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Other Assets and Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Other Liabilities Disclosure [Abstract]

Prepaid expenses and other, classified as current assets, included the following:


(in thousands)	December 31, 2020		December 31, 2019
Prepaid maintenance expenses	$	4,018	$	3,065
Broadband contract acquisition and fulfillment costs	4,417		4,898
Interest rate swaps	—		1,382
Other	1,196		1,833
Prepaid expenses and other	$	9,631	$	11,178

Schedule of Other Assets, Noncurrent

Deferred charges and other assets, classified as long-term assets, included the following:


(in thousands)	December 31, 2020		December 31, 2019
Broadband contract acquisition and fulfillment costs	$	10,252	$	6,107
Prepaid expenses and other	1,398		1,908
Interest rate swaps	—		1,252
Deferred charges and other assets	$	11,650	$	9,267

Summary of Accrued Liabilities and Other

Accrued liabilities and other, classified as current liabilities, included the following:


(in thousands)	December 31, 2020		December 31, 2019
Interest rate swaps	$	4,048	$	—
Accrued programming costs	2,868		3,023
Sales and property taxes payable	1,072		919
Other current liabilities	5,881		3,614
Accrued liabilities and other	$	13,869	$	7,556

Other Noncurrent Liabilities

Other liabilities, classified as long-term liabilities, included the following:


(in thousands)	December 31, 2020		December 31, 2019
Noncurrent portion of deferred lease revenue	$	18,687	$	12,449
FCC spectrum license obligations	3,845		1,699
Noncurrent portion of financing leases	1,492		1,591
Other	881		1,252
Other liabilities	$	24,905	$	16,991

Schedule of Change in Asset Retirement Obligation

Our asset retirement obligations arise from certain of our leases and generally require us to remove our towers from ground leases. Below is a summary:


	Years Ended December 31,
(in thousands)	2020		2019		2018
Balance at beginning of year	$	6,152	$	8,808	$	4,619
Additional liabilities accrued	262		593		1,273
Changes to prior estimates	(1,633)		(3,659)		2,568
Payments	—		—		—
Accretion expense	332		410		348
Balance at end of year	$	5,113	$	6,152	$	8,808