past Due
Accruing Loans:
Commercial real estate	$	802,863	$	796,980	$	1,796	$	—	$	4,087	$	5,883
Multifamily		210,270		209,426		844		—		—		844
One to four family		72,064		72,064		—		—		—		—
Land		9,178		9,178		—		—		—		—
All other		1,272		1,271		1		—		—		1
Total accruing loans		1,095,647		1,088,919		2,641		—		4,087		6,728
Nonaccrual Loans (1):
Commercial real estate		35,903		35,903		—		—		—		—
Total loans	$	1,131,550	$	1,124,822	$	2,641	$	—	$	4,087	$	6,728

(1) The amount of nonaccrual loans in the current column included $33.2 million of TDRs for which payments were being made in accordance with their restructured terms, but the loans were maintained on nonaccrual status in accordance with regulatory guidance. The remaining portion was comprised of certain paying loans classified nonaccrual due to concerns regarding the borrowers’ ability to continue making payments. Interest income from loan payments received on loans in nonaccrual status is recognized on a cash basis, provided the remaining principal balance is deemed collectible.

Information Regarding Credit Quality of Loan Portfolio

Information regarding the credit quality of the loan portfolio based on our internally assigned grades follows:

($ in thousands)	Pass		Special Mention		Substandard (1)		Total
At September 30, 2014
Commercial real estate	$	853,979	$	2,236	$	52,482	$	908,697
Multifamily		194,334		2,357		3,560		200,251
One to four family		59,472		—		—		59,472
Land		9,875		—		—		9,875
All other		1,142		—		—		1,142
Total loans	$	1,118,802	$	4,593	$	56,042	$	1,179,437
Allocation of allowance for loan losses	$	21,530	$	141	$	4,963	$	26,634
At December 31, 2013
Commercial real estate	$	772,900	$	3,522	$	62,344	$	838,766
Multifamily		204,298		2,369		3,603		210,270
One to four family		72,064		—		—		72,064
Land		7,553		—		1,625		9,178
All other		1,272		—		—		1,272
Total loans	$	1,058,087	$	5,891	$	67,572	$	1,131,550
Allocation of allowance for loan losses	$	20,720	$	169	$	6,944	$	27,833

(1) Substandard loans consisted of $22.5 million of nonaccrual loans, $22.7 million of accruing TDRs and $10.8 million of other performing loans at September 30, 2014, compared to $35.9 million, $13.1 million and $18.6 million in the same categories, respectively, at December 31, 2013. At September 30, 2014 and December 31, 2013, we also had accruing TDRs of $2.0 million and $0.4 million, respectively, which were rated pass.

Geographic Distribution of Loan Portfolio

The geographic distribution of the loan portfolio by state follows:

($ in thousands)	At September 30, 2014					At December 31, 2013
	Amount		% of Total			Amount		% of Total
New York	$	648,271		55.0	%	$	670,052		59.3	%
Florida		346,757		29.4			321,812		28.4
North Carolina		28,390		2.4			22,611		2.0
Georgia		24,249		2.1			18,799		1.7
New Jersey		13,832		1.2			15,650		1.4
Pennsylvania		13,154		1.1			16,898		1.5
Virginia		13,088		1.1			11,491		1.0
South Carolina		11,426		1.0			9,223		0.8
Kentucky		8,403		0.7			11,930		1.1
Ohio		7,024		0.6			4,703		0.4
Tennessee		6,691		0.6			5,843		0.5
Connecticut		6,357		0.5			8,429		0.7
Massachusetts		6,016		0.5			—		—
Texas		5,691		0.5			—		—
Michigan		5,473		0.5			5,599		0.5
Utah		5,138		0.5			—		—
Arizona		5,108		0.4			—		—
West Virginia		4,454		0.4			—		—
Indiana		4,191		0.3			2,820		0.2
Illinois		3,608		0.3			—		—
Wisconsin		3,349		0.2			1,790		0.1
California		2,742		0.2			—		—
All other states		6,025		0.5			3,900		0.4
	$	1,179,437		100.0	%	$	1,131,550		100.0	%

Distribution of TDRs by Accruing Versus Nonaccruing, by Segment and by Geographic

The distribution of TDRs by accruing versus nonaccruing, by loan type and by geographic distribution follows:

