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Securities - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Loans and Leases Receivable Disclosure [Line Items]
Proceeds from sales of securities available-for-sale	$ 17,000,000	$ 25,000,000	$ 16,515,000	$ 24,563,000
Realized gains	34,000	0		0
Realized losses		0	1,000	0
Proceeds from available-for-sale securities redeemed	5,000,000		10,000,000
Called debt security, realized loss		$ 1,000		$ 1,000
Collateral Pledged [Member]
Loans and Leases Receivable Disclosure [Line Items]
Restricted securities	$ 102,000,000		$ 102,000,000		$ 103,700,000

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Calls Of Debt Securities, Available-For-Sale, Realized Loss

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Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27357-111563

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-Publisher FASB
-Name Accounting Standards Codification
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