10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 10-Q

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2015

Commission file number 0-23695

Brookline Bancorp, Inc.

(Exact name of registrant as specified in its charter)

Delaware	04-3402944
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
131 Clarendon Street, Boston, MA	02116
(Address of principal executive offices)	(Zip Code)

(617) 425-4600

(Registrant’s telephone number, including area code)

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 preceding 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  o

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 (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).  YES  x  NO  o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company.

Large accelerated filer xAccelerated filer oNon-accelerated filer o Smaller Reporting Company o

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

At May 11, 2015, the number of shares of common stock, par value $0.01 per share, outstanding was 70,049,670.

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

FORM 10-Q

Index

		Page
Part I	Financial Information
Item 1.	Unaudited Consolidated Financial Statements
	Unaudited Consolidated Balance Sheets at March 31, 2015 and December 31, 2014	1
	Unaudited Consolidated Statements of Income for the Three Months Ended March 31, 2015 and 2014	2
	Unaudited Consolidated Statements of Comprehensive Income for the Three Months Ended March 31, 2015 and 2014	3
	Unaudited Consolidated Statements of Changes in Equity for the Three Months Ended March 31, 2015 and 2014	4
	Unaudited Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2015 and 2014	6
	Notes to Unaudited Consolidated Financial Statements	8
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	49
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	80
Item 4.	Controls and Procedures	82
Part II	Other Information
Item 1.	Legal Proceedings	83
Item 1A.	Risk Factors	83
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	83
Item 3.	Defaults Upon Senior Securities	83
Item 4.	Mine Safety Disclosures	83
Item 5.	Other Information	83
Item 6.	Exhibits	84
	Signatures	85

PART I — FINANCIAL INFORMATION

Item 1. Unaudited Consolidated Financial Statements

BROOKLINE BANCORP, INC. AND SUBSIDIARIES Unaudited Consolidated Balance Sheets
	At March 31, 2015			At December 31, 2014
ASSETS	(In Thousands Except Share Data)
Cash and due from banks	$	35,118		$	36,893
Short-term investments	162,003			25,830
Total cash and cash equivalents	197,121			62,723
Investment securities available-for-sale	565,115			550,761
Investment securities held-to-maturity (fair value of $500)	500			500
Total investment securities	565,615			551,261
Loans and leases held-for-sale	787			1,537
Loans and leases:
Commercial real estate loans	2,500,887			2,467,801
Commercial loans and leases	1,227,352			1,167,094
Indirect automobile loans	23,335			316,987
Consumer loans	883,020			870,725
Total loans and leases	4,634,594			4,822,607
Allowance for loan and lease losses	(55,106		)	(53,659		)
Net loans and leases	4,579,488			4,768,948
Restricted equity securities	74,804			74,804
Premises and equipment, net of accumulated depreciation of $46,460 and $44,668, respectively	79,252			80,619
Deferred tax asset	25,834			27,687
Goodwill	137,890			137,890
Identified intangible assets, net of accumulated amortization of $26,976 and $26,238, respectively	12,806			13,544
Other real estate owned ("OREO") and repossessed assets, net	2,023			1,456
Other assets*	79,526			80,479
Total assets*	$	5,755,146		$	5,800,948
LIABILITIES AND EQUITY
Deposits:
Non-interest-bearing deposits:
Demand checking accounts	$	729,932		$	726,118
Interest-bearing deposits:
NOW accounts	237,200			235,063
Savings accounts	571,030			531,727
Money market accounts	1,525,053			1,518,490
Certificate of deposit accounts	1,051,580			946,708
Total interest-bearing deposits	3,384,863			3,231,988
Total deposits	4,114,795			3,958,106
Borrowed funds:
Advances from the Federal Home Loan Bank of Boston ("FHLBB")	806,491			1,004,026
Subordinated debentures and notes	82,806			82,763
Other borrowed funds	35,628			39,615
Total borrowed funds	924,925			1,126,404
Mortgagors’ escrow accounts	8,414			8,501
Accrued expenses and other liabilities	51,046			61,332
Total liabilities	5,099,180			5,154,343
Commitments and contingencies (Note 13)
Stockholders' Equity:
Brookline Bancorp, Inc. stockholders’ equity:
Common stock, $0.01 par value; 200,000,000 shares authorized; 75,744,445 shares issued	757			757
Additional paid-in capital	617,845			617,475
Retained earnings, partially restricted*	90,589			84,860
Accumulated other comprehensive income (loss)	1,747			(1,622		)
Treasury stock, at cost; 5,042,238 shares and 5,040,571 shares, respectively	(58,301		)	(58,282		)
Unallocated common stock held by the Employee Stock Ownership Plan ("ESOP"); 241,803 shares and 251,382 shares, respectively	(1,318		)	(1,370		)
Total Brookline Bancorp, Inc. stockholders’ equity*	651,319			641,818
Noncontrolling interest in subsidiary	4,647			4,787
Total stockholders' equity*	655,966			646,605
Total liabilities and stockholders' equity*	$	5,755,146		$	5,800,948
(*) Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

See accompanying notes to the unaudited consolidated financial statements.

1

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Unaudited Consolidated Statements of Income

	Three Months Ended March 31,
	2015		2014
	(In Thousands Except Share Data)
Interest and dividend income:
Loans and leases	$	53,381	$	51,942
Debt securities	2,683		2,259
Marketable and restricted equity securities	524		449
Short-term investments	21		44
Total interest and dividend income	56,609		54,694
Interest expense:
Deposits	4,304		4,291
Borrowed funds	3,777		2,669
Total interest expense	8,081		6,960
Net interest income	48,528		47,734
Provision for credit losses	2,263		2,443
Net interest income after provision for credit losses	46,265		45,291
Non-interest income:
Deposit fees	2,066		1,959
Loan fees	342		434
Gain on sales of loans and leases held-for-sale	869		602
Gain on sale/disposals of premises and equipment, net	—		1,510
Other	1,193		1,123
Total non-interest income*	4,470		5,628
Non-interest expense:
Compensation and employee benefits	17,524		18,032
Occupancy	3,472		4,405
Equipment and data processing	4,020		4,377
Professional services	1,094		1,727
FDIC insurance	867		860
Advertising and marketing	748		665
Amortization of identified intangible assets	738		861
Other*	2,863		2,649
Total non-interest expense*	31,326		33,576
Income before provision for income taxes*	19,409		17,343
Provision for income taxes*	7,104		6,379
Net income before noncontrolling interest in subsidiary*	12,305		10,964
Less net income attributable to noncontrolling interest in subsidiary	602		422
Net income attributable to Brookline Bancorp, Inc.*	$	11,703	$	10,542
Earnings per common share:
Basic*	$	0.17	$	0.15
Diluted*	0.17		0.15
Weighted average common shares outstanding during the period:
Basic	70,036,090		69,875,473
Diluted	70,164,105		69,983,999
Dividends declared per common share	$	0.085	$	0.085
(*) Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

See accompanying notes to the unaudited consolidated financial statements.

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BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Unaudited Consolidated Statements of Comprehensive Income

	Three Months Ended March 31,
	2015			2014
	(In Thousands)
Net income before noncontrolling interest in subsidiary*	$	12,305		$	10,964
Other comprehensive income, net of taxes:
Investment securities available-for-sale:
Unrealized securities holding gains	5,371			3,293
Income tax expense	(2,002		)	(1,262		)
Net unrealized securities holding gains	3,369			2,031
Postretirement benefits:
Adjustment of accumulated obligation for postretirement benefits	—			(85		)
Income tax benefit	—			33
Net adjustment of accumulated obligation for postretirement benefits	—			(52		)
Other comprehensive income, net of taxes	3,369			1,979
Comprehensive income*	15,674			12,943
Net income attributable to noncontrolling interest in subsidiary	602			422
Comprehensive income attributable to Brookline Bancorp, Inc.*	$	15,072		$	12,521
(*) Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

See accompanying notes to the unaudited consolidated financial statements.

3

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Unaudited Consolidated Statements of Changes in Equity

Three Months Ended March 31, 2015 and 2014

	Common Stock		Additional Paid-in Capital		Retained Earnings*			Accumulated Other Comprehensive (Loss) Income			Treasury Stock			Unallocated Common Stock Held by ESOP			Total Brookline Bancorp, Inc. Stockholders’ Equity*			Noncontrolling Interest in Subsidiary			Total Equity*
	(In Thousands Except Share Data)
Balance at December 31, 2014	$	757	$	617,475	$	84,860		$	(1,622	)	$	(58,282	)	$	(1,370	)	$	641,818		$	4,787		$	646,605
Net income attributable to Brookline Bancorp, Inc.	—		—		11,703			—			—			—			11,703			—			11,703
Net income attributable to noncontrolling interest in subsidiary	—		—		—			—			—			—			—			602			602
Other comprehensive income	—		—		—			3,369			—			—			3,369			—			3,369
Common stock dividends of $0.085 per share	—		—		(5,974		)	—			—			—			(5,974		)	—			(5,974		)
Dividend to owners of noncontrolling interest in subsidiary	—		—		—			—			—			—			—			(742		)	(742		)
Compensation under recognition and retention plans	—		329		—			—			(19		)	—			310			—			310
Common stock held by ESOP committed to be released (9,579 shares)	—		41		—						—			52			93			—			93
Balance at March 31, 2015	$	757	$	617,845	$	90,589		$	1,747		$	(58,301	)	$	(1,318	)	$	651,319		$	4,647		$	655,966
(*) Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

4

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Unaudited Consolidated Statements of Changes in Equity (Continued)

Three Months Ended March 31, 2015 and 2014

	Common Stock		Additional Paid-in Capital		Retained Earnings*			Accumulated Other Comprehensive (Loss) Income			Treasury Stock			Unallocated Common Stock Held by ESOP			Total Brookline Bancorp, Inc. Stockholders’ Equity*			Noncontrolling Interest in Subsidiary			Total Equity*
	(In Thousands Except Share Data)
Balance at December 31, 2013	$	757	$	617,538	$	65,448		$	(7,915	)	$	(59,826	)	$	(1,590	)	$	614,412		$	4,304		$	618,716
Net income attributable to Brookline Bancorp, Inc.	—		—		10,542			—			—			—			10,542			—			10,542
Net income attributable to noncontrolling interest in subsidiary	—		—		—			—			—			—			—			422			422
Other comprehensive loss	—		—		—			1,979			—			—			1,979			—			1,979
Common stock dividends of $0.085 per share	—		—		(5,964		)	—			—			—			(5,964		)	—			(5,964		)
Dividend to owners of noncontrolling interest in subsidiary	—		—		—			—			—			—			—			(805		)	(805		)
Compensation under recognition and retention plans	—		401		—			—			—			—			401			—			401
Common stock held by ESOP committed to be released (10,071 shares)	—		39		—			—			—			55			94			—			94
Balance at March 31, 2014	$	757	$	617,978	$	70,026		$	(5,936	)	$	(59,826	)	$	(1,535	)	$	621,464		$	3,921		$	625,385
(*) Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

See accompanying notes to the unaudited consolidated financial statements.

5

BROOKLINE BANCORP, INC. AND SUBSIDIARIES Unaudited Consolidated Statements of Cash Flows
	Three Months Ended March 31,
	2015			2014
	(In Thousands)
Cash flows from operating activities:
Net income attributable to Brookline Bancorp, Inc. *	$	11,703		$	10,542
Adjustments to reconcile net income to net cash provided from operating activities:
Net income attributable to noncontrolling interest in subsidiary	602			422
Provision for credit losses	2,263			2,443
Origination of loans and leases held-for-sale	(5,185		)	(652		)
Proceeds from loans and leases held-for-sale, net	273,446			14,449
Proceeds from sales of other real estate owned and repossessed assets	2,647			3,879
Deferred income tax (benefit) expense	(149		)	1,261
Depreciation of premises and equipment	1,792			1,670
Amortization of investment securities premiums and discounts, net	509			698
Amortization of deferred loan and lease origination costs, net	1,860			2,439
Amortization of identified intangible assets	738			861
Amortization of debt issuance costs	25			—
Accretion of acquisition fair value adjustments, net	(1,875		)	(4,841		)
Gain on sales of loans and leases held-for-sale	(869		)	(602		)
Gain on sales of OREO and repossessed assets, net	—			(16		)
Write-down of OREO and repossessed assets	38			111
Gain on sale/disposals of premises and equipment, net	—			(1,510		)
Compensation under recognition and retention plans	366			401
ESOP shares committed to be released	93			94
Net change in:
Cash surrender value of bank-owned life insurance	(263		)	(258		)
Other assets *	1,216			3,373
Accrued expenses and other liabilities	(10,525		)	(5,893		)
Net cash provided from operating activities *	278,432			28,871
Cash flows from investing activities:
Proceeds from maturities, calls and principal repayments of investment securities available-for-sale	19,974			16,466
Purchases of investment securities available-for-sale	(29,466		)	(48,516		)
Proceeds from maturities, calls, and principal repayments of investment securities held-to-maturity	—			500
Purchases of investment securities held-to-maturity	—			(500		)
Net increase in loans and leases	(83,175		)	(102,081		)
Proceeds from sales of premises and equipment	—			1,972
Purchase of premises and equipment, net	(466		)	(3,069		)
Net cash used for investing activities	(93,133		)	(135,228		)
				(Continued)

6

BROOKLINE BANCORP, INC. AND SUBSIDIARIES Unaudited Consolidated Statements of Cash Flows (Continued)
	Three Months Ended March 31,
	2015			2014
	(In Thousands)
Cash flows from financing activities:
Increase in demand checking, NOW, savings and money market accounts	51,817			29,539
Increase/(decrease) in certificates of deposit	104,915			(16,961		)
Proceeds from FHLBB advances	1,587,500			594,501
Repayment of FHLBB advances	(1,784,343		)	(506,629		)
Decrease in other borrowed funds, net	(3,987		)	(7,700		)
(Decrease)/increase in mortgagors’ escrow accounts, net	(87		)	807
Payment of dividends on common stock	(5,974		)	(5,964		)
Payment of dividends to owners of noncontrolling interest in subsidiary	(742		)	(805		)
Net cash (used for)/provided from financing activities	(50,901		)	86,788
Net increase/(decrease) in cash and cash equivalents	134,398			(19,569		)
Cash and cash equivalents at beginning of period	62,723			92,505
Cash and cash equivalents at end of period	$	197,121		$	72,936
Supplemental disclosures of cash flows information:
Cash paid during the period for:
Interest on deposits, borrowed funds and subordinated debt	$	9,996		$	7,747
Income taxes	3,216			599
Non-cash investing activities:
Transfer from loans and leases to loans and leases held-for-sale	$	266,421		$	—
Transfer from loans to other real estate owned	3,252			3,686
(*) Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

See accompanying notes to the unaudited consolidated financial statements.

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BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

(1)     Basis of Presentation

Overview

Brookline Bancorp, Inc. (the “Company”) is a bank holding company (within the meaning of the Bank Holding Company Act of 1956, as amended) and the parent of Brookline Bank, a Massachusetts-chartered savings bank; Bank Rhode Island (“BankRI”), a Rhode Island-chartered financial institution; and First Ipswich Bank (“First Ipswich” and formerly known as the First National Bank of Ipswich), a Massachusetts-chartered savings bank (collectively referred to as the “Banks”). The Banks are all members of the Federal Reserve System. The Company is also the parent of Brookline Securities Corp. (“BSC”). The Company’s primary business is to provide commercial, business and retail banking services to its corporate, municipal and individual customers through its banks and non-bank subsidiaries.

Brookline Bank, which includes its wholly-owned subsidiaries BBS Investment Corp., Longwood Securities Corp. and its 84.7%-owned subsidiary, Eastern Funding LLC (“Eastern Funding”), operates 24 full-service banking offices in the greater Boston metropolitan area. BankRI, which includes its wholly-owned subsidiaries BRI Investment Corp., Macrolease Corporation (“Macrolease”), Acorn Insurance Agency, BRI Realty Corp. and BRI MSC Corp., operates 19 full-service banking offices in the greater Providence area. First Ipswich, which includes its wholly-owned subsidiaries First Ipswich Securities II Corp. and First Ipswich Insurance Agency, operates 5 full-service banking offices on the north shore of eastern Massachusetts.

The Company’s activities include acceptance of commercial, municipal and retail deposits, origination of mortgage loans on commercial and residential real estate located principally in Massachusetts and Rhode Island, origination of commercial loans and leases to small- and mid-sized businesses, investment in debt and equity securities, and the offering of cash management and investment advisory services. The Company also provides specialty equipment financing through its subsidiaries Eastern Funding, which is based in New York City, New York, and Macrolease, which is based in Plainview, New York. The Company ceased the origination of indirect automobile loans in December 2014.

The Company and the Banks are supervised, examined and regulated by the Board of Governors of the Federal Reserve System ("FRB"). As Massachusetts-chartered banks, Brookline Bank and First Ipswich are also subject to regulation under the laws of the Commonwealth of Massachusetts and the jurisdiction of the Massachusetts Division of Banks. As a Rhode Island-chartered bank, BankRI is also subject to regulation under the laws of the State of Rhode Island and the jurisdiction of the Banking Division of the Rhode Island Department of Business Regulation.

The Federal Deposit Insurance Corporation (“FDIC”) offers insurance coverage on all deposits up to $250,000 per depositor at each of the three Banks. As FDIC-insured depository institutions, all three Banks are also secondarily subject to supervision, examination and regulation by the FDIC. Additionally, as a Massachusetts-chartered savings bank, Brookline Bank is also insured by the Depositors Insurance Fund (“DIF”), a private industry-sponsored insurance company. The DIF insures savings bank deposits in excess of the FDIC insurance limits. As such, Brookline Bank offers 100% insurance on all deposits as a result of a combination of insurance from the FDIC and the DIF. Brookline Bank is required to file reports with the DIF.

Basis of Financial Statement Presentation

The unaudited consolidated financial statements of the Company presented herein have been prepared pursuant to the rules of the Securities and Exchange Commission (“SEC”) for quarterly reports on Form 10-Q and do not include all of the information and note disclosures required by U.S. generally accepted accounting principles (“GAAP”). In the opinion of management, all adjustments (consisting of normal recurring adjustments) and disclosures considered necessary for the fair presentation of the accompanying consolidated financial statements have been included. Interim results are not necessarily reflective of the results of the entire year. The accompanying unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Annual Report on Form 10-K for the fiscal year ended December 31, 2014. 

The unaudited consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All significant intercompany transactions and balances are eliminated in consolidation.

8

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

In preparing these consolidated financial statements, management is required to make significant estimates and assumptions that affect the reported amounts of assets, liabilities, income, expenses and disclosure of contingent assets and liabilities. Actual results could differ from those estimates based upon changing conditions, including economic conditions and future events. Material estimates that are particularly susceptible to significant change in the near-term include the determination of the allowance for loan and lease losses, the determination of fair market values of assets and liabilities, including acquired loans and leases, the review of goodwill and intangibles for impairment and the review of deferred tax assets for valuation allowances.

The judgments used by management in applying these critical accounting policies may be affected by a further and prolonged deterioration in the economic environment, which may result in changes to future financial results. For example, subsequent evaluations of the loan and lease portfolio, in light of the factors then prevailing, may result in significant changes in the allowance for loan and lease losses in future periods, and the inability to collect outstanding principal may result in increased loan and lease losses.

Reclassification

Certain previously reported amounts have been reclassified to conform to the current year’s presentation, which did not change stockholders' equity and net income reported.

(2)         Recent Accounting Pronouncements

During the quarter ended March 31, 2015, the Financial Accounting Standards Board (“FASB”) issued no new Accounting Standards Updates ("ASUs") that were applicable to the Company. Refer to page F-20 of the Company's Annual Report on Form 10-K for the year ended December 31, 2014 for applicable ASUs issued in 2014.

The Company adopted ASU 2014-01, Accounting for Investments in Qualified Affordable Housing Projects, which required retrospective application. Refer to Note 8, "Investments in Qualified Affordable Projects" for the impact the adoption had on the Company's financial statements.

(3)         Investment Securities

The following tables set forth investment securities available-for-sale and held-to-maturity at the dates indicated:

	At March 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In Thousands)
Debt securities:
GSEs	$	22,890	$	363	$	—	$	23,253
GSE CMOs	229,591		342		2,090		227,843
GSE MBSs	267,648		3,783		397		271,034
SBA commercial loan asset-backed securities	199		—		2		197
Corporate debt obligations	39,829		712		—		40,541
Trust preferred securities	1,464		—		202		1,262
Total debt securities	561,621		5,200		2,691		564,130
Marketable equity securities	950		35		—		985
Total investment securities available-for-sale	$	562,571	$	5,235	$	2,691	$	565,115
Investment securities held-to-maturity	$	500	$	—	$	—	$	500

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BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

	At December 31, 2014
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In Thousands)
Debt securities:
GSEs	$	22,929	$	88	$	29	$	22,988
GSE CMOs	238,910		80		4,821		234,169
GSE MBSs	249,329		2,531		879		250,981
SBA commercial loan asset-backed securities	205		—		2		203
Corporate debt obligations	39,805		403		1		40,207
Trust preferred securities	1,463		—		223		1,240
Total debt securities	552,641		3,102		5,955		549,788
Marketable equity securities	947		26		—		973
Total investment securities available-for-sale	$	553,588	$	3,128	$	5,955	$	550,761
Investment securities held-to-maturity	$	500	$	—	$	—	$	500

At March 31, 2015, the fair value of all investment securities available-for-sale was $565.1 million, with net unrealized gains of $2.5 million, compared to a fair value of $550.8 million and net unrealized losses of $2.8 million at December 31, 2014. At March 31, 2015, $194.0 million, or 34.3% of the portfolio, had gross unrealized losses of $2.7 million, compared to $335.7 million, or 60.9%, with gross unrealized losses of $6.0 million at December 31, 2014.

Investment Securities as Collateral

At March 31, 2015 and December 31, 2014, respectively, $483.9 million and $473.1 million of investment securities available-for-sale were pledged as collateral for repurchase agreements; municipal deposits; treasury, tax and loan deposits; swap agreements; and FHLBB borrowings.

Other-Than-Temporary Impairment (“OTTI”)

Investment securities at March 31, 2015 and December 31, 2014 that have been in a continuous unrealized loss position for less than twelve months or twelve months or longer are as follows:

	At March 31, 2015
	Less than Twelve Months				Twelve Months or Longer				Total
	Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses
	(In Thousands)
Investment securities:
GSE CMOs	$	40,851	$	160	$	116,877	$	1,930	$	157,728	$	2,090
GSE MBSs	15,485		45		19,319		352		34,804		397
SBA commercial loan asset-backed securities	7		—		180		2		187		2
Trust preferred securities	—		—		1,262		202		1,262		202
Total temporarily impaired investment securities	$	56,343	$	205	$	137,638	$	2,486	$	193,981	$	2,691

10

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

	At December 31, 2014
	Less than Twelve Months				Twelve Months or Longer				Total
	Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses
	(In Thousands)
Investment securities:
GSEs	$	11,086	$	29	$	—	$	—	$	11,086	$	29
GSE CMOs	39,095		179		190,345		4,642		229,440		4,821
GSE MBSs	50,099		84		39,555		795		89,654		879
SBA commercial loan asset-backed securities	8		—		186		2		194		2
Corporate debt obligations	4,069		1		—		—		4,069		1
Trust preferred securities	—		—		1,240		223		1,240		223
Total temporarily impaired investment securities	$	104,357	$	293	$	231,326	$	5,662	$	335,683	$	5,955

The Company performs regular analysis on the investment securities available-for-sale portfolio to determine whether a decline in fair value indicates that an investment security is OTTI. In making these OTTI determinations, management considers, among other factors, the length of time and extent to which the fair value has been less than amortized cost; projected future cash flows; credit subordination and the creditworthiness, capital adequacy and near-term prospects of the issuers.

Management also considers the Company’s capital adequacy, interest-rate risk, liquidity and business plans in assessing whether it is more likely than not that the Company will sell or be required to sell the investment securities before recovery. If the Company determines that a decline in fair value is OTTI and that it is more likely than not that the Company will not sell or be required to sell the investment security before recovery of its amortized cost, the credit portion of the impairment loss is recognized in the Company's unaudited consolidated statements of income and the noncredit portion is recognized in accumulated other comprehensive income. The credit portion of the OTTI impairment represents the difference between the amortized cost and the present value of the expected future cash flows of the investment security. If the Company determines that a decline in fair value is OTTI and it is more likely than not that it will sell or be required to sell the investment security before recovery of its amortized cost, the entire difference between the amortized cost and the fair value of the investment security will be recognized in the Company's unaudited consolidated statements of income.

At March 31, 2015, it is more likely than not that the Company will not sell or be required to sell the investment securities before recovery of its amortized cost. The Company's ability and intent to hold these investment securities until recovery is supported by the Company's strong capital and liquidity positions as well as its historically low portfolio turnover. As such, Management has determined that the investment securities are not OTTI at March 31, 2015. If market conditions for investment securities worsen or the creditworthiness of the underlying issuers deteriorates, it is possible that the Company may recognize additional OTTI in future periods.

Debt Securities

U.S. Government-Sponsored Enterprises

The Company invests in securities issued by U.S. Government-sponsored enterprises (“GSEs”), including GSE debt securities, mortgage-backed securities (“MBSs”), and collateralized mortgage obligations (“CMOs”). GSE securities include obligations issued by the Federal National Mortgage Association (“FNMA”), the Federal Home Loan Mortgage Corporation (“FHLMC”), the Government National Mortgage Association (“GNMA”), the Federal Home Loan Banks ("FHLB") and the Federal Farm Credit Bank. At March 31, 2015, only GNMA MBSs and CMOs, and Small Business Administration (“SBA”) commercial loan asset-backed securities with an estimated fair value of $25.4 million were backed explicitly by the full faith and credit of the U.S. Government, compared to $26.2 million at December 31, 2014.

At March 31, 2015, the Company held GSE debentures with a total fair value of $23.3 million and a net unrealized gain of $0.4 million. At December 31, 2014, the Company held GSE debentures with a total fair value of $23.0 million which

11

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

approximated amortized cost. At March 31, 2015, none of the eight securities in this portfolio were in unrealized loss positions. At December 31, 2014, four of the eight securities in this portfolio were in unrealized loss positions. All securities are performing and backed by the implicit (FHLB / FNMA / FHLMC) or explicit (GNMA / SBA) guarantee of the U.S. Government.

At March 31, 2015, the Company held GSE mortgage-related securities with a total fair value of $498.9 million and a net unrealized gain of $1.6 million. This compares to a total fair value of $485.2 million and a net unrealized loss of $3.1 million at December 31, 2014. At March 31, 2015, 53 of the 257 securities in this portfolio were in unrealized loss positions, compared to 79 of the 250 securities at December 31, 2014. All securities are performing and backed by the implicit (FHLB / FNMA / FHLMC) or explicit (GNMA) guarantee of the U.S. Government. During the three months endedMarch 31, 2015, the Company purchased $29.5 million in GSE CMOs and GSE MBSs. This compares to a total of $36.5 million during the same period in 2014.

SBA Commercial Loan Asset-Backed Securities

At March 31, 2015 and December 31, 2014, the Company held eight SBA securities with a total fair value of $0.2 million which approximated amortized cost. At March 31, 2015 and December 31, 2014, seven of the eight securities in this portfolio were in unrealized loss positions. All securities are performing and backed by the explicit (SBA) guarantee of the U.S. Government.

Corporate Obligations

From time to time, the Company will invest in high-quality corporate obligations to provide portfolio diversification and improve the overall yield on the portfolio. The Company owned thirteen corporate obligation securities with a total fair value of $40.5 million and a net unrealized gain of $0.7 million at March 31, 2015. This compares to thirteen corporate obligation securities with a total fair value of $40.2 million and a net unrealized gain of $0.4 million at December 31, 2014. At March 31, 2015, none of the thirteen securities in this portfolio were in unrealized loss positions. At December 31, 2014, one of the thirteen securities in this portfolio is in unrealized loss position. Full collection of the obligations is expected because the financial condition of the issuers is sound, none of the issuers has defaulted on scheduled payments, the obligations are rated investment grade and the Company has the ability and intent to hold the obligations for a period of time to recover the amortized cost. During the three months endedMarch 31, 2015, the Company did not purchase any corporate obligations. This compares to a total of $12.0 million purchased during the same period in 2014.

Trust Preferred Securities

Trust preferred securities represent subordinated debt issued by financial institutions. At March 31, 2015, the Company owned two trust preferred securities with a total fair value of $1.3 million and total net unrealized loss of $0.2 million. This compares to two trust preferred securities with a total fair value of $1.2 million and a total net unrealized loss of $0.2 million at December 31, 2014. At March 31, 2015 and December 31, 2014, both of the securities in this portfolio were in unrealized loss positions. Full collection of the obligations is expected because the financial condition of the issuers is sound, none of the issuers has defaulted on scheduled payments, the obligations are rated investment grade and the Company has the ability and intent to hold the obligations for a period of time to recover the amortized cost.

Marketable Equity Securities

At March 31, 2015 and December 31, 2014, the Company owned marketable equity securities with a fair value of $1.0 million, which approximated amortized cost. At March 31, 2015 and December 31, 2014, none of the securities in this portfolio was in an unrealized loss position.

Investment Securities Held-to-Maturity

At March 31, 2015 and December 31, 2014, the Company owned a held-to-maturity investment security with a carrying value of $0.5 million and a fair value of $0.5 million. This investment security matures in March 2016 and carries an interest rate of 1.3%.

12

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

Portfolio Maturities

The final stated maturities of the debt securities are as follows at the dates indicated:

	At March 31, 2015						At December 31, 2014
	Amortized Cost		Estimated Fair Value		Weighted Average Rate		Amortized Cost		Estimated Fair Value		Weighted Average Rate
	(Dollars in Thousands)
Investment securities available-for-sale:
Within 1 year	$	5,985	$	6,027	2.42	%	$	3,057	$	3,081	3.00	%
After 1 year through 5 years	55,299		56,593		2.46	%	55,631		56,586		2.48	%
After 5 years through 10 years	94,946		96,674		1.98	%	103,268		104,208		2.00	%
Over 10 years	405,392		404,837		1.91	%	390,685		385,913		1.91	%
	$	561,622	$	564,131	1.98	%	$	552,641	$	549,788	1.99	%
Investment securities held-to-maturity:
Within 1 year	$	500	$	500	1.30	%	$	—	$	—	—	%
After 1 year through 5 years	—		—		—	%	500		500		1.30	%
	$	500	$	500	1.30	%	$	500	$	500	1.30	%

Actual maturities of debt securities may differ from those presented above since certain obligations provide the issuer the right to call or prepay the obligation prior to scheduled maturity without penalty. At March 31, 2015, issuers of debt securities with an estimated fair value of $12.0 million had the right to call or prepay the obligations. Of the $12.0 million, $8.0 million matures in 1 - 5 years and $4.0 million matures in 6 - 10 years. At December 31, 2014, issuers of debt securities with an estimated fair value of $16.1 million had the right to call or prepay the obligations. Of the $16.1 million, approximately $5.0 million matures in 1 - 5 years, $9.9 million matures in 6 - 10 years and $1.2 million matures after ten years. MBSs and CMOs are included above based on their contractual maturities; the remaining lives, however, are expected to be shorter due to anticipated prepayments.

Security Sales

Security transactions are recorded on the trade date. When securities are sold, the adjusted cost of the specific security sold is used to compute the gain on loss on the sale. There were no security sales during the three-month periods ended March 31, 2015 and 2014.

13

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

(4)        Loans and Leases

The following tables present loan and lease balances and weighted average coupon rates for the originated and acquired loan and lease portfolios at the dates indicated:

	At March 31, 2015
	Originated				Acquired				Total
	Balance		Weighted Average Coupon		Balance		Weighted Average Coupon		Balance		Weighted Average Coupon
	(Dollars in Thousands)
Commercial real estate loans:
Commercial real estate mortgage	$	1,471,054	4.16	%	$	243,086	4.24	%	$	1,714,140	4.17	%
Multi-family mortgage	590,590		4.10	%	61,910		4.48	%	652,500		4.13	%
Construction	132,229		3.71	%	2,018		5.42	%	134,247		3.73	%
Total commercial real estate loans	2,193,873		4.12	%	307,014		4.30	%	2,500,887		4.14	%
Commercial loans and leases:
Commercial	515,375		3.85	%	44,969		4.33	%	560,344		3.89	%
Equipment financing	602,045		6.88	%	12,256		6.14	%	614,301		6.87	%
Condominium association	52,707		4.59	%	—		—	%	52,707		4.59	%
Total commercial loans and leases	1,170,127		5.44	%	57,225		4.72	%	1,227,352		5.41	%
Indirect automobile loans	23,335		5.69	%	—		—	%	23,335		5.69	%
Consumer loans:
Residential mortgage	482,774		3.59	%	96,220		3.81	%	578,994		3.63	%
Home equity	191,715		3.35	%	100,483		3.85	%	292,198		3.53	%
Other consumer	11,666		4.95	%	162		16.61	%	11,828		5.11	%
Total consumer loans	686,155		3.55	%	196,865		3.84	%	883,020		3.62	%
Total loans and leases	$	4,073,490	4.41	%	$	561,104	4.18	%	$	4,634,594	4.39	%

14

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

	At December 31, 2014
	Originated				Acquired				Total
	Balance		Weighted Average Coupon		Balance		Weighted Average Coupon		Balance		Weighted Average Coupon
	(Dollars in Thousands)
Commercial real estate loans:
Commercial real estate mortgage	$	1,425,621	4.18	%	$	254,461	4.29	%	$	1,680,082	4.20	%
Multi-family mortgage	576,214		4.11	%	63,492		4.50	%	639,706		4.15	%
Construction	146,074		3.79	%	1,939		5.50	%	148,013		3.81	%
Total commercial real estate loans	2,147,909		4.13	%	319,892		4.34	%	2,467,801		4.16	%
Commercial loans and leases:
Commercial	462,730		3.88	%	51,347		4.14	%	514,077		3.91	%
Equipment financing	587,496		6.92	%	13,928		6.22	%	601,424		6.90	%
Condominium association	51,593		4.60	%	—		—	%	51,593		4.60	%
Total commercial loans and leases	1,101,819		5.53	%	65,275		4.58	%	1,167,094		5.48	%
Indirect automobile loans	316,987		4.47	%	—		—	%	316,987		4.47	%
Consumer loans:
Residential mortgage	472,078		3.60	%	99,842		3.77	%	571,920		3.63	%
Home equity	181,580		3.35	%	105,478		3.85	%	287,058		3.53	%
Other consumer	11,580		5.13	%	167		16.35	%	11,747		5.29	%
Total consumer loans	665,238		3.56	%	205,487		3.82	%	870,725		3.62	%
Total loans and leases	$	4,231,953	4.43	%	$	590,654	4.19	%	$	4,822,607	4.40	%

The Company lends primarily in the eastern half of Massachusetts, southern New Hampshire and Rhode Island, with the exception of equipment financing, 35.5% of which is in the greater New York/New Jersey metropolitan area and 64.5% of which is in other areas in the United States of America at March 31, 2015, compared to 35.9% of which is in the greater New York/New Jersey metropolitan area and 64.1% of which is in other areas in the United States of America at December 31, 2014.

Competition for the indirect automobile loans increased significantly as credit unions and large national banks entered indirect automobile lending in a search for additional sources of income. That competition drove interest rates down and, in some cases, changed the manner in which interest rates are developed, from including a dealer-shared spread to imposing a dealer-based fee to originate the loan. Given this market condition, management ceased the Company's origination of indirect automobile loans in December 2014. For the quarter ended March 31, 2015, the Company sold over 90% of the portfolio for $255.2 million, which resulted in a loss of $11.8 thousand. Refer to Note 5, "Allowance for Loan and Lease Losses" for the impact of the sale on the Company's allowance for loan and lease losses.

15

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

Accretable Yield for the Acquired Loan Portfolio

The following table summarizes activity in the accretable yield for the acquired loan portfolio for the periods indicated:

	Three Months Ended March 31,
	2015			2014
	(In Thousands)
Balance at beginning of period	$	32,044		$	45,789
Reclassification from nonaccretable difference for loans with improved cash flows	1,440			1,440
Accretion	(2,824		)	(4,728		)
Balance at end of period	$	30,660		$	42,501

On a quarterly basis, subsequent to acquisition, management reforecasts the expected cash flows for acquired ASC 310-30 loans, taking into account prepayment speeds, probability of default and loss given defaults. Management compares cash flow projections per the reforecast to the original cash flow projections and determines whether any reduction in cash flow expectations is due to credit deterioration, or if the change in cash flow is related to noncredit events. This cash flow analysis is used to evaluate the need for a loan loss provision and/or prospective yield adjustments. During the three months endedMarch 31, 2015 and 2014, accretable yield adjustments totaling $1.4 million were made for certain loan pools. These prospective accretable yield adjustments, which are subject to continued re-assessment, will be recognized over the remaining lives of those pools.

The aggregate remaining nonaccretable difference (representing both principal and interest) applicable to acquired loans and leases totaled $2.1 million and $3.6 million at March 31, 2015 and December 31, 2014, respectively.

Loans and Leases Pledged as Collateral

At March 31, 2015 and December 31, 2014, there were $2.0 billion and $1.6 billion, respectively, of loans and leases pledged as collateral for repurchase agreements; municipal deposits; treasury, tax and loan deposits; swap agreements; and FHLBB borrowings. The Banks did not have any outstanding FRB borrowings at March 31, 2015 and December 31, 2014.

16

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

(5)    Allowance for Loan and Lease Losses

The following tables present the changes in the allowance for loan and lease losses and the recorded investment in loans and leases by portfolio segment for the periods indicated:

	Three Months Ended March 31, 2015
	Commercial Real Estate			Commercial			Indirect Automobile			Consumer			Unallocated		Total
	(In Thousands)
Balance at December 31, 2014	$	29,594		$	15,957		$	2,331		$	3,359		$	2,418	$	53,659
Charge-offs	(388		)	(450		)	(820		)	(7		)	—		(1,665		)
Recoveries	—			212			581			18			—		811
Provision (credit) for loan and lease losses	254			3,365			(1,634		)	249			67		2,301
Balance at March 31, 2015	$	29,460		$	19,084		$	458		$	3,619		$	2,485	$	55,106

	Three Months Ended March 31, 2014
	Commercial Real Estate		Commercial			Indirect Automobile			Consumer			Unallocated		Total
	(In Thousands)
Balance at December 31, 2013	$	23,022	$	15,220		$	3,924		$	3,375		$	2,932	$	48,473
Charge-offs	—		(551		)	(289		)	(210		)	—		(1,050		)
Recoveries	—		251			104			29			—		384
Provision for loan and lease losses	1,836		624			(75		)	(84		)	116		2,417
Balance at March 31, 2014	$	24,858	$	15,544		$	3,664		$	3,110		$	3,048	$	50,224

The liability for unfunded credit commitments, which is included in other liabilities, was $1.2 million, $1.3 million and $1.1 million at March 31, 2015, December 31, 2014 and March 31, 2014, respectively. The liability for unfunded credit commitments reflects changes in the estimate of loss exposure associated with certain unfunded credit commitments. No credit commitments were charged off against the liability account in the three-month periods ended March 31, 2015 and 2014.

Provision for Credit Losses

The provision for credit losses are set forth below for the periods indicated:

	Three Months Ended March 31,
	2015			2014
	(In Thousands)
Provision (credit) for loan and lease losses:
Commercial real estate	$	254		$	1,836
Commercial	3,365			624
Indirect automobile	(1,634		)	(75		)
Consumer	249			(84		)
Unallocated	67			116
Total provision for loan and lease losses	2,301			2,417
Unfunded credit commitments	(38		)	26
Total provision for credit losses	$	2,263		$	2,443

Procedure for Placing Loans and Leases on Nonaccrual

Accrual of interest on loans generally is discontinued when contractual payment of principal or interest becomes past due 90 days or, if in management’s judgment, reasonable doubt exists as to the full timely collection of interest. Exceptions may be

17

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

made if the loan has matured and is in the process of renewal or is well-secured and in the process of collection. When a loan is placed on nonaccrual status, interest accruals cease and uncollected accrued interest is reversed and charged against current interest income. Interest payments on nonaccrual loans are generally applied to principal. If collection of the principal is reasonably assured, interest payments are recognized as income on the cash basis. Loans are generally returned to accrual status when principal and interest payments are current, full collectability of principal and interest is reasonably assured and a consistent record of at least six consecutive months of performance has been achieved.

Allowance for Loan and Lease Losses Methodology

Management has established a methodology to determine the adequacy of the allowance for loan and lease losses that assesses the risks and losses inherent in the loan and lease portfolio. Additions to the allowance for loan and lease losses are made by charges to the provision for credit losses. Losses on loans and leases are charged off against the allowance when all or a portion of a loan or lease is considered uncollectible. Subsequent recoveries on loans previously charged off, if any, are credited to the allowance when realized.

The allowance for loan and lease losses consists of general, specific and unallocated reserves and reflects management's estimate of probable loan and lease losses inherent in the loan portfolio at the balance sheet date. Management uses a consistent and systematic process and methodology to evaluate the adequacy of the allowance for loan and lease losses on a quarterly basis. For purposes of determining the allowance for loan and lease losses, the Company has segmented certain loans and leases in the portfolio by product type into the following pools: (1) commercial real estate loans, (2) commercial loans and leases, (3) indirect automobile loans and (4) consumer loans. Portfolio segments are further disaggregated into classes based on the associated risks within the segments. Commercial real estate loans are divided into three classes: commercial real estate mortgage loans, multi-family mortgage loans and construction loans. Commercial loans and leases are divided into three classes: commercial loans, equipment financing, and loans to condominium associations. The indirect automobile loan segment is not divided into classes. Consumer loans are divided into three classes: residential mortgage loans, home equity loans and other consumer loans. A formula-based credit evaluation approach is applied to each group, coupled with an analysis of certain loans for impairment.

General Allowance

The general allowance related to loans collectively evaluated for impairment is determined using a formula-based approach utilizing the risk ratings of individual credits and loss factors derived from historic portfolio loss rates which includes estimates of incurred losses over an estimated loss emergence period (“LEP”). The LEP was generated utilizing a charge-off look-back analyses which studied the time from the first indication of elevated risk of repayment (or other early event indicating a problem) to eventual charge-off to support the LEP considered in the allowance calculation. This reserving methodology established the approximate number of months of a LEP that incurred losses should be carried for each portfolio. Other relevant qualitative factors include, but are not limited to, historic levels and trends in loan charge-offs and recoveries; past-due loans; risk-rated loans; classified loans and impaired loans; the pace of loan growth; underwriting policies and adherence to such policies; changes in credit concentration; the experience of lending personnel and management; trends in the economy and employment; business conditions; industry conditions; and political, legislative and regulatory changes. The general allowance related to the acquired loans collectively evaluated for impairment are determined based upon the degree, if any, of deterioration in the pooled loans subsequent to acquisition. The qualitative factors used in the determination are the same as those used for originated loans.

The general allowance for loan and lease losses was $49.7 million at March 31, 2015, compared to $50.1 million at December 31, 2014. The general portion of the allowance for loan and lease losses decreased by $0.4 million during the three months endedMarch 31, 2015, largely a result of the sale of the indirect automobile portfolio, partially offset by growth in commercial real estate and commercial loan and lease portfolios. The sale of the indirect automobile portfolio resulted in a release of $1.9 million in the general allowance for loan and lease losses.

Specific Allowance

Specific valuation allowances are established for impaired originated loans with book values greater than the discounted present value of expected future cash flows or, in the case of collateral-dependent impaired loans, for any excess of a loan's book balance and the fair value of its underlying collateral. Specific valuation allowances are established for acquired loans

18

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

with deterioration in the discounted present value of expected future cash flows since acquisitions or, in the case of collateral dependent impaired loans, for any increase in the excess of a loan's book balance greater than the fair value of its underlying collateral. A specific valuation allowance for losses on troubled debt restructured loans is determined by comparing the net carrying amount of the troubled debt restructured loan with the restructured loan's cash flows discounted at the original

effective rate. Impaired loans are reviewed quarterly with adjustments made to the calculated reserve as deemed necessary.

The specific allowance for loan and lease losses was $2.9 million at March 31, 2015, compared to $1.2 million at December 31, 2014. The specific allowance increased by $1.7 million during the three months endedMarch 31, 2015, primarily due to one commercial relationship which was downgraded during the three months endedMarch 31, 2015.

Unallocated Allowance

Determination of the unallocated portion of the allowance is a subjective process. Management believes the unallocated allowance is an important component of the total allowance because it addresses the probable inherent risk of loss that exists in that part of the Company's loan portfolio with repayment terms that extend over many years. It also helps to minimize the risk related to the margin of imprecision inherent in the estimation of the allocated components of the allowance. The Company has not allocated the unallocated portion of the allowance to the various loan categories and classes because such an allocation would imply a degree of precision that does not exist.

The unallocated allowance for loan and lease losses was $2.5 million at March 31, 2015, compared to $2.4 million at December 31, 2014. The unallocated portion of the allowance for loan and lease losses increased by $0.1 million during the three months endedMarch 31, 2015, largely as the result of the increase in overall allowance for loan and lease losses.

Credit Quality Assessment

At the time of loan origination, a rating is assigned based on the financial strength of the borrower and the value of assets pledged as collateral. The Company continually monitors the asset quality of the loan portfolio using all available information. The officer responsible for handling each loan is required to initiate changes to risk ratings when changes in facts and circumstances occur that warrant an upgrade or downgrade in a loan rating. Based on this information, loans demonstrating certain payment issues or other weaknesses may be categorized as delinquent, impaired, nonperforming and/or put on nonaccrual status. Additionally, in the course of resolving such loans, the Company may choose to restructure the contractual terms of certain loans to match the borrower’s ability to repay the loan based on their current financial condition. If a restructured loan meets certain criteria, it may be categorized as a troubled debt restructuring.

The Company reviews numerous credit quality indicators when assessing the risk in its loan portfolio. For the commercial real estate mortgage, multi-family mortgage, construction, commercial, equipment financing, condominium association and other consumer loan and lease classes, the Company utilizes an eight-grade loan rating system, which assigns a risk rating to each borrower based on a number of quantitative and qualitative factors associated with a loan transaction. Factors considered include industry and market conditions; position within the industry; earnings trends; operating cash flow; asset/liability values; debt capacity; guarantor strength; management and controls; financial reporting; collateral; and other considerations. In addition, the Company’s independent loan review group evaluates the credit quality and related risk ratings of the commercial real estate and commercial loan portfolios. The results of these reviews are reported to the Board of Directors. For consumer loans, the Company primarily relies on payment status for monitoring credit risk.

The ratings categories used for assessing credit risk in the commercial real estate mortgage, multi-family mortgage, construction, commercial, equipment financing, condominium association and other consumer loan and lease classes are defined as follows:

1-4 Rating — Pass

Loan rating grades “1” through “4” are classified as “Pass,” which indicates borrowers are performing in accordance with the terms of the loan and are less likely to result in loss due to the capacity of the borrower to pay and the adequacy of the value of assets pledged as collateral.

19

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

5 Rating — Other Asset Especially Mentioned (“OAEM”)

Borrowers exhibit potential credit weaknesses or downward trends deserving management’s attention. If not checked or corrected, these trends will weaken the Company’s asset and position. While potentially weak, currently these borrowers are marginally acceptable; no loss of principal or interest is envisioned.

6 Rating — Substandard

Borrowers exhibit well-defined weaknesses that jeopardize the orderly liquidation of debt. Substandard loans may be inadequately protected by the current net worth and paying capacity of the obligors or by the collateral pledged, if any. Normal repayment from the borrower is in jeopardy. Although no loss of principal is envisioned, there is a distinct possibility that a partial loss of interest and/or principal will occur if the deficiencies are not corrected. Collateral coverage may be inadequate to cover the principal obligation.

7 Rating — Doubtful

Borrowers exhibit well-defined weaknesses that jeopardize the orderly liquidation of debt with the added provision that the weaknesses make collection of the debt in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable. Serious problems exist to the point where partial loss of principal is likely.

8 Rating — Definite Loss

Borrowers deemed incapable of repayment. Loans to such borrowers are considered uncollectable and of such little value that continuation as active assets of the Company is not warranted.

Assets rated as “OAEM,” “substandard” or “doubtful” based on criteria established under banking regulations are collectively referred to as “criticized” assets.

20

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

Credit Quality Information

The following tables present the recorded investment in loans in each class at March 31, 2015 by credit quality indicator.

	At March 31, 2015
	Commercial Real Estate Mortgage		Multi- Family Mortgage		Construction		Commercial		Equipment Financing		Condominium Association		Other Consumer
	(In Thousands)
Originated:
Loan rating:
Pass	$	1,454,500	$	589,373	$	132,229	$	499,770	$	598,603	$	52,707	$	11,621
OAEM	13,368		1,217		—		6,665		896		—		—
Substandard	3,186		—		—		7,997		1,106		—		45
Doubtful	—		—		—		943		1,440		—		—
Total originated	1,471,054		590,590		132,229		515,375		602,045		52,707		11,666
Acquired:
Loan rating:
Pass	226,510		59,169		1,791		39,101		12,186		—		162
OAEM	8,177		1,008		227		1,568		—		—		—
Substandard	7,978		1,733		—		4,208		70		—		—
Doubtful	421		—		—		92		—		—		—
Total acquired	243,086		61,910		2,018		44,969		12,256		—		162
Total loans	$	1,714,140	$	652,500	$	134,247	$	560,344	$	614,301	$	52,707	$	11,828

At March 31, 2015, there were no loans categorized as definite loss.

	At March 31, 2015
	Indirect Automobile
	(In Thousands)		(Percent)
Originated:
Credit score:
Over 700	$	15,915	68.2	%
661-700	5,403		23.2	%
660 and below	1,781		7.6	%
Data not available	236		1.0	%
Total loans	$	23,335	100.0	%

21

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

	At March 31, 2015
	Residential Mortgage				Home Equity
	(In Thousands)		(Percent)		(In Thousands)		(Percent)
Originated:
Loan-to-value ratio:
Less than 50%	$	105,225	18.1	%	$	122,455	41.9	%
50% - 69%	194,651		33.6	%	37,398		12.8	%
70% - 79%	162,574		28.1	%	27,437		9.4	%
80% and over	18,015		3.1	%	3,352		1.2	%
Data not available	2,309		0.4	%	1,073		0.4	%
Total originated	482,774		83.3	%	191,715		65.7	%
Acquired:
Loan-to-value ratio:
Less than 50%	18,962		3.3	%	66,105		22.6	%
50% - 69%	34,476		6.0	%	23,163		7.9	%
70% - 79%	22,022		3.8	%	9,040		3.1	%
80% and over	16,114		2.8	%	1,170		0.4	%
Data not available	4,646		0.8	%	1,005		0.3	%
Total acquired	96,220		16.7	%	100,483		34.3	%
Total loans	$	578,994	100.0	%	$	292,198	100.0	%

22

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

The following tables present the recorded investment in loans in each class at December 31, 2014 by credit quality indicator.

	At December 31, 2014
	Commercial Real Estate Mortgage		Multi- Family Mortgage		Construction		Commercial		Equipment Financing		Condominium Association		Other Consumer
	(In Thousands)
Originated:
Loan rating:
Pass	$	1,402,121	$	574,972	$	146,074	$	447,778	$	583,340	$	51,593	$	11,540
OAEM	22,491		1,242		—		12,193		932		—		—
Substandard	1,009		—		—		1,671		2,338		—		40
Doubtful	—		—		—		1,088		886		—		—
Total originated	1,425,621		576,214		146,074		462,730		587,496		51,593		11,580
Acquired:
Loan rating:
Pass	237,439		60,837		1,709		43,925		13,795		—		167
OAEM	8,351		713		230		1,852		—		—		—
Substandard	8,250		1,942		—		5,424		133		—		—
Doubtful	421		—		—		146		—		—		—
Total acquired	254,461		63,492		1,939		51,347		13,928		—		167
Total loans	$	1,680,082	$	639,706	$	148,013	$	514,077	$	601,424	$	51,593	$	11,747

At December 31, 2014, there were no loans categorized as definite loss.

	At December 31, 2014
	Indirect Automobile
	(In Thousands)		(Percent)
Originated:
Credit score:
Over 700	$	262,160	82.7	%
661-700	43,422		13.7	%
660 and below	9,927		3.1	%
Data not available	1,478		0.5	%
Total loans	$	316,987	100.0	%

23

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

	At December 31, 2014
	Residential Mortgage				Home Equity
	(In Thousands)		(Percent)		(In Thousands)		(Percent)
Originated:
Loan-to-value ratio:
Less than 50%	$	105,342	18.4	%	$	113,541	39.6	%
50% - 69%	179,319		31.4	%	35,660		12.4	%
70% - 79%	166,467		29.1	%	27,123		9.4	%
80% and over	19,335		3.4	%	4,195		1.5	%
Data not available	1,615		0.3	%	1,061		0.4	%
Total originated	472,078		82.6	%	181,580		63.2	%
Acquired:
Loan-to-value ratio:
Less than 50%	19,574		3.4	%	70,293		24.5	%
50% - 69%	35,131		6.2	%	22,581		7.9	%
70% - 79%	22,972		4.0	%	10,569		3.7	%
80% and over	16,268		2.8	%	1,178		0.4	%
Data not available	5,897		1.0	%	857		0.3	%
Total acquired	99,842		17.4	%	105,478		36.8	%
Total loans	$	571,920	100.0	%	$	287,058	100.0	%

24

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

Age Analysis of Past Due Loans and Leases

The following tables present an age analysis of the recorded investment in total loans and leases at March 31, 2015 and December 31, 2014.