($ in thousands)	At September 30, 2014		At December 31, 2013
Performing – nonaccrual status	$	19,873	$	33,184
Performing – accrual status		24,690		13,429
	$	44,563	$	46,613
Commercial real estate	$	39,939	$	41,860
Multifamily		3,104		3,128
Land		1,520		1,625
	$	44,563	$	46,613
New York	$	8,106	$	8,223
Florida		26,329		27,070
Georgia		8,608		8,695
Ohio		—		1,000
South Dakota		1,520		1,625
	$	44,563	$	46,613

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Loans Receivable - Age Analysis of Loan Portfolio by Segment (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014 SecurityLoan	Dec. 31, 2013 SecurityLoan
Mortgage Loans on Real Estate [Line Items]
Current	$ 1,164,755	$ 1,124,822
Performing loans	1	1
Nonaccrual Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Current	$ 19,900	$ 33,200
Performing loans	1

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Securities Held to Maturity and Available for Sale - Estimated Fair Values of Debt Securities (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014 Security	Dec. 31, 2013 Security
Schedule of Available-for-sale Securities [Line Items]
Number of Securities	149	172
Less Than Twelve Months, Estimated Fair Value	$ 64,900	$ 283,317
Less Than Twelve Months, Gross Unrealized Losses	218	5,784
Twelve Months or Longer, Estimated Fair Value	178,715	10,628
Twelve Months or Longer, Gross Unrealized Losses	2,373	186
Total Estimated Fair Value	243,615	293,945
Total Gross Unrealized Losses	2,591	5,970
U.S. government agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of Securities	115	130
Less Than Twelve Months, Estimated Fair Value	49,161	233,930
Less Than Twelve Months, Gross Unrealized Losses	139	4,791
Twelve Months or Longer, Estimated Fair Value	158,382	7,344
Twelve Months or Longer, Gross Unrealized Losses	2,105	156
Total Estimated Fair Value	207,543	241,274
Total Gross Unrealized Losses	2,244	4,947
Residential mortgage-backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of Securities	33	41
Less Than Twelve Months, Estimated Fair Value	15,210	48,862
Less Than Twelve Months, Gross Unrealized Losses	78	987
Twelve Months or Longer, Estimated Fair Value	20,333	3,284
Twelve Months or Longer, Gross Unrealized Losses	268	30
Total Estimated Fair Value	35,543	52,146
Total Gross Unrealized Losses	346	1,017
State and municipal [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of Securities	1	1
Less Than Twelve Months, Estimated Fair Value	529	525
Less Than Twelve Months, Gross Unrealized Losses	1	6
Total Estimated Fair Value	529	525
Total Gross Unrealized Losses	$ 1	$ 6

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Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net earnings	$ 4,180	$ 2,857	$ 13,760	$ 10,287
Securities available for sale:
Net unrealized loss arising from transfer from held-to maturity	(2,201)		(2,201)
Net unrealized holding gain arising during the period	343		360
Reclassification for net gain on sales included in net income	(196)		(196)
Net unrealized loss on securities available for sale	(2,054)		(2,037)
Benefit for income taxes related to net unrealized loss	888		881
Other comprehensive loss, net of tax	(1,166)		(1,156)
Total comprehensive income	$ 3,014	$ 2,857	$ 12,604	$ 10,287

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Securities Held to Maturity and Available for Sale

9 Months Ended

Sep. 30, 2014

Investments, Debt and Equity Securities [Abstract]

Securities Held to Maturity and Available for Sale

Note 2 – Securities Held to Maturity and Available for Sale

During the quarter ended September 30, 2014, INB’s entire portfolio of securities held to maturity (with a then carrying value of $351.6 million and estimated fair value of $349.4 million) was transferred to the available-for-sale category in order to provide additional flexibility in executing INB’s asset and liability management strategies. At September 30, 2014, we had no securities classified as held to maturity. Due to this transfer, INB cannot classify its securities as held-to-maturity until after September 2016.

