LOANS, NET

The Company’s loan portfolio consists of New and Acquired loans. The Company classifies originated loans and purchased loans not acquired through business combinations as New loans. The Company classifies loans acquired through business combinations as Acquired loans. Loans acquired with deteriorated credit quality since origination are accounted for under ASC 310-30, unless specifically excluded from the scope of ASC 310-30. The remaining portfolio of Acquired loans and those loans excluded from the scope of ASC 310-30 are accounted for under ASC 310-20 and are classified as Non-ASC 310-30 loans.

The following tables summarize the Company’s loans by portfolio and segment as of the periods presented, net of deferred fees, costs, premiums and discounts:



March 31, 2018	ASC 310-30 Loans		Non-ASC 310-30 Loans		New Loans (1)		Total
	(Dollars in thousands)
Real estate loans:
Commercial real estate	$	138,853	$	111,294	$	2,168,606	$	2,418,753
Owner-occupied commercial real estate	—		82,534		1,074,076		1,156,610
1-4 single family residential	35,264		164,188		2,232,791		2,432,243
Construction, land and development	31,188		32,413		732,551		796,152
Home equity loans and lines of credit	202		42,435		61,856		104,493
Total real estate loans	205,507		432,864		6,269,880		6,908,251
Other loans:
Commercial and industrial	22,434		47,760		1,701,651		1,771,845
Consumer	1,373		18,203		4,720		24,296
Total other loans	23,807		65,963		1,706,371		1,796,141
Total loans held in portfolio	$	229,314	$	498,827	$	7,976,251	$	8,704,392
Allowance for loan losses							(49,213		)
Loans held in portfolio, net							$	8,655,179



December 31, 2017	ASC 310-30 Loans		Non-ASC 310-30 Loans		New Loans (1)		Total
	(Dollars in thousands)
Real estate loans:
Commercial real estate	$	104,335	$	37,736	$	2,103,788	$	2,245,859
Owner-occupied commercial real estate	—		16,100		987,781		1,003,881
1-4 single family residential	27,513		57,695		2,185,362		2,270,570
Construction, land and development	13,167		5,889		684,462		703,518
Home equity loans and lines of credit	—		34,589		59,636		94,225
Total real estate loans	145,015		152,009		6,021,029		6,318,053
Other loans:
Commercial and industrial	12,631		5,062		1,634,372		1,652,065
Consumer	1,423		259		5,984		7,666
Total other loans	14,054		5,321		1,640,356		1,659,731
Total loans held in portfolio	$	159,069	$	157,330	$	7,661,385	$	7,977,784
Allowance for loan losses							(47,145		)
Loans held in portfolio, net							$	7,930,639


(1)	Balance includes $(7.3) million and $(6.6) million of net deferred fees, costs, and premium and discount as of March 31, 2018 and December 31, 2017, respectively.

At March 31, 2018 and December 31, 2017, the unpaid principal balances of ASC 310-30 loans were $293.6 million and $183.9 million, respectively. At March 31, 2018 and December 31, 2017, the Company had pledged loans as collateral for FHLB advances of $3.38 billion and $3.36 billion, respectively. The recorded investment of consumer mortgage loans, secured by 1-4 family residential real estate properties, for which formal foreclosure proceedings are in process as of March 31, 2018 totaled $2.6 million. The Company held $295.7 million and $289.1 million of syndicated national loans as of March 31, 2018 and December 31, 2017, respectively.

During the three months ended March 31, 2018, the Company purchased approximately $1.1 million of loans from third parties. During the three months ended March 31, 2017, the Company purchased no loans from third parties.

During the three months ended March 31, 2018 and 2017, the Company sold approximately $18.3 million and $120.2 million of portfolio loans to third parties, respectively.

The accretable discount on ASC 310-30 loans represents the amount by which the undiscounted expected cash flows on such loans exceed their carrying value. The change in expected cash flows for certain ASC 310-30 loan pools resulted in the reclassification of $109 thousand and $(5.3) million between non-accretable and accretable discount during the three months ended March 31, 2018 and 2017, respectively.

Changes in accretable discount for ASC 310-30 loans for the three months ended March 31, 2018 and 2017, were as follows:



	Three Months Ended March 31,
	2018			2017
	(Dollars in thousands)
Balance at January 1,	$	41,162		$	60,990
Additions to accretable discount from FLCB acquisition	14,393			—
Accretion	(3,505		)	(3,832		)
Reclassifications from (to) non-accretable difference	109			(5,267		)
Balance at March 31,	$	52,159		$	51,891