	At March 31, 2015
	Past Due												Loans and Leases Past
	31-60 Days		61-90 Days		Greater  Than 90  Days		Total		Current		Total Loans and Leases		Due Greater Than 90 Days and Accruing		Nonaccrual Loans and Leases
	(In Thousands)
Originated:
Commercial real estate loans:
Commercial real estate mortgage	$	179	$	1,122	$	200	$	1,501	$	1,469,553	$	1,471,054	$	—	$	3,135
Multi-family mortgage	—		—		—		—		590,590		590,590		—		—
Construction	—		—		—		—		132,229		132,229		—		—
Total commercial real estate loans	179		1,122		200		1,501		2,192,372		2,193,873		—		3,135
Commercial loans and leases:
Commercial	793		52		2,080		2,925		512,450		515,375		—		8,810
Equipment financing	1,659		355		1,775		3,789		598,256		602,045		—		2,321
Condominium association	363		—		—		363		52,344		52,707		—		—
Total commercial loans and leases	2,815		407		3,855		7,077		1,163,050		1,170,127		—		11,131
Indirect automobile	1,957		624		130		2,711		20,624		23,335		—		468
Consumer loans:
Residential mortgage	173		329		499		1,001		481,773		482,774		—		2,290
Home equity	159		—		204		363		191,352		191,715		—		235
Other consumer	24		6		37		67		11,599		11,666		—		45
Total consumer loans	356		335		740		1,431		684,724		686,155		—		2,570
Total originated loans and leases	$	5,307	$	2,488	$	4,925	$	12,720	$	4,060,770	$	4,073,490	$	—	$	17,304

25

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

	At March 31, 2015
	Past Due												Loans and Leases Past
	31-60 Days		61-90 Days		Greater  Than 90  Days		Total		Current		Total Loans and Leases		Due Greater Than 90 Days and Accruing		Nonaccrual Loans and Leases
	(In Thousands)
Acquired:
Commercial real estate loans:
Commercial real estate mortgage	$	3,186	$	387	$	3,180	$	6,753	$	236,333	$	243,086	$	3,065	$	115
Multi-family mortgage	690		—		2,188		2,878		59,032		61,910		2,188		—
Construction	—		227		—		227		1,791		2,018		—		—
Total commercial real estate loans	3,876		614		5,368		9,858		297,156		307,014		5,253		115
Commercial loans and leases:
Commercial	348		594		3,309		4,251		40,718		44,969		624		3,229
Equipment financing	—		—		62		62		12,194		12,256		72		—
Total commercial loans and leases	348		594		3,371		4,313		52,912		57,225		696		3,229
Consumer loans:
Residential mortgage	66		51		2,419		2,536		93,684		96,220		2,077		342
Home equity	892		149		968		2,009		98,474		100,483		35		1,744
Other consumer	—		—		—		—		162		162		—		—
Total consumer loans	958		200		3,387		4,545		192,320		196,865		2,112		2,086
Total acquired loans and leases	$	5,182	$	1,408	$	12,126	$	18,716	$	542,388	$	561,104	$	8,061	$	5,430
Total loans and leases	$	10,489	$	3,896	$	17,051	$	31,436	$	4,603,158	$	4,634,594	$	8,061	$	22,734

26

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

	At December 31, 2014
	Past Due												Loans and Leases Past
	31-60 Days		61-90 Days		Greater  Than 90  Days		Total		Current		Total Loans and Leases		Due Greater Than 90 Days and Accruing		Nonaccrual Loans and Leases
	(In Thousands)
Originated:
Commercial real estate loans:
Commercial real estate mortgage	$	1,631	$	416	$	160	$	2,207	$	1,423,414	$	1,425,621	$	—	$	1,009
Multi-family mortgage	385		—		—		385		575,829		576,214		—		—
Construction	—		—		—		—		146,074		146,074		—		—
Total commercial real estate loans	2,016		416		160		2,592		2,145,317		2,147,909		—		1,009
Commercial loans and leases:
Commercial	758		876		1,499		3,133		459,597		462,730		2		2,722
Equipment financing	1,534		138		2,392		4,064		583,432		587,496		—		3,214
Condominium association	501		—		—		501		51,092		51,593		—		—
Total commercial loans and leases	2,793		1,014		3,891		7,698		1,094,121		1,101,819		2		5,936
Indirect automobile	4,635		923		166		5,724		311,263		316,987		—		645
Consumer loans:
Residential mortgage	—		—		501		501		471,577		472,078		—		1,340
Home equity	75		52		129		256		181,324		181,580		—		161
Other consumer	17		5		30		52		11,528		11,580		—		41
Total consumer loans	92		57		660		809		664,429		665,238		—		1,542
Total originated loans and leases	$	9,536	$	2,410	$	4,877	$	16,823	$	4,215,130	$	4,231,953	$	2	$	9,132

27

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

	At December 31, 2014
	Past Due												Loans and Leases Past
	31-60 Days		61-90 Days		Greater  Than 90  Days		Total		Current		Total Loans and Leases		Due Greater Than 90 Days and Accruing		Nonaccrual Loans and Leases
	(In Thousands)
Acquired:
Commercial real estate loans:
Commercial real estate mortgage	$	989	$	3,705	$	2,387	$	7,081	$	247,380	$	254,461	$	2,387	$	—
Multi-family mortgage	195		729		363		1,287		62,205		63,492		363		—
Construction	—		—		—		—		1,939		1,939		—		—
Total commercial real estate loans	1,184		4,434		2,750		8,368		311,524		319,892		2,750		—
Commercial loans and leases:
Commercial	712		488		3,033		4,233		47,114		51,347		624		2,474
Equipment financing	2		52		66		120		13,808		13,928		73		9
Total commercial loans and leases	714		540		3,099		4,353		60,922		65,275		697		2,483
Consumer loans:
Residential mortgage	—		—		2,715		2,715		97,127		99,842		2,372		342
Home equity	1,005		733		923		2,661		102,817		105,478		187		1,757
Other consumer	—		—		—		—		167		167		—		—
Total consumer loans	1,005		733		3,638		5,376		200,111		205,487		2,559		2,099
Total acquired loans and leases	$	2,903	$	5,707	$	9,487	$	18,097	$	572,557	$	590,654	$	6,006	$	4,582
Total loan and leases	$	12,439	$	8,117	$	14,364	$	34,920	$	4,787,687	$	4,822,607	$	6,008	$	13,714

Commercial Real Estate Loans — At March 31, 2015, loans outstanding in the three classes within this segment expressed as a percentage of total loans and leases outstanding were as follows: commercial real estate mortgage loans — 37.0%; multi-family mortgage loans — 14.1%; and construction loans — 2.9%.

Loans in this portfolio that are on nonaccrual status and/or risk-rated “substandard” or worse are evaluated on an individual loan basis for impairment. For non-impaired commercial real estate loans, loss factors are applied to outstanding loans by risk rating for each of the three classes in the portfolio. The factors applied are based primarily on historic loan loss experience and an assessment of internal and external factors and other relevant information.

Commercial Loans and Leases — At March 31, 2015, loans and leases outstanding in the three classes within this segment expressed as a percent of total loans and leases outstanding were as follows: commercial loans and leases — 12.1%; equipment financing loans — 13.3%; and loans to condominium associations — 1.1%.

Loans and leases in this portfolio that are on nonaccrual status and/or risk-rated “substandard” or worse are evaluated on an individual basis for impairment. For non-impaired commercial loans and leases, loss factors are applied to outstanding loans by risk rating for each of the three classes in the portfolio.

Indirect Automobile Loans — At March 31, 2015, indirect automobile loans represented 0.5% of the Company’s total loan and lease portfolio. Determination of the allowance for loan and lease losses for this portfolio is based primarily on payment status and historical loss rates.

28

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

Consumer Loans — At March 31, 2015, loans outstanding within the three classes within this segment expressed as a percent of total loans and leases outstanding were as follows: residential mortgage loans — 12.5%; home equity loans — 6.3%; and other consumer loans — 0.3%.

Significant risk characteristics related to the residential mortgage and home equity loan portfolios are the geographic concentration of the properties financed within selected communities in the greater Boston and Providence metropolitan areas. The payment status and loan-to-value ratio are the primary credit quality indicators used for residential mortgage loans and home equity loans. Generally, loans are not made when the loan-to-value ratio exceeds 80% unless private mortgage insurance is obtained and/or there is a financially strong guarantor. Consumer loans that become 90 days or more past due, or are placed on nonaccrual regardless of past due status, are reviewed on an individual basis for impairment by assessing the net realizable value of underlying collateral and the economic condition of the borrower.

Impaired Loans and Leases

A loan is considered to be impaired when, based on current information and events, it is probable that the Company will

be unable to collect all amounts due (both interest and principal) according to the contractual terms of the loan agreement. The Company has defined the population of impaired loans to include nonaccrual loans and troubled debt restructured loans.

When the ultimate collectability of the total principal of an impaired loan or lease is in doubt and the loan is on nonaccrual status, all payments are applied to principal, under the cost recovery method. When the ultimate collectability of the total principal of an impaired loan or lease is not in doubt and the loan or lease is on nonaccrual status, contractual interest is credited to interest income when received, under the cash basis method.

The following tables include the recorded investment and unpaid principal balances of impaired loans and leases with the related allowance amount, if applicable, for the originated and acquired loan and lease portfolios at the dates indicated. Also presented are the average recorded investments in the impaired loans and leases and the related amount of interest recognized during the period that the impaired loans were impaired.

29

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

	At March 31, 2015						At December 31, 2014
	Recorded Investment (1)		Unpaid Principal Balance		Related Allowance		Recorded Investment (2)		Unpaid Principal Balance		Related Allowance
	(In Thousands)
Originated:
With no related allowance recorded:
Commercial real estate	$	4,914	$	4,909	$	—	$	2,751	$	2,748	$	—
Commercial	15,020		14,998		—		13,440		13,421		—
Consumer	4,077		4,072		—		3,055		3,048		—
Total originated with no related allowance recorded	24,011		23,979		—		19,246		19,217		—
With an allowance recorded:
Commercial real estate	4,102		4,102		98		4,119		4,119		108
Commercial	5,726		5,717		2,411		2,019		2,011		768
Consumer	169		169		10		176		176		10
Total originated with an allowance recorded	9,997		9,988		2,519		6,314		6,306		886
Total originated impaired loans and leases	34,008		33,967		2,519		25,560		25,523		886
Acquired:
With no related allowance recorded:
Commercial real estate	10,011		10,026		—		9,413		9,428		—
Commercial	4,379		4,376		—		6,049		6,047		—
Consumer	7,365		7,366		—		6,688		6,688		—
Total acquired with no related allowance recorded	21,755		21,768		—		22,150		22,163		—
With an allowance recorded:
Commercial real estate	243		243		23		244		244		22
Commercial	872		872		287		478		478		214
Consumer	352		352		47		225		225		41
Total acquired with an allowance recorded	1,467		1,467		357		947		947		277
Total acquired impaired loans and leases	23,222		23,235		357		23,097		23,110		277
Total impaired loans and leases	$	57,230	$	57,202	$	2,876	$	48,657	$	48,633	$	1,163

⁽¹⁾Includes originated and acquired nonaccrual loans of $15.6 million and $5.3 million, respectively at March 31, 2015.

⁽²⁾Includes originated and acquired nonaccrual loans of $7.1 million and $4.6 million, respectively at December 31, 2014.

30

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

	Three Months Ended
	March 31, 2015				March 31, 2014
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In Thousands)
Originated:
With no related allowance recorded:
Commercial real estate	$	4,928	$	22	$	3,898	$	36
Commercial	15,231		152		3,880		8
Consumer	4,080		15		3,832		13
Total originated with no related allowance recorded	24,239		189		11,610		57
With an allowance recorded:
Commercial real estate	4,109		50		164		—
Commercial	5,862		3		3,657		24
Consumer	172		—		298		—
Total originated with an allowance recorded	10,143		53		4,119		24
Total originated impaired loans and leases	34,382		242		15,729		81
Acquired:
With no related allowance recorded:
Commercial real estate	10,329		37		7,577		46
Commercial	4,503		15		8,221		36
Consumer	7,391		15		8,271		5
Total acquired with no related allowance recorded	22,223		67		24,069		87
With an allowance recorded:
Commercial real estate	244		—		4,420		37
Commercial	872		—		546		1
Consumer	360		2		—		—
Total acquired with an allowance recorded	1,476		2		4,966		38
Total acquired impaired loans and leases	23,699		69		29,035		125
Total impaired loans and leases	$	58,081	$	311	$	44,764	$	206

31

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

The following tables present information regarding impaired and non-impaired loans and leases at the dates indicated:

	At March 31, 2015
	Commercial Real Estate		Commercial		Indirect Automobile		Consumer		Unallocated		Total
	(In Thousands)
Allowance for Loan and Lease Losses:
Originated:
Individually evaluated for impairment	$	98	$	2,411	$	—	$	10	$	—	$	2,519
Collectively evaluated for impairment	27,491		16,078		458		3,164		2,485		49,676
Total originated loans and leases	27,589		18,489		458		3,174		2,485		52,195
Acquired:
Individually evaluated for impairment	—		208		—		47		—		255
Collectively evaluated for impairment	634		217		—		23		—		874
Acquired with deteriorated credit quality	1,237		170		—		375		—		1,782
Total acquired loans and leases	1,871		595		—		445		—		2,911
Total allowance for loan and lease losses	$	29,460	$	19,084	$	458	$	3,619	$	2,485	$	55,106
Loans and Leases:
Originated:
Individually evaluated for impairment	$	9,016	$	20,746	$	—	$	4,246	$	—	$	34,008
Collectively evaluated for impairment	2,184,857		1,149,381		23,335		681,909		—		4,039,482
Total originated loans and leases	2,193,873		1,170,127		23,335		686,155		—		4,073,490
Acquired:
Individually evaluated for impairment	615		4,294		—		3,311		—		8,220
Collectively evaluated for impairment	91,081		31,615		—		127,262		—		249,958
Acquired with deteriorated credit quality	215,318		21,316		—		66,292		—		302,926
Total acquired loans and leases	307,014		57,225		—		196,865		—		561,104
Total loans and leases	$	2,500,887	$	1,227,352	$	23,335	$	883,020	$	—	$	4,634,594

32

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

	At December 31, 2014
	Commercial Real Estate		Commercial		Indirect Automobile		Consumer		Unallocated		Total
	(In Thousands)
Allowance for Loan and Lease Losses:
Originated:
Individually evaluated for impairment	$	108	$	768	$	—	$	10	$	—	$	886
Collectively evaluated for impairment	27,457		14,631		2,331		3,088		2,418		49,925
Total originated loans and leases	27,565		15,399		2,331		3,098		2,418		50,811
Acquired:
Individually evaluated for impairment	—		144		—		41		—		185
Collectively evaluated for impairment	648		222		—		2		—		872
Acquired with deteriorated credit quality	1,381		192		—		218		—		1,791
Total acquired loans and leases	2,029		558		—		261		—		2,848
Total allowance for loan and lease losses	$	29,594	$	15,957	$	2,331	$	3,359	$	2,418	$	53,659
Loans and Leases:
Originated:
Individually evaluated for impairment	$	6,870	$	15,459	$	—	$	3,231	$	—	$	25,560
Collectively evaluated for impairment	2,141,039		1,086,360		316,987		662,007		—		4,206,393
Total originated loans and leases	2,147,909		1,101,819		316,987		665,238		—		4,231,953
Acquired:
Individually evaluated for impairment	626		4,458		—		2,562		—		7,646
Collectively evaluated for impairment	97,141		38,504		—		134,973		—		270,618
Acquired with deteriorated credit quality	222,125		22,313		—		67,952		—		312,390
Total acquired loans and leases	319,892		65,275		—		205,487		—		590,654
Total loans and leases	$	2,467,801	$	1,167,094	$	316,987	$	870,725	$	—	$	4,822,607

Troubled Debt Restructured Loans and Leases

A specific valuation allowance for losses on troubled debt restructured loans is determined by comparing the net carrying amount of the troubled debt restructured loan with the restructured loan's cash flows discounted at the original effective rate.

The following table sets forth information regarding troubled debt restructured loans and leases at the dates indicated:

	At March 31, 2015		At December 31, 2014
	(Dollars in Thousands)
Troubled debt restructurings:
On accrual	$	14,184	$	14,815
On nonaccrual	6,126		5,625
Total troubled debt restructurings	$	20,310	$	20,440

33

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

The recorded investment in troubled debt restructurings and the associated specific allowances for loan and lease losses, in the originated and acquired loan and lease portfolios, are as follows for the periods indicated.

	At and for the Three Months Ended March 31, 2015
	Recorded Investment					Specific				Defaulted(1)
	Number of Loans/ Leases	At Modification		At End of Period		Allowance for Loan and Lease Losses		Nonaccrual Loans and Leases		Additional Commitment		Number of Loans/ Leases	Recorded Investment
	(Dollars in Thousands)
Originated:
Commercial	3	$	2,569	$	2,568	$	—	$	248	$	—	1	248
Equipment financing	1	112		112		—		—		—		1	491
Total Originated	4	2,681		2,680		—		248		—		2	739
Acquired:
Commercial	1	13		13		—		13		—		2	406
Residential mortgage	1	140		140		12		—		—		—	—
Total Acquired	2	153		153		12		13		—		2	406
Total	6	$	2,834	$	2,833	$	12	$	261	$	—	4	$	1,145

(1) Includes loans and leases that have been modified within the past twelve months and subsequently had payment defaults during the period indicated.

	At and for the Three Months Ended March 31, 2014
	Recorded Investment					Specific				Defaulted(1)
	Number  of Loans/ Leases	At Modification		At End of Period		Allowance for Loan and Lease Losses		Nonaccrual Loans and Leases		Additional Commitment		Number of Loans/ Leases	Recorded Investment
	(Dollars in Thousands)
Originated:
Commercial real estate mortgage	1	$	953	$	951	$	—	$	—	$	—	—	$	—
Equipment financing	1	384		382		—		382		—		2	266
Residential mortgage	1	498		498		—		498		—		—	—
Total	3	$	1,835	$	1,831	$	—	$	880	$	—	2	$	266

(1) Includes loans and leases that have been modified within the past twelve months and subsequently had payment defaults during the period indicated.

For the three months ended March 31, 2014, there were no troubled debt restructurings in the Company’s acquired portfolio. 

34

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

The following table sets forth the Company’s balances of troubled debt restructurings that were modified at the dates indicated, by type of modification.

	Three Months Ended March 31,
	2015		2014
	(In Thousands)
Loans with one modification:
Adjusted interest rate	$	140	$	880
Combination maturity, principal, interest rate	125		—
Total loans with one modification	265		880
Loans with more than one modification:
Extended maturity	2,568		951
Total loans with more than one modification	2,568		951
Total loans with modifications	$	2,833	$	1,831

The financial impact of the modification of performing and nonperforming loans and leases for the three months ended March 31, 2015 was $0.03 million. There was no financial impact of the modification of performing and nonperforming loans and leases for the three months ended March 31, 2014.

As of March 31, 2015 and 2014, there were no commitments to lend funds to debtors owing receivables whose terms had been modified in troubled debt restructurings.

(6)  Premises and Equipment

In January 2014, the Company completed a transaction to sell a facility located in Brookline, MA, for $2.2 million. The carrying value of the property, including land, building, and furniture, fixtures, and equipment, was $0.4 million. After costs to sell of $0.2 million, the Company recorded a gain on sale in the amount of $1.6 million during the three months endedMarch 31, 2014, which is included in gain on sale/disposals of premises and equipment, net in the Company’s unaudited consolidated statements of income. There was no sale of property during the quarter ended March 31, 2015.

(7)Goodwill and Other Intangible Assets

The following table sets forth the carrying value of goodwill and other intangible assets at the dates indicated:

	At March 31, 2015		At December 31, 2014
	(In Thousands)
Goodwill	$	137,890	$	137,890
Other intangible assets:
Core deposits	11,717		12,455
Trade name	1,089		1,089
Total other intangible assets	12,806		13,544
Total goodwill and other intangible assets	$	150,696	$	151,434

The Company concluded that the BankRI name would continue to be utilized in its marketing strategies; therefore, the trade name with carrying value of $1.1 million has an indefinite life.

35

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

The estimated aggregate future amortization expense (in thousands) for intangible assets with a finite life remaining at March 31, 2015 is as follows:

Remainder of 2015	$	2,173
Year ending:
2016	2,500
2017	2,089
2018	1,669
2019	1,295
Thereafter	1,991
Total	$	11,717

(8)Investments in Qualified Affordable Housing Projects

The Company began investing in affordable housing projects that benefit low- and moderate-income individuals in 2009. As of March 31, 2015, the Company has investments in 8 projects. The Company is a limited partner in these projects given that its investments do not exceed 50% of the outstanding equity interest in any single project and project management is controlled by the general partner or project sponsor.

On January 1, 2015, the Company adopted ASU 2014-01, Accounting for Investments in Qualified Affordable Housing Projects, which required retrospective application. Under the proportional amortization method in ASU 2014-01, the initial costs of investment in qualified affordable housing projects are amortized in proportion to tax credits and other tax benefits received, and are recognized as a component of the provision of income taxes in the consolidated statements of income. Prior to the implementation of ASU 2014-01, the Company’s investments in qualified affordable housing projects were accounted for using the equity method where operating losses from these investments were included as a component of non-interest income in the consolidated statements of income. Further information regarding the Company's investments in affordable housing projects follows:

	At March 31, 2015		At December 31, 2014
	(In Thousands)
Investments in affordable housing projects included in other assets	$	10,790	$	10,313
Unfunded commitments related to affordable housing projects included in other liabilities	2,338		2,608

	At and for the Three Months Ended March 31, 2015
	(In Thousands)
Investments in affordable housing projects tax credits included in other liabilities	$	397
Investments in affordable housing projects tax benefits included in other liabilities	164
Investment amortization included in pretax income	410
Amount recognized as income tax benefit	151

ASU 2014-01 was applied retrospectively to all periods presented. The cumulative effect on retained earnings was $1.1 million at January 1, 2015.

36

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

The following table illustrates the prior period adjustments related to the adoption of ASU 2014-01.

	At December 31, 2014
	(In Thousands)
Other assets, as reported	$	79,411
Prior period adjustment	1,068
Other assets, as adjusted	$	80,479
Retained earnings, as reported	$	83,792
Prior period adjustment	1,068
Retained earnings, as adjusted	$	84,860

	Three Months Ended March 31, 2014
	(In Thousands)
Loss from investments in affordable housing projects, as reported	$	504
Prior period adjustment	(504		)
Loss from investments in affordable housing projects, as adjusted	$	—
Provision for income taxes, as reported	$	5,995
Prior period adjustment	384
Provision for income taxes, as adjusted	$	6,379
Net income, as reported	$	10,422
Prior period adjustment	120
Net income, as adjusted	$	10,542
Earnings per share, as reported	$	0.15
Prior period adjustment	—
Earnings per share, as adjusted	$	0.15
Effective tax rate, as reported	35.60		%
Prior period adjustment	1.18		%
Effective tax rate, as adjusted	36.78		%

(9)Comprehensive Income/(Loss)

Comprehensive income (loss) represents the sum of net income (loss) and other comprehensive income (loss). For the three months endedMarch 31, 2015 and March 31, 2014, the Company’s other comprehensive income (loss) include the following two components: (i) unrealized holding gains (losses) on investment securities available-for-sale; and (ii) adjustment of accumulated obligation for postretirement benefits.

37

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

Changes in accumulated other comprehensive (loss) income by component, net of tax, were as follows for the periods indicated:

	Three Months Ended March 31, 2015
	Investment Securities Available-for-Sale			Postretirement Benefits		Accumulated Other Comprehensive Income
	(In Thousands)
Balance at December 31, 2014	$	(1,733	)	$	111	$	(1,622	)
Other comprehensive income	3,369			—		3,369
Balance at March 31, 2015	$	1,636		$	111	$	1,747

	Three Months Ended March 31, 2014
	Investment Securities  Available-for-Sale			Postretirement Benefits			Accumulated Other Comprehensive Income
	(In Thousands)
Balance at December 31, 2013	$	(8,332	)	$	417		$	(7,915	)
Other comprehensive income (loss)	2,031			(52		)	1,979
Balance at March 31, 2014	$	(6,301	)	$	365		$	(5,936	)

The Company did not reclassify any amounts out of accumulated other comprehensive income (loss) for the three months endedMarch 31, 2015 and 2014.

(10)       Derivatives and Hedging Activities

The Company may use interest-rate contracts (swaps, caps and floors) as part of interest-rate risk management strategy. Interest-rate swap, cap and floor agreements are entered into as hedges against future interest-rate fluctuations on specifically identified assets or liabilities. The Company did not have derivative fair value hedges or derivative cash flow hedges at March 31, 2015 or December 31, 2014.

Derivatives not designated as hedges are not speculative but rather, result from a service the Company provides to certain customers for a fee. The Company executes interest-rate swaps with commercial banking customers to aid them in managing their interest-rate risk. The interest-rate swap contracts allow the commercial banking customers to convert floating-rate loan payments to fixed-rate loan payments. The Company concurrently enters into offsetting swaps with a third-party financial institution, effectively minimizing its net risk exposure resulting from such transactions. The third-party financial institution exchanges the customer’s fixed-rate loan payments for floating-rate loan payments. As the interest-rate swaps associated with this program do not meet hedge accounting requirements, changes in the fair value of both the customer swaps and the offsetting swaps are recognized directly in the Company's unaudited consolidated statements of income. The Company had 22 interest-rate swaps related to this program with an aggregate notional amount of $110.2 million at March 31, 2015, compared with 22 interest-rate swaps with an aggregate notional amount of $109.4 million at December 31, 2014.

38

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

Asset derivatives and liability derivatives are included in other assets and accrued expenses and other liabilities on the unaudited consolidated balance sheets, respectively. The table below presents the fair value and classification of the Company’s derivative financial instruments at March 31, 2015 and December 31, 2014.

	At March 31, 2015				At December 31, 2014
	Asset Derivatives		Liability Derivatives		Asset Derivatives		Liability Derivatives
	(In Thousands)
Total derivatives (interest-rate products) not designated as hedging instruments	$	3,642	$	3,771	$	2,676	$	2,714

Changes in the fair value are recognized directly in the Company's unaudited consolidated statements of income and are included in other non-interest income in the consolidated statements of income. The table below presents the gain (loss) recognized in income due to changes in the fair value for the three months endedMarch 31, 2015 and March 31, 2014.

	Three Months Ended March 31,
	2015			2014
	(In Thousands)
(Loss) gain recognized in income on derivatives	$	(91	)	$	2

By using derivative financial instruments, the Company exposes itself to credit risk which is the risk of failure by the counterparty to perform under the terms of the derivative contract. When the fair value of a derivative contract is positive, the counterparty owes the Company, which creates credit risk for the Company. When the fair value of a derivative is negative, the Company owes the counterparty and, therefore, it does not possess credit risk. The credit risk in derivative instruments is mitigated by entering into transactions with highly-rated counterparties that management believes to be creditworthy and by limiting the amount of exposure to each counterparty. As the swaps are subject to master netting agreements, the Company had limited exposure relating to interest rate swaps with institutional counterparties. The estimated net credit risk exposure was $129.8 thousand at March 31, 2015 compared to $39.3 thousand at December 31, 2014.

Certain of the derivative agreements contain provisions that require the Company to post collateral if the derivative exposure exceeds a threshold amount. The Company has posted collateral of $7.8 million and $5.4 million in the normal course of business at March 31, 2015 and December 31, 2014, respectively.

The tables below present the offsetting of derivatives and amounts subject to master netting agreements not offset in the unaudited consolidated balance sheet at the dates indicated.

	At March 31, 2015
	Gross Amounts of Recognized Assets /Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets Presented in the Statement of Financial Position		Gross Amounts Not Offset in the Statement of Financial Position				Net Amount
							Financial Instruments		Cash Collateral (Received)/ Posted
	(In Thousands)
Asset Derivatives	$	3,642	$	—	$	3,642	$	—	$	—	$	3,642
Liability Derivatives	$	3,771	$	—	$	3,771	$	—	$	7,849	$	11,620

39

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

	At December 31, 2014
	Gross Amounts of Recognized Assets /Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets Presented in the Statement of Financial Position		Gross Amounts Not Offset in the Statement of Financial Position				Net Amount
							Financial Instruments		Cash Collateral (Received) / Posted
	(In Thousands)
Asset Derivatives	$	2,676	$	—	$	2,676	$	—	$	—	$	2,676
Liability Derivatives	$	2,714	$	—	$	2,714	$	—	$	5,353	$	8,067

The Company has agreements with certain of its derivative counterparties that contain credit-risk-related contingent provisions. These provisions provide the counterparty with the right to terminate its derivative positions and require the Company to settle its obligations under the agreements if the Company defaults on certain of its indebtedness or if the Company fails to maintain its status as a well-capitalized institution. 

(11)       Stock Based Compensation

As of March 31, 2015, the Company had three active recognition and retention plans: the 2003 Recognition and Retention Plan (the "2003 RRP") with 1,250,000 authorized shares, the 2011 Restricted Stock Award Plan (the "2011 RSA") with 500,000 authorized shares and the 2014 Equity Incentive Plan (the "2014 Plan") with 1,750,000 authorized shares. The 2003 RRP, the 2011 RSA and the 2014 Plan are collectively referred to as the "Plans". The purpose of the Plans is to promote the long-term financial success of the Company and its subsidiaries by providing a means to attract, retain and reward individuals who contribute to such success and to further align their interests with those of the Company's stockholders.

Of the awarded shares, generally 50% vest ratably over three years with one-third of such shares vesting at each of the first, second and third anniversary dates of the awards. These are referred to as "time-based shares". The remaining 50% of each award has a cliff vesting schedule and will vest three years after the award date based on the level of the Company's achievement of identified performance targets in comparison to the level of achievement of such identified performance targets by a defined peer group comprised of 20 financial institutions. These are referred to as "performance-based shares". The specific performance measure targets relate to return on assets, return on tangible equity, asset quality and total shareholder return. If a participant leaves the Company prior to the third anniversary date of an award, any unvested shares will be forfeited. Dividends declared with respect to shares awarded are held by the Company and paid to the participant only when the shares vest.

Under all the Plans, shares of the Company's common stock were reserved for issuance as restricted stock awards to officers, employees, consultants and non-employee directors of the Company. Shares issued upon vesting may be either authorized but unissued shares or reacquired shares held by the Company as treasury shares. Any shares not issued because vesting requirements are not met will be retired back to treasury and be made available again for issuance under the Plans.

Total expense for the Plans was $0.4 million for the three months endedMarch 31, 2015 and 2014.

40

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

(12)Earnings per Share

The following table sets forth a reconciliation of basic and diluted earnings per share (“EPS”) for the periods indicated:

	Three Months Ended
	March 31, 2015				March 31, 2014
	Basic		Fully Diluted		Basic		Fully Diluted
	(In Thousands Except Share Data)
Numerator:
Net income	$	11,703	$	11,703	$	10,542	$	10,542
Denominator:
Weighted average shares outstanding	70,036,090		70,036,090		69,875,473		69,875,473
Effect of dilutive securities	—		128,015		—		108,526
Adjusted weighted average shares outstanding	70,036,090		70,164,105		69,875,473		69,983,999
EPS	$	0.17	$	0.17	$	0.15	$	0.15

(13)       Fair Value of Financial Instruments

A description of the valuation methodologies used for assets and liabilities measured at fair value on a recurring and non-recurring basis, as well as the general classification of such instruments pursuant to the valuation hierarchy, is set forth below. There were no changes in the valuation techniques used during the three months endedMarch 31, 2015 and March 31, 2014.

41

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

Assets and Liabilities Recorded at Fair Value on a Recurring Basis

The following tables set forth the carrying value of assets and liabilities measured at fair value on a recurring basis at the dates indicated:

	Carrying Value at March 31, 2015
	Level 1		Level 2		Level 3		Total
	(In Thousands)
Assets:
Investment securities available-for-sale:
Debt securities:
GSEs	$	—	$	23,253	$	—	$	23,253
GSE CMOs	—		227,843		—		227,843
GSE MBSs	—		271,034		—		271,034
SBA commercial loan asset-backed securities	—		197		—		197
Corporate debt obligations	—		40,541		—		40,541
Trust preferred securities	—		1,262		—		1,262
Total debt securities	—		564,130		—		564,130
Marketable equity securities	985		—		—		985
Total investment securities available-for-sale	$	985	$	564,130	$	—	$	565,115
Interest-rate swaps	$	—	$	3,642	$	—	$	3,642
Liabilities:
Interest-rate swaps	$	—	$	3,771	$	—	$	3,771

42

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

	Carrying Value at December 31, 2014
	Level 1		Level 2		Level 3		Total
	(In Thousands)
Assets:
Investment securities available-for-sale:
Debt securities:
GSEs	$	—	$	22,988	$	—	$	22,988
GSE CMOs	—		234,169		—		234,169
GSE MBSs	—		250,981		—		250,981
SBA commercial loan asset-backed securities	—		203		—		203
Corporate debt obligations	—		40,207		—		40,207
Trust preferred securities	—		1,240		—		1,240
Total debt securities	—		549,788		—		549,788
Marketable equity securities	973		—		—		973
Total investment securities available-for-sale	$	973	$	549,788	$	—	$	550,761
Interest-rate swaps	$	—	$	2,676	$	—	$	2,676
Liabilities:
Interest-rate swaps	$	—	$	2,714	$	—	$	2,714

Investment Securities Available-for-Sale

The fair value of investment securities is based principally on market prices and dealer quotes received from third-party and nationally-recognized pricing services for identical investment securities such as U.S. Treasury and agency securities. The Company's marketable equity securities are priced this way and are included in Level 1. These prices are validated by comparing the primary pricing source with an alternative pricing source when available. When quoted market prices for identical securities are unavailable, the Company uses market prices provided by independent pricing services based on recent trading activity and other observable information, including but not limited to market interest-rate curves, referenced credit spreads and estimated prepayment speeds where applicable. These investments include certain U.S. and government agency debt securities, GSE residential MBSs and CMOs, private-label CMOs, municipal and corporate debt securities, and trust preferred securities, all of which are included in Level 2. Certain fair values estimated using pricing models (such as auction-rate municipal securities) are included in Level 3.

Additionally, management reviews changes in fair value from period to period and performs testing to ensure that prices received from the third parties are consistent with management's expectation of the market. Changes in the prices obtained from the pricing service are analyzed from month to month, taking into consideration changes in market conditions including changes in mortgage spreads, changes in U.S. Treasury security yields and changes in generic pricing of 15-year and 30-year securities. Additional analysis may include a review of prices provided by other independent parties, a yield analysis, a review of average life changes using Bloomberg analytics and a review of historical pricing for a particular security.

Interest-Rate Swaps

The fair values for the interest-rate swap assets and liabilities represent a Level 2 valuation and are based on settlement values adjusted for credit risks associated with the counterparties and the Company and observable market interest rate curves. Credit risk adjustments consider factors such as the likelihood of default by the Company and its counterparties, its net exposures and remaining contractual life. To date, the Company has not realized any losses due to a counterparty’s inability to pay any net uncollateralized position. The change in value of interest-rate swap assets and liabilities attributable to credit risk was not significant during the reported periods. See also Note 10, “Derivatives and Hedging Activities.”

43

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

The reconciliation of all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) is as follows:

	Three Months Ended March 31,
	2015		2014
	(In Thousands)
Investment securities available-for-sale, beginning of period	$	—	$	1,775
Total unrealized losses included in other comprehensive income	—		(85		)
Investment securities available-for-sale, end of period	$	—	$	1,690

There were no transfers between levels for assets and liabilities recorded at fair value on a recurring basis during the three months endedMarch 31, 2015 and 2014.

Assets and Liabilities Recorded at Fair Value on a Non-Recurring Basis

The table below summarizes assets and liabilities measured at fair value on a non-recurring basis at the dates indicated:

	Carrying Value at March 31, 2015
	Level 1		Level 2		Level 3		Total
	(In Thousands)
Assets measured at fair value on a non-recurring basis:
Collateral-dependent impaired loans and leases	$	—	$	—	$	16,530	$	16,530
OREO	—		—		1,043		1,043
Repossessed assets	—		980		—		980
Total assets measured at fair value on a non-recurring basis	$	—	$	980	$	17,573	$	18,553

	Carrying Value at December 31, 2014
	Level 1		Level 2		Level 3		Total
	(In Thousands)
Assets measured at fair value on a non-recurring basis:
Collateral-dependent impaired loans and leases	$	—	$	—	$	6,376	$	6,376
OREO	—		—		953		953
Repossessed assets	—		503		—		503
Total assets measured at fair value on a non-recurring basis	$	—	$	503	$	7,329	$	7,832

Collateral-Dependent Impaired Loans and Leases

For nonperforming loans and leases where the credit quality of the borrower has deteriorated significantly, fair values of the underlying collateral were estimated using purchase and sales agreements (Level 2), or comparable sales or recent appraisals (Level 3), adjusted for selling costs and other expenses.

Other Real Estate Owned

The Company records other real estate owned at the lower of cost or fair value. In estimating fair value, the Company utilizes purchase and sales agreements (Level 2) or comparable sales, recent appraisals or cash flows discounted at an interest rate commensurate with the risk associated with these cash flows (Level 3), adjusted for selling costs and other expenses.

44

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

Repossessed Assets

Repossessed assets are carried at estimated fair value less costs to sell based on auction pricing (Level 2).

The table below presents quantitative information about significant unobservable inputs (Level 3) for assets measured at fair value on a recurring and non-recurring basis at the dates indicated.

	Fair Value				Valuation Technique
	At March 31, 2015		At December 31, 2014
	(Dollars in Thousands)
Collateral-dependent impaired loans and leases	$	16,530	$	6,376	Appraisal of collateral (1)
Other real estate owned	$	1,043	$	953	Appraisal of collateral (1)

(1) Fair value is generally determined through independent appraisals of the underlying collateral. The Company may also use another available source of collateral assessment to determine a reasonable estimate of the fair value of the collateral. Appraisals may be adjusted by management for qualitative factors such as economic factors and estimated liquidation expenses. The range of these possible adjustments may vary.

Summary of Estimated Fair Values of Financial Instruments

The following table presents the carrying amount, estimated fair value, and placement in the fair value hierarchy of the Company’s financial instruments at the dates indicated. This table excludes financial instruments for which the carrying amount approximates fair value. Financial assets for which the fair value approximates carrying value include cash and cash equivalents, FHLBB and FRB stock and accrued interest receivable. Financial liabilities for which the fair value approximates carrying value include non-maturity deposits, short-term borrowings and accrued interest payable.

					Fair Value Measurements
	Carrying Value		Estimated Fair Value		Level 1 Inputs		Level 2 Inputs		Level 3 Inputs
	(In Thousands)
At March 31, 2015
Financial assets:
Investment securities held-to-maturity	$	500	$	500	$	—	$	—	$	500
Loans held-for-sale	787		787		—		787		—
Loans and leases, net	4,579,488		4,592,417		—		—		4,592,417
Financial liabilities:
Certificates of deposit	1,051,580		1,061,059		—		1,061,059		—
Borrowed funds	924,925		931,448		—		931,448		—
At December 31, 2014
Financial assets:
Investment securities held-to-maturity	$	500	$	500	$	—	$	—	$	500
Loans held-for-sale	1,537		1,537		—		1,537		—
Loans and leases, net	4,768,948		4,753,605		—		—		4,753,605
Financial liabilities:
Certificates of deposit	946,708		949,320		—		949,320		—
Borrowed funds	1,126,404		1,132,940		—		1,132,940		—

45

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

Investment Securities Held-to-Maturity

The fair values of investment securities held-to-maturity are estimated using pricing models or are based on comparisons to market prices of similar securities and are considered to be Level 3.

Loans Held-for-Sale

Fair value is measured using quoted market prices when available. These assets are typically categorized as Level 1. If quoted market prices are not available, comparable market values may be utilized. These assets are typically categorized as Level 2.

Loans and Leases

The fair values of performing loans and leases were estimated by segregating the portfolio into its primary loan and lease categories—commercial real estate mortgage, multi-family mortgage, construction, commercial, equipment financing, condominium association, indirect automobile, residential mortgage, home equity and other consumer. These categories were further disaggregated based on significant financial characteristics such as type of interest rate (fixed / variable) and payment status (current / past-due). The Company discounts the contractual cash flows for each loan category using interest rates currently being offered for loans with similar terms to borrowers of similar quality and incorporates estimates of future loan prepayments. This method of estimating fair value does not incorporate the exit price concept of fair value.

Deposits

The fair values of deposit liabilities with no stated maturity (demand, NOW, savings and money market savings accounts) are equal to the carrying amounts payable on demand. The fair value of certificates of deposit represents contractual cash flows discounted using interest rates currently offered on deposits with similar characteristics and remaining maturities. The fair value estimates for deposits do not include the benefit that results from the low-cost funding provided by the Company’s core deposit relationships (deposit-based intangibles).

Borrowed Funds

The fair value of federal funds purchased is equal to the amount borrowed. The fair value of FHLBB advances and repurchase agreements represents contractual repayments discounted using interest rates currently available for borrowings with similar characteristics and remaining maturities. The fair values reported for retail repurchase agreements are based on the discounted value of contractual cash flows. The discount rates used are representative of approximate rates currently offered on borrowings with similar characteristics and maturities. The fair values reported for subordinated deferrable interest debentures are based on the discounted value of contractual cash flows. The discount rates used are representative of approximate rates currently offered on instruments with similar terms and maturities.

(14)  Commitments and Contingencies

Off-Balance-Sheet Financial Instruments

The Company is party to off-balance-sheet financial instruments in the normal course of business to meet the financing needs of its customers and to reduce its own exposure to fluctuations in interest rates. These financial instruments include loan commitments, standby and commercial letters of credit, and interest-rate swaps. According to GAAP, these financial instruments are not recorded in the financial statements until they are funded or related fees are incurred or received.

The contract amounts reflect the extent of the involvement the Company has in particular classes of these instruments. Such commitments involve, to varying degrees, elements of credit risk and interest-rate risk in excess of the amount recognized in the consolidated balance sheet. The Company’s exposure to credit loss in the event of non-performance by the counterparty is represented by the contractual amount of the instruments. The Company uses the same policies in making commitments and conditional obligations as it does for on-balance-sheet instruments.

46

BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

Financial instruments with off-balance-sheet risk at the dates indicated follow:

	At March 31, 2015		At December 31, 2014
	(In Thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to originate loans and leases:
Commercial real estate	$	56,739	$	107,179
Commercial	74,264		102,353
Residential mortgage	9,878		20,520
Unadvanced portion of loans and leases	534,040		629,351
Unused lines of credit:
Home equity	249,810		244,603
Other consumer	11,743		10,876
Other commercial	859		728
Unused letters of credit:
Financial standby letters of credit	16,249		16,762
Performance standby letters of credit	10		3,126
Commercial and similar letters of credit	50		50
Back-to-back interest-rate swaps	110,152		109,362

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require the payment of a fee by the customer. Since some of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. The Company evaluates each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if any, is based on management’s credit evaluation of the borrower.

Standby and commercial letters of credit are conditional commitments issued by the Company to guarantee performance of a customer to a third party. These standby and commercial letters of credit are primarily issued to support the financing needs of the Company’s commercial customers. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loans to customers.

The liability for unfunded credit commitments, which is included in other liabilities, was $1.2 million at March 31, 2015 and $1.3 million at December 31, 2014.

From time to time, the Company enters into back-to-back interest rate swaps with commercial customers and third-party financial institutions. These swaps allow the Company to offer long-term fixed-rate commercial loans while mitigating the interest-rate risk of holding those loans. In a back-to-back interest rate swap transaction, the Company lends to a commercial customer on a floating-rate basis and then enters into an interest rate swap with that customer. Concurrently, the Company enters into offsetting swaps with a third-party financial institution, effectively minimizing its net interest-rate risk exposure resulting from such transactions.

The fair value of interest rate swap assets and liabilities is $3.6 million and $3.8 million, respectively, at March 31, 2015. The fair value of interest rate swap assets and liabilities is $2.7 million and $2.7 million, respectively, at December 31, 2014.

Lease Commitments

 The Company leases certain office space under various noncancellable operating leases. These leases have original terms ranging from 5 years to over 20 years. Certain leases contain renewal options and escalation clauses which can increase rental expenses based principally on the consumer price index and fair market rental value provisions.

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BROOKLINE BANCORP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

At and for the Three Months Ended March 31, 2015 and 2014

A summary of future minimum rental payments under such leases at the dates indicated follows:

	Minimum Rental Payments
	(In Thousands)
Remainder of 2015	4,130
Year ending:
2016	5,354
2017	4,831
2018	4,275
2019	3,361
Thereafter	12,266
Total	$	34,217

The leases contain escalation clauses for real estate taxes and other expenditures. Total rental expense was $1.2 million during the three months ended March 31, 2015. There was no lease acceleration expenses during the three months ended March 31, 2015. This compared to rental expense of $2.3 million during the three months ended March 31, 2014, which included $0.8 million in lease acceleration related to a relocation of an operations center and a closure of a branch property.

Legal Proceedings

There are various outstanding legal proceedings in the normal course of business. In the opinion of management, after consulting with legal counsel, the consolidated financial position and results of operations of the Company are not expected to be affected by the outcome of such proceedings.

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

Forward-Looking Statements

Certain statements contained in this Quarterly Report on Form 10-Q that are not historical facts may constitute forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and are intended to be covered by the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements involve risks and uncertainties. These statements, which are based on certain assumptions and describe Brookline Bancorp, Inc.’s (the “Company’s”) future plans, strategies and expectations, can generally be identified by the use of the words “may,” “will,” “should,” “could,” “would,” “plan,” “potential,” “estimate,” “project,” “believe,” “intend,” “anticipate,” “expect,” “target” and similar expressions. These statements include, among others, statements regarding the Company’s intent, belief or expectations with respect to economic conditions, trends affecting the Company’s financial condition or results of operations, and the Company’s exposure to market, liquidity, interest-rate and credit risk.

Forward-looking statements are based on the current assumptions underlying the statements and other information with respect to the beliefs, plans, objectives, goals, expectations, anticipations, estimates and intentions of management and the financial condition, results of operations, future performance and business are only expectations of future results. Although the Company believes that the expectations reflected in the Company’s forward-looking statements are reasonable, the Company’s actual results could differ materially from those projected in the forward-looking statements as a result of, among other factors, adverse conditions in the capital and debt markets; changes in interest rates; competitive pressures from other financial institutions; the effects of weakness in general economic conditions on a national basis or in the local markets in which the Company operates, including changes which adversely affect borrowers’ ability to service and repay their loans and leases; changes in the value of securities and other assets in the Company’s investment portfolio; changes in loan and lease default and charge-off rates; the adequacy of allowances for loan and lease losses; deposit levels necessitating increased borrowing to fund loans and investments; changes in government regulation; the risk that goodwill and intangibles recorded in the Company’s financial statements will become impaired; and changes in assumptions used in making such forward-looking statements, as well as the other risks and uncertainties detailed in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2014 and other filings submitted to the Securities and Exchange Commission. Forward-looking statements speak only as of the date on which they are made. The Company does not undertake any obligation to update any forward-looking statement to reflect circumstances or events that occur after the date the forward-looking statements are made.

Introduction

The Company, a Delaware corporation, operates as a multi-bank holding company for Brookline Bank and its subsidiaries; Bank Rhode Island (“BankRI”) and its subsidiaries; First Ipswich Bank (“First Ipswich” and formerly known as The First National Bank of Ipswich) and its subsidiaries; and Brookline Securities Corp.

As a commercially-focused financial institution with 48 full-service banking offices throughout greater Boston, the north shore of Massachusetts and Rhode Island, the Company, through Brookline Bank, BankRI and First Ipswich (the “Banks”), offers a wide range of commercial, business and retail banking services, including a full complement of cash management products, on-line banking services, consumer and residential loans and investment services, designed to meet the financial needs of small- to mid-sized businesses and individuals throughout central New England. Specialty lending activities include equipment financing primarily in the New York/New Jersey metropolitan area.

The Company focuses its business efforts on profitably growing its commercial lending businesses, both organically and through acquisitions. The Company’s customer focus, multi-bank structure, and risk management are integral to its organic growth strategy and serve to differentiate the Company from its competitors. As full-service financial institutions, the Banks and their subsidiaries focus on the continued acquisition of well-qualified customers, the deepening of long-term banking relationships through a full complement of products and excellent customer service, and strong risk management.

The Company manages the Banks under uniform strategic objectives, with one set of uniform policies consistently applied by one executive management team. Within this environment, the Company believes that the ability to make customer decisions locally, enhances management's motivation, service levels and, as a consequence, the Company's financial results. As such, while most back-office functions are consolidated at the holding company level, branding and decision-making, including credit decisioning and pricing, remain largely local in order to better meet the needs of bank customers and further motivate the Banks’ commercial, business and retail bankers.

49

The Company and the Banks are supervised, examined and regulated by the Board of Governors of the Federal Reserve System (“FRB”). As Massachusetts-chartered banks, Brookline Bank and First Ipswich are also subject to regulation under the laws of the Commonwealth of Massachusetts and the jurisdiction of the Massachusetts Division of Banks. As a Rhode Island-chartered bank, BankRI is also subject to regulation under the laws of the State of Rhode Island and the jurisdiction of the Banking Division of the Rhode Island Department of Business Regulation. The Federal Deposit Insurance Corporation ("FDIC") continues to insure each of the Banks’ deposits up to $250,000 per depositor. Additionally, as a Massachusetts-chartered savings bank, Brookline Bank is also insured by the Depositors Insurance Fund (“DIF”), a private industry-sponsored company. The DIF insures savings bank deposits in excess of the FDIC insurance limits. As such, Brookline Bank offers 100% insurance on all deposits as a result of a combination of insurance from the FDIC and the DIF.

The Company’s common stock is traded on the Nasdaq Global Select Market^SM under the symbol “BRKL.”

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Selected Financial Data

The following is based in part on, and should be read in conjunction with, the consolidated financial statements and accompanying notes, and other information appearing elsewhere in this Form 10-Q.

	At and for the Three Months Ended
	March 31,			December 31,			September 30,			June 30,			March 31,
	2015			2014			2014			2014			2014
	(Dollars in Thousands, Except Per Share Data)
PER COMMON SHARE DATA
Earnings per share — Basic*	$	0.17		$	0.16		$	0.17		$	0.15		$	0.15
Book value per share (end of period)*	9.30			9.16			9.05			8.99			8.89
Tangible book value per share (end of period) (1)*	7.15			7.00			6.87			6.80			6.69
Dividends paid per common share	0.085			0.085			0.085			0.085			0.085
Stock price (end of period)	10.05			10.03			8.55			9.37			9.42
PERFORMANCE RATIOS (2)
Net interest margin (taxable equivalent basis)	3.57		%	3.50		%	3.54		%	3.63		%	3.87		%
Return on average assets*	0.80		%	0.76		%	0.83		%	0.74		%	0.79		%
Return on average tangible assets (1)*	0.82		%	0.78		%	0.85		%	0.76		%	0.81		%
Return on average stockholders’ equity*	7.22		%	6.79		%	7.41		%	6.46		%	6.78		%
Return on average tangible stockholders' equity (1)*	9.41		%	8.90		%	9.77		%	8.56		%	9.01		%
Dividend payout ratio (1)*	51.05		%	54.93		%	50.89		%	58.87		%	56.57		%
Efficiency ratio (3)*	59.11		%	62.27		%	59.64		%	62.11		%	62.92		%
ASSET QUALITY RATIOS
Net loan and lease charge-offs as a percentage of average loans and leases (annualized)	0.07		%	0.07		%	0.07		%	0.06		%	0.06		%
Nonperforming loans and leases as a percentage of total loans and leases	0.49		%	0.28		%	0.37		%	0.37		%	0.41		%
Nonperforming assets as a percentage of total assets*	0.43		%	0.26		%	0.35		%	0.33		%	0.36		%
Total allowance for loan and lease losses as a percentage of total loans and leases	1.19		%	1.11		%	1.12		%	1.12		%	1.13		%
Allowance for loan and lease losses related to originated loans and leases as a percentage of originated loans and leases (1)	1.28		%	1.20		%	1.26		%	1.31		%	1.33		%
CAPITAL RATIOS
Stockholders’ equity to total assets*	11.32		%	11.06		%	11.08		%	11.25		%	11.47		%
Tangible equity ratio (1)*	8.93		%	8.68		%	8.64		%	8.75		%	8.88		%
FINANCIAL CONDITION DATA
Total assets*	$	5,755,146		$	5,800,948		$	5,718,944		$	5,588,306		$	5,419,450
Total loans and leases	4,634,594			4,822,607			4,736,028			4,603,913			4,461,997
Allowance for loan and lease losses	55,106			53,659			52,822			51,686			50,224
Goodwill and identified intangible assets	150,696			151,434			152,261			153,089			153,916
Total deposits	4,114,795			3,958,106			3,889,204			3,861,147			3,847,650
Total borrowed funds	924,925			1,126,404			1,132,865			1,041,004			892,016
Stockholders’ equity*	651,319			641,818			633,379			628,483			621,464
EARNINGS DATA
Net interest income	$	48,528		$	47,576		$	47,324		$	46,434		$	47,734
Provision for credit losses	2,263			1,724			2,034			2,276			2,443
Non-interest income*	4,470			4,541			6,189			3,822			5,628
Non-interest expense	31,326			32,455			31,914			31,215			33,576
Net income*	11,703			10,875			11,740			10,131			10,542

(1) Refer to Non-GAAP Financial Measures and Reconciliations to GAAP.

(2) All performance ratios are annualized and are based on average balance sheet amounts, where applicable.

(3) Efficiency ratio is calculated by dividing non-interest expense by the sum of non-interest income and net interest income.

(*) Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

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Executive Overview

Growth

Total assets of $5.8 billion at March 31, 2015decreased$45.8 million, or 3.2%, on an annualized basis, from December 31, 2014. The decrease was driven by the sale of the indirect automobile portfolio during the first quarter of 2015.

The loan and lease portfolio decreased$188.0 million, or 15.6% on an annualized basis, to $4.6 billion at March 31, 2015 from $4.8 billion at December 31, 2014. The Company’s commercial loan portfolios, which are comprised of commercial real estate loans and commercial loans and leases, continued to exhibit growth. The Company’s commercial loan portfolios, which totaled $3.7 billion, or 80.4% of total loans and leases, at March 31, 2015, increased$93.3 million, or 10.3% on an annualized basis, from $3.6 billion, or 75.4% of total loans and leases, at December 31, 2014. Loan growth in the Company’s commercial loan portfolios was offset by the sale of over 90% of the indirect automobile portfolio, or $255.2 million, during the same period.

Total deposits of $4.1 billion at March 31, 2015increased slightly from December 31, 2014. Core deposits, defined as the sum of demand checking, NOW, money market, and savings accounts, increased at a 6.9% annualized rate during the first three months of 2015.

