Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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-Publisher FASB
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Stock Options and Stock-Based Compensation - Summary of Restricted Stock Granted (Details) - Restricted Stock - shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
2010 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares	76,597
Remaining Term (In Years)	1 year 3 months 18 days
2010 Plan \| 2016 \| Five Years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term (In Years)					5 years
Shares					10,874
Remaining Term (In Years)					1 month 6 days
2010 Plan \| 2017 \| Five Years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term (In Years)				5 years
Shares				7,017
Remaining Term (In Years)				1 year 1 month 6 days
2010 Plan \| 2018 \| Five Years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term (In Years)			5 years
Shares			6,184
Remaining Term (In Years)			2 years
2010 Plan \| 2018 \| Three Years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term (In Years)			3 years
Shares			5,371
Remaining Term (In Years)			1 month 6 days
2010 Plan \| 2018 \| Four Years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term (In Years)			4 years
Shares			2,068
Remaining Term (In Years)			1 year
2010 Plan \| 2019 \| Three Years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term (In Years)		3 years
Shares		16,254
Remaining Term (In Years)		1 year 1 month 6 days
2010 Plan \| 2019 \| Two Years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term (In Years)		2 years
Shares		1,484
Remaining Term (In Years)		1 month 6 days
2020 Plan \| Year Awarded 2020 [Member] \| Three Years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term (In Years)	3 years
Shares	20,842
Remaining Term (In Years)	2 years 1 month 6 days
2020 Plan \| Year Awarded 2020 [Member] \| Two Years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term (In Years)	2 years
Shares	694
Remaining Term (In Years)	1 year 1 month 6 days
2020 Plan \| Year Awarded 2020 [Member] \| One Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Term (In Years)	1 year
Shares	5,809
Remaining Term (In Years)	3 months 18 days