Unaudited Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Interest and dividend income:
Loans and leases	$ 57,858	$ 52,725	$ 167,474	$ 157,790
Debt securities	2,822	2,866	8,829	8,480
Marketable and restricted equity securities	804	1,079	2,213	2,094
Short-term investments	47	17	149	98
Total interest and dividend income	61,531	56,687	178,665	168,462
Interest expense:
Deposits	5,112	4,326	14,875	12,926
Borrowed funds	4,069	3,774	11,980	11,249
Total interest expense	9,181	8,100	26,855	24,175
Net interest income	52,350	48,587	151,810	144,287
Provision for credit losses	2,215	1,755	7,138	5,931
Net interest income after provision for credit losses	50,135	46,832	144,672	138,356
Non-interest income:
Deposit fees	2,289	2,261	6,650	6,522
Loan fees	330	205	977	818
Loan level derivative income, net	858	900	3,697	1,841
Gain on sales of loans and leases	588	446	1,986	1,594
Other	1,264	972	3,893	3,346
Total non-interest income	5,329	4,784	17,203	14,121
Non-interest expense:
Compensation and employee benefits	20,369	17,875	58,179	52,484
Occupancy	3,411	3,535	10,328	10,444
Equipment and data processing	3,826	3,600	11,468	11,300
Professional services	997	984	2,925	3,241
FDIC insurance	956	929	2,677	2,627
Advertising and marketing	844	878	2,558	2,449
Amortization of identified intangible assets	623	725	1,879	2,187
Other	2,362	2,744	7,707	8,316
Total non-interest expense	33,388	31,270	97,721	93,048
Income before provision for income taxes	22,076	20,346	64,154	59,429
Provision for income taxes	7,804	6,897	22,868	21,116
Net income before noncontrolling interest in subsidiary	14,272	13,449	41,286	38,313
Less net income attributable to noncontrolling interest in subsidiary	655	561	2,203	1,857	[1]
Net income attributable to Brookline Bancorp, Inc.	$ 13,617	$ 12,888	$ 39,083	$ 36,456
Earnings per common share:
Basic (in dollars per share)	$ 0.19	$ 0.18	$ 0.56	$ 0.52
Diluted (in dollars per share)	$ 0.19	$ 0.18	$ 0.56	$ 0.52
Weighted average common shares outstanding during the period:
Basic (in shares)	70,299,722	70,129,056	70,228,127	70,071,999
Diluted (in shares)	70,450,760	70,240,020	70,394,465	70,207,983
Dividends declared per common share (in dollars per share)	$ 0.09	$ 0.090	$ 0.27	$ 0.265

[1] Previously reported amounts prior to January 1, 2015 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".