Asset Quality

The ratio of the allowance for loan and lease losses to total loans and leases was 1.19% at March 31, 2015, compared to 1.11% at December 31, 2014. The allowance for loan and lease losses related to originated loans and leases as a percentage of total originated loans and leases was 1.28% at March 31, 2015, compared to 1.20% at December 31, 2014. The Company continued to employ its historical underwriting methodology throughout the three-month period ended March 31, 2015.

Nonperforming assets at March 31, 2015 totaled $24.8 million, or 0.43% of total assets, as compared with $15.2 million, or 0.26% of total assets, at December 31, 2014. Net charge-offs for the three months ended March 31, 2015 were $0.9 million, or 0.07% annualized of average loans and leases, compared to $0.7 million, or 0.06% annualized, for the three months ended March 31, 2014.

Capital Strength

The Company is a well-capitalized bank holding company as defined for purposes of the Federal Reserve Board's Regulation Y. The Company's Common equity tier 1 capital ratio was 10.98% at March 31, 2015. The Company’s Tier 1 leverage ratio was 9.16% at March 31, 2015, compared to 9.01% at December 31, 2014. Tier 1 risk-based ratio was 11.26% at March 31, 2015, compared to 10.55% at December 31, 2014. Total risk-based ratio was 14.05% at March 31, 2015, compared to 13.24% at December 31, 2014. The Company's ratio of stockholders’ equity to total assets was 11.32% and 11.06% at March 31, 2015 and December 31, 2014, respectively. The Company's tangible equity ratio was 8.93% and 8.68% at March 31, 2015 and December 31, 2014, respectively.

Net Income

For the three months ended March 31, 2015, the Company reported net income of $11.7 million, or $0.17 per basic and diluted share, up$1.2 million, or 11.0%, from $10.5 million, or $0.15 per basic share, for the three months ended March 31, 2014. This increase in net income is primarily the result of an increase in net interest income of $0.8 million, a decrease in the provision for credit losses of $0.2 million, a decrease in non-interest expense of $2.3 million, offset by a decrease in non-interest income of $1.2 million and an increase in provision for income taxes of $0.7 million. Refer to “Results of Operations" below for further discussion.

The annualized return on average assets was 0.80% and 0.79% for the three months endedMarch 31, 2015 and March 31, 2014, respectively. The annualized return on average stockholders’ equity was 7.22% and 6.78% for the three months endedMarch 31, 2015 and March 31, 2014, respectively.

Net interest margin was 3.57% for the three months endedMarch 31, 2015, compared to 3.87% for the three months endedMarch 31, 2014. The decrease in the net interest margin in a highly competitive and declining interest rate environment is, in

part, a result of a decrease in the yield on interest-earning assets by 26 basis points to 4.11% for the three months endedMarch 31, 2015 from 4.37% for the three months ended March 31, 2014 and an increase of 3 basis points in the Company's overall cost of funds to 0.63% for the three months endedMarch 31, 2015 from 0.60% for the three months ended March 31, 2014. The decrease in the yield on interest-earning assets was largely due to continued rate pressures on the commercial real

52

estate portfolio. Despite the strength of the Company's net interest margin, competitive pricing pressure in all loan categories and the continuation of a low interest-rate environment, along with the Company's diminishing ability to reduce its cost of funds, continues to place significant pressure on the Company's net interest margin and net interest income.

Critical Accounting Policies

The SEC defines “critical accounting policies” as those involving significant judgments and difficult or complex assumptions by management, often as a result of the need to make estimates about matters that are inherently uncertain or variable, which have, or could have, a material impact on the carrying value of certain assets or net income. The preparation of financial statements in accordance with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, income and expenses, and disclosure of contingent assets and liabilities. Actual results could differ from those estimates. As discussed in the Company’s 2014 Annual Report on Form 10-K, management has identified the valuation of available-for-sale securities, accounting for assets and liabilities acquired, the determination of the allowance for loan and lease losses, the review of goodwill and intangibles for impairment, and income tax accounting as the Company’s most critical accounting policies.

Non-GAAP Financial Measures and Reconciliations to GAAP

In addition to evaluating the Company’s results of operations in accordance with GAAP, management periodically supplements this evaluation with an analysis of certain non-GAAP financial measures, such as the return on tangible assets or equity, the tangible equity ratio, tangible book value per share, dividend payout ratio and the ratio of the allowance for loan and lease losses related to originated loans and leases as a percentage of originated loans and leases. Management believes that these non-GAAP financial measures provide information useful to investors in understanding the Company’s underlying operating performance and trends, and facilitates comparisons with the performance assessment of financial performance, including non-interest expense control, while the tangible equity ratio and tangible book value per share are used to analyze the relative strength of the Company’s capital position

The following table summarizes the Company’s return on average tangible assets and return on average tangible stockholders’ equity:

	Three Months Ended
	March 31, 2015			December 31, 2014			September 30, 2014			June 30, 2014			March 31, 2014
	(Dollars in Thousands)
Net income, as reported*	$	11,703		$	10,875		$	11,740		$	10,131		$	10,542
Average total assets*	$	5,852,114		$	5,757,715		$	5,654,792		5,474,193			5,362,322
Less: Average goodwill and average identified intangible assets, net	151,125			151,932			152,755			153,577			154,447
Average tangible assets*	$	5,700,989		$	5,605,783		$	5,502,037		$	5,320,616		$	5,207,875
Return on average tangible assets (annualized)*	0.82		%	0.78		%	0.85		%	0.76		%	0.81		%
Average total stockholders’ equity*	$	648,683		$	640,706		$	633,406		627,114			622,369
Less: Average goodwill and average identified intangible assets, net	151,125			151,932			152,755			153,577			154,447
Average tangible stockholders’ equity*	$	497,558		$	488,774		$	480,651		$	473,537		$	467,922
Return on average tangible stockholders’ equity (annualized)*	9.41		%	8.90		%	9.77		%	8.56		%	9.01		%
(*) Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

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The following tables summarize the Company’s tangible equity ratio and tangible book value per share at the dates indicated:

	Three Months Ended
	March 31, 2015			December 31, 2014			September 30, 2014			June 30, 2014			March 31, 2014
	(Dollars in Thousands)
Total stockholders’ equity*	$	651,319		$	641,818		$	633,379		$	628,483		$	621,464
Less: Goodwill and identified intangible assets, net	150,696			151,434			152,261			153,089			153,916
Tangible stockholders’ equity*	$	500,623		$	490,384		$	481,118		$	475,394		$	467,548
Total assets*	$	5,755,146		$	5,800,948		$	5,718,944		$	5,588,306		$	5,419,450
Less: Goodwill and identified intangible assets, net	150,696			151,434			152,261			153,089			153,916
Tangible assets*	$	5,604,450		$	5,649,514		$	5,566,683		$	5,435,217		$	5,265,534
Tangible equity ratio*	8.93		%	8.68		%	8.64		%	8.75		%	8.88		%
(*) Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

	Three Months Ended
	March 31, 2015		December 31, 2014		September 30, 2014		June 30, 2014		March 31, 2014
	(Dollars In Thousands, Except Share Data)
Tangible stockholders’ equity*	$	500,623	$	490,384	$	481,118	$	475,394	$	467,548
Common shares issued	75,744,445		75,744,445		75,744,445		75,744,445		75,744,445
Less: Common shares classified as treasury shares	5,042,238		5,040,571		5,035,956		5,144,807		5,171,985
Less: Unallocated ESOP shares	241,803		251,382		261,453		271,524		281,595
Less: Unvested restricted shares	418,035		419,702		427,952		434,459		408,651
Common shares outstanding	70,042,369		70,032,790		70,019,084		69,893,655		69,882,214
Tangible book value per share*	$	7.15	$	7.00	$	6.87	$	6.80	$	6.69
(*) Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

The following table summarizes the Company’s dividend payout ratio:

	Three Months Ended
	March 31, 2015			December 31, 2014			September 30, 2014			June 30, 2014			March 31, 2014
	(Dollars in Thousands)
Dividends paid	$	5,974		$	5,974		$	5,974		$	5,964		$	5,964
Net income, as reported*	$	11,703		$	10,875		$	11,740		$	10,131		$	10,542
Dividend payout ratio*	51.05		%	54.93		%	50.89		%	58.87		%	56.57		%
(*) Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

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The following table summarizes the Company’s allowance for loan and lease losses related to originated loans and leases as a percentage of total originated loans and lease:

	Three Months Ended
	March 31, 2015			December 31, 2014			September 30, 2014			June 30, 2014			March 31, 2014
	(Dollars in Thousands)
Allowance for loan and lease losses	$	55,106		$	53,659		$	52,822		$	51,686		$	50,224
Less: Allowance for acquired loan and lease losses	2,911			2,848			1,933			1,247			1,403
Allowance for originated loan and lease losses	$	52,195		$	50,811		$	50,889		$	50,439		$	48,821
Total loans and leases	$	4,634,594		$	4,822,607		$	4,736,028		$	4,603,913		$	4,461,997
Less: Total acquired loans and leases	561,103			590,654			709,404			747,106			779,747
Total originated loans and leases	$	4,073,491		$	4,231,953		$	4,026,624		$	3,856,807		$	3,682,250
Allowance for loan and lease losses related to originated loans and leases as a percentage of originated loans and leases	1.28		%	1.20		%	1.26		%	1.31		%	1.33		%

Financial Condition

Loans and Leases

The following table summarizes the Company’s portfolio of loans and leases receivable at the dates indicated:

	At March 31, 2015					At December 31, 2014
	Balance			Percent of Total		Balance			Percent of Total
	(Dollars in Thousands)
Commercial real estate loans:
Commercial real estate mortgage	$	1,714,140		37.0	%	$	1,680,082		34.8	%
Multi-family mortgage	652,500			14.1	%	639,706			13.2	%
Construction	134,247			2.9	%	148,013			3.1	%
Total commercial real estate loans	2,500,887			54.0	%	2,467,801			51.1	%
Commercial loans and leases:
Commercial	560,344			12.1	%	514,077			10.7	%
Equipment financing	614,301			13.3	%	601,424			12.5	%
Condominium association	52,707			1.1	%	51,593			1.1	%
Total commercial loans and leases	1,227,352			26.5	%	1,167,094			24.3	%
Indirect automobile	23,335			0.5	%	316,987			6.6	%
Consumer loans:
Residential mortgage	578,994			12.5	%	571,920			11.9	%
Home equity	292,198			6.3	%	287,058			5.9	%
Other consumer	11,828			0.3	%	11,747			0.2	%
Total consumer loans	883,020			19.1	%	870,725			18.0	%
Total loans and leases	4,634,594			100.0	%	4,822,607			100.0	%
Allowance for loan and lease losses	(55,106		)			(53,659		)
Net loans and leases	$	4,579,488				$	4,768,948

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The following table sets forth the growth (decline) in the Company’s loan and lease portfolios during the three months endedMarch 31, 2015:

	At March 31, 2015		At December 31, 2014		Dollar Change			Percent Change (Annualized)
	(Dollars in Thousands)
Commercial real estate	$	2,500,887	$	2,467,801	$	33,086		5.4	%
Commercial	1,227,352		1,167,094		60,258			20.7	%
Indirect automobile	23,335		316,987		(293,652		)	N/A
Consumer	883,020		870,725		12,295			5.6	%
Total loans and leases	$	4,634,594	$	4,822,607	$	(188,013	)	-15.6	%

N/A - annualized percent change not meaningful

The Company’s loan portfolio consists primarily of first mortgage loans secured by commercial, multi-family and residential real estate properties located in the Company’s primary lending area, indirect automobile loans, loans to business entities, including commercial lines of credit, loans to condominium associations and loans and leases used to finance equipment used by small businesses. The Company also provides financing for construction and development projects, home equity and other consumer loans.

The Company employs seasoned commercial lenders and retail bankers who rely on community and business contacts as well as referrals from customers, attorneys and other professionals to generate loans and deposits. Existing borrowers are also an important source of business since many of them have more than one loan outstanding with the Company. The Company’s ability to originate loans depends on the strength of the economy, trends in interest rates, and levels of customer demand and market competition.

Commercial Real Estate Loans

The commercial real estate portfolio is composed of commercial real estate mortgage loans, multi-family mortgage loans, and construction loans and is the largest component of the Company’s overall loan portfolio, representing 54.0% of total loans and leases outstanding at March 31, 2015. For the commercial real estate portfolio, the Company focuses on making loans in the $3 million to $10 million range.

Typically, commercial real estate loans are larger in size and involve a greater degree of risk than owner-occupied residential mortgage loans. Loan repayment is usually dependent on the successful operation and management of the properties and the value of the properties securing the loans. Economic conditions can greatly affect cash flows and property values.

A number of factors are considered in originating commercial real estate and multi-family mortgage loans. The qualifications and financial condition of the borrower (including credit history), as well as the potential income generation and the value and condition of the underlying property, are evaluated. When evaluating the qualifications of the borrower, the Company considers the financial resources of the borrower, the borrower’s experience in owning or managing similar property and the borrower’s payment history with the Company and other financial institutions. Factors considered in evaluating the underlying property include the net operating income of the mortgaged premises before debt service and depreciation, the debt service coverage ratio (the ratio of cash flow before debt service to debt service), the use of conservative capitalization rates, and the ratio of the loan amount to the appraised value. Generally, personal guarantees are obtained from commercial real estate loan borrowers.

Commercial real estate and multi-family mortgage loans are typically originated for terms of five years with amortization periods of 20 to 30 years. Many of the loans are priced at inception on a fixed-rate basis generally for periods ranging from two to five years with repricing periods for longer-term loans. When possible, prepayment penalties are included in loan covenants on these loans. For commercial customers who are interested in loans with terms longer than five years, the Company offers interest rate swaps to accommodate customer need.

The Company's urban and suburban market area is characterized by a large number of apartment buildings, condominiums and office buildings. As a result, multi-family and commercial real estate mortgage lending has been a significant part of the Company's activities for many years. These types of loans typically generate higher yields, but also involve greater credit risk. Many of the Company's borrowers have more than one multi-family or commercial real estate loan outstanding with the Company.

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Over 98% of the commercial real estate loans outstanding at March 31, 2015 were secured by properties located in New England. The commercial real estate portfolio at that date was composed primarily of loans secured by apartment buildings ($684.2 million), office buildings ($586.2 million), retail stores ($468.9 million), industrial properties ($280.2 million) and mixed-use properties ($195.4 million).

Construction and development financing is generally considered to involve a higher degree of risk than long-term financing on improved, occupied real estate and thus has higher concentration limits than do other commercial credit classes. Risk of loss on a construction loan is largely dependent upon the accuracy of the initial estimate of construction costs, the estimated time to sell or rent the completed property at an adequate price or rate of occupancy, and market conditions. If the estimates and projections prove to be inaccurate, the Company may be confronted with a project which, upon completion, has a value that is insufficient to assure full loan repayment.

Criteria applied in underwriting construction loans for which the primary source of repayment is the sale of the property are different from the criteria applied in underwriting construction loans for which the primary source of repayment is the stabilized cash flow from the completed project. For those loans where the primary source of repayment is from resale of the property, in addition to the normal credit analysis performed for other loans, the Company also analyzes project costs, the attractiveness of the property in relation to the market in which it is located and demand within the market area. For those construction loans where the source of repayment is the stabilized cash flow from the completed project, the Company analyzes not only project costs but also how long it might take to achieve satisfactory occupancy and the reasonableness of projected rental rates in relation to market rental rates.

Commercial Loans and Leases

The commercial loan and lease portfolio is composed of commercial loans, equipment financing loans and leases and condominium association loans and represented 26.5% of total loans outstanding at March 31, 2015. The Company focuses on making commercial loans in the $1 million to $10 million range.

The Company provides commercial banking services to companies in its market area. Approximately 52% of the commercial loans outstanding at March 31, 2015 were made to borrowers located in New England. Approximately 17% of the outstanding balances were made to borrowers in New York and New Jersey by the Company's equipment financing divisions. The remaining 31% of the commercial loans outstanding were made to borrowers in other areas in the United States of America. Product offerings include lines of credit, term loans, letters of credit, deposit services and cash management. These types of credit facilities have as their primary source of repayment cash flows from the operations of a business. Interest rates offered are available on a floating basis tied to the prime rate or a similar index or on a fixed-rate basis referenced on the Federal Home Loan Bank of Boston (“FHLBB”) index.

Credit extensions are made to established businesses on the basis of loan purpose and assessment of capacity to repay as determined by an analysis of their financial statements, the nature of collateral to secure the credit extension and, in most instances, the personal guarantee of the owner of the business as well as industry and general economic conditions. The Company also participates in U.S. Government programs such as the Small Business Administration (“SBA”) in both the 7A program and as an SBA preferred lender.

The Company’s equipment financing divisions focus on market niches in which its lenders have deep experience and industry contacts, and on making loans to customers with business experience. An important part of the Company’s equipment financing loan origination volume comes from equipment manufacturers and existing customers as they expand their operations. The equipment financing portfolio is composed primarily of loans to finance laundry, tow trucks, fitness, dry

cleaning and convenience store equipment. The borrowers are located primarily in the greater New York/New Jersey metropolitan area, although the customer base extends to locations throughout the United States. Typically, the loans are priced at a fixed rate of interest and require monthly payments over their three- to seven-year life. The yields earned on equipment financing loans are higher than those earned on the commercial loans made by the Banks because they involve a higher degree of credit risk. Equipment financing customers are typically small-business owners who operate with limited financial resources and who face greater risks when the economy weakens or unforeseen adverse events arise. Because of these characteristics, personal guarantees of borrowers are usually obtained along with liens on available assets. The Company focuses on making equipment financing loans and leases in the $100,000 to $500,000 range. The size of loan is determined by an analysis of cash flow and other characteristics pertaining to the business and the equipment to be financed, based on detailed revenue and profitability data of similar operations.

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Loans to condominium associations are for the purpose of funding capital improvements, are made for five- to ten-year terms and are secured by a general assignment of condominium association revenues. Among the factors considered in the underwriting of such loans are the level of owner occupancy, the financial condition and history of the condominium association, the attractiveness of the property in relation to the market in which it is located and the reasonableness of estimates of the cost of capital improvements to be made. Depending on loan size, funds are advanced as capital improvements are made and, in more complex situations, after completion of engineering inspections.

Indirect Automobile Loans

The indirect automobile loan portfolio represented 0.5% of total loans outstanding at March 31, 2015. Loans outstanding in the portfolio totaled $23.3 million at March 31, 2015, down from $317.0 million at December 31, 2014. In December 2014, the Company ceased the origination of indirect automobile loans. In March 2015, the Company sold $255.2 million of the indirect automobile loan portfolio. As of March 31, 2015 the Company continues to service the remaining portfolio.

Indirect automobile loans were made for the purchase of automobiles (both new and used) and light-duty trucks primarily by individuals, but also by corporations and other organizations. The loans were originated through over 200 dealerships located primarily in Massachusetts, but also in Connecticut, Rhode Island and New Hampshire. Dealer relationships are reviewed periodically for application quality, the ratio of loans approved to applications submitted and loan performance.

The Company’s indirect automobile loan policy limited origination of loans with credit scores of 660 or below to 5% of monthly indirect loan originations. At March 31, 2015, loans with credit scores of 660 or below were 7.6% of loans outstanding. The average-dollar original weighted credit score of loans in the portfolio at that date was 728. All loans required the purchase of single interest insurance by the borrower. The insurance was designed to protect the Company from loss when a loan is in default and the collateral value is impaired due to vehicle damage or the Company is unable to take possession of the vehicle.

Competition for the indirect automobile loans had increased significantly as credit unions and large national banks entered indirect automobile lending in a search for additional sources of income. That competition drove interest rates down and, in some cases, changed the manner in which interest rates were developed, from including a dealer-shared spread to imposing a dealer-based fee to originate the loan. Given this market condition, management ceased the Company's origination of indirect automobile loans in December 2014 and sold over 90% of the portfolio for $255.2 million in March 2015.

Consumer Loans

The consumer loan portfolio is composed of residential mortgage loans, home equity loans and lines of credit and other consumer loans and represented 19.1% of total loans outstanding at March 31, 2015. The Company focuses its mortgage loans on existing and new customers within its branch networks in its urban and suburban marketplaces in the greater Boston and Providence metropolitan areas.

The Company originates adjustable- and fixed-rate residential mortgage loans secured by one- to four-family residences. Each residential mortgage loan granted is subject to a satisfactorily completed application, employment verification, credit history and a demonstrated ability to repay the debt. Generally, loans are not made when the loan-to-value ratio exceeds 80% unless private mortgage insurance is obtained and/or there is a financially strong guarantor. Appraisals are performed by outside independent fee appraisers.

In general, the Company maintains three-, five- and seven-year adjustable-rate mortgage loans and ten-year fixed-rate fully amortizing mortgage loans in its portfolio. Fixed-rate mortgage loans with maturities beyond ten years, such as 15- and 30-year fixed-rate mortgages, are not generally maintained in the Company’s portfolio but are, rather, sold into the secondary market on a servicing-released basis. At March 31, 2015, the Banks acted as correspondent banks in these secondary-market transactions. Loan sales in the secondary market provide funds for additional lending and other banking activities.

Underwriting guidelines for home equity loans and lines of credit are similar to those for residential mortgage loans. Home equity loans and lines of credit are limited to no more than 80% of the appraised value of the property securing the loan including the amount of any existing first mortgage liens.

Other consumer loans have historically been a modest part of the Company’s loan originations. At March 31, 2015, originated other consumer loans equaled $11.7 million or 0.3% of total originated loans outstanding at that date. Equity and debt securities were pledged as collateral for a substantial part of the total of those loans.

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Asset Quality

Criticized and Classified Assets

The Company’s management negatively rates certain loans and leases as “other asset especially mentioned ("OAEM"),” “substandard” or “doubtful” based on criteria established under banking regulations. These loans and leases are collectively referred to as “criticized” assets. Loans and leases rated OAEM have potential weaknesses that deserve management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects of the loan or lease at some future date. Loans and leases rated as substandard are inadequately protected by the payment capacity of the obligor or of the collateral pledged, if any. Substandard loans and leases have a well-defined weakness or weaknesses that jeopardize the liquidation of debt and are characterized by the distinct possibility that the Company will sustain some loss if existing deficiencies are not corrected. At March 31, 2015, the Company had $62.3 million of total assets, including acquired assets, that were designated as criticized. This compares to $71.4 million of assets that were designated as criticized at December 31, 2014. See Note 5, “Allowance for Loan and Lease Losses,” to the unaudited consolidated financial statements for more information on the Company’s risk-rating system.

Nonperforming Assets

“Nonperforming assets” consist of nonperforming loans and leases, other real estate owned (“OREO”) and other repossessed assets. Under certain circumstances, the Company may restructure the terms of a loan or lease as a concession to a borrower, except for acquired loans and leases which are individually evaluated against expected performance on the date of acquisition. These restructured loans and leases are generally considered “nonperforming loans and leases” until a history of collection of at least six months on the restructured terms of the loan or lease has been established. OREO consists of real estate acquired through foreclosure proceedings and real estate acquired through acceptance of a deed in lieu of foreclosure. Other repossessed assets consist of assets that have been acquired through foreclosure that are not real estate and are included in other assets on the Company’s unaudited consolidated balance sheets.

The following table sets forth information regarding nonperforming assets at the dates indicated:

	At March 31, 2015			At December 31, 2014
	(Dollars in Thousands)
Nonaccrual loans and leases:
Commercial real estate mortgage	$	3,250		$	1,009
Commercial	12,039			5,196
Equipment financing	2,321			3,223
Indirect automobile	468			645
Residential mortgage	2,632			1,682
Home equity	1,979			1,918
Other consumer	45			41
Total nonaccrual loans and leases	22,734			13,714
OREO	1,043			953
Other repossessed assets	980			503
Total nonperforming assets	$	24,757		$	15,170
Loans and leases past due greater than 90 days and still accruing	$	8,061		$	6,008
Total nonperforming loans and leases as a percentage of total loans and leases	0.49		%	0.28		%
Total nonperforming assets as a percentage of total assets	0.43		%	0.26		%

Total nonperforming assets, which are composed of nonaccrual loans and leases, OREO and other repossessed assets, increased $9.6 million from $15.2 million at December 31, 2014 to $24.8 million at March 31, 2015. The increase was primarily due to one commercial relationship which was downgraded during the quarter, which had an outstanding loan amount of $8.4 million.

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Troubled Debt Restructured Loans and Leases

The following table sets forth information regarding troubled debt restructured loans and leases at the dates indicated:

	At March 31, 2015		At December 31, 2014
	(Dollars in Thousands)
Troubled debt restructurings:
On accrual	$	14,184	$	14,815
On nonaccrual	6,126		5,625
Total troubled debt restructurings	$	20,310	$	20,440

Changes in troubled debt restructured loans and leases were as follows for the periods indicated:

	Three months ended March 31,
	2015			2014
Balance at beginning of period	$	20,440		$	18,348
Additions	2,833			880
Charge-offs	(28		)	(81		)
Repayments	(2,935		)	(656		)
Other reductions (1)	—			(195		)
Balance at end of period	$	20,310		$	18,296

⁽¹⁾ Other reductions include transfers to OREO and change in troubled debt restructuring status.

Allowance for Loan and Lease Losses

The allowance for loan and lease losses consists of general, specific and unallocated allowances and reflects management’s estimate of probable loan and lease losses inherent in the loan portfolio at the balance sheet date. Management uses a consistent and systematic process and methodology to evaluate the adequacy of the allowance for loan and lease losses on a quarterly basis. The allowance is calculated by loan type: commercial real estate loans, commercial loans and leases, indirect automobile loans and consumer loans, each category of which is further segregated. A formula-based credit evaluation approach is applied to each group that is evaluated collectively, primarily by loss factors, which includes estimates of incurred losses over an estimated loss emergence period ("LEP"), assigned to each risk rating by type, coupled with an analysis of certain loans individually evaluated for impairment. Management continuously evaluates and challenges inputs and assumptions in the allowance for loan and lease loss. During the three months endedMarch 31, 2015, management changed the reserve factor for the indirect automobile loans based on a review of the credit metrics of the remaining portfolio. There were no adjustments to the other portfolios during the period.

The process to determine the allowance for loan and lease losses requires management to exercise considerable judgment regarding the risk characteristics of the loan portfolios and the effect of relevant internal and external factors. While management evaluates currently available information in establishing the allowance for loan and lease losses, future adjustments to the allowance for loan and lease losses may be necessary if conditions differ substantially from the assumptions used in making the evaluations. Management performs a comprehensive review of the allowance for loan and lease losses on a quarterly basis. In addition, various regulatory agencies, as an integral part of their examination process, periodically review a financial institution’s allowance for loan and lease losses and carrying amounts of other real estate owned. Such agencies may require the financial institution to recognize additions to the allowance based on their judgments about information available to them at the time of their examination. See Note 5, “Allowance for Loan and Lease Losses,” to the unaudited consolidated financial statements for descriptions of how management determines the balance of the allowance for loan and lease losses for each portfolio and class of loans.

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The following tables present the changes in the allowance for loan and lease losses by portfolio segment for the three months endedMarch 31, 2015 and 2014.

	At and for the Three Months Ended March 31, 2015
	Commercial  Real Estate			Commercial			Indirect  Automobile			Consumer			Unallocated		Total
	(Dollars in Thousands)
Balance at December 31, 2014	$	29,594		$	15,957		$	2,331		$	3,359		$	2,418	$	53,659
Charge-offs	(388		)	(450		)	(820		)	(7		)	—		(1,665		)
Recoveries	—			212			581			18			—		811
Provision (credit) for loan and lease losses	254			3,365			(1,634		)	249			67		2,301
Balance at March 31, 2015	$	29,460		$	19,084		$	458		$	3,619		$	2,485	$	55,106
Total loans and leases	$	2,500,887		$	1,227,352		$	23,335		$	883,020		N/A		$	4,634,594
Allowance for loan and lease losses as a percentage of total loans and leases	1.18		%	1.55		%	1.96		%	0.41		%	N/A		1.19		%

	At and for the Three Months Ended March 31, 2014
	Commercial Real Estate			Commercial			Indirect  Automobile			Consumer			Unallocated		Total
	(Dollars in Thousands)
Balance at December 31, 2013	$	23,022		$	15,220		$	3,924		$	3,375		$	2,932	$	48,473
Charge-offs	—			(551		)	(289		)	(210		)	—		(1,050		)
Recoveries	—			251			104			29			—		384
Provision (credit) for loan and lease losses	1,836			624			(75		)	(84		)	116		2,417
Balance at March 31, 2014	$	24,858		$	15,544		$	3,664		$	3,110		$	3,048	$	50,224
Total loans and leases	$	2,274,475		$	1,011,437		$	373,965		$	802,120		N/A		$	4,461,997
Allowance for loan and lease losses as a percentage of total loans and leases	1.09		%	1.54		%	0.98		%	0.39		%	N/A		1.13		%

The allowance for loan and lease losses was $55.1 million at March 31, 2015, or 1.19% of total loans and leases outstanding. This compared to an allowance for loan and lease losses of $53.7 million, or 1.11% of total loans and leases outstanding at December 31, 2014. The increase in the allowance for loan and lease losses and in the allowance for loan and lease losses as a percentage of total loans and leases from December 31, 2014 to March 31, 2015 is due to a specific reserve recorded for a commercial relationship which was downgraded during the quarter, additional reserves recorded for continued loan growth, partially offset by release of reserves related to the sale of the indirect automobile portfolio.

Commercial Real Estate Loans

The allowance for commercial real estate loan losses was $29.5 million at March 31, 2015, or 1.18% of total commercial real estate loans outstanding. This compared to an allowance for commercial real estate loan losses of $29.6 million, or 1.20% of total commercial real estate loans outstanding at December 31, 2014. Specific reserves on commercial real estate loans was $0.1 million at March 31, 2015 and December 31, 2014. The $0.1 million decrease in the allowance for commercial real estate loan losses during the first three months of 2015 was primarily driven by improved credit quality of the commercial real estate loans despite of loan growth of $33.1 million, or 5.4% on an annualized basis, from December 31, 2014.

The ratio of total criticized and classified commercial real estate loans to total commercial real estate loans decreased to 1.49% at March 31, 2015 from 1.81% at December 31, 2014. The ratio of originated commercial real estate loans on nonaccrual to total originated commercial real estate loans increased to 0.14% at March 31, 2015 from 0.05% at December 31, 2014.

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Net charge-offs in the commercial real estate loan portfolio for the three-month periods ended March 31, 2015 was $0.4 million. As a percentage of average commercial real estate loan portfolios, annualized net charge-offs for the three-month period ended March 31, 2015 was 0.06%. Net charge-offs for the three-month period ended March 31, 2014 were negligible.

Commercial Loans and Leases

The allowance for commercial loan and lease losses was $19.1 million, or 1.55% of total commercial loans and leases outstanding, at March 31, 2015, compared to $16.0 million, or 1.37%, at December 31, 2014.  Specific reserves on commercial loans and leases increased from $1.0 million at December 31, 2014 to $2.7 million at March 31, 2015. The $3.1 million increase in the allowance for commercial loan and lease losses during the first three months of 2015 was primarily driven by deterioration of one relationship in the commercial loans and leases portfolio.

The ratio of total criticized and classified commercial loans and leases to total commercial loans and leases was 2.04% at March 31, 2015 as compared to 2.28% at December 31, 2014. The ratio of originated commercial loans and leases on nonaccrual to total originated commercial loans and leases increased to 0.95% at March 31, 2015 from 0.54% at December 31, 2014.

Net charge-offs in the commercial loan and lease portfolio for the three-month periods ended March 31, 2015 and March 31, 2014 were $0.2 million and $0.3 million, respectively. As a percentage of average commercial loans and leases, annualized net charge-offs for the three-month periods ended March 31, 2015 and March 31, 2014 were 0.08% and 0.12%, respectively.

Indirect Automobile Loans

The allowance for indirect automobile loan losses was $0.5 million, or 1.96% of total indirect automobile loans outstanding, at March 31, 2015, compared to $2.3 million, or 0.74% of the indirect automobile portfolio outstanding, at December 31, 2014.  The $1.9 million decrease in the allowance for indirect automobile loan losses was primarily a result of the sale of the indirect automobile portfolio. The loans outstanding decreased $293.7 million from $317.0 million at December 31, 2014 to $23.3 million at March 31, 2015. The allowance ratio increased due to a change in the reserve factor for the indirect automobile loans based on a review of the credit metrics of the remaining portfolio. There were no loans individually evaluated for impairment in the indirect automobile portfolio at March 31, 2015 and December 31, 2014.

The ratio of indirect automobile loans with borrower credit scores below 660 to the total indirect automobile portfolio increased to 7.6% at March 31, 2015 from 3.1% at December 31, 2014. The ratio of indirect automobile loans on nonaccrual to total indirect automobile loans increased to 2.01% at March 31, 2015 compared to 0.2% at December 31, 2014.

Net charge-offs in the indirect automobile portfolio for the three-month periods ended March 31, 2015 and 2014 were constant at $0.2 million. As a percentage of average loans and leases, annualized net charge-offs for the three-month periods ended March 31, 2015 and March 31, 2014 were 0.34% and 0.19% respectively.

Consumer Loans

The allowance for consumer loan losses, including residential loans and home equity loans and lines of credit, was $3.6 million, or 0.41% of total consumer loans and leases outstanding, at March 31, 2015, compared to $3.4 million or 0.39% at December 31, 2014. There was nominal reserve for consumer loans individually evaluated for impairment at March 31, 2015 and December 31, 2014. The $0.2 million increase in the allowance for consumer loans during the first three months of 2015 was primarily driven by loan growth of $12.3 million, or 5.6%, on an annualized basis, from December 31, 2014. The ratio of originated consumer loans on nonaccrual to total originated consumer loans increased to 0.37% at March 31, 2015 from 0.23% at December 31, 2014.  The risk of loss on a home equity loan is higher since the property securing the loan has often been previously pledged as collateral for a first mortgage loan. The Company gathers and analyzes delinquency data, to the extent that data are available on these first liens, for purposes of assessing the collectability of the second liens held for the Company even if these home equity loans are not delinquent. This data are further analyzed for performance differences between amortizing and non-amortizing home equity loans, the percentage borrowed to total loan commitment and by the amount of payments made by the borrowers. The exposure to loss is not considered to be high due to the combination of current property values, the historically low loan-to-value ratios, the low level of losses experienced in the past few years and the low level of loan delinquencies at March 31, 2015. If the local economy weakens, however, a rise in losses in those loan classes could occur. Historically, losses in these classes have been low.

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Net charge-offs in the consumer portfolio for the three-month periods ended March 31, 2015 and 2014 was nominal and $0.2 million respectively. As a percentage of average consumer loans and leases, annualized net charge-offs for the three-month periods ended March 31, 2015 and March 31, 2014 were negligible and 0.09%, respectively.

Unallocated Allowance

The unallocated allowance recognizes the estimation risk associated with the allocated general and specific allowances, incorporates management’s evaluation of existing conditions that are not included in the allocated allowance determinations and protects against potential losses outside of the ordinary course of business. These conditions are reviewed quarterly by management. Causes of losses outside the normal course of business include, but are not limited to, fraudulently obtained loans where there is no primary or secondary source of repayment; catastrophic and uninsured property loss where collateral is destroyed with no compensation; and legal documentation flaws that compromise security interests in collateral assets or the availability of guarantors. Management reviewed these conditions and adjusted the factors due to the absence of losses outside the normal course of business and improved credit quality.

The unallocated allowance for loan and lease losses was $2.5 million at March 31, 2015, compared to $2.4 million at December 31, 2014.

The following table sets forth the Company’s percent of allowance for loan and lease losses to the total allowance for loan and lease losses and the percent of loans to total loans for each of the categories listed at the dates indicated.

	At March 31, 2015						At December 31, 2014
	Amount		Percent of  Allowance to  Total Allowance		Percentof  Loans to  Total Loans		Amount		Percent of  Allowance to  Total Allowance		Percentof  Loans to  Total Loans
	(Dollars in Thousands)
Commercial real estate loans:
Commercial real estate mortgage	$	20,809	37.8	%	37.0	%	$	20,858	38.9	%	34.8	%
Multi-family	5,186		9.4	%	14.1	%	5,057		9.4	%	13.2	%
Construction	3,465		6.3	%	2.9	%	3,679		6.9	%	3.1	%
Total commercial real estate loans	29,460		53.5	%	54.0	%	29,594		55.2	%	51.1	%
Commercial loans and leases:
Commercial	10,076		18.3	%	12.1	%	7,463		13.9	%	10.7	%
Equipment financing	8,618		15.6	%	13.3	%	8,112		15.1	%	12.5	%
Condominium association	390		0.7	%	1.1	%	382		0.7	%	1.1	%
Total commercial loans and leases	19,084		34.6	%	26.5	%	15,957		29.7	%	24.3	%
Indirect automobile	458		0.8	%	0.5	%	2,331		4.3	%	6.6	%
Consumer loans:
Residential mortgage	1,573		2.9	%	12.5	%	1,392		2.6	%	11.9	%
Home equity	1,925		3.5	%	6.3	%	1,846		3.5	%	5.9	%
Other consumer	121		0.2	%	0.3	%	121		0.2	%	0.2	%
Total consumer loans	3,619		6.6	%	19.1	%	3,359		6.3	%	18.0	%
Unallocated	2,485		4.5	%	0.0	%	2,418		4.5	%	0.0	%
Total	$	55,106	100.0	%	100.0	%	$	53,659	100.0	%	100.0	%

Investments

The investment portfolio exists primarily for liquidity purposes, and secondarily as sources of interest and dividend income, interest-rate risk management and tax planning as a counterbalance to loan and deposit flows. Investment securities available-for-sale are utilized as part of the Company’s asset/liability management and may be sold in response to, or in anticipation of, factors such as changes in market conditions and interest rates, security prepayment rates, deposit outflows, liquidity concentrations and regulatory capital requirements.

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The investment policy of the Company, which is reviewed and approved by the Board of Directors on an annual basis, specifies the types of investments that are acceptable, required investment ratings by at least one nationally recognized rating agency, concentration limits and duration guidelines. Compliance with the investment policy is monitored on a regular basis. In general, the Company seeks to maintain a high degree of liquidity and targets cash, cash equivalents and investment securities available-for-sale balances between 10% and 30% of total assets.

Cash, cash equivalents, and investment securities increased approximately $148.7 million, or 96.9% on an annualized basis, to $762.7 million at March 31, 2015 from $614.0 million at December 31, 2014. The increase was primarily driven by the sale of the indirect automobile portfolio, offset by the pay down of FHLBB advances. Cash, cash equivalents, and investment securities were 13.3% of total assets at March 31, 2015, compared to 10.6% of total assets at December 31, 2014.

The following table sets forth certain information regarding the amortized cost and market value of the Company’s investment securities at the dates indicated:

	At March 31, 2015				At December 31, 2014
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(In Thousands)
Investment securities available-for-sale:
Debt securities:
GSEs	$	22,890	$	23,253	$	22,929	$	22,988
GSE CMOs	229,591		227,843		238,910		234,169
GSE MBSs	267,648		271,034		249,329		250,981
SBA commercial loan asset-backed securities	199		197		205		203
Corporate debt obligations	39,829		40,541		39,805		40,207
Trust preferred securities	1,464		1,262		1,463		1,240
Total debt securities	561,621		564,130		552,641		549,788
Marketable equity securities	950		985		947		973
Total investment securities available-for-sale	$	562,571	$	565,115	$	553,588	$	550,761
Investment securities held-to-maturity	$	500	$	500	$	500	$	500

The fair value of investment securities is based principally on market prices and dealer quotes received from third-party, nationally-recognized pricing services for identical investment securities such as U.S. Treasury and agency securities. The Company's marketable equity securities are priced this way and are included in Level 1. These prices are validated by comparing the primary pricing source with an alternative pricing source when available. When quoted market prices for identical securities are unavailable, the Company uses market prices provided by independent pricing services based on recent trading activity and other observable information, including but not limited to market interest-rate curves, referenced credit spreads and estimated prepayment speeds where applicable. These investments include certain U.S. and government agency debt securities, GSE residential MBSs and CMOs, corporate debt securities, SBA commercial loan asset-backed securities, and trust preferred securities, all of which are included in Level 2.

Additionally, Management reviews changes in fair value from period to period and performs testing to ensure that prices received from the third parties are consistent with their expectation of the market. Changes in the prices obtained from the pricing service are analyzed from month to month, taking into consideration changes in market conditions including changes in mortgage spreads, changes in U.S. Treasury security yields and changes in generic pricing of 15-year  and 30-year securities. Additional analysis may include a review of prices provided by other independent parties, a yield analysis, a review of average life changes using Bloomberg analytics and a review of historical pricing for the particular security.

Maturities, calls and principal repayments totaled $20.0 million for the three months endedMarch 31, 2015 compared to $17.0 million for the same period in 2014. During the three months endedMarch 31, 2015, the Company purchased $29.5 million of investment securities available-for-sale and no investment securities held-to-maturity compared to $48.5 million of investment securities available-for-sale and $0.5 million of investment securities held-to-maturity for the same period in 2014. During the three months endedMarch 31, 2015 and March 31, 2014, the Company did not sell any investment securities available-for-sale or held-to-maturity.

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At March 31, 2015, the fair value of all investment securities available-for-sale was $565.1 million, with net unrealized gains of $2.5 million, compared to a fair value of $550.8 million and net unrealized losses of $2.8 million at December 31, 2014. At March 31, 2015, $194.0 million, or 34.3% of the portfolio, had gross unrealized losses of $2.7 million. This compares to $335.7 million, or 60.9% of the portfolio, with gross unrealized losses of $6.0 million at December 31, 2014. The decrease in unrealized losses over the first three months of 2015 was driven by decreases in interest rates.

Management believes that these negative differences between amortized cost and fair value do not include credit losses, but rather differences in interest rates between the time of purchase and the time of measurement. It is more likely than not that the Company will not sell the investment securities before recovery, and, as a result, it will recover the amortized cost basis of the investment securities. As such, management has determined that these investment securities are not other-than-temporarily impaired at March 31, 2015. If market conditions for investment securities worsen or the creditworthiness of the underlying issuers deteriorates, it is possible that the Company may recognize additional other-than-temporary impairments in future periods. For additional discussion on how the Company validates fair values provided by the third-party pricing service, see Note 12, “Fair Value of Financial Instruments.”

Restricted Equity Securities

Federal Reserve Bank Stock

The Company invests in the stock of the Federal Reserve Bank of Boston, as required by the Banks’ membership in the FRB. At March 31, 2015 and December 31, 2014, the Company owned stock in the Federal Reserve Bank of Boston with a carrying value of $16.0 million.

FHLBB Stock

The Company invests in the stock of the FHLBB as one of the requirements to borrow. At March 31, 2015, the Company maintains an excess balance of capital stock of $16.0 million compared to $7.8 million at December 31, 2014, which allows for additional borrowing capacity at each Bank. At March 31, 2015 and December 31, 2014, the Company owned stock in the FHLBB with a carrying value of $58.3 million. The FHLBB stated that it remained in compliance with all regulatory capital ratios at March 31, 2015 and, based on the most recent information available, was classified as “adequately capitalized” by its regulator.

Deposits

The following table presents the Company’s deposit mix at the dates indicated.

	At March 31, 2015						At December 31, 2014
	Amount		Percent of Total		Weighted Average Rate		Amount		Percent of Total		Weighted Average Rate
	(Dollars in Thousands)
Non-interest-bearing accounts	$	729,932	17.7	%	0.00	%	$	726,118	18.3	%	0.00	%
NOW accounts	237,200		5.8	%	0.07	%	235,063		5.9	%	0.07	%
Savings accounts	571,030		13.8	%	0.19	%	531,727		13.4	%	0.21	%
Money market accounts	1,525,053		37.1	%	0.44	%	1,518,490		38.4	%	0.52	%
Certificate of deposit accounts	1,051,580		25.6	%	0.87	%	946,708		23.9	%	0.88	%
Total interest-bearing deposits	3,384,863		82.3	%	0.51	%	3,231,988		81.7	%	0.54	%
Total deposits	$	4,114,795	100.0	%	0.42	%	$	3,958,106	100.0	%	0.44	%

Total deposits increased $156.7 million, or 15.8% on an annualized basis, to $4.1 billion at March 31, 2015 as compared to $4.0 billion at December 31, 2014. Deposits as percentage of total assets increased from 68.2% at December 31, 2014 to 71.5% at March 31, 2015. The increase in deposit percentage is primarily due to the growth in brokered deposits and the pay down of FHLBB advances.

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At March 31, 2015, the Company had $172.9 million of brokered deposits compared to $62.0 million at December 31, 2014. Brokered deposits allow the Company to seek additional funding by attracting deposits from outside the Company's core market. Brokered deposits are included in the certificate of deposit balance, which increased$104.9 million, or 44.3% on an annualized basis, during the first three months of 2015. Certificates of deposit have also increased as a percentage of total deposits to 25.6% at March 31, 2015 from 23.9% at December 31, 2014.

During the first three months of 2015, core deposits increased $51.8 million, or 6.9% on an annualized basis. However, as a percentage of total deposits, the ratio decreased from 76.1% at December 31, 2014 to 74.4% at March 31, 2015, primarily due to the shift in deposit mix and increase in brokered deposits.

The following table sets forth the distribution of the average balances of the Company’s deposit accounts for the periods indicated and the weighted average interest rates on each category of deposits presented. Averages for the periods presented are based on daily balances.

	Three Months Ended March 31,
	2015						2014
	Average Balance		Percent of Total Average Deposits		Weighted Average Rate		Average Balance		Percent of Total Average Deposits		Weighted Average Rate
	(Dollars in Thousands)
Core deposits:
Non-interest-bearing demand checking accounts	$	728,099	17.9	%	0.00	%	$	698,462	18.2	%	0.00	%
NOW accounts	237,718		5.8	%	0.07	%	206,226		5.4	%	0.08	%
Savings accounts	541,595		13.3	%	0.20	%	508,555		13.2	%	0.24	%
Money market accounts	1,536,751		37.7	%	0.48	%	1,505,992		39.1	%	0.53	%
Total core deposits	3,044,163		74.7	%	0.28	%	2,919,235		75.9	%	0.32	%
Certificate of deposit accounts	1,033,511		25.3	%	0.85	%	927,199		24.1	%	0.87	%
Total deposits	$	4,077,674	100.0	%	0.43	%	$	3,846,434	100.0	%	0.45	%

The following table sets forth the maturity periods for certificates of deposit of $100,000 or more deposited with the Company at the dates indicated:

	At March 31, 2015				At December 31, 2014
	Amount		Weighted Average Rate		Amount		Weighted Average Rate
	(Dollars in Thousands)
Maturity period:
Six months or less	$	165,969	0.69	%	$	179,890	0.70	%
Over six months through 12 months	156,703		0.66	%	135,342		0.72	%
Over 12 months	272,921		1.04	%	168,486		1.18	%
	$	595,593	0.84	%	$	483,718	0.87	%

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Borrowed Funds

The following table sets forth certain information regarding FHLBB advances, subordinated debentures and notes and other borrowed funds for the periods indicated:

	Three Months Ended March 31,
	2015			2014
	(Dollars in Thousands)
Average balance outstanding	$	1,061,904		$	842,167
Maximum amount outstanding at any month-end during the period	1,094,459			892,016
Balance outstanding at end of period	924,925			892,016
Weighted average interest rate for the period	1.42		%	1.27		%
Weighted average interest rate at end of period	1.58		%	1.20		%

Advances from the FHLBB

On a long-term basis the Company intends to continue to increase its core deposits. The Company also uses FHLBB borrowings and other wholesale borrowing opportunistically as part of the Company’s overall strategy to fund loan growth and manage interest-rate risk and liquidity. The advances are secured by blanket security agreements which require the Banks to maintain as collateral certain qualifying assets, principally mortgage loans and securities in an aggregate amount at least equal to outstanding advances. The maximum amount that the FHLBB will advance to member institutions, including the Company, fluctuates from time to time in accordance with the policies of the FHLBB. The Company may also borrow from the FRB “discount window” as necessary.

FHLBB borrowings decreased$0.2 billion to $0.8 billion at March 31, 2015 from $1.0 billion at December 31, 2014. The decrease in FHLBB borrowings was primarily due to maturities of advances from the FHLBB.

Repurchase Agreements

The Company periodically enters into repurchase agreements with its larger deposit and commercial customers as part of its cash management services which are typically overnight borrowings. Short-term borrowings and repurchase agreements with Company customers decreased$4.0 million during the three months endedMarch 31, 2015, from $39.6 million at December 31, 2014 to $35.6 million at March 31, 2015, as customers shifted funds into other deposit products.

Subordinated Debentures and Notes

In connection with the acquisition of Bancorp Rhode Island, Inc., the Company assumed three subordinated debentures issued by a subsidiary of Bancorp Rhode Island, Inc. In the first quarter of 2013, the Company repaid $3.0 million in subordinated debt before the scheduled maturity in 2031 given the fixed, high cost of the borrowing.

In the third quarter of 2014, the Company offered $75.0 million of 6.0% fixed-to-floating subordinated notes due September 15, 2029. The Company is obligated to pay 6.0% interest semiannually between September 2014 and September 2024. Subsequently, the Company is obligated to pay 3-month LIBOR plus 3.315% quarterly until the notes mature in September 2029. As of December 31, 2014, the Company capitalized $1.5 million in relation to the issuance of these subordinated notes.

The following table summarizes the Company's subordinated debentures and notes at the dates indicated.

				Carrying Amount at March 31, 2015		Carrying Amount at December 31, 2014
Issue Date	Rate	Maturity Date	Next Call Date
(Dollars in Thousands)
June 26, 2003	Variable; 3-month LIBOR + 3.10%	June 26, 2033	June 26, 2015	$	4,703	$	4,696
March 17, 2004	Variable; 3-month LIBOR + 2.79%	March 17, 2034	June 17, 2015	$	4,554	$	4,543
September 15, 2014	6.0% Fixed-to-Variable; 3-month LIBOR + 3.315%	September 15, 2029	September 15, 2024	$	73,549	$	73,524

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The above carrying amounts of the acquired subordinated debentures included $0.7 million of accretion adjustments and $1.5 million of capitalized debt issuance costs as of March 31, 2015.

Derivative Financial Instruments

The Company has entered into interest-rate swaps with certain of its commercial customers and concurrently enters into offsetting swaps with third-party financial institutions. The Company did not have derivative fair value hedges or derivative cash flow hedges at March 31, 2015 or December 31, 2014. The following table summarizes certain information concerning the Company’s interest-rate swaps at March 31, 2015 and at December 31, 2014:

	Interest-Rate Swaps
	At March 31, 2015			At December 31, 2014
	(Dollars in Thousands)
Notional principal amounts	$	110,152		$	109,362
Fixed weighted average interest rate from the Company to counterparty	4.72		%	4.72		%
Floating weighted average interest rate from counterparty to the Company	3.57		%	3.83		%
Weighted average remaining term to maturity (in months)	98			100
Fair value:
Recognized as an asset	$	3,642		$	2,676
Recognized as a liability	$	3,771		$	2,714

Stockholders’ Equity and Dividends

The Company’s total stockholders’ equity was $651.3 million at March 31, 2015, a $9.5 millionincrease compared to $641.8 million at December 31, 2014. The increase primarily reflects net income attributable to the Company of $11.7 million for the three months endedMarch 31, 2015, an unrealized gain on securities available-for-sale of $3.4 million (after-tax), an increase of $0.3 million related to stock-based compensation, offset by dividends of $6.0 million paid in that same period.

Stockholders’ equity represented 11.32% of total assets at March 31, 2015, as compared to 11.06% at December 31, 2014. Tangible stockholders’ equity (total stockholders’ equity less goodwill and identified intangible assets, net) represented 8.93% of tangible assets (total assets less goodwill and identified intangible assets, net) at March 31, 2015, as compared to 8.68% at December 31, 2014.

For the three months endedMarch 31, 2015, the dividend payout ratio was 51.05%, compared to 54.93% for the three months endedDecember 31, 2014.

Results of Operations — Comparison of the Three-Month Periods Ended March 31, 2015 and March 31, 2014

The primary drivers of the Company’s operating income are net interest income, which is strongly affected by the net yield on interest-earning assets and liabilities (“net interest margin”), the quality of the Company’s assets, its levels of non-interest income and non-interest expense, and its tax provision.

The Company’s net interest income represents the difference between interest income earned on its investments, loans and leases, and its cost of funds. Interest income depends on the amount of interest-earning assets outstanding during the period and the yield earned thereon. Cost of funds is a function of the average amount of deposits and borrowed money outstanding during the period and the interest rates paid thereon. The net interest margin is calculated by dividing net interest income by average interest-earning assets. Net interest spread is the difference between the average rate earned on interest-earning assets and the average rate paid on interest-bearing liabilities. The increases (decreases) in the components of interest income and interest expense, expressed in terms of fluctuation in average volume and rate, are summarized under “Rate/Volume Analysis” below. Information as to the components of interest income, interest expense and average rates is provided under “Average Balances, Net Interest Income, Interest-Rate Spread and Net Interest Margin” below.

Because the Company’s assets and liabilities are not identical in duration and in repricing dates, the differential between the asset and liability repricing and duration is vulnerable to changes in market interest rates as well as the overall shape of the yield curve. These vulnerabilities are inherent to the business of banking and are commonly referred to as “interest-rate risk.” How interest-rate risk is measured and, once measured, how much interest-rate risk is taken is based on numerous assumptions

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and other subjective judgments. See the discussion in “Item 3. Quantitative and Qualitative Disclosures about Market Risk” below.

The quality of the Company’s assets also influences its earnings. Loans and leases that are not paid on a timely basis and exhibit other weaknesses can result in the loss of principal and/or interest income. Additionally, the Company must make timely provisions to the allowance for loan and lease losses based on estimates of probable losses inherent in the loan and lease portfolio. These additions, which are charged against earnings, are necessarily greater when greater probable losses are expected. Further, the Company incurs expenses as a result of resolving troubled assets. These variables reflect the “credit risk” that the Company takes on in the ordinary course of business and are further discussed under “Financial Condition — Asset Quality” above.

