XML 43 R32.htm IDEA: XBRL DOCUMENT v3.20.2

Note 4 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

Schedule of Available for Sale Securities, and Held to Maturity [Table Text Block]

						Gross				Gross
(dollars in thousands)		Amortized				Unrealized				Unrealized				Fair
September 30, 2020		Cost				Gains				Losses				Value
Available for sale
Government agency securities		$	1,258			$	30			$	—			$	1,288
SBA agency securities			4,262				253				—				4,515
Mortgage-backed securities- Government sponsored agencies			17,530				294				(6	)			17,818
Collateralized mortgage obligations			45,948				479				(91	)			46,336
Commercial paper			109,188				—				—				109,188
Corporate debt securities			33,412				560				(42	)			33,930
Municipal securities			1,623				—				(36	)			1,587
Total		$	213,221			$	1,616			$	(175	)		$	214,662
Held to maturity
Municipal taxable securities		$	2,797			$	156			$	—			$	2,953
Municipal securities			4,772				257				—				5,029
Total		$	7,569			$	413			$	—			$	7,982
December 31, 2019
Available for sale
Government agency securities		$	1,591			$	—			$	(19	)		$	1,572
SBA agency securities			4,671				42				(22	)			4,691
Mortgage-backed securities- Government sponsored agencies			19,126				74				(29	)			19,171
Collateralized mortgage obligations			11,641				38				(25	)			11,654
Corporate debt securities			88,700				281				—				88,981
Total		$	125,729			$	435			$	(95	)		$	126,069
Held to maturity
Municipal taxable securities		$	3,505			$	147			$	—			$	3,652
Municipal securities			4,827				153				—				4,980
Total		$	8,332			$	300			$	—			$	8,632

Investments Classified by Contractual Maturity Date [Table Text Block]

		Less than One Year						More than One Year to Five Years						More than Five Years to Ten Years						More than Ten Years						Total
		Amortized			Estimated			Amortized			Estimated			Amortized			Estimated			Amortized			Estimated			Amortized			Estimated
(dollars in thousands)		Cost			Fair Value			Cost			Fair Value			Cost			Fair Value			Cost			Fair Value			Cost			Fair Value
September 30, 2020
Government agency securities		$	—		$	—		$	1,258		$	1,288		$	—		$	—		$	—		$	—		$	1,258		$	1,288
SBA securities			—			—			596			629			3,666			3,886			—			—			4,262			4,515
Mortgage-backed securities- Government sponsored agencies			3,010			3,014			14,520			14,804			—			—			—			—			17,530			17,818
Collateralized mortgage obligations			—			—			13,895			14,274			32,053			32,062			—			—			45,948			46,336
Commercial paper			109,188			109,188			—			—			—			—			—			—			109,188			109,188
Corporate debt securities			2,001			2,031			14,668			14,742			12,743			13,159			4,000			3,998			33,412			33,930
Municipal securities			—			—			—			—			—			—			1,623			1,587			1,623			1,587
Total available for sale		$	114,199		$	114,233		$	44,937		$	45,737		$	48,462		$	49,107		$	5,623		$	5,585		$	213,221		$	214,662
Municipal taxable securities		$	979		$	998		$	1,818		$	1,955		$	—		$	—		$	—		$	—		$	2,797		$	2,953
Municipal securities			—			—			—			—			874			922			3,898			4,107			4,772			5,029
Total held to maturity		$	979		$	998		$	1,818		$	1,955		$	874		$	922		$	3,898		$	4,107		$	7,569		$	7,982
December 31, 2019
Government agency securities		$	—		$	—		$	1,591		$	1,572		$	—		$	—		$	—		$	—		$	1,591		$	1,572
SBA securities			—			—			714			725			3,957			3,966			—			—			4,671			4,691
Mortgage-backed securities- Government sponsored agencies			3,663			3,679			13,027			13,059			2,436			2,433			—			—			19,126			19,171
Collateralized mortgage obligations			—			—			9,288			9,265			2,353			2,389			—			—			11,641			11,654
Corporate debt securities			70,914			70,919			2,002			2,008			11,772			12,024			4,012			4,030			88,700			88,981
Total available for sale		$	74,577		$	74,598		$	26,622		$	26,629		$	20,518		$	20,812		$	4,012		$	4,030		$	125,729		$	126,069
Municipal taxable securities		$	285		$	289		$	2,716		$	2,784		$	504		$	579		$	—		$	—		$	3,505		$	3,652
Municipal securities			—			—			40			40			366			379			4,421			4,561			4,827			4,980
Total held to maturity		$	285		$	289		$	2,756		$	2,824		$	870		$	958		$	4,421		$	4,561		$	8,332		$	8,632

Schedule of Unrealized Loss on Investments [Table Text Block]

		Less than Twelve Months									Twelve Months or More									Total
		Unrealized			Estimated			No. of			Unrealized			Estimated			No. of			Unrealized			Estimated			No. of
(dollars in thousands)		Losses			Fair Value			Issuances			Losses			Fair Value			Issuances			Losses			Fair Value			Issuances
September 30, 2020
Mortgage-backed securities- Government sponsored agencies			(6	)		9,998			2			—			—			—			(6	)		9,998			2
Collateralized mortgage obligations			(91	)		29,260			6												(91	)		29,260			6
Corporate debt securities			(42	)		5,958			4			—			—			—			(42	)		5,958			4
Municipal securities			(36	)		1,587			3												(36	)		1,587			3
Total available for sale		$	(175	)	$	46,803			15		$	—		$	—			—		$	(175	)	$	46,803		$	15
Total held to maturity		$	—		$	—			—		$	—		$	—			—		$	—		$	—			—
December 31, 2019
Government agency securities		$	(19	)	$	1,572			2		$	—		$	—			—		$	(19	)	$	1,572			2
SBA securities			(22	)		1,469			2			—			—			—			(22	)		1,469			2
Mortgage-backed securities- Government sponsored agencies			(5	)		2,631			4			(24	)		3,912			6			(29	)		6,543			10
Collateralized mortgage obligations			(10	)		5,738			3			(15	)		953			2			(25	)		6,691			5
Total available for sale		$	(56	)	$	11,410			11		$	(39	)	$	4,865			8		$	(95	)	$	16,275			19
Total held to maturity		$	—		$	—			—		$	—		$	—			—		$	—		$	—			—

X

- Definition

Tabular disclosure of available-for-sale securities and held-to-maturity securities.

+ References

No definition available.

+ Details

Name:	rbb_ScheduleOfAvailableForSaleSecuritiesAndHeldToMaturityTableTextBlock
Namespace Prefix:	rbb_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.

+ References

No definition available.

+ Details

Name:	us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27290-111563

+ Details

Name:	us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration