Revenues (Tables)

12 Months Ended

Dec. 31, 2018

Revenue From Contract With Customer [Abstract]

Summary of Disaggregation of Revenue by Major Source and by Sales Channel

The following table presents our revenues disaggregated by major source (in thousands):

	Years Ended
	December 31,
	2018		2017		2016
Broadcast advertising	$	169,009	$	171,715	$	194,530
Digital advertising		80,982		57,098		23,144
Spectrum usage rights		2,976		263,943		—
Retransmission consent		35,066		31,413		29,557
Other		9,782		11,865		11,283
Total revenue	$	297,815	$	536,034	$	258,514

The following table further disaggregates the Company’s broadcast advertising revenue by sales channel (in thousands):

	Years Ended
	December 31,
	2018		2017		2016
Local direct	$	27,908	$	30,343	$	30,371
Local agency		60,840		64,724		72,778
National agency		80,261		76,648		91,381
Total revenue	$	169,009	$	171,715	$	194,530

Summary of Deferred Revenue

(in thousands)	December 31, 2017		Increase	Decrease *	December 31, 2018
Deferred revenue	$	2,957	2,759	(2,957)	$	2,759

* The amount disclosed in the decrease column reflects revenue that has been recorded during the year ended December 31, 2018.