Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2018

Equity [Abstract]

Schedule of changes in each component of cumulative other comprehensive income (loss)

The following table presents changes in the amounts we recognized in cumulative other comprehensive income by component for the three and nine months ended September 30, 2018:

	Three Months Ended September 30, 2018
	Unrealized Gain		Equity in
	on Investment		Unrealized
	in Equity		Gain
	Securities		of Investees			Total
Balance at June 30, 2018	$	—	$	139		$	139
Other comprehensive income before reclassifications	—		143			143
Amounts reclassified from cumulative other comprehensive income to net income (1)	—		(17		)	(17		)
Net current period other comprehensive income	—		126			126
Balance at September 30, 2018	$	—	$	265		$	265

	Nine Months Ended September 30, 2018
	Unrealized Gain			Equity in
	on Investment			Unrealized
	in Equity			Gain (Loss)
	Securities			of Investees			Total
Balance at December 31, 2017	$	45,116		$	15,311		$	60,427
Amounts reclassified from cumulative other comprehensive income to cumulative net income	(45,116		)	(15,165		)	(60,281		)
Other comprehensive income before reclassifications	—			155			155
Amounts reclassified from cumulative other comprehensive income to net income (1)	—			(36		)	(36		)
Net current period other comprehensive income	—			119			119
Balance at September 30, 2018	$	—		$	265		$	265

(1) Amounts reclassified from cumulative other comprehensive income to net income (loss) are included in equity in net earnings of investees in our condensed consolidated statements of comprehensive income.