Note 6 - Goodwill and Intangibles (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Changes in carrying amount of goodwill

	2020		2019		2018
	(dollars in thousands)
Balance at the beginning of period	$	74,748	$	77,832	$	28,334
Merger with Springfield Bancshares		—		—		45,975
Acquisition of Bates Companies		—		—		3,766
Acquisition of Guaranty Bank - measurement period adjustment		—		—		(243)
Acquisition of Bates Companies - measurement period adjustment		—		(84)		—
Sale of Bates Companies		(182)		—		—
Goodwill impairment - Bates Companies		(500)		(3,000)		—
Balance at the end of period	$	74,066	$	74,748	$	77,832

Schedule of goodwill by reportable segment

	December 31, 2020		December 31, 2019		December 31, 2018
	(dollars in thousands)
Commercial banking:
QCBT	$	3,223	$	3,223	$	3,223
CRBT		14,980		14,980		14,980
CSB		9,888		9,888		9,888
SFCB		45,975		45,975		45,975
Other, Parent Company Only		—		682		3,766
	$	74,066	$	74,748	$	77,832

Schedule of core deposit intangibles by reportable segment

	December 31, 2020		December 31, 2019		December 31, 2018
	(dollars in thousands)
Commercial Banking:
CRBT	$	2,189	$	2,684	$	3,186
CSB		3,305		3,980		4,675
SFCB		5,887		6,802		7,734
	$	11,381	$	13,466	$	15,595

Core Deposits [Member]

Notes Tables

Changes in Intangibles

	2020		2019		2018
	(dollars in thousands)
Balance at the beginning of the period	$	13,466	$	15,595	$	9,079
Merger with Springfield Bancshares		—		—		8,208
Amortization expense		(2,085)		(2,129)		(1,692)
Balance at the end of the period	$	11,381	$	13,466	$	15,595
Gross carrying amount	$	19,255	$	19,255	$	19,255
Accumulated amortization		(7,874)		(5,789)		(3,660)
Net book value	$	11,381	$	13,466	$	15,595

Estimated amortization of intangible assets

	Amount
Years ending December 31,	(dollars in thousands)
2021	$	2,032
2022		1,971
2023		1,776
2024		1,623
2025		1,535
Thereafter		2,444
	$	11,381

Customer Lists [Member]

Notes Tables

Changes in Intangibles

	2020		2019
	(dollars in thousands)
Balance at the beginning of period	$	1,504	$	1,855
Acquisition of Bates Companies - measurement period adjustment		—		(214)
Sale of Bates Companies		(1,440)		—
Amortization		(64)		(137)
Balance at the end of period		—		1,504