Net Interest Income

Net interest income of $48.5 million for the quarter ended March 31, 2015increased$0.8 million, or 1.7%, as compared to the first quarter of 2014. This overall increase was a result of an increase in total interest income of $1.9 million, or 3.5%, to $56.6 million at March 31, 2015 from $54.7 million at March 31, 2014, offset by an increase in interest expense of $1.1 million, or 16.1%, to $8.1 million at March 31, 2015 from $7.0 million at March 31, 2014. Refer to “Results of Operations - Comparison of the Three-Month Period Ended March 31, 2015 and March 31, 2014 — Interest Income” and “Results of Operations - Comparison of the Three-Month Period Ended March 31, 2015 and March 31, 2014 — Interest Expense Deposit and Borrowed Funds” below for more details.

Net interest margin decreased to 3.57% in the first quarter of 2015 from 3.87% in the first quarter of 2014. The decrease in the net interest margin is the result of repricing interest-earning assets in a lower interest rate environment without a comparable offset in lower funding costs.

The yield on interest-earning assets decreased to 4.11% in the first quarter of 2015 from 4.37% during the first quarter of 2014. The decrease is the result of the continued pricing pressure due to the low interest rate environment and the intense competition in most loan categories, as well as a decrease in accretion on acquired loans and leases, offset by a slight increase in prepayment penalties and late charges. During the first quarter of 2015, the Company benefited from a $1.2 million accretion on acquired loans and leases, which contributed 11 basis points to yields on interest-earning assets, compares to $4.2 million, or 34 basis points, in the first quarter of 2014. In addition, the Company recorded a $0.6 million prepayment penalties and late charges, which contributed 5 basis points to yields on interest-earning assets, in the first quarter of 2015, compares to $0.1 million, or 1 basis points, in the first quarter of 2014.

The overall cost of funds (including non-interest-bearing demand checking accounts) increased3 basis points to 0.63% for the three months ended March 31, 2015 from 0.60% for the three months ended March 31, 2014. The increase was driven by the issuance of subordinated notes in September 2014.

Future net interest income, net interest spread and net interest margin may continue to be negatively affected by the low interest-rate environment; ongoing pricing pressures in both loan and deposit portfolios; and the ability of the Company to increase its core deposit ratio, increase its non-interest-bearing deposits as a percentage of total deposits, decrease its loan-to-deposit ratio, or decrease its reliance on FHLBB advances. They may also be negatively affected by changes in the amount of accretion on acquired loans and leases, deposits and borrowed funds included in interest income and interest expense.

Average Balances, Net Interest Income, Interest-Rate Spread and Net Interest Margin

The following tables set forth information about the Company’s average balances, interest income and interest rates earned on average interest-earning assets, interest expense and interest rates paid on average interest-bearing liabilities, interest-rate spread and net interest margin for the three months and three months ended March 31, 2015 and March 31, 2014. Average balances are derived from daily average balances and yields include fees, costs and purchase-accounting-related premiums and discounts which are considered adjustments to coupon yields in accordance with GAAP. Certain amounts previously reported have been reclassified to conform to the current period’s presentation.

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	Three Months Ended
	March 31, 2015							March 31, 2014
	Average Balance			Interest (1)		Average Yield/ Cost		Average Balance			Interest (1)		Average Yield/ Cost
	(Dollars in Thousands)
Assets:
Interest-earning assets:
Debt securities	$	555,558		$	2,683	1.93	%	$	502,598		$	2,263	1.80	%
Marketable and restricted equity securities	74,836			566		3.03	%	66,954			497		2.97	%
Short-term investments	49,841			21		0.17	%	45,834			44		0.38	%
Total investments	680,235			3,270		1.92	%	615,386			2,804		1.82	%
Commercial real estate loans (2)	2,475,950			26,245		4.24	%	2,228,495			25,702		4.61	%
Commercial loans and leases (2)	610,695			6,506		4.26	%	476,455			4,693		3.94	%
Equipment financing (2)	611,309			10,544		6.90	%	522,288			11,037		8.45	%
Indirect automobile loans (2)	282,494			2,142		3.08	%	384,833			3,264		3.44	%
Residential mortgage loans (2)	576,858			5,307		3.68	%	532,593			4,809		3.61	%
Other consumer loans (2)	299,119			2,828		3.83	%	267,204			2,579		3.91	%
Total loans and leases	4,856,425			53,572		4.41	%	4,411,868			52,084		4.72	%
Total interest-earning assets	5,536,660			56,842		4.11	%	5,027,254			54,888		4.37	%
Allowance for loan and lease losses	(54,319		)					(49,087		)
Non-interest-earning assets	369,773							384,155
Total assets	$	5,852,114						$	5,362,322
Liabilities and Stockholders’ Equity:
Interest-bearing liabilities:
Interest-bearing deposits:
NOW accounts	$	237,718		44		0.07	%	$	206,226		41		0.08	%
Savings accounts	541,595			273		0.20	%	508,555			303		0.24	%
Money market accounts	1,536,751			1,816		0.48	%	1,505,992			1,959		0.53	%
Certificates of deposit	1,033,511			2,171		0.85	%	927,199			1,988		0.87	%
Total interest-bearing deposits (3)	3,349,575			4,304		0.52	%	3,147,972			4,291		0.55	%
Advances from the FHLBB	941,314			2,504		1.06	%	803,729			2,531		1.26	%
Subordinated debentures and notes	82,784			1,248		6.03	%	9,170			99		4.32	%
Other borrowed funds	37,806			25		0.26	%	29,268			39		0.54	%
Total borrowed funds	1,061,904			3,777		1.42	%	842,167			2,669		1.27	%
Total interest-bearing liabilities	4,411,479			8,081		0.74	%	3,990,139			6,960		0.71	%
Non-interest-bearing liabilities:
Demand checking accounts (3)	728,099							698,462
Other non-interest-bearing liabilities	59,226							47,103
Total liabilities	5,198,804							4,735,704
Brookline Bancorp, Inc. stockholders’ equity	648,683							622,369
Noncontrolling interest in subsidiary	4,627							4,249
Total liabilities and equity	$	5,852,114						$	5,362,322
Net interest income (tax-equivalent basis) / Interest-rate spread (4)				48,761		3.37	%				47,928		3.66	%
Less adjustment of tax-exempt income				233							194
Net interest income				$	48,528						$	47,734
Net interest margin (5)						3.57	%						3.87	%

(1) Tax-exempt income on debt securities, equity securities and revenue bonds included in commercial real estate loans is included on a tax-equivalent basis.

(2) Loans on nonaccrual status are included in the average balances.

(3) Including non-interest-bearing checking accounts, the average interest rate on total deposits was 0.43% and 0.45% in the three months ended March 31, 2015 and March 31, 2014, respectively.

(4) Interest-rate spread represents the difference between the yield on interest-earning assets and the cost of interest-bearing liabilities.

(5) Net interest margin represents net interest income (tax equivalent basis) divided by average interest-earning assets.

Rate/Volume Analysis

The following table presents, on a tax-equivalent basis, the extent to which changes in interest rates and changes in volume of interest-earning assets and interest-bearing liabilities have affected the Company’s interest income and interest expense during the periods indicated. Information is provided in each category with respect to: (i) changes attributable to changes in

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volume (changes in volume multiplied by prior rate), (ii) changes attributable to changes in rate (changes in rate multiplied by prior volume) and (iii) the net change. The changes attributable to the combined impact of volume and rate have been allocated proportionately to the changes due to volume and the changes due to rate.

	Three Months Ended March 31, 2015 as Compared to the Three Months Ended March 31, 2014
	Increase
	(Decrease) Due To
	Volume			Rate			Net
	(In Thousands)
Interest and dividend income
Debt securities	$	249		$	171		$	420
Marketable and restricted equity securities	59			10			69
Short-term investments	3			(26		)	(23		)
Total investments	311			155			466
Loans and leases:
Commercial real estate loans	2,675			(2,132		)	543
Commercial loans and leases	1,407			406			1,813
Equipment financing	1,685			(2,178		)	(493		)
Indirect automobile loans	(805		)	(317		)	(1,122		)
Residential mortgage loans	404			94			498
Other consumer loans	303			(54		)	249
Total loans and leases	5,669			(4,181		)	1,488
Total change in interest and dividend income	5,980			(4,026		)	1,954
Interest expense
Deposits:
NOW accounts	7			(4		)	3
Savings accounts	20			(50		)	(30		)
Money market accounts	41			(184		)	(143		)
Certificates of deposit	229			(46		)	183
Total deposits	297			(284		)	13
Borrowed funds:
Advances from the FHLBB	397			(424		)	(27		)
Subordinated debentures and notes	1,095			54			1,149
Other borrowed funds	10			(24		)	(14		)
Total borrowed funds	1,502			(394		)	1,108
Total change in interest expense	1,799			(678		)	1,121
Change in tax-exempt income	39			—			39
Change in net interest income	$	4,142		$	(3,348	)	$	794

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Interest Income

Loans and Leases

	Three Months Ended March 31,				Dollar			Percent
	2015		2014		Change			Change
	(Dollars in Thousands)
Interest income — loans and leases:
Commercial real estate loans	$	26,245	$	25,572	$	673		2.6	%
Commercial loans	6,314		4,680		1,634			34.9	%
Equipment financing	10,544		11,037		(493		)	-4.5	%
Indirect automobile loans	2,142		3,264		(1,122		)	-34.4	%
Residential mortgage loans	5,307		4,809		498			10.4	%
Other consumer loans	2,829		2,580		249			9.7	%
Total interest income — loans and leases	$	53,381	$	51,942	$	1,439		2.8	%

Except for commercial loans and residential mortgage loans, declines in the yields on all portfolios reflect the high rate of loan refinancings in a low rate environment and the intense pricing competition which affected the Company’s lending markets. The increase in commercial yields was due to a change in accrual status during the first quarter of 2015 for a commercial relationship that has been on non-accrual since the first quarter of 2014.

Interest income from loans and leases was $53.4 million for the three months ended March 31, 2015, resulting in a yield on total loans and leases of 4.41%. This compares to $51.9 million of interest on loans and leases and a yield of 4.72% for the three months ended March 31, 2014. The year-over-year $1.4 millionincrease in interest income from loans and leases was due to an increase of $5.7 million due to increased origination volume, offset by a decrease of $4.2 million due to changes in rate. Accretion on acquired loans and leases of $1.2 million contributed 11 basis points to net interest margin during the first quarter of 2015, compared to $4.2 million and 34 basis points in the first quarter of 2014. 

Investments

	Three Months Ended March 31,				Dollar			Percent
	2015		2014		Change			Change
	(Dollars in Thousands)
Interest income — investments:
Debt securities	$	2,683	$	2,259	$	424		18.8	%
Marketable and restricted equity securities	524		449		75			16.7	%
Short-term investments	21		44		(23		)	-52.3	%
Total interest income — investments	$	3,228	$	2,752	$	476		17.3	%

Total investment income was $3.2 million for the three months ended March 31, 2015, compared to $2.8 million for the three months ended March 31, 2014. The yield on investments increased to 1.92% for the quarter ended March 31, 2015 from 1.82% for the quarter ended March 31, 2014. The $0.5 million year-over-year increase in quarterly interest income on investments was driven by a $0.3 million increase due to volume and a $0.2 million increase due to rates.

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Interest Expense - Deposits and Borrowed Funds

	Three Months Ended March 31,				Dollar			Percent
	2015		2014		Change			Change
	(Dollars in Thousands)
Interest expense:
Deposits:
NOW accounts	$	44	$	41	$	3		7.3	%
Savings accounts	273		303		(30		)	-9.9	%
Money market accounts	1,816		1,959		(143		)	-7.3	%
Certificates of deposit	2,171		1,988		183			9.2	%
Total interest expense - deposits	4,304		4,291		13			0.3	%
Borrowed funds:
Advances from the FHLBB	2,504		2,531		(27		)	-1.1	%
Subordinated debentures and notes	1,248		99		1,149			1,160.6	%
Other borrowed funds	25		39		(14		)	-35.9	%
Total interest expense - borrowed funds	3,777		2,669		1,108			41.5	%
Total interest expense	$	8,081	$	6,960	$	1,121		16.1	%

Deposits

Interest expense on deposits remained stable at $4.3 million for the quarters ended March 31, 2015 and March 31, 2014. Accretion on acquired deposits was minimal for the three months endedMarch 31, 2015 compared to $0.1 million for the three months endedMarch 31, 2014. Accretion had no impact on the Company's net interest margin for the three months endedMarch 31, 2015 and improved the Company’s net interest margin by 1 basis point for the three months endedMarch 31, 2014.

While interest-bearing deposit balances increased during these periods, the increases in interest expense on deposits due to volume were offset by decreases in interest expense due to deposit offering rates. The cost of total interest-bearing deposits decreased from 0.55% during the three months ended March 31, 2014 to 0.52% in the three months ended March 31, 2015.

Borrowed Funds

Interest paid on borrowed funds increased by $1.1 million, or 41.5%, from $2.7 million for the three months ended March 31, 2014 to $3.8 million for the three months ended March 31, 2015. The increase was primarily due to the new subordinated notes issued during the third quarter 2014. The cost of borrowed funds increased to 1.42% for the quarter ended March 31, 2015 from 1.27% during the quarter ended March 31, 2014. The decrease in interest expense of $0.4 million due to lower borrowing rates was offset by increase in interest expense of $1.5 million due to higher volume. Accretion on acquired borrowed funds of $0.7 million improved the Company’s net interest margin by 7 basis points for the three months ended March 31, 2015 and 2014.

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Provision for Credit Losses

The provisions for credit losses are set forth below:

	Three Months Ended March 31,						Dollar			Percent
	2015			2014			Change			Change
	(Dollars in Thousands)
Provision (credit) for loan and lease losses:
Commercial real estate	$	254		$	1,836		$	(1,582	)	-86.2	%
Commercial	3,365			624			2,741			439.3	%
Indirect automobile	(1,634		)	(75		)	(1,559		)	N/A
Consumer	249			(84		)	333			-396.4	%
Unallocated	67			116			(49		)	-42.2	%
Total provision for loan and lease losses	2,301			2,417			(116		)	-4.8	%
Unfunded credit commitments	(38		)	26			(64		)	-246.2	%
Total provision for credit losses	$	2,263		$	2,443		$	(180	)	-7.4	%

N/A - annualized percent change not meaningful

The provisions for credit losses for the first quarter of 2015 and 2014 were $2.3 million and $2.4 million, respectively. The slight decrease in the provision for loan and lease losses was a result of decreased provision for the commercial real estate and the indirect automobile portfolios, mostly offset by increased provision for the commercial portfolio. The decrease in the provision for the commercial real estate portfolio was due to an improvement in the credit characteristics quarter-over-quarter. The decrease in the provision for the indirect automobile portfolio was due to the sale of over 90%, or $255.2 million, of the portfolio during the first quarter of 2015. The increase in the provision for the commercial portfolio was the result of downgrading a commercial relationship and recording specific reserve during the first quarter of 2015. See management’s discussion of “Financial Condition — Allowance for Loan and Lease Losses” and Note 5, “Allowance for Loan and Lease Losses,” to the unaudited consolidated financial statements for a description of how management determined the allowance for loan and lease losses for each portfolio and class of loans.

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Non-Interest Income

The following table sets forth the components of non-interest income for the periods indicated:

	Three Months Ended March 31,				Dollar			Percent
	2015		2014		Change			Change
	(Dollars in Thousands)
Deposit fees	$	2,066	$	1,959	$	107		5.5	%
Loan fees	342		434		(92		)	-21.2	%
Gain on sales of loans and leases held-for-sale	869		602		267			44.4	%
Gain on sale/disposals of premises and equipment, net	—		1,510		(1,510		)	-100.0	%
Other	1,193		1,123		70			6.2	%
Total non-interest income	$	4,470	$	5,628	$	(1,158	)	-20.6	%

Total non-interest income decreased approximately $1.1 million, or 20.6%, to $4.5 million for the three months ended March 31, 2015, from $5.6 million for the three months ended March 31, 2014. The decrease is primarily attributable to a net $1.5 million gain on the sale/disposals of fixed assets recognized in 2014, offset by a $0.3 millionincrease in gain on sales of loans and leases held-for-sale and a $0.1 millionincrease in deposit fees. The increase in gain on sales of loan and leases held-for-sale was driven by the participation sale of a pool of equipment leases to manage concentration risk.

Non-Interest Expense

The following table sets forth the components of non-interest expense:

	Three Months Ended March 31,				Dollar			Percent
	2015		2014		Change			Change
	(Dollars in Thousands)
Compensation and employee benefits	$	17,524	$	18,032	$	(508	)	-2.8	%
Occupancy	3,472		4,405		(933		)	-21.2	%
Equipment and data processing	4,020		4,377		(357		)	-8.2	%
Professional services	1,094		1,727		(633		)	-36.7	%
FDIC insurance	867		860		7			0.8	%
Advertising and marketing	748		665		83			12.5	%
Amortization of identified intangible assets	738		861		(123		)	-14.3	%
Other	2,863		2,649		214			8.1	%
Total non-interest expense	$	31,326	$	33,576	$	(2,250	)	-6.7	%

Non-interest expense for the three months ended March 31, 2015decreased$2.3 million compared to the same period in 2014. The decrease was primarily due to a $0.5 milliondecrease in compensation and employee benefits expense, a $0.9 milliondecrease in occupancy expense and a $0.6 milliondecrease in professional services expense.

The efficiency ratio decreased to 59.11% for the three-month period ending March 31, 2015 from 62.92% for the three-month period ending March 31, 2014. Efficiency ratio improved due to a decrease in non-interest expense and an increase in net interest income, a result of continued efforts to drive revenue growth while controlling expenses.

Compensation and employee benefit expense for the three months ended March 31, 2015decreased$0.5 million, or 2.8%, as compared to the same period in 2014. The decrease was primarily driven by a decrease in employee headcount in 2015.

Occupancy expense for the three months endedMarch 31, 2015decreased$0.9 million, or 21.2%, as compared to the same period in 2014. The decrease was primarily due to additional expenses incurred in 2014 associated with the consolidation of an operations center, one branch relocation, and the closure of one branch property.

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Professional services expense for the three months endedMarch 31, 2015decreased$0.6 million, or 36.7%, as compared to the same period in 2014. The decrease was largely due to increased monitoring of expenses.

Provision for Income Taxes

	Three Months Ended March 31,						Dollar		Percent
	2015			2014			Change		Change
	(Dollars in Thousands)
Income before provision for income taxes	$	19,409		$	17,343		$	2,066	11.9	%
Provision for income taxes	7,104			6,379			725		11.4	%
Net income	$	12,305		$	10,964		$	1,341	12.2	%
Effective tax rate	36.6		%	36.8		%	N/A		(0.2	)%

The Company recorded income tax expense of $7.1 million for the three months ended March 31, 2015, compared to $6.4 million for the three months ended March 31, 2014, representing effective tax rates of 36.6% and 36.8%, respectively. The 0.2%decrease in the effective tax rate is mainly due to an increase of taxable income of $2.1 million for the three months ended March 31, 2015, as compared to the same period of 2014, offset by a decrease in losses in the investments in qualified affordable housing projects. In accordance with ASU 2014-01, initial costs of these investments are amortized in proportion to tax credits and other tax benefits received, and are recognized as a component of the provision of income taxes.

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Liquidity and Capital Resources

Liquidity

Liquidity is defined as the ability to meet current and future financial obligations of a short-term nature. The Company further defines liquidity as the ability to respond to the needs of depositors and borrowers, as well as to earnings enhancement opportunities, in a changing marketplace. Liquidity management is monitored by an Asset/Liability Committee (“ALCO”), consisting of members of management, which is responsible for establishing and monitoring liquidity targets as well as strategies and tactics to meet these targets.

The primary source of funds for the payment of dividends and expenses by the Company is dividends paid to it by its Banks and Brookline Securities Corp. The primary sources of liquidity for the Banks consist of deposit inflows, loan repayments, borrowed funds and maturing investment securities.

Deposits, which are considered the most stable source of liquidity, totaled $4.1 billion at March 31, 2015, and represented 81.6% of total funding (the sum of total deposits and total borrowings), compared to deposits of $4.0 billion, or 77.8% of total funding, at December 31, 2014. Core deposits, which consist of demand checking, NOW, savings and money market accounts, totaled $3.1 billion at March 31, 2015 and represented 74.4% of total deposits, compared to core deposits of $3.0 billion, or 76.1% of total deposits, at December 31, 2014. Additionally, the Company acquired $172.9 million of brokered deposits at March 31, 2015, which represented 4.2% of total deposits compared to $62.0 million at December 31, 2014. The Company offers attractive interest rates based on market conditions to increase deposits balances, while managing cost of funds.

Borrowings are used to diversify the Company’s funding mix and to support asset growth. When profitable lending and investment opportunities exist, access to borrowings provides a means to fund the balance sheet. Borrowings totaled $924.9 million at March 31, 2015, representing 18.4% of total funding, compared to $1.1 billion, or 22.2% of total funding, at December 31, 2014. The decrease was due to decreased FHLBB borrowings of $197.5 million as a result of the sale of the indirect automobile portfolio.

As members of the FHLBB, the Banks have access to both short- and long-term borrowings. At March 31, 2015, the

Company had a $12.0 million committed line of credit with for contingent liquidity. The Banks also have access to funding through retail repurchase agreements, brokered deposits and $119.0 million of uncommitted lines of credit, and may utilize additional sources of funding in the future, including borrowings at the Federal Reserve “discount window,” to supplement its liquidity. At March 31, 2015 and December 31, 2014, the Company’s total borrowing limit from the FHLBB for advances and repurchase agreements was $1.5 billion, based on the level of qualifying collateral available for these borrowings.

In general, the Company seeks to maintain a high degree of liquidity and targets cash, cash equivalents and investment securities available-for-sale balances between 10% and 30% of total assets. At March 31, 2015, cash, cash equivalents and investment securities available-for-sale totaled $762.2 million, or 13.2% of total assets. This compares to $613.5 million, or 10.6% of total assets, at December 31, 2014.

While management believes that the Company has adequate liquidity to meet its commitments, and to fund the Banks’ lending and investment activities, the availabilities of these funding sources are subject to broad economic conditions and could be restricted in the future. Such restrictions would impact the Company’s immediate liquidity and/or additional liquidity needs.

Off-Balance-Sheet Financial Instruments

The Company is party to off-balance-sheet financial instruments in the normal course of business to meet the financing needs of its customers and to reduce its own exposure to fluctuations in interest rates. These financial instruments include loan commitments, standby and commercial letters of credit and interest-rate swaps. According to GAAP, these financial instruments are not recorded in the financial statements until they are funded or related fees are incurred or received.

The contract amounts reflect the extent of the involvement the Company has in particular classes of these instruments. Such commitments involve, to varying degrees, elements of credit risk and interest-rate risk in excess of the amount recognized in the consolidated balance sheet. The Company’s exposure to credit loss in the event of non-performance by the counterparty is represented by the contractual amount of the instruments. The Company uses the same policies in making commitments and conditional obligations as it does for on-balance-sheet instruments.

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Financial instruments with off-balance-sheet risk at the dates indicated follow:

	At March 31, 2015		At December 31, 2014
	(In Thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to originate loans and leases:
Commercial real estate	$	56,739	$	107,179
Commercial	74,264		102,353
Residential mortgage	9,878		20,520
Unadvanced portion of loans and leases	534,040		629,351
Unused lines of credit:
Home equity	249,810		244,603
Other consumer	11,743		10,876
Other commercial	859		728
Unused letters of credit:
Financial standby letters of credit	16,249		16,762
Performance standby letters of credit	10		3,126
Commercial and similar letters of credit	50		50
Back-to-back interest-rate swaps	110,152		109,362

Capital Resources

At March 31, 2015, the Company and the Banks are all under the primary regulation of and must comply with the capital requirements of the FRB. At that date, the Company, Brookline Bank, BankRI and First Ipswich exceeded all regulatory capital requirements and were considered “well-capitalized.”

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The Company’s and the Banks’ actual and required capital amounts and ratios are as follows:

		Actual				Minimum Required for Capital Adequacy Purposes				Minimum Required To Be Considered “Well-Capitalized”
		Amount		Ratio		Amount		Ratio		Amount		Ratio
		(Dollars in Thousands)
At March 31, 2015:
Brookline Bancorp, Inc.
Common equity tier 1 capital ratio	(1)	$	510,222	10.98	%	$	209,107	4.50	%	N/A		N/A
Tier 1 leverage capital ratio	(2)	523,204		9.16	%	228,473		4.00	%	N/A		N/A
Tier 1 risk-based capital ratio	(3)	523,204		11.26	%	278,794		6.00	%	N/A		N/A
Total risk-based capital ratio	(4)	653,112		14.05	%	371,879		8.00	%	N/A		N/A
Brookline Bank
Common equity tier 1 capital ratio	(1)	$	342,547	11.86	%	$	129,971	4.50	%	$	187,737	6.50	%
Tier 1 leverage capital ratio	(2)	347,194		9.95	%	139,575		4.00	%	174,469		5.00	%
Tier 1 risk-based capital ratio	(3)	347,194		12.02	%	173,308		6.00	%	231,078		8.00	%
Total risk-based capital ratio	(4)	383,257		13.27	%	231,052		8.00	%	288,815		10.00	%
BankRI
Common equity tier 1 capital ratio	(1)	$	161,482	10.65	%	$	68,232	4.50	%	$	98,557	6.50	%
Tier 1 leverage capital ratio	(2)	161,482		8.78	%	73,568		4.00	%	91,960		5.00	%
Tier 1 risk-based capital ratio	(3)	161,482		10.65	%	90,976		6.00	%	121,301		8.00	%
Total risk-based capital ratio	(4)	179,396		11.83	%	121,316		8.00	%	151,645		10.00	%
First Ipswich
Common equity tier 1 capital ratio	(1)	$	31,328	13.24	%	$	10,648	4.50	%	$	15,380	6.50	%
Tier 1 leverage capital ratio	(2)	31,328		9.36	%	13,388		4.00	%	16,735		5.00	%
Tier 1 risk-based capital ratio	(3)	31,328		13.24	%	14,197		6.00	%	18,929		8.00	%
Total risk-based capital ratio	(4)	33,710		14.25	%	18,925		8.00	%	23,656		10.00	%
At December 31, 2014:
Brookline Bancorp, Inc.
Tier 1 leverage capital ratio	(2)	$	504,964	9.01	%	$	224,179	4.00	%	N/A		N/A
Tier 1 risk-based capital ratio	(3)	504,964		10.55	%	191,456		4.00	%	N/A		N/A
Total risk-based capital ratio	(4)	633,421		13.24	%	382,732		8.00	%	N/A		N/A
Brookline Bank
Tier 1 leverage capital ratio	(2)	$	336,513	9.60	%	$	140,214	4.00	%	$	175,267	5.00	%
Tier 1 risk-based capital ratio	(3)	336,513		10.72	%	125,565		4.00	%	188,347		6.00	%
Total risk-based capital ratio	(4)	373,312		11.90	%	250,966		8.00	%	313,708		10.00	%
BankRI
Tier 1 leverage capital ratio	(2)	$	150,403	8.43	%	$	71,366	4.00	%	$	89,207	5.00	%
Tier 1 risk-based capital ratio	(3)	150,403		10.70	%	56,225		4.00	%	84,338		6.00	%
Total risk-based capital ratio	(4)	166,135		11.82	%	112,443		8.00	%	140,554		10.00	%
First Ipswich
Tier 1 leverage capital ratio	(2)	$	29,962	9.27	%	$	12,929	4.00	%	$	16,161	5.00	%
Tier 1 risk-based capital ratio	(3)	29,962		12.40	%	9,665		4.00	%	14,498		6.00	%
Total risk-based capital ratio	(4)	32,375		13.40	%	19,328		8.00	%	24,160		10.00	%

1. Common equity tier 1 capital ratio is calculated by dividing common equity Tier 1 capital by risk-weighted assets.

2. Tier 1 leverage capital ratio is calculated by dividing Tier 1 capital by average assets.

3. Tier 1 risk-based capital ratio is calculated by dividing Tier 1 capital by risk-weighted assets.

4. Total risk-based capital ratio is calculated by dividing total capital by risk-weighted assets.

79

Item 3. Quantitative and Qualitative Disclosures about Market Risk

Market Risk

Market risk is the risk that the market value or estimated fair value of the Company’s assets, liabilities and derivative financial instruments will decline as a result of changes in interest rates or financial market volatility, or that the Company’s net income will be significantly reduced by interest-rate changes.

Interest-Rate Risk

The principal market risk facing the Company is interest-rate risk, which can come in a variety of forms, including repricing risk, yield-curve risk, basis risk and prepayment risk. Repricing risk exists when the change in the average yield of either interest-earning assets or interest-bearing liabilities is more sensitive than the other to changes in market interest rates. Such a change in sensitivity could reflect a number of possible mismatches in the repricing opportunities of the Company’s assets and liabilities. Yield-curve risk reflects the possibility that the changes in the shape of the yield curve could have different effects on the Company’s assets and liabilities. Basis risk exists when different parts of the balance sheet are subject to varying base rates reflecting the possibility that the spread from those base rates will deviate. Prepayment risk is associated with financial instruments with an option to prepay before the stated maturity, often a disadvantage to the person selling the option; this risk is most often associated with the prepayment of loans, callable investments and callable borrowings.

Asset/Liability Management

Market risk and interest-rate risk management are governed by the Company’s Asset/Liability Committee (“ALCO”). The ALCO establishes exposure limits that define the Company’s tolerance for interest-rate risk. The ALCO and Treasury Group measure and manage the composition of the balance sheet over a range of possible changes in interest rates while remaining responsive to market demand for loan and deposit products. The ALCO monitors current exposures versus limits and reports results to the Board of Directors. The policy limits and guidelines serve as benchmarks for measuring interest-rate risk and for providing a framework for evaluation and interest-rate risk-management decision-making. The Company measures its interest-rate risk by using an asset/liability simulation model. The model considers several factors to determine the Company’s potential exposure to interest-rate risk, including measurement of repricing gaps, duration, convexity, value-at-risk, market value of portfolio equity under assumed changes in the level of interest rates, the shape of yield curves and general market volatility.

Management controls the Company’s interest-rate exposure using several strategies, which include adjusting the maturities of securities in the Company’s investment portfolio, limiting or expanding the terms of loans originated, limiting fixed-rate deposits with terms of more than five years and adjusting maturities of FHLBB advances. The Company limits this risk by restricting the types of MBSs it invests in to those with limited average life changes under certain interest-rate-shock scenarios, or securities with embedded prepayment penalties. The Company also places limits on holdings of fixed-rate mortgage loans with maturities greater than five years. The Company also may use derivative instruments, principally interest-rate swaps, to manage its interest-rate risk; however, the Company had no derivative fair value hedges or derivative cash flows at March 31, 2015 or December 31, 2014. See Note 10, “Derivatives and Hedging Activities,” to the unaudited consolidated financial statements.

Measuring Interest-Rate Risk

As noted above, interest-rate risk can be measured by analyzing the extent to which the repricing of assets and liabilities are mismatched to create an interest-rate sensitivity gap. An asset or liability is said to be interest-rate sensitive within a specific period if it will mature or reprice within that period. The interest-rate sensitivity gap is defined as the difference between the amount of interest-earning assets maturing or repricing within a specific time period and the amount of interest-bearing liabilities maturing or repricing within that same time period. A gap is considered positive when the amount of interest-rate-sensitive assets exceeds the amount of interest-rate-sensitive liabilities. A gap is considered negative when the amount of interest-rate-sensitive liabilities exceeds the amount of interest-rate-sensitive assets. During a period of falling interest rates, therefore, a positive gap would tend to adversely affect net interest income. Conversely, during a period of rising interest rates, a positive gap position would tend to result in an increase in net interest income.

The Company's interest-rate risk position is measured using both income simulation and interest-rate sensitivity "gap" analysis. Income simulation is the primary tool for measuring the interest-rate risk inherent in the Company’s balance sheet at a given point in time by showing the effect on net interest income, over a twelve-month period, of a variety of interest-rate shocks. These simulations take into account repricing, maturity and prepayment characteristics of individual products. The ALCO reviews simulation results to determine whether the exposure resulting from changes in market interest rates remains

80

within established tolerance levels over a twelve-month horizon, and develops appropriate strategies to manage this exposure. The Company’s interest-rate risk analysis remains modestly asset-sensitive at March 31, 2015.

As of March 31, 2015, net interest income simulation indicated that the Company’s exposure to changing interest rates was within tolerance. The ALCO reviews the methodology utilized for calculating interest-rate risk exposure and may periodically adopt modifications to this methodology. The following table presents the estimated impact of interest-rate changes on the Company’s estimated net interest income over the twelve-month periods indicated:

	Estimated Exposure to Net Interest Income over Twelve-Month Horizon Beginning
	March 31, 2015				December 31, 2014
Gradual Change in Interest Rate Levels	Dollar Change		Percent Change		Dollar Change		Percent Change
	(Dollars in Thousands)
Up 300 basis points	2,130		1.2	%	1,882		1.0	%
Up 200 basis points	1,260		0.7	%	1,327		0.7	%
Up 100 basis points	451		0.2	%	693		0.4	%
Down 100 basis points	(2,627	)	(1.4	)%	(2,828	)	(1.5	)%

The estimated impact of a 300 basis points increase in market interest rates on the Company's estimated net interest income over a twelve-month horizon was a positive 1.15% at March 31, 2015 compared to a positive 1.03% at December 31, 2014. The increase in asset sensitivity was due to the sale of the indirect auto portfolio which was used to paydown maturing FHLBB borrowings.

The Company also uses interest-rate sensitivity “gap” analysis to provide a more general overview of its interest-rate risk profile. The interest-rate sensitivity gap is defined as the difference between interest-earning assets and interest-bearing

liabilities maturing or repricing within a given time period. At March 31, 2015, the Company’s one-year cumulative gap was a positive$56.4 million, or 1.05% of total interest-earning assets, compared with a negative$371.2 million, or 6.88% of total interest-earning assets, at December 31, 2014.

The assumptions used in the Company's interest-rate sensitivity simulation discussed above are inherently uncertain and, as a result, the simulations cannot precisely measure net interest income or precisely predict the impact of changes in interest rates. For additional discussion on interest-rate risk see Item 7A, “Quantitative and Qualitative Disclosures about Market Risk” of the Company’s 2014 Annual Report on Form 10-K.

Economic Value of Equity ("EVE") at Risk Simulation is conducted in tandem with net interest income simulations, to ascertain a longer term view of the Company’s interest-rate risk position by capturing longer-term repricing risk and options risk embedded in the balance sheet. It measures the sensitivity of the economic value of equity to changes in interest rates. The EVE at Risk Simulation values only the current balance sheet and does not incorporate growth assumptions. As with the net interest income simulation, this simulation captures product characteristics such as loan resets, repricing terms, maturity dates, and rate caps and floors. Key assumptions include loan prepayment speeds, deposit pricing elasticity and non-maturity deposit attrition rates. These assumptions can have significant impacts on valuation results as the assumptions remain in effect for the entire life of each asset and liability. The Company conducts non-maturity deposit behavior studies on a periodic basis to support deposit assumptions used in the valuation process. All key assumptions are subject to a periodic review.

EVE at Risk is calculated by estimating the net present value of all future cash flows from existing assets and liabilities using current interest rates as well as parallel shocks to the current interest-rate environment. The following table sets forth the estimated percentage change in the Company’s EVE at Risk, assuming various shifts in interest rates. Given the interest rate environment at March 31, 2015, simulations for interest rate declines of more than 100 basis points were not deemed to be meaningful.

81

	Estimated Percent Change in EVE at Risk
Parallel Shock in Interest Rate Levels	At March 31, 2015		At December 31, 2014
Up 300%	4.5	%	(2.6	)%
Up 200%	2.4	%	(2.5	)%
Up 100%	1.2	%	(1.0	)%
Down 100%	(6.5	)%	(5.4	)%

Item 4. Controls and Procedures

Controls and Procedures

Under the supervision and with the participation of the Company’s management, including the Company’s Chief Executive Officer (Principal Executive Officer) and Chief Financial Officer (Principal Financial Officer), the Company has evaluated the effectiveness of its disclosure controls and procedures (as defined in Rule 13a-15(e) and 15d-15(e) under the Exchange Act) as of the end of the period covered by this report. Based upon that evaluation, the Chief Executive Officer and Chief Financial Officer considered that, as of the end of the period covered by this report, the Company’s disclosure controls and procedures were effective to ensure that information required to be disclosed in the reports that the Company files or submits under the Exchange Act is (i) recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms and (ii) accumulated and communicated to the Company’s management, including its Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure.

There has been no change in the Company’s internal control over financial reporting identified in connection with the quarterly evaluation that occurred during the Company’s last fiscal quarter that has materially and detrimentally affected, or is reasonably likely to materially and detrimentally affect, the Company’s internal controls over financial reporting.

The Company’s management is responsible for establishing and maintaining adequate internal control over financial reporting as such term is defined in Exchange Act Rule 13a -15(f). The Company’s internal control system was designed to provide reasonable assurance to its management and the Board of Directors regarding the preparation and fair presentation of published financial statements. All internal control systems, no matter how well designed, have inherent limitations. Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and presentation. The Company’s management assessed the effectiveness of its internal control over financial reporting as of the end of the period covered by this report.

Management’s Report on Internal Control Over Financial Reporting as of December 31, 2014 and the related Report of Independent Registered Public Accounting Firm thereon appear on pages F-1 and F-2 of the Company’s Annual Report on Form 10-K for the year ended December 31, 2014.

82

PART II — OTHER INFORMATION

Item 1. Legal Proceedings

There are no material pending legal proceedings other than those that arise in the normal course. In the opinion of management, after consulting with legal counsel, the consolidated financial position and results of operations of the Company are not expected to be affected materially by the outcome of such proceedings. 

Item 1A. Risk Factors

There has been no material changes to the risk factors disclosed in Item 1A of the Company’s Form 10-K for the year ended December 31, 2014.

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

a)        Not applicable.

b)        Not applicable.

c)         None.

Item 3. Defaults Upon Senior Securities

a)        None.

b)        None.

Item 4. Mine Safety Disclosures

Not applicable. 

Item 5. Other Information

None.

Item 6. Exhibits

Exhibits

Exhibit 31.1*	Certification of Chief Executive Officer
Exhibit 31.2*	Certification of Chief Financial Officer
Exhibit 32.1**	Section 1350 Certification of Chief Executive Officer
Exhibit 32.2**	Section 1350 Certification of Chief Financial Officer
Exhibit 101	The following materials from Brookline Bancorp, Inc.’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2015, formatted in XBRL (eXtensible Business Reporting Language): (i) Unaudited Consolidated Balance Sheets as of March 31, 2015 and December 31, 2014; (ii) Unaudited Consolidated Statements of Income for the three months ended March 31, 2015 and 2014; (iii) Unaudited Consolidated Statements of Comprehensive Income for the three months ended March 31, 2015 and 2014; (iv) Unaudited Consolidated Statements of Changes in Equity for the three months ended March 31, 2015 and 2014; (v) Unaudited Consolidated Statements of Cash Flows for the three months ended March 31, 2015 and 2014; and (vi) Notes to Unaudited Consolidated Financial Statements at and for the three months ended March 31, 2015 and 2014.

*	Filed herewith.
**	Furnished herewith.

SIGNATURES

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

	BROOKLINE BANCORP, INC.
Date: May 11, 2015	By:	/s/ Paul A. Perrault
		Paul A. Perrault
		President and Chief Executive Officer
		(Principal Executive Officer)
Date: May 11, 2015	By:	/s/ Carl M. Carlson
		Carl M. Carlson
		Chief Financial Officer and Treasurer
		(Principal Financial Officer)

EX-31.1

Exhibit 31.1

Certification of Chief Executive Officer

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

I, Paul A. Perrault, President and Chief Executive Officer, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Brookline Bancorp, Inc.;

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 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 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 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.

May 11, 2015	/s/ Paul A. Perrault
Date	Paul A. Perrault
	President and Chief Executive Officer
	(Principal Executive Officer)

EX-31.2

Exhibit 31.2

Certification of Chief Financial Officer

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

I, Carl M. Carlson, Chief Financial Officer and Treasurer, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Brookline Bancorp, Inc.;

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 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 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 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.

May 11, 2015	/s/ Carl M. Carlson
Date	Carl M. Carlson
	Chief Financial Officer and Treasurer
	(Principal Financial Officer)

EX-32.1

Exhibit 32.1

STATEMENT FURNISHED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT

OF 2002, 18 U.S.C. SECTION 1350

The undersigned, Paul A. Perrault, is the President and Chief Executive Officer of Brookline Bancorp, Inc. (the “Company”).

This statement is being furnished in connection with the filing by the Company of the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2015 (the “Report”).

By execution of this statement, I certify that:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m(a) or 78o(d)); and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of the dates and for the periods covered by the Report.

This statement is authorized to be attached as an exhibit to the Report so that this statement will accompany the Report at such time as the Report is filed with the Securities and Exchange Commission pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350. It is not intended that this statement be deemed to be filed for purposes of the Securities Exchange Act of 1934, as amended.

May 11, 2015	/s/ Paul A. Perrault
Date	Paul A. Perrault
	President and Chief Executive Officer
	(Principal Executive Officer)

EX-32.2

Exhibit 32.2

STATEMENT FURNISHED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT

OF 2002, 18 U.S.C. SECTION 1350

The undersigned, Carl M. Carlson, is the Chief Accounting Officer of Brookline Bancorp, Inc. (the “Company”).

This statement is being furnished in connection with the filing by the Company of the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2015 (the “Report”).

By execution of this statement, I certify that:

1.The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m(a) or 78o(d)); and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of the dates and for the periods covered by the Report.

This statement is authorized to be attached as an exhibit to the Report so that this statement will accompany the Report at such time as the Report is filed with the Securities and Exchange Commission pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350. It is not intended that this statement be deemed to be filed for purposes of the Securities Exchange Act of 1934, as amended.

May 11, 2015	/s/ Carl M. Carlson
Date	Carl M. Carlson
	Chief Financial Officer and Treasurer
	(Principal Financial Officer)

XML

Investment Securities (Details 5) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Available for Sale, Amortized Cost
Within 1 year	$ 5,985,000	$ 3,057,000
After 1 year through 5 years	55,299,000	55,631,000
After 5 years through 10 years	94,946,000	103,268,000
Over 10 years	405,392,000	390,685,000
Total	561,622,000	552,641,000
Available for Sale, Estimated Fair Value
Within 1 year	6,027,000	3,081,000
After 1 year through 5 years	56,593,000	56,586,000
After 5 years through 10 years	96,674,000	104,208,000
Over 10 years	404,837,000	385,913,000
Total	564,131,000	549,788,000
Available for Sale, Weighted Average Rate
Within 1 year (as a percent)	2.42%	3.00%
After 1 year through 5 years (as a percent)	2.46%	2.48%
After 5 years through 10 years (as a percent)	1.98%	2.00%
Over 10 years (as a percent)	1.91%	1.91%
Total (as a percent)	1.98%	1.99%
Held-to-maturity, Amortized Cost
Within 1 year	500,000	0
After 1 year through 5 years	0	500,000
Total	500,000	500,000
Held-to-maturity, Estimated Fair Value
Within 1 year	500,000	0
After 1 year through 5 years	0	500,000
Total	500,000	500,000
Held-to-maturity, Weighted Average Rate
Within 1 year (as a percent)	1.30%	0.00%
After 1 year through 5 years (as a percent)	0.00%	1.30%
Total (as a percent)	1.30%	1.30%
Estimated fair value of debt securities have right to call or prepay the obligations	12,000,000	16,100,000
Estimated fair value of debt securities have right to call or prepay the obligations, schedule maturities of 1-5 years	8,000,000	5,000,000
Estimated fair value of debt securities have right to call or prepay the obligations, schedule maturities of 6-10 years	4,000,000	9,900,000
Estimated fair value of debt securities have right to call or prepay the obligations, scheduled maturities after ten years		$ 1,200,000

XML

Investments in Qualified Affordable Housing Projects - Further Information Regarding Investments in Affordable Housing Projects (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Investments in Affordable Housing Projects [Abstract]
Investments in affordable housing projects included in other assets	$ 10,790	$ 10,313
Unfunded commitments related to affordable housing projects included in other liabilities	2,338	2,608
Investments in affordable housing projects tax credits included in other liabilities	397
Investments in affordable housing projects tax benefits included in other liabilities	164
Investment amortization included in pretax income	410
Amount recognized as income tax benefit	$ 151

XML

Allowance for Loan and Lease Losses (Details 5) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Impaired Loans and Leases
Recorded investment	$ 57,230,000		$ 48,657,000
Unpaid principal balance	57,202,000		48,633,000
Related allowance	2,876,000		1,163,000
Average recorded investment	58,081,000	44,764,000
Interest income recognized, Total	311,000	206,000
Recorded investment in loans and leases by portfolio segment
Total, Allowance	55,106,000		53,659,000
Total Loans and Leases	4,634,594,000		4,822,607,000
Originated
Impaired Loans and Leases
Recorded investment, loans with no related allowance recorded	24,011,000		19,246,000
Recorded investment, loans with related allowance recorded	9,997,000		6,314,000
Recorded investment	34,008,000		25,560,000
Recorded investment, nonaccrual loans	15,600,000		7,100,000
Unpaid principal balance with no related allowance recorded	23,979,000		19,217,000
Unpaid principal balance with related allowance recorded	9,988,000		6,306,000
Unpaid principal balance	33,967,000		25,523,000
Related allowance	2,519,000		886,000
Average recorded investment with no related allowance recorded	24,239,000	11,610,000
Average recorded investment with related allowance recorded	10,143,000	4,119,000
Average recorded investment	34,382,000	15,729,000
Interest income recognized with no related allowance recorded	189,000	57,000
Interest income recognized with related allowance recorded	53,000	24,000
Interest income recognized, Total	242,000	81,000
Recorded investment in loans and leases by portfolio segment
Loans and Leases Individually Evaluated for Impairment, Allowance	2,519,000		886,000
Loans and Leases Collectively Evaluated for Impairment, Allowance	49,676,000		49,925,000
Total, Allowance	52,195,000		50,811,000
Loans and Leases Individually Evaluated for Impairment, Portfolio	34,008,000		25,560,000
Loans and Leases Collectively Evaluated for Impairment, Portfolio	4,039,482,000		4,206,393,000
Total Loans and Leases	4,073,490,000		4,231,953,000
Acquired
Impaired Loans and Leases
Recorded investment, loans with no related allowance recorded	21,755,000		22,150,000
Recorded investment, loans with related allowance recorded	1,467,000		947,000
Recorded investment	23,222,000		23,097,000
Recorded investment, nonaccrual loans	5,300,000		4,600,000
Unpaid principal balance with no related allowance recorded	21,768,000		22,163,000
Unpaid principal balance with related allowance recorded	1,467,000		947,000
Unpaid principal balance	23,235,000		23,110,000
Related allowance	357,000		277,000
Average recorded investment with no related allowance recorded	22,223,000	24,069,000
Average recorded investment with related allowance recorded	1,476,000	4,966,000
Average recorded investment	23,699,000	29,035,000
Interest income recognized with no related allowance recorded	67,000	87,000
Interest income recognized with related allowance recorded	2,000	38,000
Interest income recognized, Total	69,000	125,000
Recorded investment in loans and leases by portfolio segment
Loans and Leases Individually Evaluated for Impairment, Allowance	255,000		185,000
Loans and Leases Collectively Evaluated for Impairment, Allowance	874,000		872,000
Total, Allowance	2,911,000		2,848,000
Loans and Leases Individually Evaluated for Impairment, Portfolio	8,220,000		7,646,000
Loans and Leases Collectively Evaluated for Impairment, Portfolio	249,958,000		270,618,000
Total Loans and Leases	561,104,000		590,654,000
Acquired | Receivables Acquired with Deteriorated Credit Quality [Member]
Recorded investment in loans and leases by portfolio segment
Total, Allowance	1,782,000		1,791,000
Total Loans and Leases	302,926,000		312,390,000
Commercial real estate loans
Recorded investment in loans and leases by portfolio segment
Total, Allowance	29,460,000		29,594,000
Total Loans and Leases	2,500,887,000		2,467,801,000
Commercial real estate loans | Originated
Impaired Loans and Leases
Recorded investment, loans with no related allowance recorded	4,914,000		2,751,000
Recorded investment, loans with related allowance recorded	4,102,000		4,119,000
Unpaid principal balance with no related allowance recorded	4,909,000		2,748,000
Unpaid principal balance with related allowance recorded	4,102,000		4,119,000
Related allowance	98,000		108,000
Average recorded investment with no related allowance recorded	4,928,000	3,898,000
Average recorded investment with related allowance recorded	4,109,000	164,000
Interest income recognized with no related allowance recorded	22,000	36,000
Interest income recognized with related allowance recorded	50,000	0
Recorded investment in loans and leases by portfolio segment
Loans and Leases Individually Evaluated for Impairment, Allowance	98,000		108,000
Loans and Leases Collectively Evaluated for Impairment, Allowance	27,491,000		27,457,000
Total, Allowance	27,589,000		27,565,000
Loans and Leases Individually Evaluated for Impairment, Portfolio	9,016,000		6,870,000
Loans and Leases Collectively Evaluated for Impairment, Portfolio	2,184,857,000		2,141,039,000
Total Loans and Leases	2,193,873,000		2,147,909,000
Commercial real estate loans | Acquired
Impaired Loans and Leases
Recorded investment, loans with no related allowance recorded	10,011,000		9,413,000
Recorded investment, loans with related allowance recorded	243,000		244,000
Unpaid principal balance with no related allowance recorded	10,026,000		9,428,000
Unpaid principal balance with related allowance recorded	243,000		244,000
Related allowance	23,000		22,000
Average recorded investment with no related allowance recorded	10,329,000	7,577,000
Average recorded investment with related allowance recorded	244,000	4,420,000
Interest income recognized with no related allowance recorded	37,000	46,000
Interest income recognized with related allowance recorded	0	37,000
Recorded investment in loans and leases by portfolio segment
Loans and Leases Individually Evaluated for Impairment, Allowance	0		0
Loans and Leases Collectively Evaluated for Impairment, Allowance	634,000		648,000
Total, Allowance	1,871,000		2,029,000
Loans and Leases Individually Evaluated for Impairment, Portfolio	615,000		626,000
Loans and Leases Collectively Evaluated for Impairment, Portfolio	91,081,000		97,141,000
Total Loans and Leases	307,014,000		319,892,000
Commercial real estate loans | Acquired | Receivables Acquired with Deteriorated Credit Quality [Member]
Recorded investment in loans and leases by portfolio segment
Total, Allowance	1,237,000		1,381,000
Total Loans and Leases	215,318,000		222,125,000
Commercial
Recorded investment in loans and leases by portfolio segment
Total, Allowance	19,084,000		15,957,000
Total Loans and Leases	1,227,352,000		1,167,094,000
Commercial | Originated
Impaired Loans and Leases
Recorded investment, loans with no related allowance recorded	15,020,000		13,440,000
Recorded investment, loans with related allowance recorded	5,726,000		2,019,000
Unpaid principal balance with no related allowance recorded	14,998,000		13,421,000
Unpaid principal balance with related allowance recorded	5,717,000		2,011,000
Related allowance	2,411,000		768,000
Average recorded investment with no related allowance recorded	15,231,000	3,880,000
Average recorded investment with related allowance recorded	5,862,000	3,657,000
Interest income recognized with no related allowance recorded	152,000	8,000
Interest income recognized with related allowance recorded	3,000	24,000
Recorded investment in loans and leases by portfolio segment
Loans and Leases Individually Evaluated for Impairment, Allowance	2,411,000		768,000
Loans and Leases Collectively Evaluated for Impairment, Allowance	16,078,000		14,631,000
Total, Allowance	18,489,000		15,399,000
Loans and Leases Individually Evaluated for Impairment, Portfolio	20,746,000		15,459,000
Loans and Leases Collectively Evaluated for Impairment, Portfolio	1,149,381,000		1,086,360,000
Total Loans and Leases	1,170,127,000		1,101,819,000
Commercial | Acquired
Impaired Loans and Leases
Recorded investment, loans with no related allowance recorded	4,379,000		6,049,000
Recorded investment, loans with related allowance recorded	872,000		478,000
Unpaid principal balance with no related allowance recorded	4,376,000		6,047,000
Unpaid principal balance with related allowance recorded	872,000		478,000
Related allowance	287,000		214,000
Average recorded investment with no related allowance recorded	4,503,000	8,221,000
Average recorded investment with related allowance recorded	872,000	546,000
Interest income recognized with no related allowance recorded	15,000	36,000
Interest income recognized with related allowance recorded	0	1,000
Recorded investment in loans and leases by portfolio segment
Loans and Leases Individually Evaluated for Impairment, Allowance	208,000		144,000
Loans and Leases Collectively Evaluated for Impairment, Allowance	217,000		222,000
Total, Allowance	595,000		558,000
Loans and Leases Individually Evaluated for Impairment, Portfolio	4,294,000		4,458,000
Loans and Leases Collectively Evaluated for Impairment, Portfolio	31,615,000		38,504,000
Total Loans and Leases	57,225,000		65,275,000
Commercial | Acquired | Receivables Acquired with Deteriorated Credit Quality [Member]
Recorded investment in loans and leases by portfolio segment
Total, Allowance	170,000		192,000
Total Loans and Leases	21,316,000		22,313,000
Indirect automobile
Recorded investment in loans and leases by portfolio segment
Total, Allowance	458,000		2,331,000
Total Loans and Leases	23,335,000		316,987,000
Indirect automobile | Originated
Recorded investment in loans and leases by portfolio segment
Loans and Leases Individually Evaluated for Impairment, Allowance	0		0
Loans and Leases Collectively Evaluated for Impairment, Allowance	458,000		2,331,000
Total, Allowance	458,000		2,331,000
Loans and Leases Individually Evaluated for Impairment, Portfolio	0		0
Loans and Leases Collectively Evaluated for Impairment, Portfolio	23,335,000		316,987,000
Total Loans and Leases	23,335,000		316,987,000
Indirect automobile | Acquired
Recorded investment in loans and leases by portfolio segment
Loans and Leases Individually Evaluated for Impairment, Allowance	0		0
Loans and Leases Collectively Evaluated for Impairment, Allowance	0		0
Total, Allowance	0		0
Loans and Leases Individually Evaluated for Impairment, Portfolio	0		0
Loans and Leases Collectively Evaluated for Impairment, Portfolio	0		0
Total Loans and Leases	0		0
Indirect automobile | Acquired | Receivables Acquired with Deteriorated Credit Quality [Member]
Recorded investment in loans and leases by portfolio segment
Total, Allowance	0		0
Total Loans and Leases	0		0
Consumer loans
Recorded investment in loans and leases by portfolio segment
Total, Allowance	3,619,000		3,359,000
Total Loans and Leases	883,020,000		870,725,000
Consumer loans | Originated
Impaired Loans and Leases
Recorded investment, loans with no related allowance recorded	4,077,000		3,055,000
Recorded investment, loans with related allowance recorded	169,000		176,000
Unpaid principal balance with no related allowance recorded	4,072,000		3,048,000
Unpaid principal balance with related allowance recorded	169,000		176,000
Related allowance	10,000		10,000
Average recorded investment with no related allowance recorded	4,080,000	3,832,000
Average recorded investment with related allowance recorded	172,000	298,000
Interest income recognized with no related allowance recorded	15,000	13,000
Interest income recognized with related allowance recorded	0	0
Recorded investment in loans and leases by portfolio segment
Loans and Leases Individually Evaluated for Impairment, Allowance	10,000		10,000
Loans and Leases Collectively Evaluated for Impairment, Allowance	3,164,000		3,088,000
Total, Allowance	3,174,000		3,098,000
Loans and Leases Individually Evaluated for Impairment, Portfolio	4,246,000		3,231,000
Loans and Leases Collectively Evaluated for Impairment, Portfolio	681,909,000		662,007,000
Total Loans and Leases	686,155,000		665,238,000
Consumer loans | Acquired
Impaired Loans and Leases
Recorded investment, loans with no related allowance recorded	7,365,000		6,688,000
Recorded investment, loans with related allowance recorded	352,000		225,000
Unpaid principal balance with no related allowance recorded	7,366,000		6,688,000
Unpaid principal balance with related allowance recorded	352,000		225,000
Related allowance	47,000		41,000
Average recorded investment with no related allowance recorded	7,391,000	8,271,000
Average recorded investment with related allowance recorded	360,000	0
Interest income recognized with no related allowance recorded	15,000	5,000
Interest income recognized with related allowance recorded	2,000	0
Recorded investment in loans and leases by portfolio segment
Loans and Leases Individually Evaluated for Impairment, Allowance	47,000		41,000
Loans and Leases Collectively Evaluated for Impairment, Allowance	23,000		2,000
Total, Allowance	445,000		261,000
Loans and Leases Individually Evaluated for Impairment, Portfolio	3,311,000		2,562,000
Loans and Leases Collectively Evaluated for Impairment, Portfolio	127,262,000		134,973,000
Total Loans and Leases	196,865,000		205,487,000
Consumer loans | Acquired | Receivables Acquired with Deteriorated Credit Quality [Member]
Recorded investment in loans and leases by portfolio segment
Total, Allowance	375,000		218,000
Total Loans and Leases	66,292,000		67,952,000
Unallocated
Recorded investment in loans and leases by portfolio segment
Total, Allowance	2,485,000		2,418,000
Total Loans and Leases	0		0
Unallocated | Originated
Recorded investment in loans and leases by portfolio segment
Loans and Leases Individually Evaluated for Impairment, Allowance	0		0
Loans and Leases Collectively Evaluated for Impairment, Allowance	2,485,000		2,418,000
Total, Allowance	2,485,000		2,418,000
Loans and Leases Individually Evaluated for Impairment, Portfolio	0		0
Loans and Leases Collectively Evaluated for Impairment, Portfolio	0		0
Total Loans and Leases	0		0
Unallocated | Acquired
Recorded investment in loans and leases by portfolio segment
Loans and Leases Individually Evaluated for Impairment, Allowance	0		0
Loans and Leases Collectively Evaluated for Impairment, Allowance	0		0
Total, Allowance	0		0
Loans and Leases Individually Evaluated for Impairment, Portfolio	0		0
Loans and Leases Collectively Evaluated for Impairment, Portfolio	0		0
Total Loans and Leases	0		0
Unallocated | Acquired | Receivables Acquired with Deteriorated Credit Quality [Member]
Recorded investment in loans and leases by portfolio segment
Total, Allowance	0		0
Total Loans and Leases	$ 0		$ 0

