XML 40 R29.htm IDEA: XBRL DOCUMENT v3.21.1

Mortgage Servicing Rights (Tables)

3 Months Ended

Mar. 31, 2021

Mortgage Servicing Rights [Abstract]

Schedule of mortgage servicing rights capitalized and related amortization, along with activity in the related valuation allowance

($ in thousands)		2021				2020
Carrying amount, January 1		$	7,759			$	11,017
Mortgage servicing rights capitalized during the year			1,212				766
Mortgage servicing rights amortization during the year			(1,187	)			(597	)
Net change in valuation allowance			2,706				(2,212	)
Carrying amount, March 31		$	10,490			$	8,974
Valuation allowance:
January 1		$	4,892			$	1,306
Increase (decrease)			(2,706	)			2,212
March 31		$	2,186			$	3,518

X

- References

No definition available.

+ Details

Name:	sbfg_MortgageServicingRightsAbstract
Namespace Prefix:	sbfg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of activity in the balance of servicing assets subsequently measured at amortized cost. Includes, but is not limited to, beginning and ending balances, additions, disposals, and amortization.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746

+ Details

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