The carrying value (estimated fair value) and amortized cost of securities available for sale are as follows as of the dates indicated:

($ in thousands)	Number of Securities		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Wtd-Avg Yield			Wtd-Avg Expected Life		Wtd-Avg Remaining Maturity
At September 30, 2014
U.S. government agencies (1)		125	$	226,361	$	15	$	2,244	$	224,132		1.00	%		2.9 Yrs		3.5 Yrs
Residential mortgage-backed (2)		70		79,512		524		346		79,690		1.90	%		4.5 Yrs		13.1 Yrs
State and municipal		1		530		—		1		529		1.25	%		2.5 Yrs		2.5 Yrs
		196		306,403		539		2,591		304,351		1.23	%		3.3 Yrs		6.0 Yrs
Mutual fund investment (3)		1		1,038		—		42		996
		197	$	307,441	$	539	$	2,633	$	305,347
At December 31, 2013
Mutual fund investment (3)		1	$	1,021		—	$	56	$	965

The carrying value (amortized cost) and estimated fair value of securities held to maturity are as follows:

($ in thousands)	Number of Securities		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Wtd-Avg Yield			Wtd-Avg Expected Life		Wtd-Avg Remaining Maturity
At December 31, 2013
U.S. government agencies (1)		161	$	305,906	$	410	$	4,947	$	301,369		0.94	%		3.0 Yrs		3.8 Yrs
Residential mortgage-backed (2)		57		77,500		130		1,017		76,613		1.79	%		4.3 Yrs		14.7 Yrs
State and municipal		1		531		—		6		525		1.25	%		3.2 Yrs		3.3 Yrs
		219	$	383,937	$	540	$	5,970	$	378,507		1.11	%		3.3 Yrs		6.0 Yrs

(1) Consist of debt obligations of U.S. government sponsored agencies (GSEs) – Federal Home Loan Bank (FHLB), Federal Farm Credit Bank (FFCB), Federal National Mortgage Association (FNMA) and Federal Home Loan Mortgage Corporation (FHLMC), which are federally chartered corporations privately owned by shareholders. GSE securities carry no explicit U.S. government guarantee of creditworthiness. Neither principal nor interest payments are guaranteed by the U.S. government nor do they constitute a debt or obligation of the U.S. government or any of its agencies or instrumentalities other than the applicable GSE. FNMA and FHLMC are under U.S. government conservatorship.

(2) At September 30, 2014, the portfolio consisted of $11.2 million of Government National Mortgage Association (GNMA) residential pass-through certificates and $68.5 million of residential participation certificates issued by FNMA or FHLMC, compared to $13.6 million and $63.9 million, respectively, at December 31, 2013. The GNMA pass-through certificates are guaranteed as to the payment of principal and interest by the full faith and credit of the U.S. government while the FNMA and FHLMC certificates have an implied guarantee by such agency as to principal and interest payments. Included in this line item are investments in FNMA Delegated Underwriting and Servicing (DUS) mortgage-backed securities (of approximately $16 million at September 30, 2014 and $7.0 million at December 31, 2013) that are backed by eligible multifamily pools that typically contain one loan or single purpose entity.

(3) The investment represented approximately 93,342 shares at September 30, 2014 and 91,683 shares at December 31, 2013, of an intermediate bond fund that holds securities that are deemed to be qualified under the Community Reinvestment Act.

The estimated fair values of debt securities with gross unrealized losses segregated between securities that have been in a continuous unrealized loss position for less than twelve months at the respective dates and those that have been in a continuous unrealized loss position for twelve months or longer are summarized as follows:

($ in thousands)			Less Than Twelve Months				Twelve Months or Longer				Total
	Number of Securities		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses
At September 30, 2014
U.S. government agencies		115	$	49,161	$	139	$	158,382	$	2,105	$	207,543	$	2,244
Residential mortgage-backed		33		15,210		78		20,333		268		35,543		346
State and municipal		1		529		1		—		—		529		1
		149	$	64,900	$	218	$	178,715	$	2,373	$	243,615	$	2,591
At December 31, 2013
U.S. government agencies		130	$	233,930	$	4,791	$	7,344	$	156	$	241,274	$	4,947
Residential mortgage-backed		41		48,862		987		3,284		30		52,146		1,017
State and municipal		1		525		6		—		—		525		6
		172	$	283,317	$	5,784	$	10,628	$	186	$	293,945	$	5,970

All of our investments in debt securities were investment grade rated. The securities had either fixed interest rates or had predetermined scheduled interest rate increases and nearly all had call or prepayment features that allow the issuer to repay all or a portion of the security at par before its stated maturity without penalty. In general, as interest rates rise, the estimated fair value of fixed-rate securities will decrease; as interest rates fall, their value will increase. We generally view changes in fair value caused by changes in interest rates as temporary, which is consistent with our experience. The estimated fair values of securities disclosed in this footnote were obtained from a third-party pricing service that used Level 2 inputs for debt securities and Level 1 inputs for equity securities.