XML

Investments in Qualified Affordable Housing Projects - Prior Period Adjustments (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014		Dec. 31, 2014
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other assets	$ 79,526	[1]			$ 80,479	[1]
Retained earnings	90,589	[1]			84,860	[1]
Provision for income taxes	7,104	[1]	6,379	[1]
Net income	11,703	[1]	10,542	[1]
EPS, Basic (in dollars per share)	$ 0.17	[1]	$ 0.15	[1]
Accounting Standards Update 2014-01 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other assets					80,479
Retained earnings					84,860
Loss from investments in affordable housing projects, as reported			0
Provision for income taxes			6,379
Net income			10,542
EPS, Basic (in dollars per share)			$ 0.15
Effective tax rate			36.78%
Accounting Standards Update 2014-01 [Member] | Scenario, Previously Reported [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other assets					79,411
Retained earnings					83,792
Loss from investments in affordable housing projects, as reported			504
Provision for income taxes			5,995
Net income			10,422
EPS, Basic (in dollars per share)			$ 0.15
Effective tax rate			35.60%
Accounting Standards Update 2014-01 [Member] | Restatement Adjustment [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other assets					1,068
Retained earnings					1,068
Loss from investments in affordable housing projects, as reported			(504)
Provision for income taxes			384
Net income			$ 120
EPS, Basic (in dollars per share)			$ 0.00
Effective tax rate			1.18%

[1] Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

XML

Allowance for Loan and Lease Losses (Details 3) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Age analysis of past due loans
Past due Total	$ 31,436	$ 34,920
Current	4,603,158	4,787,687
Total Loans and Leases	4,634,594	4,822,607
Loans and leases past due greater than 90 days and accruing	8,061	6,008
Nonaccrual loans and leases	22,734	13,714
Originated
Age analysis of past due loans
Past due Total	12,720	16,823
Current	4,060,770	4,215,130
Total Loans and Leases	4,073,490	4,231,953
Loans and leases past due greater than 90 days and accruing	0	2
Nonaccrual loans and leases	17,304	9,132
Acquired
Age analysis of past due loans
Past due Total	18,716	18,097
Current	542,388	572,557
Total Loans and Leases	561,104	590,654
Loans and leases past due greater than 90 days and accruing	8,061	6,006
Nonaccrual loans and leases	5,430	4,582
Commercial real estate loans
Age analysis of past due loans
Total Loans and Leases	2,500,887	2,467,801
Commercial real estate loans | Originated
Age analysis of past due loans
Past due Total	1,501	2,592
Current	2,192,372	2,145,317
Total Loans and Leases	2,193,873	2,147,909
Loans and leases past due greater than 90 days and accruing	0	0
Nonaccrual loans and leases	3,135	1,009
Commercial real estate loans | Acquired
Age analysis of past due loans
Past due Total	9,858	8,368
Current	297,156	311,524
Total Loans and Leases	307,014	319,892
Loans and leases past due greater than 90 days and accruing	5,253	2,750
Nonaccrual loans and leases	115	0
Commercial real estate mortgage
Age analysis of past due loans
Total Loans and Leases	1,714,140	1,680,082
Commercial real estate mortgage | Originated
Age analysis of past due loans
Past due Total	1,501	2,207
Current	1,469,553	1,423,414
Total Loans and Leases	1,471,054	1,425,621
Loans and leases past due greater than 90 days and accruing	0	0
Nonaccrual loans and leases	3,135	1,009
Commercial real estate mortgage | Acquired
Age analysis of past due loans
Past due Total	6,753	7,081
Current	236,333	247,380
Total Loans and Leases	243,086	254,461
Loans and leases past due greater than 90 days and accruing	3,065	2,387
Nonaccrual loans and leases	115	0
Multi-family mortgage
Age analysis of past due loans
Total Loans and Leases	652,500	639,706
Multi-family mortgage | Originated
Age analysis of past due loans
Past due Total	0	385
Current	590,590	575,829
Total Loans and Leases	590,590	576,214
Loans and leases past due greater than 90 days and accruing	0	0
Nonaccrual loans and leases	0	0
Multi-family mortgage | Acquired
Age analysis of past due loans
Past due Total	2,878	1,287
Current	59,032	62,205
Total Loans and Leases	61,910	63,492
Loans and leases past due greater than 90 days and accruing	2,188	363
Nonaccrual loans and leases	0	0
Construction
Age analysis of past due loans
Total Loans and Leases	134,247	148,013
Construction | Originated
Age analysis of past due loans
Past due Total	0	0
Current	132,229	146,074
Total Loans and Leases	132,229	146,074
Loans and leases past due greater than 90 days and accruing	0	0
Nonaccrual loans and leases	0	0
Construction | Acquired
Age analysis of past due loans
Past due Total	227	0
Current	1,791	1,939
Total Loans and Leases	2,018	1,939
Loans and leases past due greater than 90 days and accruing	0	0
Nonaccrual loans and leases	0	0
Commercial loans
Age analysis of past due loans
Total Loans and Leases	1,227,352	1,167,094
Commercial loans | Originated
Age analysis of past due loans
Past due Total	7,077	7,698
Current	1,163,050	1,094,121
Total Loans and Leases	1,170,127	1,101,819
Loans and leases past due greater than 90 days and accruing	0	2
Nonaccrual loans and leases	11,131	5,936
Commercial loans | Acquired
Age analysis of past due loans
Past due Total	4,313	4,353
Current	52,912	60,922
Total Loans and Leases	57,225	65,275
Loans and leases past due greater than 90 days and accruing	696	697
Nonaccrual loans and leases	3,229	2,483
Commercial
Age analysis of past due loans
Total Loans and Leases	560,344	514,077
Commercial | Originated
Age analysis of past due loans
Past due Total	2,925	3,133
Current	512,450	459,597
Total Loans and Leases	515,375	462,730
Loans and leases past due greater than 90 days and accruing	0	2
Nonaccrual loans and leases	8,810	2,722
Commercial | Acquired
Age analysis of past due loans
Past due Total	4,251	4,233
Current	40,718	47,114
Total Loans and Leases	44,969	51,347
Loans and leases past due greater than 90 days and accruing	624	624
Nonaccrual loans and leases	3,229	2,474
Equipment financing
Age analysis of past due loans
Total Loans and Leases	614,301	601,424
Equipment financing | Originated
Age analysis of past due loans
Past due Total	3,789	4,064
Current	598,256	583,432
Total Loans and Leases	602,045	587,496
Loans and leases past due greater than 90 days and accruing	0	0
Nonaccrual loans and leases	2,321	3,214
Equipment financing | Acquired
Age analysis of past due loans
Past due Total	62	120
Current	12,194	13,808
Total Loans and Leases	12,256	13,928
Loans and leases past due greater than 90 days and accruing	72	73
Nonaccrual loans and leases	0	9
Condominium association
Age analysis of past due loans
Total Loans and Leases	52,707	51,593
Condominium association | Originated
Age analysis of past due loans
Past due Total	363	501
Current	52,344	51,092
Total Loans and Leases	52,707	51,593
Loans and leases past due greater than 90 days and accruing	0	0
Nonaccrual loans and leases	0	0
Condominium association | Acquired
Age analysis of past due loans
Total Loans and Leases	0	0
Indirect automobile
Age analysis of past due loans
Total Loans and Leases	23,335	316,987
Indirect automobile | Originated
Age analysis of past due loans
Past due Total	2,711	5,724
Current	20,624	311,263
Total Loans and Leases	23,335	316,987
Loans and leases past due greater than 90 days and accruing	0	0
Nonaccrual loans and leases	468	645
Indirect automobile | Acquired
Age analysis of past due loans
Total Loans and Leases	0	0
Consumer loans
Age analysis of past due loans
Total Loans and Leases	883,020	870,725
Consumer loans | Originated
Age analysis of past due loans
Past due Total	1,431	809
Current	684,724	664,429
Total Loans and Leases	686,155	665,238
Loans and leases past due greater than 90 days and accruing	0	0
Nonaccrual loans and leases	2,570	1,542
Consumer loans | Acquired
Age analysis of past due loans
Past due Total	4,545	5,376
Current	192,320	200,111
Total Loans and Leases	196,865	205,487
Loans and leases past due greater than 90 days and accruing	2,112	2,559
Nonaccrual loans and leases	2,086	2,099
Residential mortgage
Age analysis of past due loans
Total Loans and Leases	578,994	571,920
Residential mortgage | Originated
Age analysis of past due loans
Past due Total	1,001	501
Current	481,773	471,577
Total Loans and Leases	482,774	472,078
Loans and leases past due greater than 90 days and accruing	0	0
Nonaccrual loans and leases	2,290	1,340
Residential mortgage | Acquired
Age analysis of past due loans
Past due Total	2,536	2,715
Current	93,684	97,127
Total Loans and Leases	96,220	99,842
Loans and leases past due greater than 90 days and accruing	2,077	2,372
Nonaccrual loans and leases	342	342
Home equity
Age analysis of past due loans
Total Loans and Leases	292,198	287,058
Home equity | Originated
Age analysis of past due loans
Past due Total	363	256
Current	191,352	181,324
Total Loans and Leases	191,715	181,580
Loans and leases past due greater than 90 days and accruing	0	0
Nonaccrual loans and leases	235	161
Home equity | Acquired
Age analysis of past due loans
Past due Total	2,009	2,661
Current	98,474	102,817
Total Loans and Leases	100,483	105,478
Loans and leases past due greater than 90 days and accruing	35	187
Nonaccrual loans and leases	1,744	1,757
Other consumer
Age analysis of past due loans
Total Loans and Leases	11,828	11,747
Other consumer | Originated
Age analysis of past due loans
Past due Total	67	52
Current	11,599	11,528
Total Loans and Leases	11,666	11,580
Loans and leases past due greater than 90 days and accruing	0	0
Nonaccrual loans and leases	45	41
Other consumer | Acquired
Age analysis of past due loans
Past due Total	0	0
Current	162	167
Total Loans and Leases	162	167
Loans and leases past due greater than 90 days and accruing	0	0
Nonaccrual loans and leases	0	0
31-60 Days
Age analysis of past due loans
Past due Total	10,489	12,439
31-60 Days | Originated
Age analysis of past due loans
Past due Total	5,307	9,536
31-60 Days | Acquired
Age analysis of past due loans
Past due Total	5,182	2,903
31-60 Days | Commercial real estate loans | Originated
Age analysis of past due loans
Past due Total	179	2,016
31-60 Days | Commercial real estate loans | Acquired
Age analysis of past due loans
Past due Total	3,876	1,184
31-60 Days | Commercial real estate mortgage | Originated
Age analysis of past due loans
Past due Total	179	1,631
31-60 Days | Commercial real estate mortgage | Acquired
Age analysis of past due loans
Past due Total	3,186	989
31-60 Days | Multi-family mortgage | Originated
Age analysis of past due loans
Past due Total	0	385
31-60 Days | Multi-family mortgage | Acquired
Age analysis of past due loans
Past due Total	690	195
31-60 Days | Construction | Originated
Age analysis of past due loans
Past due Total	0	0
31-60 Days | Construction | Acquired
Age analysis of past due loans
Past due Total	0	0
31-60 Days | Commercial loans | Originated
Age analysis of past due loans
Past due Total	2,815	2,793
31-60 Days | Commercial loans | Acquired
Age analysis of past due loans
Past due Total	348	714
31-60 Days | Commercial | Originated
Age analysis of past due loans
Past due Total	793	758
31-60 Days | Commercial | Acquired
Age analysis of past due loans
Past due Total	348	712
31-60 Days | Equipment financing | Originated
Age analysis of past due loans
Past due Total	1,659	1,534
31-60 Days | Equipment financing | Acquired
Age analysis of past due loans
Past due Total	0	2
31-60 Days | Condominium association | Originated
Age analysis of past due loans
Past due Total	363	501
31-60 Days | Indirect automobile | Originated
Age analysis of past due loans
Past due Total	1,957	4,635
31-60 Days | Consumer loans | Originated
Age analysis of past due loans
Past due Total	356	92
31-60 Days | Consumer loans | Acquired
Age analysis of past due loans
Past due Total	958	1,005
31-60 Days | Residential mortgage | Originated
Age analysis of past due loans
Past due Total	173	0
31-60 Days | Residential mortgage | Acquired
Age analysis of past due loans
Past due Total	66	0
31-60 Days | Home equity | Originated
Age analysis of past due loans
Past due Total	159	75
31-60 Days | Home equity | Acquired
Age analysis of past due loans
Past due Total	892	1,005
31-60 Days | Other consumer | Originated
Age analysis of past due loans
Past due Total	24	17
31-60 Days | Other consumer | Acquired
Age analysis of past due loans
Past due Total	0	0
61-90 Days
Age analysis of past due loans
Past due Total	3,896	8,117
61-90 Days | Originated
Age analysis of past due loans
Past due Total	2,488	2,410
61-90 Days | Acquired
Age analysis of past due loans
Past due Total	1,408	5,707
61-90 Days | Commercial real estate loans | Originated
Age analysis of past due loans
Past due Total	1,122	416
61-90 Days | Commercial real estate loans | Acquired
Age analysis of past due loans
Past due Total	614	4,434
61-90 Days | Commercial real estate mortgage | Originated
Age analysis of past due loans
Past due Total	1,122	416
61-90 Days | Commercial real estate mortgage | Acquired
Age analysis of past due loans
Past due Total	387	3,705
61-90 Days | Multi-family mortgage | Originated
Age analysis of past due loans
Past due Total	0	0
61-90 Days | Multi-family mortgage | Acquired
Age analysis of past due loans
Past due Total	0	729
61-90 Days | Construction | Originated
Age analysis of past due loans
Past due Total	0	0
61-90 Days | Construction | Acquired
Age analysis of past due loans
Past due Total	227	0
61-90 Days | Commercial loans | Originated
Age analysis of past due loans
Past due Total	407	1,014
61-90 Days | Commercial loans | Acquired
Age analysis of past due loans
Past due Total	594	540
61-90 Days | Commercial | Originated
Age analysis of past due loans
Past due Total	52	876
61-90 Days | Commercial | Acquired
Age analysis of past due loans
Past due Total	594	488
61-90 Days | Equipment financing | Originated
Age analysis of past due loans
Past due Total	355	138
61-90 Days | Equipment financing | Acquired
Age analysis of past due loans
Past due Total	0	52
61-90 Days | Condominium association | Originated
Age analysis of past due loans
Past due Total	0	0
61-90 Days | Indirect automobile | Originated
Age analysis of past due loans
Past due Total	624	923
61-90 Days | Consumer loans | Originated
Age analysis of past due loans
Past due Total	335	57
61-90 Days | Consumer loans | Acquired
Age analysis of past due loans
Past due Total	200	733
61-90 Days | Residential mortgage | Originated
Age analysis of past due loans
Past due Total	329	0
61-90 Days | Residential mortgage | Acquired
Age analysis of past due loans
Past due Total	51	0
61-90 Days | Home equity | Originated
Age analysis of past due loans
Past due Total	0	52
61-90 Days | Home equity | Acquired
Age analysis of past due loans
Past due Total	149	733
61-90 Days | Other consumer | Originated
Age analysis of past due loans
Past due Total	6	5
61-90 Days | Other consumer | Acquired
Age analysis of past due loans
Past due Total	0	0
Greater than 90 Days
Age analysis of past due loans
Past due Total	17,051	14,364
Greater than 90 Days | Originated
Age analysis of past due loans
Past due Total	4,925	4,877
Greater than 90 Days | Acquired
Age analysis of past due loans
Past due Total	12,126	9,487
Greater than 90 Days | Commercial real estate loans | Originated
Age analysis of past due loans
Past due Total	200	160
Greater than 90 Days | Commercial real estate loans | Acquired
Age analysis of past due loans
Past due Total	5,368	2,750
Greater than 90 Days | Commercial real estate mortgage | Originated
Age analysis of past due loans
Past due Total	200	160
Greater than 90 Days | Commercial real estate mortgage | Acquired
Age analysis of past due loans
Past due Total	3,180	2,387
Greater than 90 Days | Multi-family mortgage | Originated
Age analysis of past due loans
Past due Total	0	0
Greater than 90 Days | Multi-family mortgage | Acquired
Age analysis of past due loans
Past due Total	2,188	363
Greater than 90 Days | Construction | Originated
Age analysis of past due loans
Past due Total	0	0
Greater than 90 Days | Construction | Acquired
Age analysis of past due loans
Past due Total	0	0
Greater than 90 Days | Commercial loans | Originated
Age analysis of past due loans
Past due Total	3,855	3,891
Greater than 90 Days | Commercial loans | Acquired
Age analysis of past due loans
Past due Total	3,371	3,099
Greater than 90 Days | Commercial | Originated
Age analysis of past due loans
Past due Total	2,080	1,499
Greater than 90 Days | Commercial | Acquired
Age analysis of past due loans
Past due Total	3,309	3,033
Greater than 90 Days | Equipment financing | Originated
Age analysis of past due loans
Past due Total	1,775	2,392
Greater than 90 Days | Equipment financing | Acquired
Age analysis of past due loans
Past due Total	62	66
Greater than 90 Days | Condominium association | Originated
Age analysis of past due loans
Past due Total	0	0
Greater than 90 Days | Indirect automobile | Originated
Age analysis of past due loans
Past due Total	130	166
Greater than 90 Days | Consumer loans | Originated
Age analysis of past due loans
Past due Total	740	660
Greater than 90 Days | Consumer loans | Acquired
Age analysis of past due loans
Past due Total	3,387	3,638
Greater than 90 Days | Residential mortgage | Originated
Age analysis of past due loans
Past due Total	499	501
Greater than 90 Days | Residential mortgage | Acquired
Age analysis of past due loans
Past due Total	2,419	2,715
Greater than 90 Days | Home equity | Originated
Age analysis of past due loans
Past due Total	204	129
Greater than 90 Days | Home equity | Acquired
Age analysis of past due loans
Past due Total	968	923
Greater than 90 Days | Other consumer | Originated
Age analysis of past due loans
Past due Total	37	30
Greater than 90 Days | Other consumer | Acquired
Age analysis of past due loans
Past due Total	$ 0	$ 0

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Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of financial instruments with off-balance sheet risk

Financial instruments with off-balance-sheet risk at the dates indicated follow:

	At March 31, 2015		At December 31, 2014
	(In Thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to originate loans and leases:
Commercial real estate	$	56,739	$	107,179
Commercial	74,264		102,353
Residential mortgage	9,878		20,520
Unadvanced portion of loans and leases	534,040		629,351
Unused lines of credit:
Home equity	249,810		244,603
Other consumer	11,743		10,876
Other commercial	859		728
Unused letters of credit:
Financial standby letters of credit	16,249		16,762
Performance standby letters of credit	10		3,126
Commercial and similar letters of credit	50		50
Back-to-back interest-rate swaps	110,152		109,362

Schedule of future minimum rental payments under noncancellable operating leases

A summary of future minimum rental payments under such leases at the dates indicated follows:

	Minimum Rental Payments
	(In Thousands)
Remainder of 2015	4,130
Year ending:
2016	5,354
2017	4,831
2018	4,275
2019	3,361
Thereafter	12,266
Total	$	34,217

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Derivatives and Hedging Activities (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Asset Derivatives
Total derivatives (interest-rate products) not designated as hedging instruments	$ 3,642,000		$ 2,676,000
Liability Derivatives
Total derivatives (interest-rate products) not designated as hedging instruments	3,771,000		2,714,000
(Loss) Gain Recognized in Income on Derivatives
Estimated net credit risk exposure	129,800		39,300
Posted collateral	7,800,000		5,400,000
Derivatives not designated as hedging instruments | Interest-rate swaps
Derivatives and Hedging Activities
Number of interest-rate swaps	22		22
Notional amount of interest-rate swaps	110,200,000		109,400,000
Derivatives not designated as hedging instruments | Interest-rate products
Asset Derivatives
Total derivatives (interest-rate products) not designated as hedging instruments	3,642,000		2,676,000
Liability Derivatives
Total derivatives (interest-rate products) not designated as hedging instruments	3,771,000		2,714,000
(Loss) Gain Recognized in Income on Derivatives
(Loss) gain recognized in income on derivatives	$ (91,000)	$ 2,000

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Loans and Leases (Tables)

3 Months Ended

Mar. 31, 2015

Receivables [Abstract]

Summary of loan and lease balances and weighted average coupon rates for the originated and acquired portfolios

The following tables present loan and lease balances and weighted average coupon rates for the originated and acquired loan and lease portfolios at the dates indicated:

	At March 31, 2015
	Originated				Acquired				Total
	Balance		Weighted Average Coupon		Balance		Weighted Average Coupon		Balance		Weighted Average Coupon
	(Dollars in Thousands)
Commercial real estate loans:
Commercial real estate mortgage	$	1,471,054	4.16	%	$	243,086	4.24	%	$	1,714,140	4.17	%
Multi-family mortgage	590,590		4.10	%	61,910		4.48	%	652,500		4.13	%
Construction	132,229		3.71	%	2,018		5.42	%	134,247		3.73	%
Total commercial real estate loans	2,193,873		4.12	%	307,014		4.30	%	2,500,887		4.14	%
Commercial loans and leases:
Commercial	515,375		3.85	%	44,969		4.33	%	560,344		3.89	%
Equipment financing	602,045		6.88	%	12,256		6.14	%	614,301		6.87	%
Condominium association	52,707		4.59	%	—		—	%	52,707		4.59	%
Total commercial loans and leases	1,170,127		5.44	%	57,225		4.72	%	1,227,352		5.41	%
Indirect automobile loans	23,335		5.69	%	—		—	%	23,335		5.69	%
Consumer loans:
Residential mortgage	482,774		3.59	%	96,220		3.81	%	578,994		3.63	%
Home equity	191,715		3.35	%	100,483		3.85	%	292,198		3.53	%
Other consumer	11,666		4.95	%	162		16.61	%	11,828		5.11	%
Total consumer loans	686,155		3.55	%	196,865		3.84	%	883,020		3.62	%
Total loans and leases	$	4,073,490	4.41	%	$	561,104	4.18	%	$	4,634,594	4.39	%

	At December 31, 2014
	Originated				Acquired				Total
	Balance		Weighted Average Coupon		Balance		Weighted Average Coupon		Balance		Weighted Average Coupon
	(Dollars in Thousands)
Commercial real estate loans:
Commercial real estate mortgage	$	1,425,621	4.18	%	$	254,461	4.29	%	$	1,680,082	4.20	%
Multi-family mortgage	576,214		4.11	%	63,492		4.50	%	639,706		4.15	%
Construction	146,074		3.79	%	1,939		5.50	%	148,013		3.81	%
Total commercial real estate loans	2,147,909		4.13	%	319,892		4.34	%	2,467,801		4.16	%
Commercial loans and leases:
Commercial	462,730		3.88	%	51,347		4.14	%	514,077		3.91	%
Equipment financing	587,496		6.92	%	13,928		6.22	%	601,424		6.90	%
Condominium association	51,593		4.60	%	—		—	%	51,593		4.60	%
Total commercial loans and leases	1,101,819		5.53	%	65,275		4.58	%	1,167,094		5.48	%
Indirect automobile loans	316,987		4.47	%	—		—	%	316,987		4.47	%
Consumer loans:
Residential mortgage	472,078		3.60	%	99,842		3.77	%	571,920		3.63	%
Home equity	181,580		3.35	%	105,478		3.85	%	287,058		3.53	%
Other consumer	11,580		5.13	%	167		16.35	%	11,747		5.29	%
Total consumer loans	665,238		3.56	%	205,487		3.82	%	870,725		3.62	%
Total loans and leases	$	4,231,953	4.43	%	$	590,654	4.19	%	$	4,822,607	4.40	%

Schedule of activity in the accretable yield for acquired loan portfolio

The following table summarizes activity in the accretable yield for the acquired loan portfolio for the periods indicated:

	Three Months Ended March 31,
	2015			2014
	(In Thousands)
Balance at beginning of period	$	32,044		$	45,789
Reclassification from nonaccretable difference for loans with improved cash flows	1,440			1,440
Accretion	(2,824		)	(4,728		)
Balance at end of period	$	30,660		$	42,501

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Premises and Equipment (Details) (USD $)	3 Months Ended		1 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jan. 31, 2014	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Proceeds from sales or premises and equipment	$ 0	$ 1,972,000
Carrying value of premises and equipment	79,252,000			80,619,000
Gain on sale/disposals of premises and equipment, net	0	1,510,000
Facility
Property, Plant and Equipment [Line Items]
Proceeds from sales or premises and equipment			2,200,000
Carrying value of premises and equipment			400,000
Cost of sale		200,000
Gain on sale/disposals of premises and equipment, net		$ 1,600,000

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Loans and Leases (Details 2) (Acquired, USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Acquired
Summarized activity in accretable yield for the acquired loan portfolio
Balance at beginning of period	$ 32,044,000	$ 45,789,000
Reclassification from nonaccretable difference for loans with improved cash flows	1,440,000	1,440,000
Accretion	(2,824,000)	(4,728,000)
Balance at end of period	30,660,000	42,501,000
Aggregate remaining nonaccretable difference (representing both principal and interest) applicable to acquired loans	$ 2,100,000		$ 3,600,000

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Investment Securities (Details 3) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Investment Securities
Estimated fair value	$ 565,115,000		$ 550,761,000
Net unrealized gain (loss)	2,500,000		(2,800,000)
Purchases of investment securities available-for-sale	29,466,000	48,516,000
U.S. Government-Sponsored Enterprises backed explicitly by the full faith and credit of the U.S. Government
Investment Securities
Estimated fair value	25,400,000		26,200,000
GSEs
Investment Securities
Estimated fair value	23,253,000		22,988,000
Net unrealized gain (loss)	400,000
Number of securities under unrealized loss position	0		4
Number of securities	8		8
GSE mortgage-related securities
Investment Securities
Estimated fair value	498,900,000		485,200,000
Net unrealized gain (loss)	1,600,000		(3,100,000)
Number of securities under unrealized loss position	53		79
Number of securities	257		250
Purchases of investment securities available-for-sale	29,500,000	36,500,000
SBA commercial loan asset-backed securities
Investment Securities
Estimated fair value	197,000		203,000
Number of securities under unrealized loss position	7		7
Number of securities	8		8
Corporate debt obligations
Investment Securities
Estimated fair value	40,541,000		40,207,000
Net unrealized gain (loss)	700,000		400,000
Number of securities under unrealized loss position	0		1
Number of securities	13		13
Purchases of investment securities available-for-sale		12,000,000
Number of issuers defaulting on scheduled payments	0
Trust preferred securities
Investment Securities
Estimated fair value	1,262,000		1,240,000
Net unrealized gain (loss)	(200,000)		(200,000)
Number of securities under unrealized loss position	2		2
Number of securities	2		2
Number of issuers defaulting on scheduled payments	0
Marketable equity securities
Investment Securities
Estimated fair value	$ 985,000		$ 973,000
Number of securities under unrealized loss position			0

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Goodwill and Other Intangible Assets (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015
Scheduled amortization expense attributable to other acquisition-related intangible assets
Remainder of 2015	$ 2,173
Year ending:
2016	2,500
2017	2,089
2018	1,669
2019	1,295
Thereafter	1,991
Total	$ 11,717

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Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Assets:
Total securities available-for-sale	$ 565,115	$ 550,761
Interest-rate swaps	3,642	2,676
Liabilities:
Interest-rate swaps	3,771	2,714
Changes in generic pricing of securities period one, considered for analyzing changes in prices obtained from pricing service	15 years
Changes in generic pricing of securities period two, considered for analyzing changes in prices obtained from pricing service	30 years
Recurring basis
Assets:
Interest-rate swaps	3,642	2,676
Liabilities:
Interest-rate swaps	3,771	2,714
Recurring basis | Securities available for sale
Assets:
Total securities available-for-sale	565,115	550,761
Recurring basis | Debt securities
Assets:
Total securities available-for-sale	564,130	549,788
Recurring basis | GSEs
Assets:
Total securities available-for-sale	23,253	22,988
Recurring basis | GSE CMOs
Assets:
Total securities available-for-sale	227,843	234,169
Recurring basis | GSE MBSs
Assets:
Total securities available-for-sale	271,034	250,981
Recurring basis | SBA commercial loan asset-backed securities
Assets:
Total securities available-for-sale	197	203
Recurring basis | Corporate debt obligations
Assets:
Total securities available-for-sale	40,541	40,207
Recurring basis | Trust preferred securities
Assets:
Total securities available-for-sale	1,262	1,240
Recurring basis | Marketable equity securities
Assets:
Total securities available-for-sale	985	973
Recurring basis | Level 1
Assets:
Interest-rate swaps	0	0
Liabilities:
Interest-rate swaps	0	0
Recurring basis | Level 1 | Securities available for sale
Assets:
Total securities available-for-sale	985	973
Recurring basis | Level 1 | Debt securities
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 1 | GSEs
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 1 | GSE CMOs
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 1 | GSE MBSs
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 1 | SBA commercial loan asset-backed securities
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 1 | Corporate debt obligations
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 1 | Trust preferred securities
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 1 | Marketable equity securities
Assets:
Total securities available-for-sale	985	973
Recurring basis | Level 2
Assets:
Interest-rate swaps	3,642	2,676
Liabilities:
Interest-rate swaps	3,771	2,714
Recurring basis | Level 2 | Securities available for sale
Assets:
Total securities available-for-sale	564,130	549,788
Recurring basis | Level 2 | Debt securities
Assets:
Total securities available-for-sale	564,130	549,788
Recurring basis | Level 2 | GSEs
Assets:
Total securities available-for-sale	23,253	22,988
Recurring basis | Level 2 | GSE CMOs
Assets:
Total securities available-for-sale	227,843	234,169
Recurring basis | Level 2 | GSE MBSs
Assets:
Total securities available-for-sale	271,034	250,981
Recurring basis | Level 2 | SBA commercial loan asset-backed securities
Assets:
Total securities available-for-sale	197	203
Recurring basis | Level 2 | Corporate debt obligations
Assets:
Total securities available-for-sale	40,541	40,207
Recurring basis | Level 2 | Trust preferred securities
Assets:
Total securities available-for-sale	1,262	1,240
Recurring basis | Level 2 | Marketable equity securities
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 3
Assets:
Interest-rate swaps	0	0
Liabilities:
Interest-rate swaps	0	0
Recurring basis | Level 3 | Securities available for sale
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 3 | Debt securities
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 3 | GSEs
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 3 | GSE CMOs
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 3 | GSE MBSs
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 3 | SBA commercial loan asset-backed securities
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 3 | Corporate debt obligations
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 3 | Trust preferred securities
Assets:
Total securities available-for-sale	0	0
Recurring basis | Level 3 | Marketable equity securities
Assets:
Total securities available-for-sale	$ 0	$ 0

XML

Allowance for Loan and Lease Losses (Details 4)	Mar. 31, 2015 class
Commercial real estate loans
Allowance for loan losses and recorded investment in loans
Number of loan classes within specific portfolio	3
Commercial real estate
Allowance for loan losses and recorded investment in loans
Percentage of loans to aggregate outstanding amount	37.00%
Multi-family mortgage
Allowance for loan losses and recorded investment in loans
Percentage of loans to aggregate outstanding amount	14.10%
Construction loans
Allowance for loan losses and recorded investment in loans
Percentage of loans to aggregate outstanding amount	2.90%
Commercial loans
Allowance for loan losses and recorded investment in loans
Number of loan classes within specific portfolio	3
Commercial
Allowance for loan losses and recorded investment in loans
Percentage of loans to aggregate outstanding amount	12.10%
Equipment financing
Allowance for loan losses and recorded investment in loans
Percentage of loans to aggregate outstanding amount	13.30%
Condominium association
Allowance for loan losses and recorded investment in loans
Percentage of loans to aggregate outstanding amount	1.10%
Indirect automobile
Allowance for loan losses and recorded investment in loans
Percentage of loans to aggregate outstanding amount	0.50%
Consumer loans
Allowance for loan losses and recorded investment in loans
Number of loan classes within specific portfolio	3
Minimum loan-to-value ratio needed for loans to be made	80.00%
Residential
Allowance for loan losses and recorded investment in loans
Percentage of loans to aggregate outstanding amount	12.50%
Home equity
Allowance for loan losses and recorded investment in loans
Percentage of loans to aggregate outstanding amount	6.30%
Other consumer
Allowance for loan losses and recorded investment in loans
Percentage of loans to aggregate outstanding amount	0.30%

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Basis of Presentation

3 Months Ended

Mar. 31, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

Overview

Brookline Bancorp, Inc. (the “Company”) is a bank holding company (within the meaning of the Bank Holding Company Act of 1956, as amended) and the parent of Brookline Bank, a Massachusetts-chartered savings bank; Bank Rhode Island (“BankRI”), a Rhode Island-chartered financial institution; and First Ipswich Bank (“First Ipswich” and formerly known as the First National Bank of Ipswich), a Massachusetts-chartered savings bank (collectively referred to as the “Banks”). The Banks are all members of the Federal Reserve System. The Company is also the parent of Brookline Securities Corp. (“BSC”). The Company’s primary business is to provide commercial, business and retail banking services to its corporate, municipal and individual customers through its banks and non-bank subsidiaries.

Brookline Bank, which includes its wholly-owned subsidiaries BBS Investment Corp., Longwood Securities Corp. and its 84.7%-owned subsidiary, Eastern Funding LLC (“Eastern Funding”), operates 24 full-service banking offices in the greater Boston metropolitan area. BankRI, which includes its wholly-owned subsidiaries BRI Investment Corp., Macrolease Corporation (“Macrolease”), Acorn Insurance Agency, BRI Realty Corp. and BRI MSC Corp., operates 19 full-service banking offices in the greater Providence area. First Ipswich, which includes its wholly-owned subsidiaries First Ipswich Securities II Corp. and First Ipswich Insurance Agency, operates 5 full-service banking offices on the north shore of eastern Massachusetts.

The Company’s activities include acceptance of commercial, municipal and retail deposits, origination of mortgage loans on commercial and residential real estate located principally in Massachusetts and Rhode Island, origination of commercial loans and leases to small- and mid-sized businesses, investment in debt and equity securities, and the offering of cash management and investment advisory services. The Company also provides specialty equipment financing through its subsidiaries Eastern Funding, which is based in New York City, New York, and Macrolease, which is based in Plainview, New York. The Company ceased the origination of indirect automobile loans in December 2014.

The Company and the Banks are supervised, examined and regulated by the Board of Governors of the Federal Reserve System ("FRB"). As Massachusetts-chartered banks, Brookline Bank and First Ipswich are also subject to regulation under the laws of the Commonwealth of Massachusetts and the jurisdiction of the Massachusetts Division of Banks. As a Rhode Island-chartered bank, BankRI is also subject to regulation under the laws of the State of Rhode Island and the jurisdiction of the Banking Division of the Rhode Island Department of Business Regulation.

The Federal Deposit Insurance Corporation (“FDIC”) offers insurance coverage on all deposits up to $250,000 per depositor at each of the three Banks. As FDIC-insured depository institutions, all three Banks are also secondarily subject to supervision, examination and regulation by the FDIC. Additionally, as a Massachusetts-chartered savings bank, Brookline Bank is also insured by the Depositors Insurance Fund (“DIF”), a private industry-sponsored insurance company. The DIF insures savings bank deposits in excess of the FDIC insurance limits. As such, Brookline Bank offers 100% insurance on all deposits as a result of a combination of insurance from the FDIC and the DIF. Brookline Bank is required to file reports with the DIF.

Basis of Financial Statement Presentation

The unaudited consolidated financial statements of the Company presented herein have been prepared pursuant to the rules of the Securities and Exchange Commission (“SEC”) for quarterly reports on Form 10-Q and do not include all of the information and note disclosures required by U.S. generally accepted accounting principles (“GAAP”). In the opinion of management, all adjustments (consisting of normal recurring adjustments) and disclosures considered necessary for the fair presentation of the accompanying consolidated financial statements have been included. Interim results are not necessarily reflective of the results of the entire year. The accompanying unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Annual Report on Form 10-K for the fiscal year ended December 31, 2014. 

The unaudited consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All significant intercompany transactions and balances are eliminated in consolidation.

In preparing these consolidated financial statements, management is required to make significant estimates and assumptions that affect the reported amounts of assets, liabilities, income, expenses and disclosure of contingent assets and liabilities. Actual results could differ from those estimates based upon changing conditions, including economic conditions and future events. Material estimates that are particularly susceptible to significant change in the near-term include the determination of the allowance for loan and lease losses, the determination of fair market values of assets and liabilities, including acquired loans and leases, the review of goodwill and intangibles for impairment and the review of deferred tax assets for valuation allowances.

The judgments used by management in applying these critical accounting policies may be affected by a further and prolonged deterioration in the economic environment, which may result in changes to future financial results. For example, subsequent evaluations of the loan and lease portfolio, in light of the factors then prevailing, may result in significant changes in the allowance for loan and lease losses in future periods, and the inability to collect outstanding principal may result in increased loan and lease losses.

Reclassification

Certain previously reported amounts have been reclassified to conform to the current year’s presentation, which did not change stockholders' equity and net income reported.

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Fair Value of Financial Instruments (Details 2) (Securities available for sale, USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Securities available for sale
Reconciliation of assets measured at fair value on a recurring basis
Investment securities available-for-sale, beginning of period	$ 0	$ 1,775
Total unrealized losses included in other comprehensive income	0	(85)
Investment securities available-for-sale, end of period	$ 0	$ 1,690

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Loans and Leases (Details 3) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Receivables [Abstract]
Loans and leases pledged as collateral	$ 2,000,000,000	$ 1,600,000,000
FRB borrowings	$ 0	$ 0

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Comprehensive Income/(Loss) (Tables)

3 Months Ended

Mar. 31, 2015

Equity [Abstract]

Schedule of changes in accumulated other comprehensive (loss) income by component, net of tax

Changes in accumulated other comprehensive (loss) income by component, net of tax, were as follows for the periods indicated:

	Three Months Ended March 31, 2015
	Investment Securities Available-for-Sale			Postretirement Benefits		Accumulated Other Comprehensive Income
	(In Thousands)
Balance at December 31, 2014	$	(1,733	)	$	111	$	(1,622	)
Other comprehensive income	3,369			—		3,369
Balance at March 31, 2015	$	1,636		$	111	$	1,747

	Three Months Ended March 31, 2014
	Investment Securities  Available-for-Sale			Postretirement Benefits			Accumulated Other Comprehensive Income
	(In Thousands)
Balance at December 31, 2013	$	(8,332	)	$	417		$	(7,915	)
Other comprehensive income (loss)	2,031			(52		)	1,979
Balance at March 31, 2014	$	(6,301	)	$	365		$	(5,936	)

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Investments in Qualified Affordable Housing Projects (Tables)

3 Months Ended

Mar. 31, 2015

Investments in Affordable Housing Projects [Abstract]

Investments in Affordable Housing Projects

Further information regarding the Company's investments in affordable housing projects follows:

	At March 31, 2015		At December 31, 2014
	(In Thousands)
Investments in affordable housing projects included in other assets	$	10,790	$	10,313
Unfunded commitments related to affordable housing projects included in other liabilities	2,338		2,608

	At and for the Three Months Ended March 31, 2015
	(In Thousands)
Investments in affordable housing projects tax credits included in other liabilities	$	397
Investments in affordable housing projects tax benefits included in other liabilities	164
Investment amortization included in pretax income	410
Amount recognized as income tax benefit	151

Schedule of Prior Period Adjustments Related to New Accounting Pronouncement

The following table illustrates the prior period adjustments related to the adoption of ASU 2014-01.

	At December 31, 2014
	(In Thousands)
Other assets, as reported	$	79,411
Prior period adjustment	1,068
Other assets, as adjusted	$	80,479
Retained earnings, as reported	$	83,792
Prior period adjustment	1,068
Retained earnings, as adjusted	$	84,860

	Three Months Ended March 31, 2014
	(In Thousands)
Loss from investments in affordable housing projects, as reported	$	504
Prior period adjustment	(504		)
Loss from investments in affordable housing projects, as adjusted	$	—
Provision for income taxes, as reported	$	5,995
Prior period adjustment	384
Provision for income taxes, as adjusted	$	6,379
Net income, as reported	$	10,422
Prior period adjustment	120
Net income, as adjusted	$	10,542
Earnings per share, as reported	$	0.15
Prior period adjustment	—
Earnings per share, as adjusted	$	0.15
Effective tax rate, as reported	35.60		%
Prior period adjustment	1.18		%
Effective tax rate, as adjusted	36.78		%

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Comprehensive Income/(Loss) (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Changes in accumulated other comprehensive (loss) income by component, net of tax
Balance at the beginning of the period	$ (1,622,000)	$ (7,915,000)
Other comprehensive income (loss)	3,369,000	1,979,000
Balance at the end of the period	1,747,000	(5,936,000)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Investment Securities Available-for-Sale
Changes in accumulated other comprehensive (loss) income by component, net of tax
Balance at the beginning of the period	(1,733,000)	(8,332,000)
Other comprehensive income (loss)	3,369,000	2,031,000
Balance at the end of the period	1,636,000	(6,301,000)
Postretirement Benefits
Changes in accumulated other comprehensive (loss) income by component, net of tax
Balance at the beginning of the period	111,000	417,000
Other comprehensive income (loss)	0	(52,000)
Balance at the end of the period	$ 111,000	$ 365,000

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Allowance for Loan and Lease Losses (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Changes in allowance for loan losses
Balance at the beginning of the period	$ 53,659,000	$ 48,473,000
Charge-offs	(1,665,000)	(1,050,000)
Recoveries	811,000	384,000
Provision (credit) for loan and lease losses	2,301,000	2,417,000
Balance at the end of the period	55,106,000	50,224,000
Unfunded credit commitments liability included in other liabilities	1,200,000	1,100,000	1,300,000
Unfunded credit commitments liability charged off	0	0
Provision (credit) for loan and lease losses:
Total provision for loan and lease losses	2,301,000	2,417,000
Unfunded credit commitments	(38,000)	26,000
Total provision for credit losses	2,263,000	2,443,000
General allowance for loan and lease losses	49,700,000		50,100,000
(Decrease) in general portion of the allowance for loan and lease losses	(400,000)
Specific allowance for loan and lease losses	2,900,000		1,200,000
Increase in specific portion of the allowance for loan and lease losses	1,700,000
Unallocated allowance for loan and lease losses	2,500,000		2,400,000
Increase in unallocated portion of the allowance for loan and lease losses	100,000
Commercial Real Estate
Changes in allowance for loan losses
Balance at the beginning of the period	29,594,000	23,022,000
Charge-offs	(388,000)	0
Recoveries	0	0
Provision (credit) for loan and lease losses	254,000	1,836,000
Balance at the end of the period	29,460,000	24,858,000
Provision (credit) for loan and lease losses:
Total provision for loan and lease losses	254,000	1,836,000
Number of loan classes within specific portfolio	3
Commercial
Changes in allowance for loan losses
Balance at the beginning of the period	15,957,000	15,220,000
Charge-offs	(450,000)	(551,000)
Recoveries	212,000	251,000
Provision (credit) for loan and lease losses	3,365,000	624,000
Balance at the end of the period	19,084,000	15,544,000
Provision (credit) for loan and lease losses:
Total provision for loan and lease losses	3,365,000	624,000
Number of loan classes within specific portfolio	3
Indirect Automobile
Changes in allowance for loan losses
Balance at the beginning of the period	2,331,000	3,924,000
Charge-offs	(820,000)	(289,000)
Recoveries	581,000	104,000
Provision (credit) for loan and lease losses	(1,634,000)	(75,000)
Balance at the end of the period	458,000	3,664,000
Provision (credit) for loan and lease losses:
Total provision for loan and lease losses	(1,634,000)	(75,000)
Release in general allowance resulting from the sale of portfolio	1,900,000
Consumer
Changes in allowance for loan losses
Balance at the beginning of the period	3,359,000	3,375,000
Charge-offs	(7,000)	(210,000)
Recoveries	18,000	29,000
Provision (credit) for loan and lease losses	249,000	(84,000)
Balance at the end of the period	3,619,000	3,110,000
Provision (credit) for loan and lease losses:
Total provision for loan and lease losses	249,000	(84,000)
Number of loan classes within specific portfolio	3
Unallocated
Changes in allowance for loan losses
Balance at the beginning of the period	2,418,000	2,932,000
Charge-offs	0	0
Recoveries	0	0
Provision (credit) for loan and lease losses	67,000	116,000
Balance at the end of the period	2,485,000	3,048,000
Provision (credit) for loan and lease losses:
Total provision for loan and lease losses	$ 67,000	$ 116,000

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Derivatives and Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of fair value and classification of the Company's derivative financial instruments on the unaudited consolidated balance sheets and the effect of the Company's derivative financial instruments on the unaudited consolidated income statements

Asset derivatives and liability derivatives are included in other assets and accrued expenses and other liabilities on the unaudited consolidated balance sheets, respectively. The table below presents the fair value and classification of the Company’s derivative financial instruments at March 31, 2015 and December 31, 2014.

	At March 31, 2015				At December 31, 2014
	Asset Derivatives		Liability Derivatives		Asset Derivatives		Liability Derivatives
	(In Thousands)
Total derivatives (interest-rate products) not designated as hedging instruments	$	3,642	$	3,771	$	2,676	$	2,714

Changes in the fair value are recognized directly in the Company's unaudited consolidated statements of income and are included in other non-interest income in the consolidated statements of income. The table below presents the gain (loss) recognized in income due to changes in the fair value for the three months endedMarch 31, 2015 and March 31, 2014.

	Three Months Ended March 31,
	2015			2014
	(In Thousands)
(Loss) gain recognized in income on derivatives	$	(91	)	$	2

Schedule of offsetting of derivatives and amounts subject to master netting agreements not offset in the unaudited consolidated balance sheet

The tables below present the offsetting of derivatives and amounts subject to master netting agreements not offset in the unaudited consolidated balance sheet at the dates indicated.

	At March 31, 2015
	Gross Amounts of Recognized Assets /Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets Presented in the Statement of Financial Position		Gross Amounts Not Offset in the Statement of Financial Position				Net Amount
							Financial Instruments		Cash Collateral (Received)/ Posted
	(In Thousands)
Asset Derivatives	$	3,642	$	—	$	3,642	$	—	$	—	$	3,642
Liability Derivatives	$	3,771	$	—	$	3,771	$	—	$	7,849	$	11,620

	At December 31, 2014
	Gross Amounts of Recognized Assets /Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets Presented in the Statement of Financial Position		Gross Amounts Not Offset in the Statement of Financial Position				Net Amount
							Financial Instruments		Cash Collateral (Received) / Posted
	(In Thousands)
Asset Derivatives	$	2,676	$	—	$	2,676	$	—	$	—	$	2,676
Liability Derivatives	$	2,714	$	—	$	2,714	$	—	$	5,353	$	8,067

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Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Schedule of reconciliation of basic and diluted earnings per share (EPS)

The following table sets forth a reconciliation of basic and diluted earnings per share (“EPS”) for the periods indicated:

	Three Months Ended
	March 31, 2015				March 31, 2014
	Basic		Fully Diluted		Basic		Fully Diluted
	(In Thousands Except Share Data)
Numerator:
Net income	$	11,703	$	11,703	$	10,542	$	10,542
Denominator:
Weighted average shares outstanding	70,036,090		70,036,090		69,875,473		69,875,473
Effect of dilutive securities	—		128,015		—		108,526
Adjusted weighted average shares outstanding	70,036,090		70,164,105		69,875,473		69,983,999
EPS	$	0.17	$	0.17	$	0.15	$	0.15

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Unaudited Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Cash flows from operating activities:
Net income attributable to Brookline Bancorp, Inc.	$ 11,703	[1]	$ 10,542	[1]
Adjustments to reconcile net income to net cash provided from operating activities:
Net income attributable to noncontrolling interest in subsidiary	602	[1]	422	[1]
Provision for credit losses	2,263		2,443
Origination of loans and leases held-for-sale	(5,185)		(652)
Proceeds from loans and leases held-for-sale, net	273,446		14,449
Proceeds from sales of other real estate owned and repossessed assets	2,647		3,879
Deferred income tax (benefit) expense	(149)		1,261
Depreciation of premises and equipment	1,792		1,670
Amortization of investment securities premiums and discounts, net	509		698
Amortization of deferred loan and lease origination costs, net	1,860		2,439
Amortization of identified intangible assets	738		861
Amortization of debt issuance costs	25		0
Accretion of acquisition fair value adjustments, net	(1,875)		(4,841)
Gain on sales of loans and leases held-for-sale	(869)		(602)
Gain on sales of OREO and repossessed assets, net	0		(16)
Write-down of OREO and repossessed assets	38		111
Gain on sale/disposals of premises and equipment, net	0		(1,510)
Compensation under recognition and retention plans	366		401
ESOP shares committed to be released	93		94
Net change in:
Cash surrender value of bank-owned life insurance	(263)		(258)
Other assets	1,216	[1]	3,373	[1]
Accrued expenses and other liabilities	(10,525)		(5,893)
Net cash provided from operating activities	278,432	[1]	28,871	[1]
Cash flows from investing activities:
Proceeds from maturities, calls and principal repayments of investment securities available-for-sale	19,974		16,466
Purchases of investment securities available-for-sale	(29,466)		(48,516)
Proceeds from maturities, calls, and principal repayments of investment securities held-to-maturity	0		500
Purchases of investment securities held-to-maturity	0		(500)
Net increase in loans and leases	(83,175)		(102,081)
Proceeds from sales of premises and equipment	0		1,972
Purchase of premises and equipment, net	(466)		(3,069)
Net cash used for investing activities	(93,133)		(135,228)
Cash flows from financing activities:
Increase in demand checking, NOW, savings and money market accounts	51,817		29,539
Increase/(decrease) in certificates of deposit	104,915		(16,961)
Proceeds from FHLBB advances	1,587,500		594,501
Repayment of FHLBB advances	(1,784,343)		(506,629)
Decrease in other borrowed funds, net	(3,987)		(7,700)
(Decrease)/increase in mortgagors’ escrow accounts, net	(87)		807
Payment of dividends on common stock	(5,974)		(5,964)
Payment of dividends to owners of noncontrolling interest in subsidiary	(742)		(805)
Net cash (used for)/provided from financing activities	(50,901)		86,788
Net increase/(decrease) in cash and cash equivalents	134,398		(19,569)
Cash and cash equivalents at beginning of period	62,723		92,505
Cash and cash equivalents at end of period	197,121		72,936
Cash paid during the period for:
Interest on deposits, borrowed funds and subordinated debt	9,996		7,747
Income taxes	3,216		599
Non-cash investing activities:
Transfer from loans and leases to loans and leases held-for-sale	266,421		0
Transfer from loans to other real estate owned	$ 3,252		$ 3,686

[1] Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

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Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2015

Fair value of assets and liabilities

Schedule of the carrying value of assets and liabilities measured at fair value on a recurring basis

The following tables set forth the carrying value of assets and liabilities measured at fair value on a recurring basis at the dates indicated:

	Carrying Value at March 31, 2015
	Level 1		Level 2		Level 3		Total
	(In Thousands)
Assets:
Investment securities available-for-sale:
Debt securities:
GSEs	$	—	$	23,253	$	—	$	23,253
GSE CMOs	—		227,843		—		227,843
GSE MBSs	—		271,034		—		271,034
SBA commercial loan asset-backed securities	—		197		—		197
Corporate debt obligations	—		40,541		—		40,541
Trust preferred securities	—		1,262		—		1,262
Total debt securities	—		564,130		—		564,130
Marketable equity securities	985		—		—		985
Total investment securities available-for-sale	$	985	$	564,130	$	—	$	565,115
Interest-rate swaps	$	—	$	3,642	$	—	$	3,642
Liabilities:
Interest-rate swaps	$	—	$	3,771	$	—	$	3,771

	Carrying Value at December 31, 2014
	Level 1		Level 2		Level 3		Total
	(In Thousands)
Assets:
Investment securities available-for-sale:
Debt securities:
GSEs	$	—	$	22,988	$	—	$	22,988
GSE CMOs	—		234,169		—		234,169
GSE MBSs	—		250,981		—		250,981
SBA commercial loan asset-backed securities	—		203		—		203
Corporate debt obligations	—		40,207		—		40,207
Trust preferred securities	—		1,240		—		1,240
Total debt securities	—		549,788		—		549,788
Marketable equity securities	973		—		—		973
Total investment securities available-for-sale	$	973	$	549,788	$	—	$	550,761
Interest-rate swaps	$	—	$	2,676	$	—	$	2,676
Liabilities:
Interest-rate swaps	$	—	$	2,714	$	—	$	2,714

Schedule of reconciliation of all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3)

The reconciliation of all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) is as follows:

	Three Months Ended March 31,
	2015		2014
	(In Thousands)
Investment securities available-for-sale, beginning of period	$	—	$	1,775
Total unrealized losses included in other comprehensive income	—		(85		)
Investment securities available-for-sale, end of period	$	—	$	1,690

Summary of assets and liabilities measured at fair value on a non-recurring basis

The table below summarizes assets and liabilities measured at fair value on a non-recurring basis at the dates indicated:

	Carrying Value at March 31, 2015
	Level 1		Level 2		Level 3		Total
	(In Thousands)
Assets measured at fair value on a non-recurring basis:
Collateral-dependent impaired loans and leases	$	—	$	—	$	16,530	$	16,530
OREO	—		—		1,043		1,043
Repossessed assets	—		980		—		980
Total assets measured at fair value on a non-recurring basis	$	—	$	980	$	17,573	$	18,553

	Carrying Value at December 31, 2014
	Level 1		Level 2		Level 3		Total
	(In Thousands)
Assets measured at fair value on a non-recurring basis:
Collateral-dependent impaired loans and leases	$	—	$	—	$	6,376	$	6,376
OREO	—		—		953		953
Repossessed assets	—		503		—		503
Total assets measured at fair value on a non-recurring basis	$	—	$	503	$	7,329	$	7,832

Schedule of quantitative information about significant unobservable inputs (Level 3) for assets measured at fair value on a recurring basis

The table below presents quantitative information about significant unobservable inputs (Level 3) for assets measured at fair value on a recurring and non-recurring basis at the dates indicated.

