Employee Benefits (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Defined Contribution Plan Disclosure [Line Items]
Maximum annual contribution per employee, percent	100.00%
Maximum annual contribution per employee	$ 19,000.0	$ 18,500
Cost recognized	368,700	358,200
Catchup Contribution Max
Defined Contribution Plan Disclosure [Line Items]
Maximum annual contribution per employee	$ 6,000.0	$ 6,000.0
Tranche one
Defined Contribution Plan Disclosure [Line Items]
Employer matching contribution, percent of match	100.00%
Percentage of participant contribution	3.00%
Tranche two
Defined Contribution Plan Disclosure [Line Items]
Employer matching contribution, percent of match	50.00%
Percentage of participant contribution	2.00%

Amount of cost for defined contribution plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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Maximum amount the employee may contribute to a defined contribution plan.

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Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

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