The Company’s loan portfolio is comprised of three segments: residential real estate, commercial, and consumer and other loans. The loan segments are further disaggregated into the following classes: residential real estate, commercial real estate, other commercial, home equity and other consumer loans. The following table presents loans receivable for each portfolio class of loans:


(Dollars in thousands)	December 31, 2019		December 31, 2018
Residential real estate loans	$	926,388	887,742
Commercial loans
Real estate	5,579,307		4,657,561
Other commercial	2,094,254		1,911,171
Total	7,673,561		6,568,732
Consumer and other loans
Home equity	617,201		544,688
Other consumer	295,660		286,387
Total	912,861		831,075
Loans receivable	9,512,810		8,287,549
Allowance for loan and lease losses	(124,490)		(131,239)
Loans receivable, net	$	9,388,320	8,156,310
Net deferred origination (fees) costs included in loans receivable	$	(6,964)	(5,685)
Net purchase accounting (discounts) premiums included in loans receivable	$	(21,574)	(25,172)

At December 31, 2019, the Company had loans of $5,228,136,000 pledged as collateral for FHLB advances and FRB discount window. The Company is subject to regulatory limits for the amount of loans to any individual borrower and the Company is in compliance with this regulation as of December 31, 2019 and 2018. No borrower had outstanding loans or commitments exceeding 10 percent of the Company’s consolidated stockholders’ equity as of December 31, 2019.

Loans that are serviced for others are not reported as assets. The principal balances of these loans were $185,897,000 and $181,281,000 at December 31, 2019 and 2018, respectively. The fair value of servicing rights was insignificant at December 31, 2019 and 2018. There were no significant purchases or sales of portfolio loans during 2019, 2018 and 2017.

The Company has entered into transactions with its executive officers and directors and their affiliates. The aggregate amount of loans outstanding to such related parties at December 31, 2019 and 2018 was $57,825,000 and $59,528,000, respectively. During 2019, new loans to such related parties were $17,504,000 and repayments were $19,207,000. In management’s opinion, such loans were made in the ordinary course of business and were made on substantially the same terms as those prevailing at the time for comparable transaction with other persons.


	Year ended December 31, 2019
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
Balance at beginning of period	$	131,239	10,631	72,448	38,160	5,811	4,189
Provision for loan losses	57		(163)	(2,704)	(23)	(863)	3,810
Charge-offs	(15,178)		(608)	(2,460)	(4,189)	(90)	(7,831)
Recoveries	8,372		251	2,212	2,181	79	3,649
Balance at end of period	$	124,490	10,111	69,496	36,129	4,937	3,817


	Year ended December 31, 2018
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
Balance at beginning of period	$	129,568	10,798	68,515	39,303	6,204	4,748
Provision for loan losses	9,953		474	4,343	1,916	(471)	3,691
Charge-offs	(17,807)		(728)	(3,469)	(5,045)	(210)	(8,355)
Recoveries	9,525		87	3,059	1,986	288	4,105
Balance at end of period	$	131,239	10,631	72,448	38,160	5,811	4,189


	Year ended December 31, 2017
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
Balance at beginning of period	$	129,572	12,436	65,773	37,823	7,572	5,968
Provision for loan losses	10,824		(1,521)	7,152	2,545	(1,103)	3,751
Charge-offs	(19,331)		(199)	(6,188)	(2,856)	(489)	(9,599)
Recoveries	8,503		82	1,778	1,791	224	4,628
Balance at end of period	$	129,568	10,798	68,515	39,303	6,204	4,748


	December 31, 2019
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
Loans receivable
Individually evaluated for impairment	$	94,504	7,804	58,609	21,475	3,745	2,871
Collectively evaluated for impairment	9,418,306		918,584	5,520,698	2,072,779	613,456	292,789
Total loans receivable	$	9,512,810	926,388	5,579,307	2,094,254	617,201	295,660
ALLL
Individually evaluated for impairment	$	95	—	73	10	—	12
Collectively evaluated for impairment	124,395		10,111	69,423	36,119	4,937	3,805
Total ALLL	$	124,490	10,111	69,496	36,129	4,937	3,817


	December 31, 2018
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
Loans receivable
Individually evaluated for impairment	$	108,788	12,685	68,837	20,975	3,497	2,794
Collectively evaluated for impairment	8,178,761		875,057	4,588,724	1,890,196	541,191	283,593
Total loans receivable	$	8,287,549	887,742	4,657,561	1,911,171	544,688	286,387
ALLL
Individually evaluated for impairment	$	3,223	83	568	2,313	39	220
Collectively evaluated for impairment	128,016		10,548	71,880	35,847	5,772	3,969
Total ALLL	$	131,239	10,631	72,448	38,160	5,811	4,189

Substantially all of the Company’s loans receivable are with customers in the Company’s geographic market areas. Although the Company has a diversified loan portfolio, a substantial portion of its customers’ ability to honor their obligations is dependent upon the economic performance in the Company’s market areas.