	Fair Value				Valuation Technique
	At March 31, 2015		At December 31, 2014
	(Dollars in Thousands)
Collateral-dependent impaired loans and leases	$	16,530	$	6,376	Appraisal of collateral (1)
Other real estate owned	$	1,043	$	953	Appraisal of collateral (1)

(1) Fair value is generally determined through independent appraisals of the underlying collateral. The Company may also use another available source of collateral assessment to determine a reasonable estimate of the fair value of the collateral. Appraisals may be adjusted by management for qualitative factors such as economic factors and estimated liquidation expenses. The range of these possible adjustments may vary.

Excludes Financial Instruments For Which The Carrying Amount Approximates Fair Value

Fair value of assets and liabilities

Summary of assets and liabilities measured at fair value on a non-recurring basis

The following table presents the carrying amount, estimated fair value, and placement in the fair value hierarchy of the Company’s financial instruments at the dates indicated. This table excludes financial instruments for which the carrying amount approximates fair value. Financial assets for which the fair value approximates carrying value include cash and cash equivalents, FHLBB and FRB stock and accrued interest receivable. Financial liabilities for which the fair value approximates carrying value include non-maturity deposits, short-term borrowings and accrued interest payable.

					Fair Value Measurements
	Carrying Value		Estimated Fair Value		Level 1 Inputs		Level 2 Inputs		Level 3 Inputs
	(In Thousands)
At March 31, 2015
Financial assets:
Investment securities held-to-maturity	$	500	$	500	$	—	$	—	$	500
Loans held-for-sale	787		787		—		787		—
Loans and leases, net	4,579,488		4,592,417		—		—		4,592,417
Financial liabilities:
Certificates of deposit	1,051,580		1,061,059		—		1,061,059		—
Borrowed funds	924,925		931,448		—		931,448		—
At December 31, 2014
Financial assets:
Investment securities held-to-maturity	$	500	$	500	$	—	$	—	$	500
Loans held-for-sale	1,537		1,537		—		1,537		—
Loans and leases, net	4,768,948		4,753,605		—		—		4,753,605
Financial liabilities:
Certificates of deposit	946,708		949,320		—		949,320		—
Borrowed funds	1,126,404		1,132,940		—		1,132,940		—

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Investment Securities (Details 6) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Investments, Debt and Equity Securities [Abstract]
Sales of securities	$ 0	$ 0

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Investments in Qualified Affordable Housing Projects - Additional Information (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015 project	Jan. 01, 2015
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of affordable housing project investments	8
Accounting Standards Update 2014-01 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect on retained earnings		$ 1.1

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Unaudited Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
ASSETS
Cash and due from banks	$ 35,118		$ 36,893
Short-term investments	162,003		25,830
Total cash and cash equivalents	197,121		62,723
Investment securities available-for-sale	565,115		550,761
Investment securities held-to-maturity (fair value of $500)	500		500
Total investment securities	565,615		551,261
Loans and leases held-for-sale	787		1,537
Total loans and leases	4,634,594		4,822,607
Allowance for loan and lease losses	(55,106)		(53,659)
Net loans and leases	4,579,488		4,768,948
Restricted equity securities	74,804		74,804
Premises and equipment, net of accumulated depreciation of $46,460 and $44,668, respectively	79,252		80,619
Deferred tax asset	25,834		27,687
Goodwill	137,890		137,890
Identified intangible assets, net of accumulated amortization of $26,976 and $26,238, respectively	12,806		13,544
Other real estate owned (OREO) and repossessed assets, net	2,023		1,456
Other assets	79,526	[1]	80,479	[1]
Total assets	5,755,146	[1]	5,800,948	[1]
Non-interest-bearing deposits:
Demand checking accounts	729,932		726,118
Interest-bearing deposits:
NOW accounts	237,200		235,063
Savings accounts	571,030		531,727
Money market accounts	1,525,053		1,518,490
Certificate of deposit accounts	1,051,580		946,708
Total interest-bearing deposits	3,384,863		3,231,988
Total deposits	4,114,795		3,958,106
Borrowed funds:
Advances from the Federal Home Loan Bank of Boston (FHLBB)	806,491		1,004,026
Subordinated debentures and notes	82,806		82,763
Other borrowed funds	35,628		39,615
Total borrowed funds	924,925		1,126,404
Mortgagors’ escrow accounts	8,414		8,501
Accrued expenses and other liabilities	51,046		61,332
Total liabilities	5,099,180		5,154,343
Commitments and contingencies
Brookline Bancorp, Inc. stockholders’ equity:
Common stock, $0.01 par value; 200,000,000 shares authorized; 75,744,445 shares issued	757		757
Additional paid-in capital	617,845		617,475
Retained earnings, partially restricted	90,589	[1]	84,860	[1]
Accumulated other comprehensive income (loss)	1,747		(1,622)
Treasury stock, at cost; 5,042,238 shares and 5,040,571 shares, respectively	(58,301)		(58,282)
Unallocated common stock held by the Employee Stock Ownership Plan (ESOP); 241,803 shares and 251,382 shares, respectively	(1,318)		(1,370)
Total Brookline Bancorp, Inc. stockholders’ equity	651,319	[1]	641,818	[1]
Noncontrolling interest in subsidiary	4,647		4,787
Total stockholders' equity	655,966	[1]	646,605	[1]
Total liabilities and stockholders' equity	5,755,146	[1]	5,800,948	[1]
Commercial real estate loans
ASSETS
Total loans and leases	2,500,887		2,467,801
Allowance for loan and lease losses	(29,460)		(29,594)
Commercial loans
ASSETS
Total loans and leases	1,227,352		1,167,094
Allowance for loan and lease losses	(19,084)		(15,957)
Indirect automobile
ASSETS
Total loans and leases	23,335		316,987
Allowance for loan and lease losses	(458)		(2,331)
Consumer loans
ASSETS
Total loans and leases	883,020		870,725
Allowance for loan and lease losses	$ (3,619)		$ (3,359)

[1] Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

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Allowance for Loan and Lease Losses (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Credit Quality Information
Recorded investment	$ 4,634,594	$ 4,822,607
Originated
Credit Quality Information
Recorded investment	4,073,490	4,231,953
Acquired
Credit Quality Information
Recorded investment	561,104	590,654
Commercial real estate mortgage
Credit Quality Information
Recorded investment	1,714,140	1,680,082
Commercial real estate mortgage | Originated
Credit Quality Information
Recorded investment	1,471,054	1,425,621
Commercial real estate mortgage | Acquired
Credit Quality Information
Recorded investment	243,086	254,461
Commercial real estate mortgage | Pass | Originated
Credit Quality Information
Recorded investment	1,454,500	1,402,121
Commercial real estate mortgage | Pass | Acquired
Credit Quality Information
Recorded investment	226,510	237,439
Commercial real estate mortgage | OAEM | Originated
Credit Quality Information
Recorded investment	13,368	22,491
Commercial real estate mortgage | OAEM | Acquired
Credit Quality Information
Recorded investment	8,177	8,351
Commercial real estate mortgage | Substandard | Originated
Credit Quality Information
Recorded investment	3,186	1,009
Commercial real estate mortgage | Substandard | Acquired
Credit Quality Information
Recorded investment	7,978	8,250
Commercial real estate mortgage | Doubtful | Originated
Credit Quality Information
Recorded investment	0	0
Commercial real estate mortgage | Doubtful | Acquired
Credit Quality Information
Recorded investment	421	421
Multi-family mortgage
Credit Quality Information
Recorded investment	652,500	639,706
Multi-family mortgage | Originated
Credit Quality Information
Recorded investment	590,590	576,214
Multi-family mortgage | Acquired
Credit Quality Information
Recorded investment	61,910	63,492
Multi-family mortgage | Pass | Originated
Credit Quality Information
Recorded investment	589,373	574,972
Multi-family mortgage | Pass | Acquired
Credit Quality Information
Recorded investment	59,169	60,837
Multi-family mortgage | OAEM | Originated
Credit Quality Information
Recorded investment	1,217	1,242
Multi-family mortgage | OAEM | Acquired
Credit Quality Information
Recorded investment	1,008	713
Multi-family mortgage | Substandard | Originated
Credit Quality Information
Recorded investment	0	0
Multi-family mortgage | Substandard | Acquired
Credit Quality Information
Recorded investment	1,733	1,942
Multi-family mortgage | Doubtful | Originated
Credit Quality Information
Recorded investment	0	0
Multi-family mortgage | Doubtful | Acquired
Credit Quality Information
Recorded investment	0	0
Construction
Credit Quality Information
Recorded investment	134,247	148,013
Construction | Originated
Credit Quality Information
Recorded investment	132,229	146,074
Construction | Acquired
Credit Quality Information
Recorded investment	2,018	1,939
Construction | Pass | Originated
Credit Quality Information
Recorded investment	132,229	146,074
Construction | Pass | Acquired
Credit Quality Information
Recorded investment	1,791	1,709
Construction | OAEM | Originated
Credit Quality Information
Recorded investment	0	0
Construction | OAEM | Acquired
Credit Quality Information
Recorded investment	227	230
Construction | Substandard | Originated
Credit Quality Information
Recorded investment	0	0
Construction | Substandard | Acquired
Credit Quality Information
Recorded investment	0	0
Construction | Doubtful | Originated
Credit Quality Information
Recorded investment	0	0
Construction | Doubtful | Acquired
Credit Quality Information
Recorded investment	0	0
Commercial
Credit Quality Information
Recorded investment	560,344	514,077
Commercial | Originated
Credit Quality Information
Recorded investment	515,375	462,730
Commercial | Acquired
Credit Quality Information
Recorded investment	44,969	51,347
Commercial | Pass | Originated
Credit Quality Information
Recorded investment	499,770	447,778
Commercial | Pass | Acquired
Credit Quality Information
Recorded investment	39,101	43,925
Commercial | OAEM | Originated
Credit Quality Information
Recorded investment	6,665	12,193
Commercial | OAEM | Acquired
Credit Quality Information
Recorded investment	1,568	1,852
Commercial | Substandard | Originated
Credit Quality Information
Recorded investment	7,997	1,671
Commercial | Substandard | Acquired
Credit Quality Information
Recorded investment	4,208	5,424
Commercial | Doubtful | Originated
Credit Quality Information
Recorded investment	943	1,088
Commercial | Doubtful | Acquired
Credit Quality Information
Recorded investment	92	146
Equipment Financing
Credit Quality Information
Recorded investment	614,301	601,424
Equipment Financing | Originated
Credit Quality Information
Recorded investment	602,045	587,496
Equipment Financing | Acquired
Credit Quality Information
Recorded investment	12,256	13,928
Equipment Financing | Pass | Originated
Credit Quality Information
Recorded investment	598,603	583,340
Equipment Financing | Pass | Acquired
Credit Quality Information
Recorded investment	12,186	13,795
Equipment Financing | OAEM | Originated
Credit Quality Information
Recorded investment	896	932
Equipment Financing | OAEM | Acquired
Credit Quality Information
Recorded investment	0	0
Equipment Financing | Substandard | Originated
Credit Quality Information
Recorded investment	1,106	2,338
Equipment Financing | Substandard | Acquired
Credit Quality Information
Recorded investment	70	133
Equipment Financing | Doubtful | Originated
Credit Quality Information
Recorded investment	1,440	886
Equipment Financing | Doubtful | Acquired
Credit Quality Information
Recorded investment	0	0
Condominium association
Credit Quality Information
Recorded investment	52,707	51,593
Condominium association | Originated
Credit Quality Information
Recorded investment	52,707	51,593
Condominium association | Acquired
Credit Quality Information
Recorded investment	0	0
Condominium association | Pass | Originated
Credit Quality Information
Recorded investment	52,707	51,593
Condominium association | Pass | Acquired
Credit Quality Information
Recorded investment	0	0
Condominium association | OAEM | Originated
Credit Quality Information
Recorded investment	0	0
Condominium association | OAEM | Acquired
Credit Quality Information
Recorded investment	0	0
Condominium association | Substandard | Originated
Credit Quality Information
Recorded investment	0	0
Condominium association | Substandard | Acquired
Credit Quality Information
Recorded investment	0	0
Condominium association | Doubtful | Originated
Credit Quality Information
Recorded investment	0	0
Condominium association | Doubtful | Acquired
Credit Quality Information
Recorded investment	0	0
Other Consumer
Credit Quality Information
Recorded investment	11,828	11,747
Other Consumer | Originated
Credit Quality Information
Recorded investment	11,666	11,580
Other Consumer | Acquired
Credit Quality Information
Recorded investment	162	167
Other Consumer | Pass | Originated
Credit Quality Information
Recorded investment	11,621	11,540
Other Consumer | Pass | Acquired
Credit Quality Information
Recorded investment	162	167
Other Consumer | OAEM | Originated
Credit Quality Information
Recorded investment	0	0
Other Consumer | OAEM | Acquired
Credit Quality Information
Recorded investment	0	0
Other Consumer | Substandard | Originated
Credit Quality Information
Recorded investment	45	40
Other Consumer | Substandard | Acquired
Credit Quality Information
Recorded investment	0	0
Other Consumer | Doubtful | Originated
Credit Quality Information
Recorded investment	0	0
Other Consumer | Doubtful | Acquired
Credit Quality Information
Recorded investment	0	0
Indirect Automobile
Credit Quality Information
Recorded investment	23,335	316,987
Indirect Automobile | Originated
Credit Quality Information
Recorded investment	23,335	316,987
Percentage of loans to aggregate outstanding amount	100.00%	100.00%
Indirect Automobile | Acquired
Credit Quality Information
Recorded investment	0	0
Indirect Automobile | Credit score, Over 700 | Originated
Credit Quality Information
Recorded investment	15,915	262,160
Percentage of loans to aggregate outstanding amount	68.20%	82.70%
Indirect Automobile | Credit score, 661-700 | Originated
Credit Quality Information
Recorded investment	5,403	43,422
Percentage of loans to aggregate outstanding amount	23.20%	13.70%
Indirect Automobile | Credit score, 660 and below | Originated
Credit Quality Information
Recorded investment	1,781	9,927
Percentage of loans to aggregate outstanding amount	7.60%	3.10%
Indirect Automobile | Data not available | Originated
Credit Quality Information
Recorded investment	236	1,478
Percentage of loans to aggregate outstanding amount	1.00%	0.50%
Residential mortgage
Credit Quality Information
Recorded investment	578,994	571,920
Percentage of loans to aggregate outstanding amount	100.00%	100.00%
Residential mortgage | Originated
Credit Quality Information
Recorded investment	482,774	472,078
Percentage of loans to aggregate outstanding amount	83.30%	82.60%
Residential mortgage | Acquired
Credit Quality Information
Recorded investment	96,220	99,842
Percentage of loans to aggregate outstanding amount	16.70%	17.40%
Residential mortgage | Loan-to-value ratio, less than 50% | Originated
Credit Quality Information
Recorded investment	105,225	105,342
Percentage of loans to aggregate outstanding amount	18.10%	18.40%
Residential mortgage | Loan-to-value ratio, less than 50% | Acquired
Credit Quality Information
Recorded investment	18,962	19,574
Percentage of loans to aggregate outstanding amount	3.30%	3.40%
Residential mortgage | Loan-to-value ratio, 50% - 69% | Originated
Credit Quality Information
Recorded investment	194,651	179,319
Percentage of loans to aggregate outstanding amount	33.60%	31.40%
Residential mortgage | Loan-to-value ratio, 50% - 69% | Acquired
Credit Quality Information
Recorded investment	34,476	35,131
Percentage of loans to aggregate outstanding amount	6.00%	6.20%
Residential mortgage | Loan-to-value ratio, 70% - 79% | Originated
Credit Quality Information
Recorded investment	162,574	166,467
Percentage of loans to aggregate outstanding amount	28.10%	29.10%
Residential mortgage | Loan-to-value ratio, 70% - 79% | Acquired
Credit Quality Information
Recorded investment	22,022	22,972
Percentage of loans to aggregate outstanding amount	3.80%	4.00%
Residential mortgage | Loan-to-value ratio, 80% and over | Originated
Credit Quality Information
Recorded investment	18,015	19,335
Percentage of loans to aggregate outstanding amount	3.10%	3.40%
Residential mortgage | Loan-to-value ratio, 80% and over | Acquired
Credit Quality Information
Recorded investment	16,114	16,268
Percentage of loans to aggregate outstanding amount	2.80%	2.80%
Residential mortgage | Data not available | Originated
Credit Quality Information
Recorded investment	2,309	1,615
Percentage of loans to aggregate outstanding amount	0.40%	0.30%
Residential mortgage | Data not available | Acquired
Credit Quality Information
Recorded investment	4,646	5,897
Percentage of loans to aggregate outstanding amount	0.80%	1.00%
Home Equity
Credit Quality Information
Recorded investment	292,198	287,058
Percentage of loans to aggregate outstanding amount	100.00%	100.00%
Home Equity | Originated
Credit Quality Information
Recorded investment	191,715	181,580
Percentage of loans to aggregate outstanding amount	65.70%	63.20%
Home Equity | Acquired
Credit Quality Information
Recorded investment	100,483	105,478
Percentage of loans to aggregate outstanding amount	34.30%	36.80%
Home Equity | Loan-to-value ratio, less than 50% | Originated
Credit Quality Information
Recorded investment	122,455	113,541
Percentage of loans to aggregate outstanding amount	41.90%	39.60%
Home Equity | Loan-to-value ratio, less than 50% | Acquired
Credit Quality Information
Recorded investment	66,105	70,293
Percentage of loans to aggregate outstanding amount	22.60%	24.50%
Home Equity | Loan-to-value ratio, 50% - 69% | Originated
Credit Quality Information
Recorded investment	37,398	35,660
Percentage of loans to aggregate outstanding amount	12.80%	12.40%
Home Equity | Loan-to-value ratio, 50% - 69% | Acquired
Credit Quality Information
Recorded investment	23,163	22,581
Percentage of loans to aggregate outstanding amount	7.90%	7.90%
Home Equity | Loan-to-value ratio, 70% - 79% | Originated
Credit Quality Information
Recorded investment	27,437	27,123
Percentage of loans to aggregate outstanding amount	9.40%	9.40%
Home Equity | Loan-to-value ratio, 70% - 79% | Acquired
Credit Quality Information
Recorded investment	9,040	10,569
Percentage of loans to aggregate outstanding amount	3.10%	3.70%
Home Equity | Loan-to-value ratio, 80% and over | Originated
Credit Quality Information
Recorded investment	3,352	4,195
Percentage of loans to aggregate outstanding amount	1.20%	1.50%
Home Equity | Loan-to-value ratio, 80% and over | Acquired
Credit Quality Information
Recorded investment	1,170	1,178
Percentage of loans to aggregate outstanding amount	0.40%	0.40%
Home Equity | Data not available | Originated
Credit Quality Information
Recorded investment	1,073	1,061
Percentage of loans to aggregate outstanding amount	0.40%	0.40%
Home Equity | Data not available | Acquired
Credit Quality Information
Recorded investment	$ 1,005	$ 857
Percentage of loans to aggregate outstanding amount	0.30%	0.30%

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Unaudited Consolidated Statements of Changes in Equity (USD $) In Thousands, unless otherwise specified		Total		Total Brookline Bancorp, Inc. Stockholders' Equity		Common Stock	Additional Paid-in Capital	Retained Earnings		Accumulated Other Comprehensive (Loss) Income	Treasury Stock	Unallocated Common Stock Held by ESOP	Noncontrolling Interest in Subsidiary
Balance at Dec. 31, 2013		$ 618,716	[1]	$ 614,412	[1]	$ 757	$ 617,538	$ 65,448	[1]	$ (7,915)	$ (59,826)	$ (1,590)	$ 4,304
Increase (Decrease) in Stockholders' Equity
Net income attributable to Brookline Bancorp, Inc.	[1]	10,542		10,542				10,542
Net income attributable to noncontrolling interest in subsidiary		422	[1]										422
Other comprehensive income (loss)		1,979	[1]	1,979	[1]					1,979
Common stock dividends	[1]	(5,964)		(5,964)				(5,964)
Dividend to owners of noncontrolling interest in subsidiary		(805)	[1]										(805)
Compensation under recognition and retention plans		401	[1]	401	[1]		401
Common stock held by ESOP committed to be released		94	[1]	94	[1]		39					55
Balance at Mar. 31, 2014		625,385	[1]	621,464	[1]	757	617,978	70,026	[1]	(5,936)	(59,826)	(1,535)	3,921
Balance at Dec. 31, 2014		646,605	[1]	641,818	[1]	757	617,475	84,860	[1]	(1,622)	(58,282)	(1,370)	4,787
Increase (Decrease) in Stockholders' Equity
Net income attributable to Brookline Bancorp, Inc.	[1]	11,703		11,703				11,703
Net income attributable to noncontrolling interest in subsidiary		602	[1]										602
Other comprehensive income (loss)		3,369	[1]	3,369	[1]					3,369
Common stock dividends	[1]	(5,974)		(5,974)				(5,974)
Dividend to owners of noncontrolling interest in subsidiary		(742)	[1]										(742)
Compensation under recognition and retention plans		310	[1]	310	[1]		329				(19)
Common stock held by ESOP committed to be released		93	[1]	93	[1]		41				0	52
Balance at Mar. 31, 2015		$ 655,966	[1]	$ 651,319	[1]	$ 757	$ 617,845	$ 90,589	[1]	$ 1,747	$ (58,301)	$ (1,318)	$ 4,647

[1] Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

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Stock Based Compensation (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015 bank plan	Mar. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock based compensation plans	3
Number of financial institutions defining performance targets	20
Stock based compensation expense	$ 0.4	$ 0.4
Time-based shares | Vest equally over three years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of shares in tranche	50.00%
Award vesting period	3 years
Vesting percentage	33.33%
Performance-based shares | Vesting after achievement of performance targets
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of shares in tranche	50.00%
Award vesting period	3 years
Recognition and Retention Plan 2003
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized	1,250,000
Restricted Stock Plan 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized	500,000
Equity Incentive Plan 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized	1,750,000

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Investment Securities (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Investment securities available-for-sale
Amortized Cost	$ 562,571,000	$ 553,588,000
Gross Unrealized Gains	5,235,000	3,128,000
Gross Unrealized Losses	2,691,000	5,955,000
Estimated fair value	565,115,000	550,761,000
Investment securities held-to-maturity
Amortized Cost	500,000	500,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	500,000	500,000
Estimated fair value	565,115,000	550,761,000
Net unrealized gain (loss)	2,500,000	(2,800,000)
Gross unrealized losses, fair value	193,981,000	335,683,000
Percentage of securities in unrealized loss positions	34.30%	60.90%
Available for sale securities pledged as collateral	483,900,000	473,100,000
Debt securities
Investment securities available-for-sale
Amortized Cost	561,621,000	552,641,000
Gross Unrealized Gains	5,200,000	3,102,000
Gross Unrealized Losses	2,691,000	5,955,000
Estimated fair value	564,130,000	549,788,000
Investment securities held-to-maturity
Estimated fair value	564,130,000	549,788,000
GSEs
Investment securities available-for-sale
Amortized Cost	22,890,000	22,929,000
Gross Unrealized Gains	363,000	88,000
Gross Unrealized Losses	0	29,000
Estimated fair value	23,253,000	22,988,000
Investment securities held-to-maturity
Estimated fair value	23,253,000	22,988,000
Net unrealized gain (loss)	400,000
Gross unrealized losses, fair value		11,086,000
GSE CMOs
Investment securities available-for-sale
Amortized Cost	229,591,000	238,910,000
Gross Unrealized Gains	342,000	80,000
Gross Unrealized Losses	2,090,000	4,821,000
Estimated fair value	227,843,000	234,169,000
Investment securities held-to-maturity
Estimated fair value	227,843,000	234,169,000
GSE MBSs
Investment securities available-for-sale
Amortized Cost	267,648,000	249,329,000
Gross Unrealized Gains	3,783,000	2,531,000
Gross Unrealized Losses	397,000	879,000
Estimated fair value	271,034,000	250,981,000
Investment securities held-to-maturity
Estimated fair value	271,034,000	250,981,000
SBA commercial loan asset-backed securities
Investment securities available-for-sale
Amortized Cost	199,000	205,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	2,000	2,000
Estimated fair value	197,000	203,000
Investment securities held-to-maturity
Estimated fair value	197,000	203,000
Gross unrealized losses, fair value	187,000	194,000
Corporate debt obligations
Investment securities available-for-sale
Amortized Cost	39,829,000	39,805,000
Gross Unrealized Gains	712,000	403,000
Gross Unrealized Losses	0	1,000
Estimated fair value	40,541,000	40,207,000
Investment securities held-to-maturity
Estimated fair value	40,541,000	40,207,000
Net unrealized gain (loss)	700,000	400,000
Gross unrealized losses, fair value		4,069,000
Trust preferred securities
Investment securities available-for-sale
Amortized Cost	1,464,000	1,463,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	202,000	223,000
Estimated fair value	1,262,000	1,240,000
Investment securities held-to-maturity
Estimated fair value	1,262,000	1,240,000
Net unrealized gain (loss)	(200,000)	(200,000)
Gross unrealized losses, fair value	1,262,000	1,240,000
Marketable equity securities
Investment securities available-for-sale
Amortized Cost	950,000	947,000
Gross Unrealized Gains	35,000	26,000
Gross Unrealized Losses	0	0
Estimated fair value	985,000	973,000
Investment securities held-to-maturity
Estimated fair value	$ 985,000	$ 973,000

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Fair Value of Financial Instruments (Details 5) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Financial assets:
Investment securities held-to-maturity	$ 500	$ 500
Loans and leases, net	4,579,488	4,768,948
Financial liabilities:
Borrowed funds	35,628	39,615
Level 1
Financial assets:
Investment securities held-to-maturity	0	0
Loans held-for-sale	0	0
Loans and leases, net	0	0
Financial liabilities:
Certificates of deposit	0	0
Borrowed funds	0	0
Level 2
Financial assets:
Investment securities held-to-maturity	0	0
Loans held-for-sale	787	1,537
Loans and leases, net	0	0
Financial liabilities:
Certificates of deposit	1,061,059	949,320
Borrowed funds	931,448	1,132,940
Level 3
Financial assets:
Investment securities held-to-maturity	500	500
Loans held-for-sale	0	0
Loans and leases, net	4,592,417	4,753,605
Financial liabilities:
Certificates of deposit	0	0
Borrowed funds	0	0
Carrying Value
Financial assets:
Investment securities held-to-maturity	500	500
Loans held-for-sale	787	1,537
Loans and leases, net	4,579,488	4,768,948
Financial liabilities:
Certificates of deposit	1,051,580	946,708
Borrowed funds	924,925	1,126,404
Estimated Fair Value
Financial assets:
Investment securities held-to-maturity	500	500
Loans held-for-sale	787	1,537
Loans and leases, net	4,592,417	4,753,605
Financial liabilities:
Certificates of deposit	1,061,059	949,320
Borrowed funds	$ 931,448	$ 1,132,940

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Off-Balance-Sheet Financial Instruments

The Company is party to off-balance-sheet financial instruments in the normal course of business to meet the financing needs of its customers and to reduce its own exposure to fluctuations in interest rates. These financial instruments include loan commitments, standby and commercial letters of credit, and interest-rate swaps. According to GAAP, these financial instruments are not recorded in the financial statements until they are funded or related fees are incurred or received.

The contract amounts reflect the extent of the involvement the Company has in particular classes of these instruments. Such commitments involve, to varying degrees, elements of credit risk and interest-rate risk in excess of the amount recognized in the consolidated balance sheet. The Company’s exposure to credit loss in the event of non-performance by the counterparty is represented by the contractual amount of the instruments. The Company uses the same policies in making commitments and conditional obligations as it does for on-balance-sheet instruments.

Financial instruments with off-balance-sheet risk at the dates indicated follow:

	At March 31, 2015		At December 31, 2014
	(In Thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to originate loans and leases:
Commercial real estate	$	56,739	$	107,179
Commercial	74,264		102,353
Residential mortgage	9,878		20,520
Unadvanced portion of loans and leases	534,040		629,351
Unused lines of credit:
Home equity	249,810		244,603
Other consumer	11,743		10,876
Other commercial	859		728
Unused letters of credit:
Financial standby letters of credit	16,249		16,762
Performance standby letters of credit	10		3,126
Commercial and similar letters of credit	50		50
Back-to-back interest-rate swaps	110,152		109,362

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require the payment of a fee by the customer. Since some of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. The Company evaluates each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if any, is based on management’s credit evaluation of the borrower.

Standby and commercial letters of credit are conditional commitments issued by the Company to guarantee performance of a customer to a third party. These standby and commercial letters of credit are primarily issued to support the financing needs of the Company’s commercial customers. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loans to customers.

The liability for unfunded credit commitments, which is included in other liabilities, was $1.2 million at March 31, 2015 and $1.3 million at December 31, 2014.

From time to time, the Company enters into back-to-back interest rate swaps with commercial customers and third-party financial institutions. These swaps allow the Company to offer long-term fixed-rate commercial loans while mitigating the interest-rate risk of holding those loans. In a back-to-back interest rate swap transaction, the Company lends to a commercial customer on a floating-rate basis and then enters into an interest rate swap with that customer. Concurrently, the Company enters into offsetting swaps with a third-party financial institution, effectively minimizing its net interest-rate risk exposure resulting from such transactions.

The fair value of interest rate swap assets and liabilities is $3.6 million and $3.8 million, respectively, at March 31, 2015. The fair value of interest rate swap assets and liabilities is $2.7 million and $2.7 million, respectively, at December 31, 2014.

Lease Commitments

 The Company leases certain office space under various noncancellable operating leases. These leases have original terms ranging from 5 years to over 20 years. Certain leases contain renewal options and escalation clauses which can increase rental expenses based principally on the consumer price index and fair market rental value provisions.

A summary of future minimum rental payments under such leases at the dates indicated follows:

	Minimum Rental Payments
	(In Thousands)
Remainder of 2015	4,130
Year ending:
2016	5,354
2017	4,831
2018	4,275
2019	3,361
Thereafter	12,266
Total	$	34,217

The leases contain escalation clauses for real estate taxes and other expenditures. Total rental expense was $1.2 million during the three months ended March 31, 2015. There was no lease acceleration expenses during the three months ended March 31, 2015. This compared to rental expense of $2.3 million during the three months ended March 31, 2014, which included $0.8 million in lease acceleration related to a relocation of an operations center and a closure of a branch property.

Legal Proceedings

There are various outstanding legal proceedings in the normal course of business. In the opinion of management, after consulting with legal counsel, the consolidated financial position and results of operations of the Company are not expected to be affected by the outcome of such proceedings.

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Investment Securities (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Less than 12 months
Estimated Fair Value	$ 56,343	$ 104,357
Unrealized Losses	205	293
12 months or Longer
Estimated Fair Value	137,638	231,326
Unrealized Losses	2,486	5,662
Total
Estimated Fair Value	193,981	335,683
Unrealized Losses	2,691	5,955
GSE
Less than 12 months
Estimated Fair Value		11,086
Unrealized Losses		29
12 months or Longer
Estimated Fair Value		0
Unrealized Losses		0
Total
Estimated Fair Value		11,086
Unrealized Losses		29
GSE CMOs
Less than 12 months
Estimated Fair Value	40,851	39,095
Unrealized Losses	160	179
12 months or Longer
Estimated Fair Value	116,877	190,345
Unrealized Losses	1,930	4,642
Total
Estimated Fair Value	157,728	229,440
Unrealized Losses	2,090	4,821
GSE MBS
Less than 12 months
Estimated Fair Value	15,485	50,099
Unrealized Losses	45	84
12 months or Longer
Estimated Fair Value	19,319	39,555
Unrealized Losses	352	795
Total
Estimated Fair Value	34,804	89,654
Unrealized Losses	397	879
SBA commercial loan asset-backed securities
Less than 12 months
Estimated Fair Value	7	8
Unrealized Losses	0	0
12 months or Longer
Estimated Fair Value	180	186
Unrealized Losses	2	2
Total
Estimated Fair Value	187	194
Unrealized Losses	2	2
Corporate debt obligations
Less than 12 months
Estimated Fair Value		4,069
Unrealized Losses		1
12 months or Longer
Estimated Fair Value		0
Unrealized Losses		0
Total
Estimated Fair Value		4,069
Unrealized Losses		1
Trust preferred securities
Less than 12 months
Estimated Fair Value	0	0
Unrealized Losses	0	0
12 months or Longer
Estimated Fair Value	1,262	1,240
Unrealized Losses	202	223
Total
Estimated Fair Value	1,262	1,240
Unrealized Losses	$ 202	$ 223

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Investment Securities (Tables)

3 Months Ended

Mar. 31, 2015

Investments, Debt and Equity Securities [Abstract]

Schedule of securities available-for-sale securities

The following tables set forth investment securities available-for-sale and held-to-maturity at the dates indicated:

	At March 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In Thousands)
Debt securities:
GSEs	$	22,890	$	363	$	—	$	23,253
GSE CMOs	229,591		342		2,090		227,843
GSE MBSs	267,648		3,783		397		271,034
SBA commercial loan asset-backed securities	199		—		2		197
Corporate debt obligations	39,829		712		—		40,541
Trust preferred securities	1,464		—		202		1,262
Total debt securities	561,621		5,200		2,691		564,130
Marketable equity securities	950		35		—		985
Total investment securities available-for-sale	$	562,571	$	5,235	$	2,691	$	565,115
Investment securities held-to-maturity	$	500	$	—	$	—	$	500

	At December 31, 2014
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In Thousands)
Debt securities:
GSEs	$	22,929	$	88	$	29	$	22,988
GSE CMOs	238,910		80		4,821		234,169
GSE MBSs	249,329		2,531		879		250,981
SBA commercial loan asset-backed securities	205		—		2		203
Corporate debt obligations	39,805		403		1		40,207
Trust preferred securities	1,463		—		223		1,240
Total debt securities	552,641		3,102		5,955		549,788
Marketable equity securities	947		26		—		973
Total investment securities available-for-sale	$	553,588	$	3,128	$	5,955	$	550,761
Investment securities held-to-maturity	$	500	$	—	$	—	$	500

Investment securities in a continuous unrealized loss position

Investment securities at March 31, 2015 and December 31, 2014 that have been in a continuous unrealized loss position for less than twelve months or twelve months or longer are as follows:

	At March 31, 2015
	Less than Twelve Months				Twelve Months or Longer				Total
	Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses
	(In Thousands)
Investment securities:
GSE CMOs	$	40,851	$	160	$	116,877	$	1,930	$	157,728	$	2,090
GSE MBSs	15,485		45		19,319		352		34,804		397
SBA commercial loan asset-backed securities	7		—		180		2		187		2
Trust preferred securities	—		—		1,262		202		1,262		202
Total temporarily impaired investment securities	$	56,343	$	205	$	137,638	$	2,486	$	193,981	$	2,691

	At December 31, 2014
	Less than Twelve Months				Twelve Months or Longer				Total
	Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses
	(In Thousands)
Investment securities:
GSEs	$	11,086	$	29	$	—	$	—	$	11,086	$	29
GSE CMOs	39,095		179		190,345		4,642		229,440		4,821
GSE MBSs	50,099		84		39,555		795		89,654		879
SBA commercial loan asset-backed securities	8		—		186		2		194		2
Corporate debt obligations	4,069		1		—		—		4,069		1
Trust preferred securities	—		—		1,240		223		1,240		223
Total temporarily impaired investment securities	$	104,357	$	293	$	231,326	$	5,662	$	335,683	$	5,955

Schedule of maturities of debt securities

The final stated maturities of the debt securities are as follows at the dates indicated:

	At March 31, 2015						At December 31, 2014
	Amortized Cost		Estimated Fair Value		Weighted Average Rate		Amortized Cost		Estimated Fair Value		Weighted Average Rate
	(Dollars in Thousands)
Investment securities available-for-sale:
Within 1 year	$	5,985	$	6,027	2.42	%	$	3,057	$	3,081	3.00	%
After 1 year through 5 years	55,299		56,593		2.46	%	55,631		56,586		2.48	%
After 5 years through 10 years	94,946		96,674		1.98	%	103,268		104,208		2.00	%
Over 10 years	405,392		404,837		1.91	%	390,685		385,913		1.91	%
	$	561,622	$	564,131	1.98	%	$	552,641	$	549,788	1.99	%
Investment securities held-to-maturity:
Within 1 year	$	500	$	500	1.30	%	$	—	$	—	—	%
After 1 year through 5 years	—		—		—	%	500		500		1.30	%
	$	500	$	500	1.30	%	$	500	$	500	1.30	%

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Unaudited Consolidated Statements of Changes in Equity (Parenthetical) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Statement of Stockholders' Equity [Abstract]
Common stock dividends, per share (in dollars per share)	$ 0.085	$ 0.085
Common stock held by ESOP committed to be released, shares	9,579	10,071

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Unaudited Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Investment securities held-to-maturity	$ 500	$ 500
Premises and equipment, accumulated depreciation and amortization	46,460	44,668
Identified intangible assets, accumulated amortization	$ 26,976	$ 26,238
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	75,744,445	75,744,445
Treasury stock, shares	5,042,238	5,040,571
Unallocated common stock held by ESOP, shares	241,803	251,382

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Comprehensive Income/(Loss)

3 Months Ended

Mar. 31, 2015

Equity [Abstract]

Comprehensive Income/(Loss)

Comprehensive Income/(Loss)

Comprehensive income (loss) represents the sum of net income (loss) and other comprehensive income (loss). For the three months endedMarch 31, 2015 and March 31, 2014, the Company’s other comprehensive income (loss) include the following two components: (i) unrealized holding gains (losses) on investment securities available-for-sale; and (ii) adjustment of accumulated obligation for postretirement benefits.

Changes in accumulated other comprehensive (loss) income by component, net of tax, were as follows for the periods indicated:

	Three Months Ended March 31, 2015
	Investment Securities Available-for-Sale			Postretirement Benefits		Accumulated Other Comprehensive Income
	(In Thousands)
Balance at December 31, 2014	$	(1,733	)	$	111	$	(1,622	)
Other comprehensive income	3,369			—		3,369
Balance at March 31, 2015	$	1,636		$	111	$	1,747

	Three Months Ended March 31, 2014
	Investment Securities  Available-for-Sale			Postretirement Benefits			Accumulated Other Comprehensive Income
	(In Thousands)
Balance at December 31, 2013	$	(8,332	)	$	417		$	(7,915	)
Other comprehensive income (loss)	2,031			(52		)	1,979
Balance at March 31, 2014	$	(6,301	)	$	365		$	(5,936	)

The Company did not reclassify any amounts out of accumulated other comprehensive income (loss) for the three months endedMarch 31, 2015 and 2014.

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Document and Entity Information	3 Months Ended
	Mar. 31, 2015	May 11, 2015
Document and Entity Information
Entity Registrant Name	BROOKLINE BANCORP INC
Entity Central Index Key	0001049782
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Document Type	10-Q
Document Period End Date	Mar. 31, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		70,049,670

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Derivatives and Hedging Activities

3 Months Ended

Mar. 31, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives and Hedging Activities

Derivatives and Hedging Activities

The Company may use interest-rate contracts (swaps, caps and floors) as part of interest-rate risk management strategy. Interest-rate swap, cap and floor agreements are entered into as hedges against future interest-rate fluctuations on specifically identified assets or liabilities. The Company did not have derivative fair value hedges or derivative cash flow hedges at March 31, 2015 or December 31, 2014.

Derivatives not designated as hedges are not speculative but rather, result from a service the Company provides to certain customers for a fee. The Company executes interest-rate swaps with commercial banking customers to aid them in managing their interest-rate risk. The interest-rate swap contracts allow the commercial banking customers to convert floating-rate loan payments to fixed-rate loan payments. The Company concurrently enters into offsetting swaps with a third-party financial institution, effectively minimizing its net risk exposure resulting from such transactions. The third-party financial institution exchanges the customer’s fixed-rate loan payments for floating-rate loan payments. As the interest-rate swaps associated with this program do not meet hedge accounting requirements, changes in the fair value of both the customer swaps and the offsetting swaps are recognized directly in the Company's unaudited consolidated statements of income. The Company had 22 interest-rate swaps related to this program with an aggregate notional amount of $110.2 million at March 31, 2015, compared with 22 interest-rate swaps with an aggregate notional amount of $109.4 million at December 31, 2014.

Asset derivatives and liability derivatives are included in other assets and accrued expenses and other liabilities on the unaudited consolidated balance sheets, respectively. The table below presents the fair value and classification of the Company’s derivative financial instruments at March 31, 2015 and December 31, 2014.

	At March 31, 2015				At December 31, 2014
	Asset Derivatives		Liability Derivatives		Asset Derivatives		Liability Derivatives
	(In Thousands)
Total derivatives (interest-rate products) not designated as hedging instruments	$	3,642	$	3,771	$	2,676	$	2,714

Changes in the fair value are recognized directly in the Company's unaudited consolidated statements of income and are included in other non-interest income in the consolidated statements of income. The table below presents the gain (loss) recognized in income due to changes in the fair value for the three months endedMarch 31, 2015 and March 31, 2014.

	Three Months Ended March 31,
	2015			2014
	(In Thousands)
(Loss) gain recognized in income on derivatives	$	(91	)	$	2

By using derivative financial instruments, the Company exposes itself to credit risk which is the risk of failure by the counterparty to perform under the terms of the derivative contract. When the fair value of a derivative contract is positive, the counterparty owes the Company, which creates credit risk for the Company. When the fair value of a derivative is negative, the Company owes the counterparty and, therefore, it does not possess credit risk. The credit risk in derivative instruments is mitigated by entering into transactions with highly-rated counterparties that management believes to be creditworthy and by limiting the amount of exposure to each counterparty. As the swaps are subject to master netting agreements, the Company had limited exposure relating to interest rate swaps with institutional counterparties. The estimated net credit risk exposure was $129.8 thousand at March 31, 2015 compared to $39.3 thousand at December 31, 2014.

Certain of the derivative agreements contain provisions that require the Company to post collateral if the derivative exposure exceeds a threshold amount. The Company has posted collateral of $7.8 million and $5.4 million in the normal course of business at March 31, 2015 and December 31, 2014, respectively.

The tables below present the offsetting of derivatives and amounts subject to master netting agreements not offset in the unaudited consolidated balance sheet at the dates indicated.

	At March 31, 2015
	Gross Amounts of Recognized Assets /Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets Presented in the Statement of Financial Position		Gross Amounts Not Offset in the Statement of Financial Position				Net Amount
							Financial Instruments		Cash Collateral (Received)/ Posted
	(In Thousands)
Asset Derivatives	$	3,642	$	—	$	3,642	$	—	$	—	$	3,642
Liability Derivatives	$	3,771	$	—	$	3,771	$	—	$	7,849	$	11,620

	At December 31, 2014
	Gross Amounts of Recognized Assets /Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets Presented in the Statement of Financial Position		Gross Amounts Not Offset in the Statement of Financial Position				Net Amount
							Financial Instruments		Cash Collateral (Received) / Posted
	(In Thousands)
Asset Derivatives	$	2,676	$	—	$	2,676	$	—	$	—	$	2,676
Liability Derivatives	$	2,714	$	—	$	2,714	$	—	$	5,353	$	8,067

The Company has agreements with certain of its derivative counterparties that contain credit-risk-related contingent provisions. These provisions provide the counterparty with the right to terminate its derivative positions and require the Company to settle its obligations under the agreements if the Company defaults on certain of its indebtedness or if the Company fails to maintain its status as a well-capitalized institution.

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Unaudited Consolidated Statements of Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Interest and dividend income:
Loans and leases	$ 53,381		$ 51,942
Debt securities	2,683		2,259
Marketable and restricted equity securities	524		449
Short-term investments	21		44
Total interest and dividend income	56,609		54,694
Interest expense:
Deposits	4,304		4,291
Borrowed funds	3,777		2,669
Total interest expense	8,081		6,960
Net interest income	48,528		47,734
Provision for credit losses	2,263		2,443
Net interest income after provision for credit losses	46,265		45,291
Non-interest income:
Deposit fees	2,066		1,959
Loan fees	342		434
Gain on sales of loans and leases held-for-sale	869		602
Gain on sale/disposals of premises and equipment, net	0		1,510
Other	1,193		1,123
Total non-interest income	4,470	[1]	5,628	[1]
Non-interest expense:
Compensation and employee benefits	17,524		18,032
Occupancy	3,472		4,405
Equipment and data processing	4,020		4,377
Professional services	1,094		1,727
FDIC insurance	867		860
Advertising and marketing	748		665
Amortization of identified intangible assets	738		861
Other	2,863	[1]	2,649	[1]
Total non-interest expense	31,326	[1]	33,576	[1]
Income before provision for income taxes	19,409	[1]	17,343	[1]
Provision for income taxes	7,104	[1]	6,379	[1]
Net income before noncontrolling interest in subsidiary	12,305	[1]	10,964	[1]
Less net income attributable to noncontrolling interest in subsidiary	602	[1]	422	[1]
Net income attributable to Brookline Bancorp, Inc.	$ 11,703	[1]	$ 10,542	[1]
Earnings per common share:
Basic (in dollars per share)	$ 0.17	[1]	$ 0.15	[1]
Diluted (in dollars per share)	$ 0.17	[1]	$ 0.15	[1]
Weighted average common shares outstanding during the period:
Basic (in shares)	70,036,090		69,875,473
Diluted (in shares)	70,164,105		69,983,999
Dividends declared per common share	$ 0.085		$ 0.085

[1] Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

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Loans and Leases

3 Months Ended

Mar. 31, 2015

Receivables [Abstract]

Loans and Leases

Loans and Leases

The following tables present loan and lease balances and weighted average coupon rates for the originated and acquired loan and lease portfolios at the dates indicated:

	At March 31, 2015
	Originated				Acquired				Total
	Balance		Weighted Average Coupon		Balance		Weighted Average Coupon		Balance		Weighted Average Coupon
	(Dollars in Thousands)
Commercial real estate loans:
Commercial real estate mortgage	$	1,471,054	4.16	%	$	243,086	4.24	%	$	1,714,140	4.17	%
Multi-family mortgage	590,590		4.10	%	61,910		4.48	%	652,500		4.13	%
Construction	132,229		3.71	%	2,018		5.42	%	134,247		3.73	%
Total commercial real estate loans	2,193,873		4.12	%	307,014		4.30	%	2,500,887		4.14	%
Commercial loans and leases:
Commercial	515,375		3.85	%	44,969		4.33	%	560,344		3.89	%
Equipment financing	602,045		6.88	%	12,256		6.14	%	614,301		6.87	%
Condominium association	52,707		4.59	%	—		—	%	52,707		4.59	%
Total commercial loans and leases	1,170,127		5.44	%	57,225		4.72	%	1,227,352		5.41	%
Indirect automobile loans	23,335		5.69	%	—		—	%	23,335		5.69	%
Consumer loans:
Residential mortgage	482,774		3.59	%	96,220		3.81	%	578,994		3.63	%
Home equity	191,715		3.35	%	100,483		3.85	%	292,198		3.53	%
Other consumer	11,666		4.95	%	162		16.61	%	11,828		5.11	%
Total consumer loans	686,155		3.55	%	196,865		3.84	%	883,020		3.62	%
Total loans and leases	$	4,073,490	4.41	%	$	561,104	4.18	%	$	4,634,594	4.39	%

	At December 31, 2014
	Originated				Acquired				Total
	Balance		Weighted Average Coupon		Balance		Weighted Average Coupon		Balance		Weighted Average Coupon
	(Dollars in Thousands)
Commercial real estate loans:
Commercial real estate mortgage	$	1,425,621	4.18	%	$	254,461	4.29	%	$	1,680,082	4.20	%
Multi-family mortgage	576,214		4.11	%	63,492		4.50	%	639,706		4.15	%
Construction	146,074		3.79	%	1,939		5.50	%	148,013		3.81	%
Total commercial real estate loans	2,147,909		4.13	%	319,892		4.34	%	2,467,801		4.16	%
Commercial loans and leases:
Commercial	462,730		3.88	%	51,347		4.14	%	514,077		3.91	%
Equipment financing	587,496		6.92	%	13,928		6.22	%	601,424		6.90	%
Condominium association	51,593		4.60	%	—		—	%	51,593		4.60	%
Total commercial loans and leases	1,101,819		5.53	%	65,275		4.58	%	1,167,094		5.48	%
Indirect automobile loans	316,987		4.47	%	—		—	%	316,987		4.47	%
Consumer loans:
Residential mortgage	472,078		3.60	%	99,842		3.77	%	571,920		3.63	%
Home equity	181,580		3.35	%	105,478		3.85	%	287,058		3.53	%
Other consumer	11,580		5.13	%	167		16.35	%	11,747		5.29	%
Total consumer loans	665,238		3.56	%	205,487		3.82	%	870,725		3.62	%
Total loans and leases	$	4,231,953	4.43	%	$	590,654	4.19	%	$	4,822,607	4.40	%

The Company lends primarily in the eastern half of Massachusetts, southern New Hampshire and Rhode Island, with the exception of equipment financing, 35.5% of which is in the greater New York/New Jersey metropolitan area and 64.5% of which is in other areas in the United States of America at March 31, 2015, compared to 35.9% of which is in the greater New York/New Jersey metropolitan area and 64.1% of which is in other areas in the United States of America at December 31, 2014.

Competition for the indirect automobile loans increased significantly as credit unions and large national banks entered indirect automobile lending in a search for additional sources of income. That competition drove interest rates down and, in some cases, changed the manner in which interest rates are developed, from including a dealer-shared spread to imposing a dealer-based fee to originate the loan. Given this market condition, management ceased the Company's origination of indirect automobile loans in December 2014. For the quarter ended March 31, 2015, the Company sold over 90% of the portfolio for $255.2 million, which resulted in a loss of $11.8 thousand. Refer to Note 5, "Allowance for Loan and Lease Losses" for the impact of the sale on the Company's allowance for loan and lease losses.

Accretable Yield for the Acquired Loan Portfolio

The following table summarizes activity in the accretable yield for the acquired loan portfolio for the periods indicated:

	Three Months Ended March 31,
	2015			2014
	(In Thousands)
Balance at beginning of period	$	32,044		$	45,789
Reclassification from nonaccretable difference for loans with improved cash flows	1,440			1,440
Accretion	(2,824		)	(4,728		)
Balance at end of period	$	30,660		$	42,501

On a quarterly basis, subsequent to acquisition, management reforecasts the expected cash flows for acquired ASC 310-30 loans, taking into account prepayment speeds, probability of default and loss given defaults. Management compares cash flow projections per the reforecast to the original cash flow projections and determines whether any reduction in cash flow expectations is due to credit deterioration, or if the change in cash flow is related to noncredit events. This cash flow analysis is used to evaluate the need for a loan loss provision and/or prospective yield adjustments. During the three months endedMarch 31, 2015 and 2014, accretable yield adjustments totaling $1.4 million were made for certain loan pools. These prospective accretable yield adjustments, which are subject to continued re-assessment, will be recognized over the remaining lives of those pools.

The aggregate remaining nonaccretable difference (representing both principal and interest) applicable to acquired loans and leases totaled $2.1 million and $3.6 million at March 31, 2015 and December 31, 2014, respectively.

Loans and Leases Pledged as Collateral

At March 31, 2015 and December 31, 2014, there were $2.0 billion and $1.6 billion, respectively, of loans and leases pledged as collateral for repurchase agreements; municipal deposits; treasury, tax and loan deposits; swap agreements; and FHLBB borrowings. The Banks did not have any outstanding FRB borrowings at March 31, 2015 and December 31, 2014.

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Investment Securities

3 Months Ended

Mar. 31, 2015

Investments, Debt and Equity Securities [Abstract]

Investment Securities

Investment Securities

The following tables set forth investment securities available-for-sale and held-to-maturity at the dates indicated:

	At March 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In Thousands)
Debt securities:
GSEs	$	22,890	$	363	$	—	$	23,253
GSE CMOs	229,591		342		2,090		227,843
GSE MBSs	267,648		3,783		397		271,034
SBA commercial loan asset-backed securities	199		—		2		197
Corporate debt obligations	39,829		712		—		40,541
Trust preferred securities	1,464		—		202		1,262
Total debt securities	561,621		5,200		2,691		564,130
Marketable equity securities	950		35		—		985
Total investment securities available-for-sale	$	562,571	$	5,235	$	2,691	$	565,115
Investment securities held-to-maturity	$	500	$	—	$	—	$	500

	At December 31, 2014
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In Thousands)
Debt securities:
GSEs	$	22,929	$	88	$	29	$	22,988
GSE CMOs	238,910		80		4,821		234,169
GSE MBSs	249,329		2,531		879		250,981
SBA commercial loan asset-backed securities	205		—		2		203
Corporate debt obligations	39,805		403		1		40,207
Trust preferred securities	1,463		—		223		1,240
Total debt securities	552,641		3,102		5,955		549,788
Marketable equity securities	947		26		—		973
Total investment securities available-for-sale	$	553,588	$	3,128	$	5,955	$	550,761
Investment securities held-to-maturity	$	500	$	—	$	—	$	500

At March 31, 2015, the fair value of all investment securities available-for-sale was $565.1 million, with net unrealized gains of $2.5 million, compared to a fair value of $550.8 million and net unrealized losses of $2.8 million at December 31, 2014. At March 31, 2015, $194.0 million, or 34.3% of the portfolio, had gross unrealized losses of $2.7 million, compared to $335.7 million, or 60.9%, with gross unrealized losses of $6.0 million at December 31, 2014.

Investment Securities as Collateral

At March 31, 2015 and December 31, 2014, respectively, $483.9 million and $473.1 million of investment securities available-for-sale were pledged as collateral for repurchase agreements; municipal deposits; treasury, tax and loan deposits; swap agreements; and FHLBB borrowings.

Other-Than-Temporary Impairment (“OTTI”)

Investment securities at March 31, 2015 and December 31, 2014 that have been in a continuous unrealized loss position for less than twelve months or twelve months or longer are as follows:

	At March 31, 2015
	Less than Twelve Months				Twelve Months or Longer				Total
	Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses
	(In Thousands)
Investment securities:
GSE CMOs	$	40,851	$	160	$	116,877	$	1,930	$	157,728	$	2,090
GSE MBSs	15,485		45		19,319		352		34,804		397
SBA commercial loan asset-backed securities	7		—		180		2		187		2
Trust preferred securities	—		—		1,262		202		1,262		202
Total temporarily impaired investment securities	$	56,343	$	205	$	137,638	$	2,486	$	193,981	$	2,691

	At December 31, 2014
	Less than Twelve Months				Twelve Months or Longer				Total
	Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses
	(In Thousands)
Investment securities:
GSEs	$	11,086	$	29	$	—	$	—	$	11,086	$	29
GSE CMOs	39,095		179		190,345		4,642		229,440		4,821
GSE MBSs	50,099		84		39,555		795		89,654		879
SBA commercial loan asset-backed securities	8		—		186		2		194		2
Corporate debt obligations	4,069		1		—		—		4,069		1
Trust preferred securities	—		—		1,240		223		1,240		223
Total temporarily impaired investment securities	$	104,357	$	293	$	231,326	$	5,662	$	335,683	$	5,955

The Company performs regular analysis on the investment securities available-for-sale portfolio to determine whether a decline in fair value indicates that an investment security is OTTI. In making these OTTI determinations, management considers, among other factors, the length of time and extent to which the fair value has been less than amortized cost; projected future cash flows; credit subordination and the creditworthiness, capital adequacy and near-term prospects of the issuers.

Management also considers the Company’s capital adequacy, interest-rate risk, liquidity and business plans in assessing whether it is more likely than not that the Company will sell or be required to sell the investment securities before recovery. If the Company determines that a decline in fair value is OTTI and that it is more likely than not that the Company will not sell or be required to sell the investment security before recovery of its amortized cost, the credit portion of the impairment loss is recognized in the Company's unaudited consolidated statements of income and the noncredit portion is recognized in accumulated other comprehensive income. The credit portion of the OTTI impairment represents the difference between the amortized cost and the present value of the expected future cash flows of the investment security. If the Company determines that a decline in fair value is OTTI and it is more likely than not that it will sell or be required to sell the investment security before recovery of its amortized cost, the entire difference between the amortized cost and the fair value of the investment security will be recognized in the Company's unaudited consolidated statements of income.

At March 31, 2015, it is more likely than not that the Company will not sell or be required to sell the investment securities before recovery of its amortized cost. The Company's ability and intent to hold these investment securities until recovery is supported by the Company's strong capital and liquidity positions as well as its historically low portfolio turnover. As such, Management has determined that the investment securities are not OTTI at March 31, 2015. If market conditions for investment securities worsen or the creditworthiness of the underlying issuers deteriorates, it is possible that the Company may recognize additional OTTI in future periods.

Debt Securities

U.S. Government-Sponsored Enterprises

The Company invests in securities issued by U.S. Government-sponsored enterprises (“GSEs”), including GSE debt securities, mortgage-backed securities (“MBSs”), and collateralized mortgage obligations (“CMOs”). GSE securities include obligations issued by the Federal National Mortgage Association (“FNMA”), the Federal Home Loan Mortgage Corporation (“FHLMC”), the Government National Mortgage Association (“GNMA”), the Federal Home Loan Banks ("FHLB") and the Federal Farm Credit Bank. At March 31, 2015, only GNMA MBSs and CMOs, and Small Business Administration (“SBA”) commercial loan asset-backed securities with an estimated fair value of $25.4 million were backed explicitly by the full faith and credit of the U.S. Government, compared to $26.2 million at December 31, 2014.

At March 31, 2015, the Company held GSE debentures with a total fair value of $23.3 million and a net unrealized gain of $0.4 million. At December 31, 2014, the Company held GSE debentures with a total fair value of $23.0 million which approximated amortized cost. At March 31, 2015, none of the eight securities in this portfolio were in unrealized loss positions. At December 31, 2014, four of the eight securities in this portfolio were in unrealized loss positions. All securities are performing and backed by the implicit (FHLB / FNMA / FHLMC) or explicit (GNMA / SBA) guarantee of the U.S. Government.

At March 31, 2015, the Company held GSE mortgage-related securities with a total fair value of $498.9 million and a net unrealized gain of $1.6 million. This compares to a total fair value of $485.2 million and a net unrealized loss of $3.1 million at December 31, 2014. At March 31, 2015, 53 of the 257 securities in this portfolio were in unrealized loss positions, compared to 79 of the 250 securities at December 31, 2014. All securities are performing and backed by the implicit (FHLB / FNMA / FHLMC) or explicit (GNMA) guarantee of the U.S. Government. During the three months endedMarch 31, 2015, the Company purchased $29.5 million in GSE CMOs and GSE MBSs. This compares to a total of $36.5 million during the same period in 2014.

SBA Commercial Loan Asset-Backed Securities

At March 31, 2015 and December 31, 2014, the Company held eight SBA securities with a total fair value of $0.2 million which approximated amortized cost. At March 31, 2015 and December 31, 2014, seven of the eight securities in this portfolio were in unrealized loss positions. All securities are performing and backed by the explicit (SBA) guarantee of the U.S. Government.

Corporate Obligations

From time to time, the Company will invest in high-quality corporate obligations to provide portfolio diversification and improve the overall yield on the portfolio. The Company owned thirteen corporate obligation securities with a total fair value of $40.5 million and a net unrealized gain of $0.7 million at March 31, 2015. This compares to thirteen corporate obligation securities with a total fair value of $40.2 million and a net unrealized gain of $0.4 million at December 31, 2014. At March 31, 2015, none of the thirteen securities in this portfolio were in unrealized loss positions. At December 31, 2014, one of the thirteen securities in this portfolio is in unrealized loss position. Full collection of the obligations is expected because the financial condition of the issuers is sound, none of the issuers has defaulted on scheduled payments, the obligations are rated investment grade and the Company has the ability and intent to hold the obligations for a period of time to recover the amortized cost. During the three months endedMarch 31, 2015, the Company did not purchase any corporate obligations. This compares to a total of $12.0 million purchased during the same period in 2014.

Trust Preferred Securities

Trust preferred securities represent subordinated debt issued by financial institutions. At March 31, 2015, the Company owned two trust preferred securities with a total fair value of $1.3 million and total net unrealized loss of $0.2 million. This compares to two trust preferred securities with a total fair value of $1.2 million and a total net unrealized loss of $0.2 million at December 31, 2014. At March 31, 2015 and December 31, 2014, both of the securities in this portfolio were in unrealized loss positions. Full collection of the obligations is expected because the financial condition of the issuers is sound, none of the issuers has defaulted on scheduled payments, the obligations are rated investment grade and the Company has the ability and intent to hold the obligations for a period of time to recover the amortized cost.

Marketable Equity Securities

At March 31, 2015 and December 31, 2014, the Company owned marketable equity securities with a fair value of $1.0 million, which approximated amortized cost. At March 31, 2015 and December 31, 2014, none of the securities in this portfolio was in an unrealized loss position.

Investment Securities Held-to-Maturity

At March 31, 2015 and December 31, 2014, the Company owned a held-to-maturity investment security with a carrying value of $0.5 million and a fair value of $0.5 million. This investment security matures in March 2016 and carries an interest rate of 1.3%.

Portfolio Maturities

The final stated maturities of the debt securities are as follows at the dates indicated:

	At March 31, 2015						At December 31, 2014
	Amortized Cost		Estimated Fair Value		Weighted Average Rate		Amortized Cost		Estimated Fair Value		Weighted Average Rate
	(Dollars in Thousands)
Investment securities available-for-sale:
Within 1 year	$	5,985	$	6,027	2.42	%	$	3,057	$	3,081	3.00	%
After 1 year through 5 years	55,299		56,593		2.46	%	55,631		56,586		2.48	%
After 5 years through 10 years	94,946		96,674		1.98	%	103,268		104,208		2.00	%
Over 10 years	405,392		404,837		1.91	%	390,685		385,913		1.91	%
	$	561,622	$	564,131	1.98	%	$	552,641	$	549,788	1.99	%
Investment securities held-to-maturity:
Within 1 year	$	500	$	500	1.30	%	$	—	$	—	—	%
After 1 year through 5 years	—		—		—	%	500		500		1.30	%
	$	500	$	500	1.30	%	$	500	$	500	1.30	%

Actual maturities of debt securities may differ from those presented above since certain obligations provide the issuer the right to call or prepay the obligation prior to scheduled maturity without penalty. At March 31, 2015, issuers of debt securities with an estimated fair value of $12.0 million had the right to call or prepay the obligations. Of the $12.0 million, $8.0 million matures in 1 - 5 years and $4.0 million matures in 6 - 10 years. At December 31, 2014, issuers of debt securities with an estimated fair value of $16.1 million had the right to call or prepay the obligations. Of the $16.1 million, approximately $5.0 million matures in 1 - 5 years, $9.9 million matures in 6 - 10 years and $1.2 million matures after ten years. MBSs and CMOs are included above based on their contractual maturities; the remaining lives, however, are expected to be shorter due to anticipated prepayments.

Security Sales

Security transactions are recorded on the trade date. When securities are sold, the adjusted cost of the specific security sold is used to compute the gain on loss on the sale. There were no security sales during the three-month periods ended March 31, 2015 and 2014.

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Basis of Presentation (Policies)

3 Months Ended

Mar. 31, 2015

Accounting Policies

Basis of Financial Statement Presentation

Basis of Financial Statement Presentation

The unaudited consolidated financial statements of the Company presented herein have been prepared pursuant to the rules of the Securities and Exchange Commission (“SEC”) for quarterly reports on Form 10-Q and do not include all of the information and note disclosures required by U.S. generally accepted accounting principles (“GAAP”). In the opinion of management, all adjustments (consisting of normal recurring adjustments) and disclosures considered necessary for the fair presentation of the accompanying consolidated financial statements have been included. Interim results are not necessarily reflective of the results of the entire year. The accompanying unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Annual Report on Form 10-K for the fiscal year ended December 31, 2014. 

The unaudited consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All significant intercompany transactions and balances are eliminated in consolidation.

In preparing these consolidated financial statements, management is required to make significant estimates and assumptions that affect the reported amounts of assets, liabilities, income, expenses and disclosure of contingent assets and liabilities. Actual results could differ from those estimates based upon changing conditions, including economic conditions and future events. Material estimates that are particularly susceptible to significant change in the near-term include the determination of the allowance for loan and lease losses, the determination of fair market values of assets and liabilities, including acquired loans and leases, the review of goodwill and intangibles for impairment and the review of deferred tax assets for valuation allowances.

The judgments used by management in applying these critical accounting policies may be affected by a further and prolonged deterioration in the economic environment, which may result in changes to future financial results. For example, subsequent evaluations of the loan and lease portfolio, in light of the factors then prevailing, may result in significant changes in the allowance for loan and lease losses in future periods, and the inability to collect outstanding principal may result in increased loan and lease losses.

Reclassification

Reclassification

Certain previously reported amounts have been reclassified to conform to the current year’s presentation, which did not change stockholders' equity and net income reported.

Recent Accounting Pronouncements

During the quarter ended March 31, 2015, the Financial Accounting Standards Board (“FASB”) issued no new Accounting Standards Updates ("ASUs") that were applicable to the Company. Refer to page F-20 of the Company's Annual Report on Form 10-K for the year ended December 31, 2014 for applicable ASUs issued in 2014.

The Company adopted ASU 2014-01, Accounting for Investments in Qualified Affordable Housing Projects, which required retrospective application. Refer to Note 8, "Investments in Qualified Affordable Projects" for the impact the adoption had on the Company's financial statements.

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Stock Based Compensation

3 Months Ended

Mar. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock Based Compensation

Stock Based Compensation

As of March 31, 2015, the Company had three active recognition and retention plans: the 2003 Recognition and Retention Plan (the "2003 RRP") with 1,250,000 authorized shares, the 2011 Restricted Stock Award Plan (the "2011 RSA") with 500,000 authorized shares and the 2014 Equity Incentive Plan (the "2014 Plan") with 1,750,000 authorized shares. The 2003 RRP, the 2011 RSA and the 2014 Plan are collectively referred to as the "Plans". The purpose of the Plans is to promote the long-term financial success of the Company and its subsidiaries by providing a means to attract, retain and reward individuals who contribute to such success and to further align their interests with those of the Company's stockholders.

Of the awarded shares, generally 50% vest ratably over three years with one-third of such shares vesting at each of the first, second and third anniversary dates of the awards. These are referred to as "time-based shares". The remaining 50% of each award has a cliff vesting schedule and will vest three years after the award date based on the level of the Company's achievement of identified performance targets in comparison to the level of achievement of such identified performance targets by a defined peer group comprised of 20 financial institutions. These are referred to as "performance-based shares". The specific performance measure targets relate to return on assets, return on tangible equity, asset quality and total shareholder return. If a participant leaves the Company prior to the third anniversary date of an award, any unvested shares will be forfeited. Dividends declared with respect to shares awarded are held by the Company and paid to the participant only when the shares vest.

Under all the Plans, shares of the Company's common stock were reserved for issuance as restricted stock awards to officers, employees, consultants and non-employee directors of the Company. Shares issued upon vesting may be either authorized but unissued shares or reacquired shares held by the Company as treasury shares. Any shares not issued because vesting requirements are not met will be retired back to treasury and be made available again for issuance under the Plans.

Total expense for the Plans was $0.4 million for the three months endedMarch 31, 2015 and 2014.

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Goodwill and Other Intangible Assets

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

The following table sets forth the carrying value of goodwill and other intangible assets at the dates indicated:

	At March 31, 2015		At December 31, 2014
	(In Thousands)
Goodwill	$	137,890	$	137,890
Other intangible assets:
Core deposits	11,717		12,455
Trade name	1,089		1,089
Total other intangible assets	12,806		13,544
Total goodwill and other intangible assets	$	150,696	$	151,434

The Company concluded that the BankRI name would continue to be utilized in its marketing strategies; therefore, the trade name with carrying value of $1.1 million has an indefinite life.

The estimated aggregate future amortization expense (in thousands) for intangible assets with a finite life remaining at March 31, 2015 is as follows:

Remainder of 2015	$	2,173
Year ending:
2016	2,500
2017	2,089
2018	1,669
2019	1,295
Thereafter	1,991
Total	$	11,717

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Earnings per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Numerator:
Net income	$ 11,703	[1]	$ 10,542	[1]
Denominator:
Weighted average shares outstanding	70,036,090		69,875,473
Effect of dilutive securities (in shares)	128,015		108,526
Adjusted weighted average shares outstanding	70,164,105		69,983,999
EPS, Basic (in dollars per share)	$ 0.17	[1]	$ 0.15	[1]
EPS, Fully Diluted (in dollars per share)	$ 0.17	[1]	$ 0.15	[1]

[1] Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

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Allowance for Loan and Lease Losses

3 Months Ended

Mar. 31, 2015

Receivables [Abstract]

Allowance for Loan and Lease Losses

Allowance for Loan and Lease Losses

The following tables present the changes in the allowance for loan and lease losses and the recorded investment in loans and leases by portfolio segment for the periods indicated:

	Three Months Ended March 31, 2015
	Commercial Real Estate			Commercial			Indirect Automobile			Consumer			Unallocated		Total
	(In Thousands)
Balance at December 31, 2014	$	29,594		$	15,957		$	2,331		$	3,359		$	2,418	$	53,659
Charge-offs	(388		)	(450		)	(820		)	(7		)	—		(1,665		)
Recoveries	—			212			581			18			—		811
Provision (credit) for loan and lease losses	254			3,365			(1,634		)	249			67		2,301
Balance at March 31, 2015	$	29,460		$	19,084		$	458		$	3,619		$	2,485	$	55,106

	Three Months Ended March 31, 2014
	Commercial Real Estate		Commercial			Indirect Automobile			Consumer			Unallocated		Total
	(In Thousands)
Balance at December 31, 2013	$	23,022	$	15,220		$	3,924		$	3,375		$	2,932	$	48,473
Charge-offs	—		(551		)	(289		)	(210		)	—		(1,050		)
Recoveries	—		251			104			29			—		384
Provision for loan and lease losses	1,836		624			(75		)	(84		)	116		2,417
Balance at March 31, 2014	$	24,858	$	15,544		$	3,664		$	3,110		$	3,048	$	50,224

The liability for unfunded credit commitments, which is included in other liabilities, was $1.2 million, $1.3 million and $1.1 million at March 31, 2015, December 31, 2014 and March 31, 2014, respectively. The liability for unfunded credit commitments reflects changes in the estimate of loss exposure associated with certain unfunded credit commitments. No credit commitments were charged off against the liability account in the three-month periods ended March 31, 2015 and 2014.

Provision for Credit Losses

The provision for credit losses are set forth below for the periods indicated:

	Three Months Ended March 31,
	2015			2014
	(In Thousands)
Provision (credit) for loan and lease losses:
Commercial real estate	$	254		$	1,836
Commercial	3,365			624
Indirect automobile	(1,634		)	(75		)
Consumer	249			(84		)
Unallocated	67			116
Total provision for loan and lease losses	2,301			2,417
Unfunded credit commitments	(38		)	26
Total provision for credit losses	$	2,263		$	2,443

Procedure for Placing Loans and Leases on Nonaccrual

Accrual of interest on loans generally is discontinued when contractual payment of principal or interest becomes past due 90 days or, if in management’s judgment, reasonable doubt exists as to the full timely collection of interest. Exceptions may be made if the loan has matured and is in the process of renewal or is well-secured and in the process of collection. When a loan is placed on nonaccrual status, interest accruals cease and uncollected accrued interest is reversed and charged against current interest income. Interest payments on nonaccrual loans are generally applied to principal. If collection of the principal is reasonably assured, interest payments are recognized as income on the cash basis. Loans are generally returned to accrual status when principal and interest payments are current, full collectability of principal and interest is reasonably assured and a consistent record of at least six consecutive months of performance has been achieved.

Allowance for Loan and Lease Losses Methodology

Management has established a methodology to determine the adequacy of the allowance for loan and lease losses that assesses the risks and losses inherent in the loan and lease portfolio. Additions to the allowance for loan and lease losses are made by charges to the provision for credit losses. Losses on loans and leases are charged off against the allowance when all or a portion of a loan or lease is considered uncollectible. Subsequent recoveries on loans previously charged off, if any, are credited to the allowance when realized.

The allowance for loan and lease losses consists of general, specific and unallocated reserves and reflects management's estimate of probable loan and lease losses inherent in the loan portfolio at the balance sheet date. Management uses a consistent and systematic process and methodology to evaluate the adequacy of the allowance for loan and lease losses on a quarterly basis. For purposes of determining the allowance for loan and lease losses, the Company has segmented certain loans and leases in the portfolio by product type into the following pools: (1) commercial real estate loans, (2) commercial loans and leases, (3) indirect automobile loans and (4) consumer loans. Portfolio segments are further disaggregated into classes based on the associated risks within the segments. Commercial real estate loans are divided into three classes: commercial real estate mortgage loans, multi-family mortgage loans and construction loans. Commercial loans and leases are divided into three classes: commercial loans, equipment financing, and loans to condominium associations. The indirect automobile loan segment is not divided into classes. Consumer loans are divided into three classes: residential mortgage loans, home equity loans and other consumer loans. A formula-based credit evaluation approach is applied to each group, coupled with an analysis of certain loans for impairment.

General Allowance

The general allowance related to loans collectively evaluated for impairment is determined using a formula-based approach utilizing the risk ratings of individual credits and loss factors derived from historic portfolio loss rates which includes estimates of incurred losses over an estimated loss emergence period (“LEP”). The LEP was generated utilizing a charge-off look-back analyses which studied the time from the first indication of elevated risk of repayment (or other early event indicating a problem) to eventual charge-off to support the LEP considered in the allowance calculation. This reserving methodology established the approximate number of months of a LEP that incurred losses should be carried for each portfolio. Other relevant qualitative factors include, but are not limited to, historic levels and trends in loan charge-offs and recoveries; past-due loans; risk-rated loans; classified loans and impaired loans; the pace of loan growth; underwriting policies and adherence to such policies; changes in credit concentration; the experience of lending personnel and management; trends in the economy and employment; business conditions; industry conditions; and political, legislative and regulatory changes. The general allowance related to the acquired loans collectively evaluated for impairment are determined based upon the degree, if any, of deterioration in the pooled loans subsequent to acquisition. The qualitative factors used in the determination are the same as those used for originated loans.

The general allowance for loan and lease losses was $49.7 million at March 31, 2015, compared to $50.1 million at December 31, 2014. The general portion of the allowance for loan and lease losses decreased by $0.4 million during the three months endedMarch 31, 2015, largely a result of the sale of the indirect automobile portfolio, partially offset by growth in commercial real estate and commercial loan and lease portfolios. The sale of the indirect automobile portfolio resulted in a release of $1.9 million in the general allowance for loan and lease losses.

Specific Allowance

Specific valuation allowances are established for impaired originated loans with book values greater than the discounted present value of expected future cash flows or, in the case of collateral-dependent impaired loans, for any excess of a loan's book balance and the fair value of its underlying collateral. Specific valuation allowances are established for acquired loans with deterioration in the discounted present value of expected future cash flows since acquisitions or, in the case of collateral dependent impaired loans, for any increase in the excess of a loan's book balance greater than the fair value of its underlying collateral. A specific valuation allowance for losses on troubled debt restructured loans is determined by comparing the net carrying amount of the troubled debt restructured loan with the restructured loan's cash flows discounted at the original

effective rate. Impaired loans are reviewed quarterly with adjustments made to the calculated reserve as deemed necessary.

The specific allowance for loan and lease losses was $2.9 million at March 31, 2015, compared to $1.2 million at December 31, 2014. The specific allowance increased by $1.7 million during the three months endedMarch 31, 2015, primarily due to one commercial relationship which was downgraded during the three months endedMarch 31, 2015.

Unallocated Allowance

Determination of the unallocated portion of the allowance is a subjective process. Management believes the unallocated allowance is an important component of the total allowance because it addresses the probable inherent risk of loss that exists in that part of the Company's loan portfolio with repayment terms that extend over many years. It also helps to minimize the risk related to the margin of imprecision inherent in the estimation of the allocated components of the allowance. The Company has not allocated the unallocated portion of the allowance to the various loan categories and classes because such an allocation would imply a degree of precision that does not exist.

The unallocated allowance for loan and lease losses was $2.5 million at March 31, 2015, compared to $2.4 million at December 31, 2014. The unallocated portion of the allowance for loan and lease losses increased by $0.1 million during the three months endedMarch 31, 2015, largely as the result of the increase in overall allowance for loan and lease losses.

Credit Quality Assessment

At the time of loan origination, a rating is assigned based on the financial strength of the borrower and the value of assets pledged as collateral. The Company continually monitors the asset quality of the loan portfolio using all available information. The officer responsible for handling each loan is required to initiate changes to risk ratings when changes in facts and circumstances occur that warrant an upgrade or downgrade in a loan rating. Based on this information, loans demonstrating certain payment issues or other weaknesses may be categorized as delinquent, impaired, nonperforming and/or put on nonaccrual status. Additionally, in the course of resolving such loans, the Company may choose to restructure the contractual terms of certain loans to match the borrower’s ability to repay the loan based on their current financial condition. If a restructured loan meets certain criteria, it may be categorized as a troubled debt restructuring.

The Company reviews numerous credit quality indicators when assessing the risk in its loan portfolio. For the commercial real estate mortgage, multi-family mortgage, construction, commercial, equipment financing, condominium association and other consumer loan and lease classes, the Company utilizes an eight-grade loan rating system, which assigns a risk rating to each borrower based on a number of quantitative and qualitative factors associated with a loan transaction. Factors considered include industry and market conditions; position within the industry; earnings trends; operating cash flow; asset/liability values; debt capacity; guarantor strength; management and controls; financial reporting; collateral; and other considerations. In addition, the Company’s independent loan review group evaluates the credit quality and related risk ratings of the commercial real estate and commercial loan portfolios. The results of these reviews are reported to the Board of Directors. For consumer loans, the Company primarily relies on payment status for monitoring credit risk.

The ratings categories used for assessing credit risk in the commercial real estate mortgage, multi-family mortgage, construction, commercial, equipment financing, condominium association and other consumer loan and lease classes are defined as follows:

1-4 Rating — Pass

Loan rating grades “1” through “4” are classified as “Pass,” which indicates borrowers are performing in accordance with the terms of the loan and are less likely to result in loss due to the capacity of the borrower to pay and the adequacy of the value of assets pledged as collateral.

5 Rating — Other Asset Especially Mentioned (“OAEM”)

Borrowers exhibit potential credit weaknesses or downward trends deserving management’s attention. If not checked or corrected, these trends will weaken the Company’s asset and position. While potentially weak, currently these borrowers are marginally acceptable; no loss of principal or interest is envisioned.

6 Rating — Substandard

Borrowers exhibit well-defined weaknesses that jeopardize the orderly liquidation of debt. Substandard loans may be inadequately protected by the current net worth and paying capacity of the obligors or by the collateral pledged, if any. Normal repayment from the borrower is in jeopardy. Although no loss of principal is envisioned, there is a distinct possibility that a partial loss of interest and/or principal will occur if the deficiencies are not corrected. Collateral coverage may be inadequate to cover the principal obligation.

7 Rating — Doubtful

Borrowers exhibit well-defined weaknesses that jeopardize the orderly liquidation of debt with the added provision that the weaknesses make collection of the debt in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable. Serious problems exist to the point where partial loss of principal is likely.

8 Rating — Definite Loss

Borrowers deemed incapable of repayment. Loans to such borrowers are considered uncollectable and of such little value that continuation as active assets of the Company is not warranted.

Assets rated as “OAEM,” “substandard” or “doubtful” based on criteria established under banking regulations are collectively referred to as “criticized” assets.

Credit Quality Information

The following tables present the recorded investment in loans in each class at March 31, 2015 by credit quality indicator.

	At March 31, 2015
	Commercial Real Estate Mortgage		Multi- Family Mortgage		Construction		Commercial		Equipment Financing		Condominium Association		Other Consumer
	(In Thousands)
Originated:
Loan rating:
Pass	$	1,454,500	$	589,373	$	132,229	$	499,770	$	598,603	$	52,707	$	11,621
OAEM	13,368		1,217		—		6,665		896		—		—
Substandard	3,186		—		—		7,997		1,106		—		45
Doubtful	—		—		—		943		1,440		—		—
Total originated	1,471,054		590,590		132,229		515,375		602,045		52,707		11,666
Acquired:
Loan rating:
Pass	226,510		59,169		1,791		39,101		12,186		—		162
OAEM	8,177		1,008		227		1,568		—		—		—
Substandard	7,978		1,733		—		4,208		70		—		—
Doubtful	421		—		—		92		—		—		—
Total acquired	243,086		61,910		2,018		44,969		12,256		—		162
Total loans	$	1,714,140	$	652,500	$	134,247	$	560,344	$	614,301	$	52,707	$	11,828

At March 31, 2015, there were no loans categorized as definite loss.

	At March 31, 2015
	Indirect Automobile
	(In Thousands)		(Percent)
Originated:
Credit score:
Over 700	$	15,915	68.2	%
661-700	5,403		23.2	%
660 and below	1,781		7.6	%
Data not available	236		1.0	%
Total loans	$	23,335	100.0	%

	At March 31, 2015
	Residential Mortgage				Home Equity
	(In Thousands)		(Percent)		(In Thousands)		(Percent)
Originated:
Loan-to-value ratio:
Less than 50%	$	105,225	18.1	%	$	122,455	41.9	%
50% - 69%	194,651		33.6	%	37,398		12.8	%
70% - 79%	162,574		28.1	%	27,437		9.4	%
80% and over	18,015		3.1	%	3,352		1.2	%
Data not available	2,309		0.4	%	1,073		0.4	%
Total originated	482,774		83.3	%	191,715		65.7	%
Acquired:
Loan-to-value ratio:
Less than 50%	18,962		3.3	%	66,105		22.6	%
50% - 69%	34,476		6.0	%	23,163		7.9	%
70% - 79%	22,022		3.8	%	9,040		3.1	%
80% and over	16,114		2.8	%	1,170		0.4	%
Data not available	4,646		0.8	%	1,005		0.3	%
Total acquired	96,220		16.7	%	100,483		34.3	%
Total loans	$	578,994	100.0	%	$	292,198	100.0	%

The following tables present the recorded investment in loans in each class at December 31, 2014 by credit quality indicator.

	At December 31, 2014
	Commercial Real Estate Mortgage		Multi- Family Mortgage		Construction		Commercial		Equipment Financing		Condominium Association		Other Consumer
	(In Thousands)
Originated:
Loan rating:
Pass	$	1,402,121	$	574,972	$	146,074	$	447,778	$	583,340	$	51,593	$	11,540
OAEM	22,491		1,242		—		12,193		932		—		—
Substandard	1,009		—		—		1,671		2,338		—		40
Doubtful	—		—		—		1,088		886		—		—
Total originated	1,425,621		576,214		146,074		462,730		587,496		51,593		11,580
Acquired:
Loan rating:
Pass	237,439		60,837		1,709		43,925		13,795		—		167
OAEM	8,351		713		230		1,852		—		—		—
Substandard	8,250		1,942		—		5,424		133		—		—
Doubtful	421		—		—		146		—		—		—
Total acquired	254,461		63,492		1,939		51,347		13,928		—		167
Total loans	$	1,680,082	$	639,706	$	148,013	$	514,077	$	601,424	$	51,593	$	11,747

At December 31, 2014, there were no loans categorized as definite loss.

	At December 31, 2014
	Indirect Automobile
	(In Thousands)		(Percent)
Originated:
Credit score:
Over 700	$	262,160	82.7	%
661-700	43,422		13.7	%
660 and below	9,927		3.1	%
Data not available	1,478		0.5	%
Total loans	$	316,987	100.0	%

	At December 31, 2014
	Residential Mortgage				Home Equity
	(In Thousands)		(Percent)		(In Thousands)		(Percent)
Originated:
Loan-to-value ratio:
Less than 50%	$	105,342	18.4	%	$	113,541	39.6	%
50% - 69%	179,319		31.4	%	35,660		12.4	%
70% - 79%	166,467		29.1	%	27,123		9.4	%
80% and over	19,335		3.4	%	4,195		1.5	%
Data not available	1,615		0.3	%	1,061		0.4	%
Total originated	472,078		82.6	%	181,580		63.2	%
Acquired:
Loan-to-value ratio:
Less than 50%	19,574		3.4	%	70,293		24.5	%
50% - 69%	35,131		6.2	%	22,581		7.9	%
70% - 79%	22,972		4.0	%	10,569		3.7	%
80% and over	16,268		2.8	%	1,178		0.4	%
Data not available	5,897		1.0	%	857		0.3	%
Total acquired	99,842		17.4	%	105,478		36.8	%
Total loans	$	571,920	100.0	%	$	287,058	100.0	%

Age Analysis of Past Due Loans and Leases

The following tables present an age analysis of the recorded investment in total loans and leases at March 31, 2015 and December 31, 2014.

	At March 31, 2015
	Past Due												Loans and Leases Past
	31-60 Days		61-90 Days		Greater  Than 90  Days		Total		Current		Total Loans and Leases		Due Greater Than 90 Days and Accruing		Nonaccrual Loans and Leases
	(In Thousands)
Originated:
Commercial real estate loans:
Commercial real estate mortgage	$	179	$	1,122	$	200	$	1,501	$	1,469,553	$	1,471,054	$	—	$	3,135
Multi-family mortgage	—		—		—		—		590,590		590,590		—		—
Construction	—		—		—		—		132,229		132,229		—		—
Total commercial real estate loans	179		1,122		200		1,501		2,192,372		2,193,873		—		3,135
Commercial loans and leases:
Commercial	793		52		2,080		2,925		512,450		515,375		—		8,810
Equipment financing	1,659		355		1,775		3,789		598,256		602,045		—		2,321
Condominium association	363		—		—		363		52,344		52,707		—		—
Total commercial loans and leases	2,815		407		3,855		7,077		1,163,050		1,170,127		—		11,131
Indirect automobile	1,957		624		130		2,711		20,624		23,335		—		468
Consumer loans:
Residential mortgage	173		329		499		1,001		481,773		482,774		—		2,290
Home equity	159		—		204		363		191,352		191,715		—		235
Other consumer	24		6		37		67		11,599		11,666		—		45
Total consumer loans	356		335		740		1,431		684,724		686,155		—		2,570
Total originated loans and leases	$	5,307	$	2,488	$	4,925	$	12,720	$	4,060,770	$	4,073,490	$	—	$	17,304

	At March 31, 2015
	Past Due												Loans and Leases Past
	31-60 Days		61-90 Days		Greater  Than 90  Days		Total		Current		Total Loans and Leases		Due Greater Than 90 Days and Accruing		Nonaccrual Loans and Leases
	(In Thousands)
Acquired:
Commercial real estate loans:
Commercial real estate mortgage	$	3,186	$	387	$	3,180	$	6,753	$	236,333	$	243,086	$	3,065	$	115
Multi-family mortgage	690		—		2,188		2,878		59,032		61,910		2,188		—
Construction	—		227		—		227		1,791		2,018		—		—
Total commercial real estate loans	3,876		614		5,368		9,858		297,156		307,014		5,253		115
Commercial loans and leases:
Commercial	348		594		3,309		4,251		40,718		44,969		624		3,229
Equipment financing	—		—		62		62		12,194		12,256		72		—
Total commercial loans and leases	348		594		3,371		4,313		52,912		57,225		696		3,229
Consumer loans:
Residential mortgage	66		51		2,419		2,536		93,684		96,220		2,077		342
Home equity	892		149		968		2,009		98,474		100,483		35		1,744
Other consumer	—		—		—		—		162		162		—		—
Total consumer loans	958		200		3,387		4,545		192,320		196,865		2,112		2,086
Total acquired loans and leases	$	5,182	$	1,408	$	12,126	$	18,716	$	542,388	$	561,104	$	8,061	$	5,430
Total loans and leases	$	10,489	$	3,896	$	17,051	$	31,436	$	4,603,158	$	4,634,594	$	8,061	$	22,734

	At December 31, 2014
	Past Due												Loans and Leases Past
	31-60 Days		61-90 Days		Greater  Than 90  Days		Total		Current		Total Loans and Leases		Due Greater Than 90 Days and Accruing		Nonaccrual Loans and Leases
	(In Thousands)
Originated:
Commercial real estate loans:
Commercial real estate mortgage	$	1,631	$	416	$	160	$	2,207	$	1,423,414	$	1,425,621	$	—	$	1,009
Multi-family mortgage	385		—		—		385		575,829		576,214		—		—
Construction	—		—		—		—		146,074		146,074		—		—
Total commercial real estate loans	2,016		416		160		2,592		2,145,317		2,147,909		—		1,009
Commercial loans and leases:
Commercial	758		876		1,499		3,133		459,597		462,730		2		2,722
Equipment financing	1,534		138		2,392		4,064		583,432		587,496		—		3,214
Condominium association	501		—		—		501		51,092		51,593		—		—
Total commercial loans and leases	2,793		1,014		3,891		7,698		1,094,121		1,101,819		2		5,936
Indirect automobile	4,635		923		166		5,724		311,263		316,987		—		645
Consumer loans:
Residential mortgage	—		—		501		501		471,577		472,078		—		1,340
Home equity	75		52		129		256		181,324		181,580		—		161
Other consumer	17		5		30		52		11,528		11,580		—		41
Total consumer loans	92		57		660		809		664,429		665,238		—		1,542
Total originated loans and leases	$	9,536	$	2,410	$	4,877	$	16,823	$	4,215,130	$	4,231,953	$	2	$	9,132

	At December 31, 2014
	Past Due												Loans and Leases Past
	31-60 Days		61-90 Days		Greater  Than 90  Days		Total		Current		Total Loans and Leases		Due Greater Than 90 Days and Accruing		Nonaccrual Loans and Leases
	(In Thousands)
Acquired:
Commercial real estate loans:
Commercial real estate mortgage	$	989	$	3,705	$	2,387	$	7,081	$	247,380	$	254,461	$	2,387	$	—
Multi-family mortgage	195		729		363		1,287		62,205		63,492		363		—
Construction	—		—		—		—		1,939		1,939		—		—
Total commercial real estate loans	1,184		4,434		2,750		8,368		311,524		319,892		2,750		—
Commercial loans and leases:
Commercial	712		488		3,033		4,233		47,114		51,347		624		2,474
Equipment financing	2		52		66		120		13,808		13,928		73		9
Total commercial loans and leases	714		540		3,099		4,353		60,922		65,275		697		2,483
Consumer loans:
Residential mortgage	—		—		2,715		2,715		97,127		99,842		2,372		342
Home equity	1,005		733		923		2,661		102,817		105,478		187		1,757
Other consumer	—		—		—		—		167		167		—		—
Total consumer loans	1,005		733		3,638		5,376		200,111		205,487		2,559		2,099
Total acquired loans and leases	$	2,903	$	5,707	$	9,487	$	18,097	$	572,557	$	590,654	$	6,006	$	4,582
Total loan and leases	$	12,439	$	8,117	$	14,364	$	34,920	$	4,787,687	$	4,822,607	$	6,008	$	13,714

Commercial Real Estate Loans — At March 31, 2015, loans outstanding in the three classes within this segment expressed as a percentage of total loans and leases outstanding were as follows: commercial real estate mortgage loans — 37.0%; multi-family mortgage loans — 14.1%; and construction loans — 2.9%.

Loans in this portfolio that are on nonaccrual status and/or risk-rated “substandard” or worse are evaluated on an individual loan basis for impairment. For non-impaired commercial real estate loans, loss factors are applied to outstanding loans by risk rating for each of the three classes in the portfolio. The factors applied are based primarily on historic loan loss experience and an assessment of internal and external factors and other relevant information.

Commercial Loans and Leases — At March 31, 2015, loans and leases outstanding in the three classes within this segment expressed as a percent of total loans and leases outstanding were as follows: commercial loans and leases — 12.1%; equipment financing loans — 13.3%; and loans to condominium associations — 1.1%.

Loans and leases in this portfolio that are on nonaccrual status and/or risk-rated “substandard” or worse are evaluated on an individual basis for impairment. For non-impaired commercial loans and leases, loss factors are applied to outstanding loans by risk rating for each of the three classes in the portfolio.

Indirect Automobile Loans — At March 31, 2015, indirect automobile loans represented 0.5% of the Company’s total loan and lease portfolio. Determination of the allowance for loan and lease losses for this portfolio is based primarily on payment status and historical loss rates.

Consumer Loans — At March 31, 2015, loans outstanding within the three classes within this segment expressed as a percent of total loans and leases outstanding were as follows: residential mortgage loans — 12.5%; home equity loans — 6.3%; and other consumer loans — 0.3%.

Significant risk characteristics related to the residential mortgage and home equity loan portfolios are the geographic concentration of the properties financed within selected communities in the greater Boston and Providence metropolitan areas. The payment status and loan-to-value ratio are the primary credit quality indicators used for residential mortgage loans and home equity loans. Generally, loans are not made when the loan-to-value ratio exceeds 80% unless private mortgage insurance is obtained and/or there is a financially strong guarantor. Consumer loans that become 90 days or more past due, or are placed on nonaccrual regardless of past due status, are reviewed on an individual basis for impairment by assessing the net realizable value of underlying collateral and the economic condition of the borrower.

Impaired Loans and Leases

A loan is considered to be impaired when, based on current information and events, it is probable that the Company will

be unable to collect all amounts due (both interest and principal) according to the contractual terms of the loan agreement. The Company has defined the population of impaired loans to include nonaccrual loans and troubled debt restructured loans.

When the ultimate collectability of the total principal of an impaired loan or lease is in doubt and the loan is on nonaccrual status, all payments are applied to principal, under the cost recovery method. When the ultimate collectability of the total principal of an impaired loan or lease is not in doubt and the loan or lease is on nonaccrual status, contractual interest is credited to interest income when received, under the cash basis method.

The following tables include the recorded investment and unpaid principal balances of impaired loans and leases with the related allowance amount, if applicable, for the originated and acquired loan and lease portfolios at the dates indicated. Also presented are the average recorded investments in the impaired loans and leases and the related amount of interest recognized during the period that the impaired loans were impaired.

	At March 31, 2015						At December 31, 2014
	Recorded Investment (1)		Unpaid Principal Balance		Related Allowance		Recorded Investment (2)		Unpaid Principal Balance		Related Allowance
	(In Thousands)
Originated:
With no related allowance recorded:
Commercial real estate	$	4,914	$	4,909	$	—	$	2,751	$	2,748	$	—
Commercial	15,020		14,998		—		13,440		13,421		—
Consumer	4,077		4,072		—		3,055		3,048		—
Total originated with no related allowance recorded	24,011		23,979		—		19,246		19,217		—
With an allowance recorded:
Commercial real estate	4,102		4,102		98		4,119		4,119		108
Commercial	5,726		5,717		2,411		2,019		2,011		768
Consumer	169		169		10		176		176		10
Total originated with an allowance recorded	9,997		9,988		2,519		6,314		6,306		886
Total originated impaired loans and leases	34,008		33,967		2,519		25,560		25,523		886
Acquired:
With no related allowance recorded:
Commercial real estate	10,011		10,026		—		9,413		9,428		—
Commercial	4,379		4,376		—		6,049		6,047		—
Consumer	7,365		7,366		—		6,688		6,688		—
Total acquired with no related allowance recorded	21,755		21,768		—		22,150		22,163		—
With an allowance recorded:
Commercial real estate	243		243		23		244		244		22
Commercial	872		872		287		478		478		214
Consumer	352		352		47		225		225		41
Total acquired with an allowance recorded	1,467		1,467		357		947		947		277
Total acquired impaired loans and leases	23,222		23,235		357		23,097		23,110		277
Total impaired loans and leases	$	57,230	$	57,202	$	2,876	$	48,657	$	48,633	$	1,163

⁽¹⁾Includes originated and acquired nonaccrual loans of $15.6 million and $5.3 million, respectively at March 31, 2015.

⁽²⁾Includes originated and acquired nonaccrual loans of $7.1 million and $4.6 million, respectively at December 31, 2014.

	Three Months Ended
	March 31, 2015				March 31, 2014
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In Thousands)
Originated:
With no related allowance recorded:
Commercial real estate	$	4,928	$	22	$	3,898	$	36
Commercial	15,231		152		3,880		8
Consumer	4,080		15		3,832		13
Total originated with no related allowance recorded	24,239		189		11,610		57
With an allowance recorded:
Commercial real estate	4,109		50		164		—
Commercial	5,862		3		3,657		24
Consumer	172		—		298		—
Total originated with an allowance recorded	10,143		53		4,119		24
Total originated impaired loans and leases	34,382		242		15,729		81
Acquired:
With no related allowance recorded:
Commercial real estate	10,329		37		7,577		46
Commercial	4,503		15		8,221		36
Consumer	7,391		15		8,271		5
Total acquired with no related allowance recorded	22,223		67		24,069		87
With an allowance recorded:
Commercial real estate	244		—		4,420		37
Commercial	872		—		546		1
Consumer	360		2		—		—
Total acquired with an allowance recorded	1,476		2		4,966		38
Total acquired impaired loans and leases	23,699		69		29,035		125
Total impaired loans and leases	$	58,081	$	311	$	44,764	$	206

The following tables present information regarding impaired and non-impaired loans and leases at the dates indicated:

	At March 31, 2015
	Commercial Real Estate		Commercial		Indirect Automobile		Consumer		Unallocated		Total
	(In Thousands)
Allowance for Loan and Lease Losses:
Originated:
Individually evaluated for impairment	$	98	$	2,411	$	—	$	10	$	—	$	2,519
Collectively evaluated for impairment	27,491		16,078		458		3,164		2,485		49,676
Total originated loans and leases	27,589		18,489		458		3,174		2,485		52,195
Acquired:
Individually evaluated for impairment	—		208		—		47		—		255
Collectively evaluated for impairment	634		217		—		23		—		874
Acquired with deteriorated credit quality	1,237		170		—		375		—		1,782
Total acquired loans and leases	1,871		595		—		445		—		2,911
Total allowance for loan and lease losses	$	29,460	$	19,084	$	458	$	3,619	$	2,485	$	55,106
Loans and Leases:
Originated:
Individually evaluated for impairment	$	9,016	$	20,746	$	—	$	4,246	$	—	$	34,008
Collectively evaluated for impairment	2,184,857		1,149,381		23,335		681,909		—		4,039,482
Total originated loans and leases	2,193,873		1,170,127		23,335		686,155		—		4,073,490
Acquired:
Individually evaluated for impairment	615		4,294		—		3,311		—		8,220
Collectively evaluated for impairment	91,081		31,615		—		127,262		—		249,958
Acquired with deteriorated credit quality	215,318		21,316		—		66,292		—		302,926
Total acquired loans and leases	307,014		57,225		—		196,865		—		561,104
Total loans and leases	$	2,500,887	$	1,227,352	$	23,335	$	883,020	$	—	$	4,634,594

	At December 31, 2014
	Commercial Real Estate		Commercial		Indirect Automobile		Consumer		Unallocated		Total
	(In Thousands)
Allowance for Loan and Lease Losses:
Originated:
Individually evaluated for impairment	$	108	$	768	$	—	$	10	$	—	$	886
Collectively evaluated for impairment	27,457		14,631		2,331		3,088		2,418		49,925
Total originated loans and leases	27,565		15,399		2,331		3,098		2,418		50,811
Acquired:
Individually evaluated for impairment	—		144		—		41		—		185
Collectively evaluated for impairment	648		222		—		2		—		872
Acquired with deteriorated credit quality	1,381		192		—		218		—		1,791
Total acquired loans and leases	2,029		558		—		261		—		2,848
Total allowance for loan and lease losses	$	29,594	$	15,957	$	2,331	$	3,359	$	2,418	$	53,659
Loans and Leases:
Originated:
Individually evaluated for impairment	$	6,870	$	15,459	$	—	$	3,231	$	—	$	25,560
Collectively evaluated for impairment	2,141,039		1,086,360		316,987		662,007		—		4,206,393
Total originated loans and leases	2,147,909		1,101,819		316,987		665,238		—		4,231,953
Acquired:
Individually evaluated for impairment	626		4,458		—		2,562		—		7,646
Collectively evaluated for impairment	97,141		38,504		—		134,973		—		270,618
Acquired with deteriorated credit quality	222,125		22,313		—		67,952		—		312,390
Total acquired loans and leases	319,892		65,275		—		205,487		—		590,654
Total loans and leases	$	2,467,801	$	1,167,094	$	316,987	$	870,725	$	—	$	4,822,607

Troubled Debt Restructured Loans and Leases

A specific valuation allowance for losses on troubled debt restructured loans is determined by comparing the net carrying amount of the troubled debt restructured loan with the restructured loan's cash flows discounted at the original effective rate.

The following table sets forth information regarding troubled debt restructured loans and leases at the dates indicated:

	At March 31, 2015		At December 31, 2014
	(Dollars in Thousands)
Troubled debt restructurings:
On accrual	$	14,184	$	14,815
On nonaccrual	6,126		5,625
Total troubled debt restructurings	$	20,310	$	20,440

The recorded investment in troubled debt restructurings and the associated specific allowances for loan and lease losses, in the originated and acquired loan and lease portfolios, are as follows for the periods indicated.

	At and for the Three Months Ended March 31, 2015
	Recorded Investment					Specific				Defaulted(1)
	Number of Loans/ Leases	At Modification		At End of Period		Allowance for Loan and Lease Losses		Nonaccrual Loans and Leases		Additional Commitment		Number of Loans/ Leases	Recorded Investment
	(Dollars in Thousands)
Originated:
Commercial	3	$	2,569	$	2,568	$	—	$	248	$	—	1	248
Equipment financing	1	112		112		—		—		—		1	491
Total Originated	4	2,681		2,680		—		248		—		2	739
Acquired:
Commercial	1	13		13		—		13		—		2	406
Residential mortgage	1	140		140		12		—		—		—	—
Total Acquired	2	153		153		12		13		—		2	406
Total	6	$	2,834	$	2,833	$	12	$	261	$	—	4	$	1,145

(1) Includes loans and leases that have been modified within the past twelve months and subsequently had payment defaults during the period indicated.

	At and for the Three Months Ended March 31, 2014
	Recorded Investment					Specific				Defaulted(1)
	Number  of Loans/ Leases	At Modification		At End of Period		Allowance for Loan and Lease Losses		Nonaccrual Loans and Leases		Additional Commitment		Number of Loans/ Leases	Recorded Investment
	(Dollars in Thousands)
Originated:
Commercial real estate mortgage	1	$	953	$	951	$	—	$	—	$	—	—	$	—
Equipment financing	1	384		382		—		382		—		2	266
Residential mortgage	1	498		498		—		498		—		—	—
Total	3	$	1,835	$	1,831	$	—	$	880	$	—	2	$	266

(1) Includes loans and leases that have been modified within the past twelve months and subsequently had payment defaults during the period indicated.

For the three months ended March 31, 2014, there were no troubled debt restructurings in the Company’s acquired portfolio. 

The following table sets forth the Company’s balances of troubled debt restructurings that were modified at the dates indicated, by type of modification.

	Three Months Ended March 31,
	2015		2014
	(In Thousands)
Loans with one modification:
Adjusted interest rate	$	140	$	880
Combination maturity, principal, interest rate	125		—
Total loans with one modification	265		880
Loans with more than one modification:
Extended maturity	2,568		951
Total loans with more than one modification	2,568		951
Total loans with modifications	$	2,833	$	1,831

The financial impact of the modification of performing and nonperforming loans and leases for the three months ended March 31, 2015 was $0.03 million. There was no financial impact of the modification of performing and nonperforming loans and leases for the three months ended March 31, 2014.

As of March 31, 2015 and 2014, there were no commitments to lend funds to debtors owing receivables whose terms had been modified in troubled debt restructurings.

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Premises and Equipment

3 Months Ended

Mar. 31, 2015

Property, Plant and Equipment [Abstract]

Premises and Equipment

Premises and Equipment

In January 2014, the Company completed a transaction to sell a facility located in Brookline, MA, for $2.2 million. The carrying value of the property, including land, building, and furniture, fixtures, and equipment, was $0.4 million. After costs to sell of $0.2 million, the Company recorded a gain on sale in the amount of $1.6 million during the three months endedMarch 31, 2014, which is included in gain on sale/disposals of premises and equipment, net in the Company’s unaudited consolidated statements of income. There was no sale of property during the quarter ended March 31, 2015.