The following table is a summary of our investments in debt securities at September 30, 2014, by remaining period to contractual maturity (ignoring earlier call dates, if any). The amounts reported in the table also did not consider the effects of possible prepayments or unscheduled repayments. Accordingly, actual maturities may differ from contractual maturities shown in the table.

($ in thousands)	Amortized Cost		Estimated Fair Value		Wtd-Avg Yield
Due in one year or less	$	—	$	—		—	%
Due after one year through five years		215,795		213,891		0.99
Due after five years through ten years		42,390		42,053		1.68
Due after ten years		48,218		48,407		1.94
	$	306,403	$	304,351		1.23	%

The table below provides a cumulative roll forward of credit losses recognized on securities held to maturity for the periods indicated.

	Quarter Ended September 30,				Nine-Months Ended September 30,
($ in thousands)	2014		2013		2014		2013
Balance at beginning of period	$	—	$	4,924	$	—	$	4,233
Additional credit losses on debt securities for which OTTI was previously recognized		—		273		—		964
Balance at end of period	$	—	$	5,197	$	—	$	5,197

During the quarter ended September 30, 2014, proceeds from sales of securities available for sale totaled $37.4 million, resulting in a net realized gain totaling $0.2 million. See note 15 for additional information on sales.

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Foreclosed Real Estate and Valuation Allowance for Real Estate Losses - Summary of Activity in the Valuation Allowance for Real Estate Losses (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Real Estate [Abstract]
Valuation allowance at beginning of period	$ 390	$ 6,044	$ 2,017	$ 5,339
Provision for real estate losses		250		955
Real estate chargeoffs		(4,171)	(1,627)	(4,171)
Valuation allowance at end of period	$ 390	$ 2,123	$ 390	$ 2,123

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Fair Value Measurements - Carrying and Estimated Fair Values of Financial Instruments (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2014 Fair Value Measurement, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities held to maturity, net	$ 378,507	$ 1,000

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Common Stock Warrant and Equity Incentive Plans - Summary of Activity in IBCs Restricted Class A Common Stock (Parenthetical) (Detail) (Restricted Common Stock [Member], USD $)	9 Months Ended
	Sep. 30, 2014
Price Per Share $2.90 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Per Warrant/Option	$ 2.90
Price Per Share $4.50 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Per Warrant/Option	$ 4.50
Price Per Share $7.21 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Per Warrant/Option	$ 7.21
Price Per Share $7.65 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Per Warrant/Option	$ 7.65
January 19, 2015 [Member] | Price Per Share $2.90 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Restricted common stock will vest on date 1	56,782
January 19, 2015 [Member] | Price Per Share $7.21 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Restricted common stock will vest on date 1	14,584
January 24, 2015 [Member] | Price Per Share $4.50 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Restricted common stock will vest on date 1	137,264
January 24, 2015 [Member] | Price Per Share $7.21 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Restricted common stock will vest on date 2	30,333
January 24, 2016 [Member] | Price Per Share $4.50 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Restricted common stock will vest on date 2	91,772
January 24, 2016 [Member] | Price Per Share $7.21 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Restricted common stock will vest on date 3	15,166
January 23, 2015 [Member] | Price Per Share $7.65 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Restricted common stock will vest on date 1	30,664
January 23, 2016 [Member] | Price Per Share $7.65 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Restricted common stock will vest on date 2	30,664
January 23, 2017 [Member] | Price Per Share $7.65 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Restricted common stock will vest on date 3	30,672

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Allowance for Loan Losses (Tables)

9 Months Ended

Sep. 30, 2014

Text Block [Abstract]

Allowance for Loan Losses by Loan Type

Activity in the allowance for loan losses by loan type for the periods indicated is as follows:

($ in thousands)	Commercial Real Estate			Multifamily			One to Four Family			Land			All Other			Total
Quarter Ended September 30, 2014
Balance at beginning of period	$	18,381		$	4,964		$	2,358		$	887		$	8		$	26,598
Loan chargeoffs		—			—			—			—			—			—
Loan recoveries		36			—			—			—			—			36
Provision (credit) for loan losses		17			(139	)		(28	)		150			—			—
Balance at end of period	$	18,434		$	4,825		$	2,330		$	1,037		$	8		$	26,634
Nine-Months Ended September 30, 2014
Balance at beginning of period	$	18,403		$	5,097		$	3,017		$	1,308		$	8		$	27,833
Loan chargeoffs		—			—			—			—			—			—
Loan recoveries		287			14			—			—			—			301
Credit for loan losses		(256	)		(286	)		(687	)		(271	)		—			(1,500	)
Balance at end of period	$	18,434		$	4,825		$	2,330		$	1,037		$	8		$	26,634
($ in thousands)	Commercial Real Estate			Multifamily			One to Four Family			Land			All Other			Total
Quarter Ended September 30, 2013
Balance at beginning of period	$	17,596		$	5,098		$	2,795		$	956		$	10		$	26,455
Loan chargeoffs		—			—			—			—			—			—
Loan recoveries		67			5			—			—			—			72
Provision (credit) for loan losses		(175	)		212			229			(15	)		(1	)		250
Balance at end of period	$	17,488		$	5,315		$	3,024		$	941		$	9		$	26,777
Nine-Months Ended September 30, 2013
Balance at beginning of period	$	19,051		$	6,881		$	1,120		$	1,043		$	8		$	28,103
Loan chargeoffs		(1,932	)		(6	)		—			—			—			(1,938	)
Loan recoveries (1)		947			682			—			483			—			2,112
Provision (credit) for loan losses		(578	)		(2,242	)		1,904			(585	)		1			(1,500	)
Balance at end of period	$	17,488		$	5,315		$	3,024		$	941		$	9		$	26,777

(1) In the first and second quarters of 2013, INB entered into settlement agreements with respect to certain litigation INB had pursued in connection with foreclosure actions it had commenced in 2010 on several of its loans. INB commenced the actions to collect, in one case, insurance proceeds, which it contended had been improperly paid to various third parties, and in another case, damages due to alleged legal malpractice when the loan was originated. As a result of these settlements, INB received net proceeds totaling $2.7 million and $0.1 million in the first and second quarter of 2013, respectively, which was recorded as $1.2 million of recoveries of prior loan charge offs and $1.6 million of recoveries of prior real estate expenses associated with two loans and underlying collateral property.

Loans Receivable by Segment and Impairment Evaluation and Allowance for Loan Losses

The following table sets forth the balances of our loans receivable by segment and impairment evaluation and the allowance for loan losses associated with such loans at September 30, 2014.

($ in thousands)	Commercial Real Estate		Multifamily		One to Four Family		Land		All Other		Total
Loans:
Individually evaluated for impairment	$	50,281	$	3,104	$	—	$	1,520	$	—	$	54,905
Collectively evaluated for impairment		858,416		197,147		59,472		8,355		1,142		1,124,532
Total loans	$	908,697	$	200,251	$	59,472	$	9,875	$	1,142	$	1,179,437
Allowance for loan losses:
Individually evaluated for impairment	$	4,369	$	590	$	—	$	156	$	—	$	5,115
Collectively evaluated for impairment		14,066		4,234		2,330		881		8		21,519
Total allowance for loan losses	$	18,435	$	4,824	$	2,330	$	1,037	$	8	$	26,634

The following table sets forth the balances of our loans receivable by segment and impairment evaluation and the allowance for loan losses associated with such loans at December 31, 2013.

