Commitments and Contingencies Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]

Broadview Project Commitments

As part of the Broadview Project acquisition the Company became party to various agreements and future commitments. The following table summarizes estimates of future commitments related to the various agreements entered into as part of the Broadview Project acquisition (in thousands) as of June 30, 2017:

	Remainder of 2017		2018		2019		2020		2021		Thereafter		Total
Transmission service agreements(1)	$	13,445	$	23,600	$	23,600	$	23,600	$	23,600	$	543,246	$	651,091
Payments in lieu of taxes	241		481		476		412		406		9,635		11,651
Operating leases	109		1,446		1,897		1,897		1,897		56,372		63,618
Service and maintenance agreements	3,474		6,955		1,741		—		—		—		12,170
Other	264		549		560		341		270		—		1,984
Total commitments	$	17,533	$	33,031	$	28,274	$	26,250	$	26,173	$	609,253	$	740,514