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Securities - Schedule of Required Fair Value Disclosures for Equity Securities (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward]
Fair value at beginning of period	$ 1,839	$ 1,793	$ 1,793
Unrealized Gains	162	22	247
Unrealized Losses	0	48	201
Fair value at end of period	2,001	1,767	1,839
CRA Mutual Fund
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward]
Fair value at beginning of period	1,012	1,044	1,044
Unrealized Gains	30	0	0
Unrealized Losses	0	32	32
Fair value at end of period	1,042	1,012	1,012
Stock in other banks
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward]
Fair value at beginning of period	827	749	749
Unrealized Gains	132	22	247
Unrealized Losses	0	16	169
Fair value at end of period	$ 959	$ 755	$ 827

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- Definition

Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward]

+ References

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740

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- Definition

Amount of unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=116654751&loc=SL75117546-209714

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Amount of unrealized loss on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=116654751&loc=SL75117546-209714

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