XML 53 R40.htm IDEA: XBRL DOCUMENT v3.19.1

Minimum Regulatory Capital Requirements (Tables)

12 Months Ended

Dec. 31, 2018

Banking and Thrift [Abstract]

Summary of compliance with regulatory capital requirements

Our actual capital amounts and ratios are also presented in the table.

	Actual							Minimum Capital Requirement							Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount				Ratio			Amount				Ratio			Amount				Ratio
December 31, 2018
Common equity Tier 1 capital to risk weighted assets
Isabella Bank	$	143,429			11.75	%		$	48,832			6.375	%		$	73,248			6.50	%
Consolidated	154,705				12.58	%		49,212				6.375	%		N/A				N/A
Tier 1 capital to risk weighted assets
Isabella Bank	143,429				11.75	%		48,832				7.875	%		73,248				8.00	%
Consolidated	154,705				12.58	%		49,212				7.875	%		N/A				N/A
Total capital to risk weighted assets
Isabella Bank	151,804				12.43	%		97,664				9.875	%		122,080				10.00	%
Consolidated	163,080				13.26	%		98,423				9.875	%		N/A				N/A
Tier 1 capital to average assets
Isabella Bank	143,429				8.07	%		71,085				4.00	%		88,856				5.00	%
Consolidated	154,705				8.72	%		70,996				4.00	%		N/A				N/A

	Actual							Minimum Capital Requirement							Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount				Ratio			Amount				Ratio			Amount				Ratio
December 31, 2017
Common equity Tier 1 capital to risk weighted assets
Isabella Bank	$	139,897			11.56	%		$	48,404			5.750	%		$	72,605			6.50	%
Consolidated	149,013				12.23	%		48,744				5.750	%		N/A				N/A
Tier 1 capital to risk weighted assets
Isabella Bank	139,897				11.56	%		48,404				7.250	%		72,605				8.00	%
Consolidated	149,013				12.23	%		48,744				7.250	%		N/A				N/A
Total capital to risk weighted assets
Isabella Bank	147,597				12.20	%		96,807				9.250	%		121,009				10.00	%
Consolidated	156,713				12.86	%		97,488				9.250	%		N/A				N/A
Tier 1 capital to average assets
Isabella Bank	139,897				8.07	%		69,373				4.000	%		86,717				5.00	%
Consolidated	149,013				8.54	%		69,827				4.000	%		N/A				N/A

X

- References

No definition available.

+ Details

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

X

- Definition

Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1G
-URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958577-112826

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1H
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958570-112826

+ Details

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