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Investments in Qualified Affordable Housing Projects

3 Months Ended

Mar. 31, 2015

Investments in Affordable Housing Projects [Abstract]

Investments in Qualified Affordable Housing Projects

Investments in Qualified Affordable Housing Projects

The Company began investing in affordable housing projects that benefit low- and moderate-income individuals in 2009. As of March 31, 2015, the Company has investments in 8 projects. The Company is a limited partner in these projects given that its investments do not exceed 50% of the outstanding equity interest in any single project and project management is controlled by the general partner or project sponsor.

On January 1, 2015, the Company adopted ASU 2014-01, Accounting for Investments in Qualified Affordable Housing Projects, which required retrospective application. Under the proportional amortization method in ASU 2014-01, the initial costs of investment in qualified affordable housing projects are amortized in proportion to tax credits and other tax benefits received, and are recognized as a component of the provision of income taxes in the consolidated statements of income. Prior to the implementation of ASU 2014-01, the Company’s investments in qualified affordable housing projects were accounted for using the equity method where operating losses from these investments were included as a component of non-interest income in the consolidated statements of income. Further information regarding the Company's investments in affordable housing projects follows:

	At March 31, 2015		At December 31, 2014
	(In Thousands)
Investments in affordable housing projects included in other assets	$	10,790	$	10,313
Unfunded commitments related to affordable housing projects included in other liabilities	2,338		2,608

	At and for the Three Months Ended March 31, 2015
	(In Thousands)
Investments in affordable housing projects tax credits included in other liabilities	$	397
Investments in affordable housing projects tax benefits included in other liabilities	164
Investment amortization included in pretax income	410
Amount recognized as income tax benefit	151

ASU 2014-01 was applied retrospectively to all periods presented. The cumulative effect on retained earnings was $1.1 million at January 1, 2015.

The following table illustrates the prior period adjustments related to the adoption of ASU 2014-01.

	At December 31, 2014
	(In Thousands)
Other assets, as reported	$	79,411
Prior period adjustment	1,068
Other assets, as adjusted	$	80,479
Retained earnings, as reported	$	83,792
Prior period adjustment	1,068
Retained earnings, as adjusted	$	84,860

	Three Months Ended March 31, 2014
	(In Thousands)
Loss from investments in affordable housing projects, as reported	$	504
Prior period adjustment	(504		)
Loss from investments in affordable housing projects, as adjusted	$	—
Provision for income taxes, as reported	$	5,995
Prior period adjustment	384
Provision for income taxes, as adjusted	$	6,379
Net income, as reported	$	10,422
Prior period adjustment	120
Net income, as adjusted	$	10,542
Earnings per share, as reported	$	0.15
Prior period adjustment	—
Earnings per share, as adjusted	$	0.15
Effective tax rate, as reported	35.60		%
Prior period adjustment	1.18		%
Effective tax rate, as adjusted	36.78		%

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Fair Value of Financial Instruments (Details 4) (Level 3, Appraisal of collateral, USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Collateral-dependent impaired loans and leases
Quantitative information for Level 3 Fair Value Measurements Assets
Fair value of assets	$ 16,530	$ 6,376
OREO
Quantitative information for Level 3 Fair Value Measurements Assets
Fair value of assets	$ 1,043	$ 953

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Commitments and Contingencies (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Loan commitments
Unadvanced portion of loans and leases	$ 534,040,000		$ 629,351,000
Unused lines of credit:
Home equity	249,810,000		244,603,000
Other consumer	11,743,000		10,876,000
Other commercial	859,000		728,000
Unused letters of credit:
Financial standby letters of credit	16,249,000		16,762,000
Performance standby letters of credit	10,000		3,126,000
Commercial and similar letters of credit	50,000		50,000
Back-to-back interest-rate swaps	110,152,000		109,362,000
Unfunded credit commitments liability included in other liabilities	1,200,000	1,100,000	1,300,000
Fair value of interest rate swap assets	3,600,000		2,700,000
Fair value of interest rate swap liabilities	3,800,000		2,700,000
Summary of future minimum rental payments under noncancellable operating leases year ending December 31
Remainder of 2015	4,130,000
Year ending:
2016	5,354,000
2017	4,831,000
2018	4,275,000
2019	3,361,000
Thereafter	12,266,000
Total	34,217,000
Total rental expense	1,200,000	2,300,000
Operating leases, rent expense, acceleration	0	800,000
Minimum
Summary of future minimum rental payments under noncancellable operating leases year ending December 31
Lease term	5 years
Maximum
Summary of future minimum rental payments under noncancellable operating leases year ending December 31
Lease term	20 years
Commercial real estate mortgage loans
Loan commitments
Commitments to originate loans and leases	56,739,000		107,179,000
Commercial
Loan commitments
Commitments to originate loans and leases	74,264,000		102,353,000
Residential mortgage
Loan commitments
Commitments to originate loans and leases	$ 9,878,000		$ 20,520,000

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Fair Value of Financial Instruments (Details 3) (Nonrecurring basis, USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Fair value of assets and liabilities
Fair value of assets	$ 18,553	$ 7,832
Level 1
Fair value of assets and liabilities
Fair value of assets	0	0
Level 2
Fair value of assets and liabilities
Fair value of assets	980	503
Level 3
Fair value of assets and liabilities
Fair value of assets	17,573	7,329
Collateral-dependent impaired loans and leases
Fair value of assets and liabilities
Fair value of assets	16,530	6,376
Collateral-dependent impaired loans and leases | Level 1
Fair value of assets and liabilities
Fair value of assets	0	0
Collateral-dependent impaired loans and leases | Level 2
Fair value of assets and liabilities
Fair value of assets	0	0
Collateral-dependent impaired loans and leases | Level 3
Fair value of assets and liabilities
Fair value of assets	16,530	6,376
OREO
Fair value of assets and liabilities
Fair value of assets	1,043	953
OREO | Level 1
Fair value of assets and liabilities
Fair value of assets	0	0
OREO | Level 2
Fair value of assets and liabilities
Fair value of assets	0	0
OREO | Level 3
Fair value of assets and liabilities
Fair value of assets	1,043	953
Repossessed assets
Fair value of assets and liabilities
Fair value of assets	980	503
Repossessed assets | Level 1
Fair value of assets and liabilities
Fair value of assets	0	0
Repossessed assets | Level 2
Fair value of assets and liabilities
Fair value of assets	980	503
Repossessed assets | Level 3
Fair value of assets and liabilities
Fair value of assets	$ 0	$ 0

XML

Basis of Presentation (Details) (USD $)	3 Months Ended
	Mar. 31, 2015 bank office
Basis of Presentation
Number of full-service banking offices	24
FDIC insurance limit per depositor	$ 250,000
Number of banks on whose deposits insurance coverage was offered	3
Percentage of insurance offered	100.00%
Eastern Funding LLC
Basis of Presentation
Percentage of ownership in subsidiary	84.70%
BankRI
Basis of Presentation
Number of full-service banking offices	19
First Ipswich Bancorp:
Basis of Presentation
Number of full-service banking offices	5

XML

Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Schedule of Goodwill and Intangible Assets [Line Items]
Goodwill	$ 137,890	$ 137,890
Total other intangible assets	12,806	13,544
Total goodwill and other intangible assets	150,696	151,434
Trade name
Schedule of Goodwill and Intangible Assets [Line Items]
Total other intangible assets	1,089	1,089
Core deposits
Schedule of Goodwill and Intangible Assets [Line Items]
Total other intangible assets	$ 11,717	$ 12,455

XML

Fair Value of Financial Instruments

3 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

Fair Value of Financial Instruments

A description of the valuation methodologies used for assets and liabilities measured at fair value on a recurring and non-recurring basis, as well as the general classification of such instruments pursuant to the valuation hierarchy, is set forth below. There were no changes in the valuation techniques used during the three months endedMarch 31, 2015 and March 31, 2014.

Assets and Liabilities Recorded at Fair Value on a Recurring Basis

The following tables set forth the carrying value of assets and liabilities measured at fair value on a recurring basis at the dates indicated:

	Carrying Value at March 31, 2015
	Level 1		Level 2		Level 3		Total
	(In Thousands)
Assets:
Investment securities available-for-sale:
Debt securities:
GSEs	$	—	$	23,253	$	—	$	23,253
GSE CMOs	—		227,843		—		227,843
GSE MBSs	—		271,034		—		271,034
SBA commercial loan asset-backed securities	—		197		—		197
Corporate debt obligations	—		40,541		—		40,541
Trust preferred securities	—		1,262		—		1,262
Total debt securities	—		564,130		—		564,130
Marketable equity securities	985		—		—		985
Total investment securities available-for-sale	$	985	$	564,130	$	—	$	565,115
Interest-rate swaps	$	—	$	3,642	$	—	$	3,642
Liabilities:
Interest-rate swaps	$	—	$	3,771	$	—	$	3,771

	Carrying Value at December 31, 2014
	Level 1		Level 2		Level 3		Total
	(In Thousands)
Assets:
Investment securities available-for-sale:
Debt securities:
GSEs	$	—	$	22,988	$	—	$	22,988
GSE CMOs	—		234,169		—		234,169
GSE MBSs	—		250,981		—		250,981
SBA commercial loan asset-backed securities	—		203		—		203
Corporate debt obligations	—		40,207		—		40,207
Trust preferred securities	—		1,240		—		1,240
Total debt securities	—		549,788		—		549,788
Marketable equity securities	973		—		—		973
Total investment securities available-for-sale	$	973	$	549,788	$	—	$	550,761
Interest-rate swaps	$	—	$	2,676	$	—	$	2,676
Liabilities:
Interest-rate swaps	$	—	$	2,714	$	—	$	2,714

Investment Securities Available-for-Sale

The fair value of investment securities is based principally on market prices and dealer quotes received from third-party and nationally-recognized pricing services for identical investment securities such as U.S. Treasury and agency securities. The Company's marketable equity securities are priced this way and are included in Level 1. These prices are validated by comparing the primary pricing source with an alternative pricing source when available. When quoted market prices for identical securities are unavailable, the Company uses market prices provided by independent pricing services based on recent trading activity and other observable information, including but not limited to market interest-rate curves, referenced credit spreads and estimated prepayment speeds where applicable. These investments include certain U.S. and government agency debt securities, GSE residential MBSs and CMOs, private-label CMOs, municipal and corporate debt securities, and trust preferred securities, all of which are included in Level 2. Certain fair values estimated using pricing models (such as auction-rate municipal securities) are included in Level 3.

Additionally, management reviews changes in fair value from period to period and performs testing to ensure that prices received from the third parties are consistent with management's expectation of the market. Changes in the prices obtained from the pricing service are analyzed from month to month, taking into consideration changes in market conditions including changes in mortgage spreads, changes in U.S. Treasury security yields and changes in generic pricing of 15-year and 30-year securities. Additional analysis may include a review of prices provided by other independent parties, a yield analysis, a review of average life changes using Bloomberg analytics and a review of historical pricing for a particular security.

Interest-Rate Swaps

The fair values for the interest-rate swap assets and liabilities represent a Level 2 valuation and are based on settlement values adjusted for credit risks associated with the counterparties and the Company and observable market interest rate curves. Credit risk adjustments consider factors such as the likelihood of default by the Company and its counterparties, its net exposures and remaining contractual life. To date, the Company has not realized any losses due to a counterparty’s inability to pay any net uncollateralized position. The change in value of interest-rate swap assets and liabilities attributable to credit risk was not significant during the reported periods. See also Note 10, “Derivatives and Hedging Activities.”

The reconciliation of all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) is as follows:

	Three Months Ended March 31,
	2015		2014
	(In Thousands)
Investment securities available-for-sale, beginning of period	$	—	$	1,775
Total unrealized losses included in other comprehensive income	—		(85		)
Investment securities available-for-sale, end of period	$	—	$	1,690

There were no transfers between levels for assets and liabilities recorded at fair value on a recurring basis during the three months endedMarch 31, 2015 and 2014.

Assets and Liabilities Recorded at Fair Value on a Non-Recurring Basis

The table below summarizes assets and liabilities measured at fair value on a non-recurring basis at the dates indicated:

	Carrying Value at March 31, 2015
	Level 1		Level 2		Level 3		Total
	(In Thousands)
Assets measured at fair value on a non-recurring basis:
Collateral-dependent impaired loans and leases	$	—	$	—	$	16,530	$	16,530
OREO	—		—		1,043		1,043
Repossessed assets	—		980		—		980
Total assets measured at fair value on a non-recurring basis	$	—	$	980	$	17,573	$	18,553

	Carrying Value at December 31, 2014
	Level 1		Level 2		Level 3		Total
	(In Thousands)
Assets measured at fair value on a non-recurring basis:
Collateral-dependent impaired loans and leases	$	—	$	—	$	6,376	$	6,376
OREO	—		—		953		953
Repossessed assets	—		503		—		503
Total assets measured at fair value on a non-recurring basis	$	—	$	503	$	7,329	$	7,832

Collateral-Dependent Impaired Loans and Leases

For nonperforming loans and leases where the credit quality of the borrower has deteriorated significantly, fair values of the underlying collateral were estimated using purchase and sales agreements (Level 2), or comparable sales or recent appraisals (Level 3), adjusted for selling costs and other expenses.

Other Real Estate Owned

The Company records other real estate owned at the lower of cost or fair value. In estimating fair value, the Company utilizes purchase and sales agreements (Level 2) or comparable sales, recent appraisals or cash flows discounted at an interest rate commensurate with the risk associated with these cash flows (Level 3), adjusted for selling costs and other expenses.

Repossessed Assets

Repossessed assets are carried at estimated fair value less costs to sell based on auction pricing (Level 2).

The table below presents quantitative information about significant unobservable inputs (Level 3) for assets measured at fair value on a recurring and non-recurring basis at the dates indicated.

	Fair Value				Valuation Technique
	At March 31, 2015		At December 31, 2014
	(Dollars in Thousands)
Collateral-dependent impaired loans and leases	$	16,530	$	6,376	Appraisal of collateral (1)
Other real estate owned	$	1,043	$	953	Appraisal of collateral (1)

(1) Fair value is generally determined through independent appraisals of the underlying collateral. The Company may also use another available source of collateral assessment to determine a reasonable estimate of the fair value of the collateral. Appraisals may be adjusted by management for qualitative factors such as economic factors and estimated liquidation expenses. The range of these possible adjustments may vary.

Summary of Estimated Fair Values of Financial Instruments

The following table presents the carrying amount, estimated fair value, and placement in the fair value hierarchy of the Company’s financial instruments at the dates indicated. This table excludes financial instruments for which the carrying amount approximates fair value. Financial assets for which the fair value approximates carrying value include cash and cash equivalents, FHLBB and FRB stock and accrued interest receivable. Financial liabilities for which the fair value approximates carrying value include non-maturity deposits, short-term borrowings and accrued interest payable.

					Fair Value Measurements
	Carrying Value		Estimated Fair Value		Level 1 Inputs		Level 2 Inputs		Level 3 Inputs
	(In Thousands)
At March 31, 2015
Financial assets:
Investment securities held-to-maturity	$	500	$	500	$	—	$	—	$	500
Loans held-for-sale	787		787		—		787		—
Loans and leases, net	4,579,488		4,592,417		—		—		4,592,417
Financial liabilities:
Certificates of deposit	1,051,580		1,061,059		—		1,061,059		—
Borrowed funds	924,925		931,448		—		931,448		—
At December 31, 2014
Financial assets:
Investment securities held-to-maturity	$	500	$	500	$	—	$	—	$	500
Loans held-for-sale	1,537		1,537		—		1,537		—
Loans and leases, net	4,768,948		4,753,605		—		—		4,753,605
Financial liabilities:
Certificates of deposit	946,708		949,320		—		949,320		—
Borrowed funds	1,126,404		1,132,940		—		1,132,940		—

Investment Securities Held-to-Maturity

The fair values of investment securities held-to-maturity are estimated using pricing models or are based on comparisons to market prices of similar securities and are considered to be Level 3.

Loans Held-for-Sale

Fair value is measured using quoted market prices when available. These assets are typically categorized as Level 1. If quoted market prices are not available, comparable market values may be utilized. These assets are typically categorized as Level 2.

Loans and Leases

The fair values of performing loans and leases were estimated by segregating the portfolio into its primary loan and lease categories—commercial real estate mortgage, multi-family mortgage, construction, commercial, equipment financing, condominium association, indirect automobile, residential mortgage, home equity and other consumer. These categories were further disaggregated based on significant financial characteristics such as type of interest rate (fixed / variable) and payment status (current / past-due). The Company discounts the contractual cash flows for each loan category using interest rates currently being offered for loans with similar terms to borrowers of similar quality and incorporates estimates of future loan prepayments. This method of estimating fair value does not incorporate the exit price concept of fair value.

Deposits

The fair values of deposit liabilities with no stated maturity (demand, NOW, savings and money market savings accounts) are equal to the carrying amounts payable on demand. The fair value of certificates of deposit represents contractual cash flows discounted using interest rates currently offered on deposits with similar characteristics and remaining maturities. The fair value estimates for deposits do not include the benefit that results from the low-cost funding provided by the Company’s core deposit relationships (deposit-based intangibles).

Borrowed Funds

The fair value of federal funds purchased is equal to the amount borrowed. The fair value of FHLBB advances and repurchase agreements represents contractual repayments discounted using interest rates currently available for borrowings with similar characteristics and remaining maturities. The fair values reported for retail repurchase agreements are based on the discounted value of contractual cash flows. The discount rates used are representative of approximate rates currently offered on borrowings with similar characteristics and maturities. The fair values reported for subordinated deferrable interest debentures are based on the discounted value of contractual cash flows. The discount rates used are representative of approximate rates currently offered on instruments with similar terms and maturities.

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Allowance for Loan and Lease Losses (Tables)

3 Months Ended

Mar. 31, 2015

Receivables [Abstract]

Schedule of changes in the allowance for loan and lease losses and the recorded investment in loans and leases by portfolio segment

The following tables present the changes in the allowance for loan and lease losses and the recorded investment in loans and leases by portfolio segment for the periods indicated:

	Three Months Ended March 31, 2015
	Commercial Real Estate			Commercial			Indirect Automobile			Consumer			Unallocated		Total
	(In Thousands)
Balance at December 31, 2014	$	29,594		$	15,957		$	2,331		$	3,359		$	2,418	$	53,659
Charge-offs	(388		)	(450		)	(820		)	(7		)	—		(1,665		)
Recoveries	—			212			581			18			—		811
Provision (credit) for loan and lease losses	254			3,365			(1,634		)	249			67		2,301
Balance at March 31, 2015	$	29,460		$	19,084		$	458		$	3,619		$	2,485	$	55,106

	Three Months Ended March 31, 2014
	Commercial Real Estate		Commercial			Indirect Automobile			Consumer			Unallocated		Total
	(In Thousands)
Balance at December 31, 2013	$	23,022	$	15,220		$	3,924		$	3,375		$	2,932	$	48,473
Charge-offs	—		(551		)	(289		)	(210		)	—		(1,050		)
Recoveries	—		251			104			29			—		384
Provision for loan and lease losses	1,836		624			(75		)	(84		)	116		2,417
Balance at March 31, 2014	$	24,858	$	15,544		$	3,664		$	3,110		$	3,048	$	50,224

Schedule of provisions for credit losses

The provision for credit losses are set forth below for the periods indicated:

	Three Months Ended March 31,
	2015			2014
	(In Thousands)
Provision (credit) for loan and lease losses:
Commercial real estate	$	254		$	1,836
Commercial	3,365			624
Indirect automobile	(1,634		)	(75		)
Consumer	249			(84		)
Unallocated	67			116
Total provision for loan and lease losses	2,301			2,417
Unfunded credit commitments	(38		)	26
Total provision for credit losses	$	2,263		$	2,443

Summary of the recorded investments in loans in each class (unpaid balance of loans and leases outstanding excluding deferred loan origination costs) by credit quality indicator

The following tables present the recorded investment in loans in each class at March 31, 2015 by credit quality indicator.

	At March 31, 2015
	Commercial Real Estate Mortgage		Multi- Family Mortgage		Construction		Commercial		Equipment Financing		Condominium Association		Other Consumer
	(In Thousands)
Originated:
Loan rating:
Pass	$	1,454,500	$	589,373	$	132,229	$	499,770	$	598,603	$	52,707	$	11,621
OAEM	13,368		1,217		—		6,665		896		—		—
Substandard	3,186		—		—		7,997		1,106		—		45
Doubtful	—		—		—		943		1,440		—		—
Total originated	1,471,054		590,590		132,229		515,375		602,045		52,707		11,666
Acquired:
Loan rating:
Pass	226,510		59,169		1,791		39,101		12,186		—		162
OAEM	8,177		1,008		227		1,568		—		—		—
Substandard	7,978		1,733		—		4,208		70		—		—
Doubtful	421		—		—		92		—		—		—
Total acquired	243,086		61,910		2,018		44,969		12,256		—		162
Total loans	$	1,714,140	$	652,500	$	134,247	$	560,344	$	614,301	$	52,707	$	11,828

At March 31, 2015, there were no loans categorized as definite loss.

	At March 31, 2015
	Indirect Automobile
	(In Thousands)		(Percent)
Originated:
Credit score:
Over 700	$	15,915	68.2	%
661-700	5,403		23.2	%
660 and below	1,781		7.6	%
Data not available	236		1.0	%
Total loans	$	23,335	100.0	%

	At March 31, 2015
	Residential Mortgage				Home Equity
	(In Thousands)		(Percent)		(In Thousands)		(Percent)
Originated:
Loan-to-value ratio:
Less than 50%	$	105,225	18.1	%	$	122,455	41.9	%
50% - 69%	194,651		33.6	%	37,398		12.8	%
70% - 79%	162,574		28.1	%	27,437		9.4	%
80% and over	18,015		3.1	%	3,352		1.2	%
Data not available	2,309		0.4	%	1,073		0.4	%
Total originated	482,774		83.3	%	191,715		65.7	%
Acquired:
Loan-to-value ratio:
Less than 50%	18,962		3.3	%	66,105		22.6	%
50% - 69%	34,476		6.0	%	23,163		7.9	%
70% - 79%	22,022		3.8	%	9,040		3.1	%
80% and over	16,114		2.8	%	1,170		0.4	%
Data not available	4,646		0.8	%	1,005		0.3	%
Total acquired	96,220		16.7	%	100,483		34.3	%
Total loans	$	578,994	100.0	%	$	292,198	100.0	%

The following tables present the recorded investment in loans in each class at December 31, 2014 by credit quality indicator.

	At December 31, 2014
	Commercial Real Estate Mortgage		Multi- Family Mortgage		Construction		Commercial		Equipment Financing		Condominium Association		Other Consumer
	(In Thousands)
Originated:
Loan rating:
Pass	$	1,402,121	$	574,972	$	146,074	$	447,778	$	583,340	$	51,593	$	11,540
OAEM	22,491		1,242		—		12,193		932		—		—
Substandard	1,009		—		—		1,671		2,338		—		40
Doubtful	—		—		—		1,088		886		—		—
Total originated	1,425,621		576,214		146,074		462,730		587,496		51,593		11,580
Acquired:
Loan rating:
Pass	237,439		60,837		1,709		43,925		13,795		—		167
OAEM	8,351		713		230		1,852		—		—		—
Substandard	8,250		1,942		—		5,424		133		—		—
Doubtful	421		—		—		146		—		—		—
Total acquired	254,461		63,492		1,939		51,347		13,928		—		167
Total loans	$	1,680,082	$	639,706	$	148,013	$	514,077	$	601,424	$	51,593	$	11,747

At December 31, 2014, there were no loans categorized as definite loss.

	At December 31, 2014
	Indirect Automobile
	(In Thousands)		(Percent)
Originated:
Credit score:
Over 700	$	262,160	82.7	%
661-700	43,422		13.7	%
660 and below	9,927		3.1	%
Data not available	1,478		0.5	%
Total loans	$	316,987	100.0	%

	At December 31, 2014
	Residential Mortgage				Home Equity
	(In Thousands)		(Percent)		(In Thousands)		(Percent)
Originated:
Loan-to-value ratio:
Less than 50%	$	105,342	18.4	%	$	113,541	39.6	%
50% - 69%	179,319		31.4	%	35,660		12.4	%
70% - 79%	166,467		29.1	%	27,123		9.4	%
80% and over	19,335		3.4	%	4,195		1.5	%
Data not available	1,615		0.3	%	1,061		0.4	%
Total originated	472,078		82.6	%	181,580		63.2	%
Acquired:
Loan-to-value ratio:
Less than 50%	19,574		3.4	%	70,293		24.5	%
50% - 69%	35,131		6.2	%	22,581		7.9	%
70% - 79%	22,972		4.0	%	10,569		3.7	%
80% and over	16,268		2.8	%	1,178		0.4	%
Data not available	5,897		1.0	%	857		0.3	%
Total acquired	99,842		17.4	%	105,478		36.8	%
Total loans	$	571,920	100.0	%	$	287,058	100.0	%

Schedule of information regarding the aging of past due loans, by loans and leases class

The following tables present an age analysis of the recorded investment in total loans and leases at March 31, 2015 and December 31, 2014.

	At March 31, 2015
	Past Due												Loans and Leases Past
	31-60 Days		61-90 Days		Greater  Than 90  Days		Total		Current		Total Loans and Leases		Due Greater Than 90 Days and Accruing		Nonaccrual Loans and Leases
	(In Thousands)
Originated:
Commercial real estate loans:
Commercial real estate mortgage	$	179	$	1,122	$	200	$	1,501	$	1,469,553	$	1,471,054	$	—	$	3,135
Multi-family mortgage	—		—		—		—		590,590		590,590		—		—
Construction	—		—		—		—		132,229		132,229		—		—
Total commercial real estate loans	179		1,122		200		1,501		2,192,372		2,193,873		—		3,135
Commercial loans and leases:
Commercial	793		52		2,080		2,925		512,450		515,375		—		8,810
Equipment financing	1,659		355		1,775		3,789		598,256		602,045		—		2,321
Condominium association	363		—		—		363		52,344		52,707		—		—
Total commercial loans and leases	2,815		407		3,855		7,077		1,163,050		1,170,127		—		11,131
Indirect automobile	1,957		624		130		2,711		20,624		23,335		—		468
Consumer loans:
Residential mortgage	173		329		499		1,001		481,773		482,774		—		2,290
Home equity	159		—		204		363		191,352		191,715		—		235
Other consumer	24		6		37		67		11,599		11,666		—		45
Total consumer loans	356		335		740		1,431		684,724		686,155		—		2,570
Total originated loans and leases	$	5,307	$	2,488	$	4,925	$	12,720	$	4,060,770	$	4,073,490	$	—	$	17,304

	At March 31, 2015
	Past Due												Loans and Leases Past
	31-60 Days		61-90 Days		Greater  Than 90  Days		Total		Current		Total Loans and Leases		Due Greater Than 90 Days and Accruing		Nonaccrual Loans and Leases
	(In Thousands)
Acquired:
Commercial real estate loans:
Commercial real estate mortgage	$	3,186	$	387	$	3,180	$	6,753	$	236,333	$	243,086	$	3,065	$	115
Multi-family mortgage	690		—		2,188		2,878		59,032		61,910		2,188		—
Construction	—		227		—		227		1,791		2,018		—		—
Total commercial real estate loans	3,876		614		5,368		9,858		297,156		307,014		5,253		115
Commercial loans and leases:
Commercial	348		594		3,309		4,251		40,718		44,969		624		3,229
Equipment financing	—		—		62		62		12,194		12,256		72		—
Total commercial loans and leases	348		594		3,371		4,313		52,912		57,225		696		3,229
Consumer loans:
Residential mortgage	66		51		2,419		2,536		93,684		96,220		2,077		342
Home equity	892		149		968		2,009		98,474		100,483		35		1,744
Other consumer	—		—		—		—		162		162		—		—
Total consumer loans	958		200		3,387		4,545		192,320		196,865		2,112		2,086
Total acquired loans and leases	$	5,182	$	1,408	$	12,126	$	18,716	$	542,388	$	561,104	$	8,061	$	5,430
Total loans and leases	$	10,489	$	3,896	$	17,051	$	31,436	$	4,603,158	$	4,634,594	$	8,061	$	22,734

	At December 31, 2014
	Past Due												Loans and Leases Past
	31-60 Days		61-90 Days		Greater  Than 90  Days		Total		Current		Total Loans and Leases		Due Greater Than 90 Days and Accruing		Nonaccrual Loans and Leases
	(In Thousands)
Originated:
Commercial real estate loans:
Commercial real estate mortgage	$	1,631	$	416	$	160	$	2,207	$	1,423,414	$	1,425,621	$	—	$	1,009
Multi-family mortgage	385		—		—		385		575,829		576,214		—		—
Construction	—		—		—		—		146,074		146,074		—		—
Total commercial real estate loans	2,016		416		160		2,592		2,145,317		2,147,909		—		1,009
Commercial loans and leases:
Commercial	758		876		1,499		3,133		459,597		462,730		2		2,722
Equipment financing	1,534		138		2,392		4,064		583,432		587,496		—		3,214
Condominium association	501		—		—		501		51,092		51,593		—		—
Total commercial loans and leases	2,793		1,014		3,891		7,698		1,094,121		1,101,819		2		5,936
Indirect automobile	4,635		923		166		5,724		311,263		316,987		—		645
Consumer loans:
Residential mortgage	—		—		501		501		471,577		472,078		—		1,340
Home equity	75		52		129		256		181,324		181,580		—		161
Other consumer	17		5		30		52		11,528		11,580		—		41
Total consumer loans	92		57		660		809		664,429		665,238		—		1,542
Total originated loans and leases	$	9,536	$	2,410	$	4,877	$	16,823	$	4,215,130	$	4,231,953	$	2	$	9,132

	At December 31, 2014
	Past Due												Loans and Leases Past
	31-60 Days		61-90 Days		Greater  Than 90  Days		Total		Current		Total Loans and Leases		Due Greater Than 90 Days and Accruing		Nonaccrual Loans and Leases
	(In Thousands)
Acquired:
Commercial real estate loans:
Commercial real estate mortgage	$	989	$	3,705	$	2,387	$	7,081	$	247,380	$	254,461	$	2,387	$	—
Multi-family mortgage	195		729		363		1,287		62,205		63,492		363		—
Construction	—		—		—		—		1,939		1,939		—		—
Total commercial real estate loans	1,184		4,434		2,750		8,368		311,524		319,892		2,750		—
Commercial loans and leases:
Commercial	712		488		3,033		4,233		47,114		51,347		624		2,474
Equipment financing	2		52		66		120		13,808		13,928		73		9
Total commercial loans and leases	714		540		3,099		4,353		60,922		65,275		697		2,483
Consumer loans:
Residential mortgage	—		—		2,715		2,715		97,127		99,842		2,372		342
Home equity	1,005		733		923		2,661		102,817		105,478		187		1,757
Other consumer	—		—		—		—		167		167		—		—
Total consumer loans	1,005		733		3,638		5,376		200,111		205,487		2,559		2,099
Total acquired loans and leases	$	2,903	$	5,707	$	9,487	$	18,097	$	572,557	$	590,654	$	6,006	$	4,582
Total loan and leases	$	12,439	$	8,117	$	14,364	$	34,920	$	4,787,687	$	4,822,607	$	6,008	$	13,714

Schedule of impaired loans and leases, by loans and leases class

The following tables include the recorded investment and unpaid principal balances of impaired loans and leases with the related allowance amount, if applicable, for the originated and acquired loan and lease portfolios at the dates indicated. Also presented are the average recorded investments in the impaired loans and leases and the related amount of interest recognized during the period that the impaired loans were impaired.

	At March 31, 2015						At December 31, 2014
	Recorded Investment (1)		Unpaid Principal Balance		Related Allowance		Recorded Investment (2)		Unpaid Principal Balance		Related Allowance
	(In Thousands)
Originated:
With no related allowance recorded:
Commercial real estate	$	4,914	$	4,909	$	—	$	2,751	$	2,748	$	—
Commercial	15,020		14,998		—		13,440		13,421		—
Consumer	4,077		4,072		—		3,055		3,048		—
Total originated with no related allowance recorded	24,011		23,979		—		19,246		19,217		—
With an allowance recorded:
Commercial real estate	4,102		4,102		98		4,119		4,119		108
Commercial	5,726		5,717		2,411		2,019		2,011		768
Consumer	169		169		10		176		176		10
Total originated with an allowance recorded	9,997		9,988		2,519		6,314		6,306		886
Total originated impaired loans and leases	34,008		33,967		2,519		25,560		25,523		886
Acquired:
With no related allowance recorded:
Commercial real estate	10,011		10,026		—		9,413		9,428		—
Commercial	4,379		4,376		—		6,049		6,047		—
Consumer	7,365		7,366		—		6,688		6,688		—
Total acquired with no related allowance recorded	21,755		21,768		—		22,150		22,163		—
With an allowance recorded:
Commercial real estate	243		243		23		244		244		22
Commercial	872		872		287		478		478		214
Consumer	352		352		47		225		225		41
Total acquired with an allowance recorded	1,467		1,467		357		947		947		277
Total acquired impaired loans and leases	23,222		23,235		357		23,097		23,110		277
Total impaired loans and leases	$	57,230	$	57,202	$	2,876	$	48,657	$	48,633	$	1,163

⁽¹⁾Includes originated and acquired nonaccrual loans of $15.6 million and $5.3 million, respectively at March 31, 2015.

⁽²⁾Includes originated and acquired nonaccrual loans of $7.1 million and $4.6 million, respectively at December 31, 2014.

	Three Months Ended
	March 31, 2015				March 31, 2014
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In Thousands)
Originated:
With no related allowance recorded:
Commercial real estate	$	4,928	$	22	$	3,898	$	36
Commercial	15,231		152		3,880		8
Consumer	4,080		15		3,832		13
Total originated with no related allowance recorded	24,239		189		11,610		57
With an allowance recorded:
Commercial real estate	4,109		50		164		—
Commercial	5,862		3		3,657		24
Consumer	172		—		298		—
Total originated with an allowance recorded	10,143		53		4,119		24
Total originated impaired loans and leases	34,382		242		15,729		81
Acquired:
With no related allowance recorded:
Commercial real estate	10,329		37		7,577		46
Commercial	4,503		15		8,221		36
Consumer	7,391		15		8,271		5
Total acquired with no related allowance recorded	22,223		67		24,069		87
With an allowance recorded:
Commercial real estate	244		—		4,420		37
Commercial	872		—		546		1
Consumer	360		2		—		—
Total acquired with an allowance recorded	1,476		2		4,966		38
Total acquired impaired loans and leases	23,699		69		29,035		125
Total impaired loans and leases	$	58,081	$	311	$	44,764	$	206

Schedule of the impaired and non-impaired loans and leases, by loan and leases class

The following tables present information regarding impaired and non-impaired loans and leases at the dates indicated:

	At March 31, 2015
	Commercial Real Estate		Commercial		Indirect Automobile		Consumer		Unallocated		Total
	(In Thousands)
Allowance for Loan and Lease Losses:
Originated:
Individually evaluated for impairment	$	98	$	2,411	$	—	$	10	$	—	$	2,519
Collectively evaluated for impairment	27,491		16,078		458		3,164		2,485		49,676
Total originated loans and leases	27,589		18,489		458		3,174		2,485		52,195
Acquired:
Individually evaluated for impairment	—		208		—		47		—		255
Collectively evaluated for impairment	634		217		—		23		—		874
Acquired with deteriorated credit quality	1,237		170		—		375		—		1,782
Total acquired loans and leases	1,871		595		—		445		—		2,911
Total allowance for loan and lease losses	$	29,460	$	19,084	$	458	$	3,619	$	2,485	$	55,106
Loans and Leases:
Originated:
Individually evaluated for impairment	$	9,016	$	20,746	$	—	$	4,246	$	—	$	34,008
Collectively evaluated for impairment	2,184,857		1,149,381		23,335		681,909		—		4,039,482
Total originated loans and leases	2,193,873		1,170,127		23,335		686,155		—		4,073,490
Acquired:
Individually evaluated for impairment	615		4,294		—		3,311		—		8,220
Collectively evaluated for impairment	91,081		31,615		—		127,262		—		249,958
Acquired with deteriorated credit quality	215,318		21,316		—		66,292		—		302,926
Total acquired loans and leases	307,014		57,225		—		196,865		—		561,104
Total loans and leases	$	2,500,887	$	1,227,352	$	23,335	$	883,020	$	—	$	4,634,594

	At December 31, 2014
	Commercial Real Estate		Commercial		Indirect Automobile		Consumer		Unallocated		Total
	(In Thousands)
Allowance for Loan and Lease Losses:
Originated:
Individually evaluated for impairment	$	108	$	768	$	—	$	10	$	—	$	886
Collectively evaluated for impairment	27,457		14,631		2,331		3,088		2,418		49,925
Total originated loans and leases	27,565		15,399		2,331		3,098		2,418		50,811
Acquired:
Individually evaluated for impairment	—		144		—		41		—		185
Collectively evaluated for impairment	648		222		—		2		—		872
Acquired with deteriorated credit quality	1,381		192		—		218		—		1,791
Total acquired loans and leases	2,029		558		—		261		—		2,848
Total allowance for loan and lease losses	$	29,594	$	15,957	$	2,331	$	3,359	$	2,418	$	53,659
Loans and Leases:
Originated:
Individually evaluated for impairment	$	6,870	$	15,459	$	—	$	3,231	$	—	$	25,560
Collectively evaluated for impairment	2,141,039		1,086,360		316,987		662,007		—		4,206,393
Total originated loans and leases	2,147,909		1,101,819		316,987		665,238		—		4,231,953
Acquired:
Individually evaluated for impairment	626		4,458		—		2,562		—		7,646
Collectively evaluated for impairment	97,141		38,504		—		134,973		—		270,618
Acquired with deteriorated credit quality	222,125		22,313		—		67,952		—		312,390
Total acquired loans and leases	319,892		65,275		—		205,487		—		590,654
Total loans and leases	$	2,467,801	$	1,167,094	$	316,987	$	870,725	$	—	$	4,822,607

Information regarding troubled debt restructuring loans

The following table sets forth information regarding troubled debt restructured loans and leases at the dates indicated:

	At March 31, 2015		At December 31, 2014
	(Dollars in Thousands)
Troubled debt restructurings:
On accrual	$	14,184	$	14,815
On nonaccrual	6,126		5,625
Total troubled debt restructurings	$	20,310	$	20,440

Summary of investment in troubled debt restructurings, and the associated specific allowances for loan and lease losses

The recorded investment in troubled debt restructurings and the associated specific allowances for loan and lease losses, in the originated and acquired loan and lease portfolios, are as follows for the periods indicated.

	At and for the Three Months Ended March 31, 2015
	Recorded Investment					Specific				Defaulted(1)
	Number of Loans/ Leases	At Modification		At End of Period		Allowance for Loan and Lease Losses		Nonaccrual Loans and Leases		Additional Commitment		Number of Loans/ Leases	Recorded Investment
	(Dollars in Thousands)
Originated:
Commercial	3	$	2,569	$	2,568	$	—	$	248	$	—	1	248
Equipment financing	1	112		112		—		—		—		1	491
Total Originated	4	2,681		2,680		—		248		—		2	739
Acquired:
Commercial	1	13		13		—		13		—		2	406
Residential mortgage	1	140		140		12		—		—		—	—
Total Acquired	2	153		153		12		13		—		2	406
Total	6	$	2,834	$	2,833	$	12	$	261	$	—	4	$	1,145

(1) Includes loans and leases that have been modified within the past twelve months and subsequently had payment defaults during the period indicated.

	At and for the Three Months Ended March 31, 2014
	Recorded Investment					Specific				Defaulted(1)
	Number  of Loans/ Leases	At Modification		At End of Period		Allowance for Loan and Lease Losses		Nonaccrual Loans and Leases		Additional Commitment		Number of Loans/ Leases	Recorded Investment
	(Dollars in Thousands)
Originated:
Commercial real estate mortgage	1	$	953	$	951	$	—	$	—	$	—	—	$	—
Equipment financing	1	384		382		—		382		—		2	266
Residential mortgage	1	498		498		—		498		—		—	—
Total	3	$	1,835	$	1,831	$	—	$	880	$	—	2	$	266

Schedule of troubled debt restructurings by type of modification

The following table sets forth the Company’s balances of troubled debt restructurings that were modified at the dates indicated, by type of modification.

	Three Months Ended March 31,
	2015		2014
	(In Thousands)
Loans with one modification:
Adjusted interest rate	$	140	$	880
Combination maturity, principal, interest rate	125		—
Total loans with one modification	265		880
Loans with more than one modification:
Extended maturity	2,568		951
Total loans with more than one modification	2,568		951
Total loans with modifications	$	2,833	$	1,831

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Allowance for Loan and Lease Losses (Details 6) (USD $)	3 Months Ended
	Mar. 31, 2015 loan	Mar. 31, 2014 loan	Dec. 31, 2014
Troubled debt restructurings:
On accrual	$ 14,184,000		$ 14,815,000
On nonaccrual	6,126,000		5,625,000
Total troubled debt restructurings	20,310,000		20,440,000
Number of loans	6	3
Recorded Investment, At modification	2,834,000	1,835,000
Recorded Investment, At end of period	2,833,000	1,831,000
Specific Allowance for Loan and Lease Losses	12,000	0
Nonaccrual Loans and Leases/Recorded Investment	261,000	880,000
Defaulted, number of loans/leases	4	2
Defaulted, recorded investment	1,145,000	266,000
Total loans with one modification	265,000	880,000
Total loans with more than one modification	2,568,000	951,000
Financial impact of modification of performing and nonperforming loans	30,000	0
Commitments to lend funds to debtors owing receivables whose terms had been modified in troubled debt restructurings	0	0
Originated
Troubled debt restructurings:
Number of loans	4
Recorded Investment, At modification	2,681,000
Recorded Investment, At end of period	2,680,000
Specific Allowance for Loan and Lease Losses	0
Nonaccrual Loans and Leases/Recorded Investment	248,000
Defaulted, number of loans/leases	2
Defaulted, recorded investment	739,000
Acquired
Troubled debt restructurings:
Number of loans	2
Recorded Investment, At modification	153,000
Recorded Investment, At end of period	153,000
Specific Allowance for Loan and Lease Losses	12,000
Nonaccrual Loans and Leases/Recorded Investment	13,000
Defaulted, number of loans/leases	2
Defaulted, recorded investment	406,000
Extended maturity
Troubled debt restructurings:
Total loans with more than one modification	2,568,000	951,000
Adjusted interest rate
Troubled debt restructurings:
Total loans with one modification	140,000	880,000
Combination of maturity, principal, interest rate
Troubled debt restructurings:
Total loans with one modification	125,000	0
Commercial real estate mortgage | Originated
Troubled debt restructurings:
Number of loans		1
Recorded Investment, At modification		953,000
Recorded Investment, At end of period		951,000
Specific Allowance for Loan and Lease Losses		0
Nonaccrual Loans and Leases/Recorded Investment		0
Defaulted, number of loans/leases		0
Defaulted, recorded investment		0
Commercial | Originated
Troubled debt restructurings:
Number of loans	3
Recorded Investment, At modification	2,569,000
Recorded Investment, At end of period	2,568,000
Specific Allowance for Loan and Lease Losses	0
Nonaccrual Loans and Leases/Recorded Investment	248,000
Defaulted, number of loans/leases	1
Defaulted, recorded investment	248,000
Commercial | Acquired
Troubled debt restructurings:
Number of loans	1
Recorded Investment, At modification	13,000
Recorded Investment, At end of period	13,000
Specific Allowance for Loan and Lease Losses	0
Nonaccrual Loans and Leases/Recorded Investment	13,000
Defaulted, number of loans/leases	2
Defaulted, recorded investment	406,000
Equipment financing | Originated
Troubled debt restructurings:
Number of loans	1	1
Recorded Investment, At modification	112,000	384,000
Recorded Investment, At end of period	112,000	382,000
Specific Allowance for Loan and Lease Losses	0	0
Nonaccrual Loans and Leases/Recorded Investment	0	382,000
Defaulted, number of loans/leases	1	2
Defaulted, recorded investment	491,000	266,000
Residential mortgage | Originated
Troubled debt restructurings:
Number of loans		1
Recorded Investment, At modification		498,000
Recorded Investment, At end of period		498,000
Specific Allowance for Loan and Lease Losses		0
Nonaccrual Loans and Leases/Recorded Investment		498,000
Defaulted, number of loans/leases		0
Defaulted, recorded investment		0
Residential mortgage | Acquired
Troubled debt restructurings:
Number of loans	1
Recorded Investment, At modification	140,000
Recorded Investment, At end of period	140,000
Specific Allowance for Loan and Lease Losses	12,000
Nonaccrual Loans and Leases/Recorded Investment	0
Defaulted, number of loans/leases	0
Defaulted, recorded investment	$ 0

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Loans and Leases (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans	$ 4,073,490,000		$ 4,231,953,000
Originated, Weighted Average Coupon (as a percent)	4.41%		4.43%
Acquired loans	561,104,000		590,654,000
Acquired, Weighted Average Coupon (as a percent)	4.18%		4.19%
Total	4,634,594,000		4,822,607,000
Total, Weighted Average Coupon (as a percent)	4.39%		4.40%
Percentage of loans to aggregate outstanding amount in the greater New York/New Jersey metropolitan area	35.50%		35.90%
Percentage of loans to aggregate outstanding amount in Other areas of the United States	64.50%		64.10%
Proceeds from sale of loan portfolio	273,446,000	14,449,000
Loss on sale of loans	(869,000)	(602,000)
Commercial real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans	2,193,873,000		2,147,909,000
Originated, Weighted Average Coupon (as a percent)	4.12%		4.13%
Acquired loans	307,014,000		319,892,000
Acquired, Weighted Average Coupon (as a percent)	4.30%		4.34%
Total	2,500,887,000		2,467,801,000
Total, Weighted Average Coupon (as a percent)	4.14%		4.16%
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans	1,471,054,000		1,425,621,000
Originated, Weighted Average Coupon (as a percent)	4.16%		4.18%
Acquired loans	243,086,000		254,461,000
Acquired, Weighted Average Coupon (as a percent)	4.24%		4.29%
Total	1,714,140,000		1,680,082,000
Total, Weighted Average Coupon (as a percent)	4.17%		4.20%
Multi-family mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans	590,590,000		576,214,000
Originated, Weighted Average Coupon (as a percent)	4.10%		4.11%
Acquired loans	61,910,000		63,492,000
Acquired, Weighted Average Coupon (as a percent)	4.48%		4.50%
Total	652,500,000		639,706,000
Total, Weighted Average Coupon (as a percent)	4.13%		4.15%
Construction loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans	132,229,000		146,074,000
Originated, Weighted Average Coupon (as a percent)	3.71%		3.79%
Acquired loans	2,018,000		1,939,000
Acquired, Weighted Average Coupon (as a percent)	5.42%		5.50%
Total	134,247,000		148,013,000
Total, Weighted Average Coupon (as a percent)	3.73%		3.81%
Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans	1,170,127,000		1,101,819,000
Originated, Weighted Average Coupon (as a percent)	5.44%		5.53%
Acquired loans	57,225,000		65,275,000
Acquired, Weighted Average Coupon (as a percent)	4.72%		4.58%
Total	1,227,352,000		1,167,094,000
Total, Weighted Average Coupon (as a percent)	5.41%		5.48%
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans	515,375,000		462,730,000
Originated, Weighted Average Coupon (as a percent)	3.85%		3.88%
Acquired loans	44,969,000		51,347,000
Acquired, Weighted Average Coupon (as a percent)	4.33%		4.14%
Total	560,344,000		514,077,000
Total, Weighted Average Coupon (as a percent)	3.89%		3.91%
Equipment financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans	602,045,000		587,496,000
Originated, Weighted Average Coupon (as a percent)	6.88%		6.92%
Acquired loans	12,256,000		13,928,000
Acquired, Weighted Average Coupon (as a percent)	6.14%		6.22%
Total	614,301,000		601,424,000
Total, Weighted Average Coupon (as a percent)	6.87%		6.90%
Condominium association
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans	52,707,000		51,593,000
Originated, Weighted Average Coupon (as a percent)	4.59%		4.60%
Acquired loans	0		0
Acquired, Weighted Average Coupon (as a percent)	0.00%		0.00%
Total	52,707,000		51,593,000
Total, Weighted Average Coupon (as a percent)	4.59%		4.60%
Indirect automobile
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans	23,335,000		316,987,000
Originated, Weighted Average Coupon (as a percent)	5.69%		4.47%
Acquired loans	0		0
Acquired, Weighted Average Coupon (as a percent)	0.00%		0.00%
Total	23,335,000		316,987,000
Total, Weighted Average Coupon (as a percent)	5.69%		4.47%
Percent of loan portfolio sold, over 90%	90.00%
Proceeds from sale of loan portfolio	255,200,000
Loss on sale of loans	11,800
Consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans	686,155,000		665,238,000
Originated, Weighted Average Coupon (as a percent)	3.55%		3.56%
Acquired loans	196,865,000		205,487,000
Acquired, Weighted Average Coupon (as a percent)	3.84%		3.82%
Total	883,020,000		870,725,000
Total, Weighted Average Coupon (as a percent)	3.62%		3.62%
Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans	482,774,000		472,078,000
Originated, Weighted Average Coupon (as a percent)	3.59%		3.60%
Acquired loans	96,220,000		99,842,000
Acquired, Weighted Average Coupon (as a percent)	3.81%		3.77%
Total	578,994,000		571,920,000
Total, Weighted Average Coupon (as a percent)	3.63%		3.63%
Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans	191,715,000		181,580,000
Originated, Weighted Average Coupon (as a percent)	3.35%		3.35%
Acquired loans	100,483,000		105,478,000
Acquired, Weighted Average Coupon (as a percent)	3.85%		3.85%
Total	292,198,000		287,058,000
Total, Weighted Average Coupon (as a percent)	3.53%		3.53%
Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans	11,666,000		11,580,000
Originated, Weighted Average Coupon (as a percent)	4.95%		5.13%
Acquired loans	162,000		167,000
Acquired, Weighted Average Coupon (as a percent)	16.61%		16.35%
Total	$ 11,828,000		$ 11,747,000
Total, Weighted Average Coupon (as a percent)	5.11%		5.29%

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Unaudited Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income before noncontrolling interest in subsidiary	$ 12,305	[1]	$ 10,964	[1]
Investment securities available-for-sale:
Unrealized securities holding gains	5,371		3,293
Income tax expense	(2,002)		(1,262)
Net unrealized securities holding gains	3,369		2,031
Postretirement benefits:
Adjustment of accumulated obligation for postretirement benefits	0		(85)
Income tax benefit	0		33
Net adjustment of accumulated obligation for postretirement benefits	0		(52)
Other comprehensive income, net of taxes	3,369	[1]	1,979	[1]
Comprehensive income	15,674	[1]	12,943	[1]
Net income attributable to noncontrolling interest in subsidiary	602		422
Comprehensive income attributable to Brookline Bancorp, Inc.	$ 15,072	[1]	$ 12,521	[1]

[1] Previously reported amounts have been restated to reflect a retrospective change in accounting principle for investments in qualified affordable housing projects, in accordance with ASU 2014-01. Refer to Note 8, "Investments in Qualified Affordable Projects".

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Recent Accounting Pronouncements

3 Months Ended

Mar. 31, 2015

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Recent Accounting Pronouncements

Recent Accounting Pronouncements

During the quarter ended March 31, 2015, the Financial Accounting Standards Board (“FASB”) issued no new Accounting Standards Updates ("ASUs") that were applicable to the Company. Refer to page F-20 of the Company's Annual Report on Form 10-K for the year ended December 31, 2014 for applicable ASUs issued in 2014.

The Company adopted ASU 2014-01, Accounting for Investments in Qualified Affordable Housing Projects, which required retrospective application. Refer to Note 8, "Investments in Qualified Affordable Projects" for the impact the adoption had on the Company's financial statements.

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Derivatives and Hedging Activities (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Asset Derivatives
Gross Amounts of Recognized Assets	$ 3,642	$ 2,676
Net Amounts Of Assets Presented in the Statement of Financial Position	3,642	2,676
Net Amount	3,642	2,676
Liability Derivatives
Gross Amounts of Recognized Liabilities	3,771	2,714
Net Amounts Of Liabilities Presented in the Statement of Financial Position	3,771	2,714
Gross Amounts Not Offset in the Statement of Financial Position
Cash Collateral Received	7,849	5,353
Net Amount	$ 11,620	$ 8,067

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Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of composition of goodwill and other intangible assets

The following table sets forth the carrying value of goodwill and other intangible assets at the dates indicated:

	At March 31, 2015		At December 31, 2014
	(In Thousands)
Goodwill	$	137,890	$	137,890
Other intangible assets:
Core deposits	11,717		12,455
Trade name	1,089		1,089
Total other intangible assets	12,806		13,544
Total goodwill and other intangible assets	$	150,696	$	151,434

Schedule of estimated aggregate future amortization expense for intangible assets

The estimated aggregate future amortization expense (in thousands) for intangible assets with a finite life remaining at March 31, 2015 is as follows:

Remainder of 2015	$	2,173
Year ending:
2016	2,500
2017	2,089
2018	1,669
2019	1,295
Thereafter	1,991
Total	$	11,717

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Investment Securities (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Investments, Debt and Equity Securities [Abstract]
Amortized Cost	$ 500	$ 500
Investment securities held-to-maturity	$ 500	$ 500
Interest rate payable	1.30%

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Earnings per Share

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Earnings per Share

Earnings per Share

The following table sets forth a reconciliation of basic and diluted earnings per share (“EPS”) for the periods indicated:

	Three Months Ended
	March 31, 2015				March 31, 2014
	Basic		Fully Diluted		Basic		Fully Diluted
	(In Thousands Except Share Data)
Numerator:
Net income	$	11,703	$	11,703	$	10,542	$	10,542
Denominator:
Weighted average shares outstanding	70,036,090		70,036,090		69,875,473		69,875,473
Effect of dilutive securities	—		128,015		—		108,526
Adjusted weighted average shares outstanding	70,036,090		70,164,105		69,875,473		69,983,999
EPS	$	0.17	$	0.17	$	0.15	$	0.15