Years ended December 31, (in thousands)	2019			2018
Balance as of January 1	$	52,687		$	629
Effect of change in composition of directors and executive officers		—			51,415
Repayment of term loans		(184	)		—
Changes in balances of revolving lines of credit		(9,279	)		643
Balance as of December 31	$	43,224		$	52,687

Years ended December 31, (in thousands)	2019			2018

Balance, beginning of period	$	(69	)	$	(106	)
Transfers between non-accretable and accretable		—			—
Net accretion into interest income on loans, including loan fees		69			37
Balance, end of period	$	-		$	(69	)

(in thousands)	Loans								Allowance
December 31, 2019	Loans individually evaluated for impairment		Loans collectively evaluated for impairment		Loans acquired with deteriorated credit quality		Total loans		Loans individually evaluated for impairment		Loans collectively evaluated for impairment		Loans acquired with deteriorated credit quality		Total allowance

Commercial and industrial	$	8,223	$	862,288	$	—	$	870,511	$	1,150	$	11,672	$	—	$	12,822
Construction and development, excluding undeveloped land		—		213,822		—		213,822		—		1,319		—		1,319
Undeveloped land		—		46,360		—		46,360		—		786		—		786
Real estate mortgage		3,307		1,663,549		—		1,666,856		13		11,751		—		11,764
Consumer		—		47,467		—		47,467		—		100		—		100

Total	$	11,530	$	2,833,486	$	—	$	2,845,016	$	1,163	$	25,628	$	—	$	26,791

(in thousands)	Loans								Allowance
December 31, 2018	Loans individually evaluated for impairment		Loans collectively evaluated for impairment		Loans acquired with deteriorated credit quality		Total loans		Loans individually evaluated for impairment		Loans collectively evaluated for impairment		Loans acquired with deteriorated credit quality		Total allowance

Commercial and industrial	$	220	$	833,304	$	—	$	833,524	$	28	$	11,937	$	—	$	11,965
Construction and development, excluding undeveloped land		318		224,732		—		225,050		—		1,760		—		1,760
Undeveloped land		474		29,618		—		30,092		—		752		—		752
Real estate mortgage		1,641		1,409,806		—		1,411,447		14		10,667		—		10,681
Consumer		—		48,058		—		48,058		—		376		—		376

Total	$	2,653	$	2,545,518	$	—	$	2,548,171	$	42	$	25,492	$	—	$	25,534

							90 or More
							Days Past Due
(in thousands)			*30-59 Days*		*60-89 days*		*(includes all*		*Total*		*Total*
December 31, 2019	*Current*		*Past Due*		*Past Due*		*non-accrual)*		*Past Due*		*Loans*

Commercial and industrial	$	861,860	$	253	$	194	$	8,204	$	8,651	$	870,511
Construction and development, excluding undeveloped land		213,766		6		50		—		56		213,822
Undeveloped land		46,360		—		—		—		—		46,360

Real estate mortgage:
Commercial investment		735,387		94		—		1,137		1,231		736,618
Owner occupied commercial		470,951		467		86		2,279		2,832		473,783
1-4 family residential		332,718		1,368		33		239		1,640		334,358
Home equity - first lien		48,441		179		—		—		179		48,620
Home equity - junior lien		72,995		196		100		186		482		73,477
Subtotal: Real estate mortgage		1,660,492		2,304		219		3,841		6,364		1,666,856

Consumer		47,379		84		4		—		88		47,467

Total	$	2,829,857	$	2,647	$	467	$	12,045	$	15,159	$	2,845,016

							90 or More
							Days Past Due
(in thousands)			*30-59 Days*		*60-89 days*		*(includes all*		*Total*		*Total*
December 31, 2018	*Current*		*Past Due*		*Past Due*		*non-accrual)*		*Past Due*		*Loans*

Commercial and industrial	$	832,923	$	197	$	200	$	204	$	601	$	833,524
Construction and development, excluding undeveloped land		224,732		—		—		318		318		225,050
Undeveloped land		29,552		66		—		474		540		30,092

Real estate mortgage:
Commercial investment		586,884		1,382		107		237		1,726		588,610
Owner occupied commercial		421,143		2,732		1,377		1,121		5,230		426,373
1-4 family residential		274,547		374		336		760		1,470		276,017
Home equity - first lien		49,321		179		—		—		179		49,500
Home equity - junior lien		70,467		182		56		242		480		70,947
Subtotal: Real estate mortgage		1,402,362		4,849		1,876		2,360		9,085		1,411,447

Consumer		48,058		—		—		—		—		48,058

Total	$	2,537,627	$	5,112	$	2,076	$	3,356	$	10,544	$	2,548,171