($ in thousands)	Commercial Real Estate		Multifamily		One to Four Family		Land		All Other		Total
Loans:
Individually evaluated for impairment	$	52,407	$	3,128	$	—	$	1,625	$	—	$	57,160
Collectively evaluated for impairment		786,359		207,142		72,064		7,553		1,272		1,074,390
Total loans	$	838,766	$	210,270	$	72,064	$	9,178	$	1,272	$	1,131,550
Allowance for loan losses:
Individually evaluated for impairment	$	4,999	$	594	$	—	$	500	$	—	$	6,093
Collectively evaluated for impairment		13,404		4,503		3,017		808		8		21,740
Total allowance for loan losses	$	18,403	$	5,097	$	3,017	$	1,308	$	8	$	27,833

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Regulatory Matters and Regulatory Capital - Additional Information (Detail)	Sep. 30, 2014
Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items]
Tier 1 capital ratio	20.84%
Tier 1 Total capital ratios	22.10%
Leverage capital ratio	16.92%
INB [Member]
Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items]
Tier 1 capital ratio	16.44%
Tier 1 Total capital ratios	20.22%
Leverage capital ratio	21.48%

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Securities Held to Maturity and Available for Sale - Carrying Value (Amortized Cost) and Estimated Fair Value of Securities Held to Maturity (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 Security	Sep. 30, 2014 Securities
Schedule of Held-to-maturity Securities [Line Items]
Number of Securities, Held to maturity	219	0
Amortized Cost, Held to maturity	$ 383,937
Gross Unrealized Gains, Held to maturity	540
Gross Unrealized Losses, Held to maturity	5,970
Estimated Fair Value, Held to maturity	378,507
Wtd-Avg Yield, Held to maturity	1.11%
Wtd-Avg Expected Life, Held to maturity	3 years 3 months 18 days
Wtd-Avg Remaining Maturity, Held to maturity	6 years
U.S. government agencies [Member]
Schedule of Held-to-maturity Securities [Line Items]
Number of Securities, Held to maturity	161
Amortized Cost, Held to maturity	305,906
Gross Unrealized Gains, Held to maturity	410
Gross Unrealized Losses, Held to maturity	4,947
Estimated Fair Value, Held to maturity	301,369
Wtd-Avg Yield, Held to maturity	0.94%
Wtd-Avg Expected Life, Held to maturity	3 years
Wtd-Avg Remaining Maturity, Held to maturity	3 years 9 months 18 days
Residential mortgage-backed [Member]
Schedule of Held-to-maturity Securities [Line Items]
Number of Securities, Held to maturity	57
Amortized Cost, Held to maturity	77,500
Gross Unrealized Gains, Held to maturity	130
Gross Unrealized Losses, Held to maturity	1,017
Estimated Fair Value, Held to maturity	76,613
Wtd-Avg Yield, Held to maturity	1.79%
Wtd-Avg Expected Life, Held to maturity	4 years 3 months 18 days
Wtd-Avg Remaining Maturity, Held to maturity	14 years 8 months 12 days
State and municipal [Member]
Schedule of Held-to-maturity Securities [Line Items]
Number of Securities, Held to maturity	1
Amortized Cost, Held to maturity	531
Gross Unrealized Losses, Held to maturity	6
Estimated Fair Value, Held to maturity	$ 525
Wtd-Avg Yield, Held to maturity	1.25%
Wtd-Avg Expected Life, Held to maturity	3 years 2 months 12 days
Wtd-Avg Remaining Maturity, Held to maturity	3 years 3 months 18 days

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Regulatory Matters and Regulatory Capital

9 Months Ended

Sep. 30, 2014

Banking and Thrift [Abstract]

Regulatory Matters and Regulatory Capital

Note 12 – Regulatory Matters and Regulatory Capital

On March 7, 2014, IBC received notification from the Federal Reserve Bank of New York (the “FRB”) that the written agreement between IBC and the FRB that had been in effect since January 14, 2011 was terminated. As a result, IBC is no longer subject to any regulatory agreement or related restrictions that were described in our 2013 10-K. At September 30, 2014, IBC’s consolidated Tier 1 capital and total capital ratios were 20.84% and 22.10%, respectively, and its leverage capital ratio was 16.92%. At September 30, 2014, INB’s leverage capital ratio, Tier 1 capital and total capital ratios were 16.44%, 20.22% and 21.48%, respectively. At September 30, 2014, we believe that IBC and INB met all regulatory capital adequacy requirements to which they were subject. As of the date of filing of this report, we are not aware of any conditions or events that would have changed the status of such compliance with those requirements at September 30, 2014.