	December 31, 2019
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
Accruing loans 30-59 days past due	$	15,944	3,403	4,946	4,685	1,040	1,870
Accruing loans 60-89 days past due	7,248		749	2,317	1,190	1,902	1,090
Accruing loans 90 days or more past due	1,412		753	64	143	—	452
Non-accrual loans	30,883		4,715	15,650	6,592	3,266	660
Total past due and non-accrual loans	55,487		9,620	22,977	12,610	6,208	4,072
Current loans receivable	9,457,323		916,768	5,556,330	2,081,644	610,993	291,588
Total loans receivable	$	9,512,810	926,388	5,579,307	2,094,254	617,201	295,660


	December 31, 2018
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
Accruing loans 30-59 days past due	$	24,312	5,251	9,477	4,282	3,213	2,089
Accruing loans 60-89 days past due	9,255		860	3,231	3,838	735	591
Accruing loans 90 days or more past due	2,018		788	—	492	428	310
Non-accrual loans	47,252		8,021	27,264	8,619	2,575	773
Total past due and non-accrual loans	82,837		14,920	39,972	17,231	6,951	3,763
Current loans receivable	8,204,712		872,822	4,617,589	1,893,940	537,737	282,624
Total loans receivable	$	8,287,549	887,742	4,657,561	1,911,171	544,688	286,387

Loans are designated impaired when, based upon current information and events, it is probable that the Company will be unable to collect the scheduled payments of principal or interest when due according to the contractual terms of the loan agreement and therefore, the Company has serious doubts as to the ability of such borrowers to fulfill the contractual obligation. The following tables disclose information related to impaired loans by loan class:


	At or for the Year ended December 31, 2019
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
Loans with a specific valuation allowance
Recorded balance	$	5,388	—	5,343	10	—	35
Unpaid principal balance	5,388		—	5,343	10	—	35
Specific valuation allowance	95		—	73	10	—	12
Average balance	10,378		409	6,341	3,490	24	114
Loans without a specific valuation allowance
Recorded balance	89,116		7,804	53,266	21,465	3,745	2,836
Unpaid principal balance	99,355		9,220	57,735	24,758	4,494	3,148
Average balance	93,338		9,879	59,107	18,079	3,486	2,787
Total
Recorded balance	94,504		7,804	58,609	21,475	3,745	2,871
Unpaid principal balance	104,743		9,220	63,078	24,768	4,494	3,183
Specific valuation allowance	95		—	73	10	—	12
Average balance	103,716		10,288	65,448	21,569	3,510	2,901


	At or for the Year ended December 31, 2018
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
Loans with a specific valuation allowance
Recorded balance	$	19,197	1,957	9,345	7,268	120	507
Unpaid principal balance	19,491		2,220	9,345	7,268	120	538
Specific valuation allowance	3,223		83	568	2,313	39	220
Average balance	19,519		2,686	8,498	7,081	82	1,172
Loans without a specific valuation allowance
Recorded balance	89,591		10,728	59,492	13,707	3,377	2,287
Unpaid principal balance	107,486		11,989	71,300	17,689	3,986	2,522
Average balance	106,747		10,269	73,889	17,376	3,465	1,748
Total
Recorded balance	108,788		12,685	68,837	20,975	3,497	2,794
Unpaid principal balance	126,977		14,209	80,645	24,957	4,106	3,060
Specific valuation allowance	3,223		83	568	2,313	39	220
Average balance	126,266		12,955	82,387	24,457	3,547	2,920

A restructured loan is considered a troubled debt restructuring if the creditor, for economic or legal reasons related to the debtor’s financial difficulties, grants a concession to the debtor that it would not otherwise consider. The following tables present TDRs that occurred during the periods presented and the TDRs that occurred within the previous twelve months that subsequently defaulted during the periods presented:


	Year ended December 31, 2019
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
TDRs that occurred during the period
Number of loans	18		1	6	6	2	3
Pre-modification recorded balance	$	18,508	117	8,524	9,382	214	271
Post-modification recorded balance	$	18,476	123	8,524	9,364	214	251
TDRs that subsequently defaulted
Number of loans	1		—	1	—	—	—
Recorded balance	$	106	—	106	—	—	—


	Year ended December 31, 2018
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
TDRs that occurred during the period
Number of loans	25		4	8	10	2	1
Pre-modification recorded balance	$	21,995	724	12,901	7,813	252	305
Post-modification recorded balance	$	21,881	724	12,787	7,813	252	305
TDRs that subsequently defaulted
Number of loans	1		1	—	—	—	—
Recorded balance	$	47	47	—	—	—	—


	Year ended December 31, 2017
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
TDRs that occurred during the period
Number of loans	32		5	13	11	2	1
Pre-modification recorded balance	$	41,521	841	31,109	9,403	158	10
Post-modification recorded balance	$	38,838	841	28,426	9,403	158	10
TDRs that subsequently defaulted
Number of loans	1		—	—	1	—	—
Recorded balance	$	18	—	—	18	—	—

The modifications for the loans designated as TDRs during the years ended December 31, 2019, 2018 and 2017 included one or a combination of the following: an extension of the maturity date, a reduction of the interest rate or a reduction in the principal amount.