Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2018

Stockholders' Equity Note [Abstract]

Reclassification out of Accumulated Other Comprehensive Income

The following table presents changes in the amounts we recognized in cumulative other comprehensive income by component for the three months ended March 31, 2018:

	Three Months Ended March 31, 2018
	Unrealized Gain			Equity in
	(Loss) on Investment			Unrealized Gain
	Securities, net			(loss) of Investees			Total
Balance at December 31, 2017	$	78,715		$	643		$	79,358
Amounts reclassified from cumulative other comprehensive income to retained earnings	(78,715		)	—			(78,715		)
Current period other comprehensive loss	—			(93		)	(93		)
Balance at March 31, 2018	$	—		$	550		$	550