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Regulatory Capital Requirements (Tables)

12 Months Ended

Dec. 31, 2017

Regulatory Capital Requirements [Abstract]

Summary of Bank's Actual Capital Amounts and Ratios

The Company’s and the Bank’s actual capital amounts and ratios as of December 31, 2017 and 2016 are also presented.

		Actual								Minimum Capital Required								Required to be Considered Well Capitalized
2017		Amount				Ratio				Amount				Ratio				Amount				Ratio
Total capital to risk weighted assets:
Company		$	410,831				15.98	%		$	205,661				8.00	%		N/A				N/A
Bank			367,972				14.28	%			206,083				8.00	%			257,604				10.00	%
Tier 1 capital to risk weighted assets:
Company		$	392,520				15.27	%		$	154,246				6.00	%		N/A				N/A
Bank			349,662				13.57	%			154,562				6.00	%			206,083				8.00	%
Common Equity Tier 1 (CET1) to risk weighted    assets:
Company		$	353,995				13.77	%		$	115,684				4.50	%		N/A				N/A
Bank			349,662				13.57	%			115,922				4.50	%			167,442				6.50	%
Tier 1 capital to average assets:						.
Company		$	392,520				12.25	%		$	128,178				4.00	%		N/A				N/A
Bank			349,662				10.89	%			128,409				4.00	%			160,511				5.00	%

		Actual								Minimum Capital Required								Required to be Considered Well Capitalized
2016		Amount				Ratio				Amount				Ratio				Amount				Ratio
Total capital to risk weighted assets:
Company		$	316,314				13.28	%		$	190,257				8.00	%		N/A				N/A
Bank			325,465				13.61	%			191,267				8.00	%			239,084				10.00	%
Tier 1 capital to risk weighted assets:
Company		$	304,324				12.78	%		$	142,895				6.00	%		N/A				N/A
Bank			313,474				13.11	%			143,450				6.00	%			191,267				8.00	%
Common Equity Tier 1 (CET1) to risk weighted    assets:
Company		$	266,760				11.20	%		$	107,171				4.50	%		N/A				N/A
Bank			313,474				13.11	%			107,588				4.50	%			155,404				6.50	%
Tier 1 capital to average assets:
Company		$	304,324				10.07	%		$	120,850				4.00	%		N/A				N/A
Bank			313,474				10.35	%			121,169				4.00	%			151,461				5.00	%

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- References

No definition available.

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- 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://www.xbrl.org/2003/role/presentationRef
-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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-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 3: http://www.xbrl.org/2003/role/presentationRef
-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 4: http://www.xbrl.org/2003/role/presentationRef
-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

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