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Repurchase Agreements - Schedule of Repurchase Agreements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Assets Sold under Agreements to Repurchase [Line Items]
Average daily balance during the year	$ 12,388	$ 12,819
Average interest rate during the year	0.87%	0.26%
Maximum month-end balance during the year	$ 15,246	$ 16,801
Weighted average interest rate at year-end	1.00%	0.70%
Assets sold under agreements to repurchase, carrying amount	$ 15,246	$ 13,509
Overnight and Continuous [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount	15,246	13,509
Up to 30 Days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount
30 - 90 Days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount
Greater Than 90 Days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount
US Federal Treasury Obligations [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount	416
US Federal Treasury Obligations [Member] | Overnight and Continuous [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount	416
US Federal Treasury Obligations [Member] | Up to 30 Days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount
US Federal Treasury Obligations [Member] | 30 - 90 Days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount
US Federal Treasury Obligations [Member] | Greater Than 90 Days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount
US Federal Agency Obligations [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount	5,626	5,147
US Federal Agency Obligations [Member] | Overnight and Continuous [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount	5,626	5,147
US Federal Agency Obligations [Member] | Up to 30 Days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount
US Federal Agency Obligations [Member] | 30 - 90 Days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount
US Federal Agency Obligations [Member] | Greater Than 90 Days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount
Agency Mortgage-backed Securities [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount	9,204	8,362
Agency Mortgage-backed Securities [Member] | Overnight and Continuous [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount	9,204	8,362
Agency Mortgage-backed Securities [Member] | Up to 30 Days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount
Agency Mortgage-backed Securities [Member] | 30 - 90 Days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount
Agency Mortgage-backed Securities [Member] | Greater Than 90 Days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets sold under agreements to repurchase, carrying amount

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- Definition

Amount represents average daily securities payable under securities issued repurchase agreement during the year.

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- Definition

Carrying amount of assets sold under agreements to repurchase when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under repurchase agreements exceeds 10 percent of total assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(m)(1)(i)(A)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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The average effective interest rate during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Weighted average interest rate of debt outstanding.

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