Leases - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Jan. 01, 2019
Lessee Lease Description [Line Items]
Operating lease right-of-use asset	$ 6,861,099
Operating lease liability	$ 6,868,045
Remaining term of lease	5 years 7 months 28 days
Weighted-average incremental borrowing rate	4.05%
Operating lease cost	$ 3,700,000	$ 4,700,000
Electrical construction operation's equipment
Lessee Lease Description [Line Items]
Remaining term of lease	7 years
leases with residual value guarantees	$ 0
ASU 2016-02
Lessee Lease Description [Line Items]
Operating lease right-of-use asset			$ 4,300,000
Operating lease liability			$ 4,300,000