Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Supplemental balance sheet information related to leases

Supplemental balance sheet information related to leases was as follows:

	Three Months Ended March 31
	2019
Operating leases
Other assets	$	14,128
Accrued expenses and other liabilities	$	1,261
Regulatory liabilities and other	12,851
Total operating lease liabilities	$	14,112
Finance leases
Utility plant	$	19,034
Accumulated depreciation and amortization	(9,573		)
Net utility plant	$	9,461
Current maturities of long-term debt, net	$	639
Long-term debt, net	6,010
Total finance lease liabilities	$	6,649
Weighted average remaining lease term
Operating leases	160 months
Finance leases	82 months
Weighted average discount rate
Operating leases	3.7		%
Finance leases	5.6		%

Components of lease expense

The components of lease expense were as follows:

	Three Months Ended March 31
	2019
Operating lease cost	$	421
Finance lease cost:
Amortization of right-of-use assets	$	313
Interest on lease liabilities	90
Total finance lease cost	$	403
Short-term lease cost	$	73
Variable lease cost	66
Total lease cost	$	963

Supplemental cash flow information related to leases

Supplemental cash flow information related to leases was as follows:

	Three Months Ended March 31
	2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	338
Operating cash flows from finance leases	90
Financing cash flows from finance leases	171
Non-cash activities: right-of-use assets obtained in exchange for lease obligations:
Operating leases	582
Finance leases	672

Maturities of lease liabilities

Maturities of lease payments to be received are as follows:

Year Ending December 31,	Operating Leases
2019	$	3,032
2020	2,482
2021	1,809
2022	1,013
2023	534
Thereafter	828

Maturities of lease liabilities are as follows:

Year Ending December 31,	Operating Leases			Finance Leases
2019 (a)	$	1,304		$	1,139
2020	1,760			1,216
2021	1,538			1,217
2022	1,410			1,217
2023	1,319			1,735
Thereafter	10,764			3,217
Total lease payments	$	18,095		$	9,741
Less imputed interest	$	(3,983	)	$	(3,092	)
Total	$	14,112		$	6,649

(a) Excludes payments made for the first three months of 2019.

Maturities of lease liabilities

Maturities of lease liabilities are as follows:

Year Ending December 31,	Operating Leases			Finance Leases
2019 (a)	$	1,304		$	1,139
2020	1,760			1,216
2021	1,538			1,217
2022	1,410			1,217
2023	1,319			1,735
Thereafter	10,764			3,217
Total lease payments	$	18,095		$	9,741
Less imputed interest	$	(3,983	)	$	(3,092	)
Total	$	14,112		$	6,649

(a) Excludes payments made for the first three months of 2019.

Future minimum lease payments

As of December 31, 2018, minimum lease payments under non-cancelable operating leases by period were expected to be as follows:

2019	$	1,771
2020	1,709
2021	1,485
2022	1,355
2023	1,261
Thereafter	10,538
Total	$	18,119