Equity-Based Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2018

Equity-Based Incentive Plans [Abstract]

Schedule of Restricted Stock Units Award Activity

A summary of the company’s RSU activity and outstanding RSUs as of December 31, 2018, are presented below (dollars in thousands except grant date fair value):

		Weighted		Aggregate
	Number	Average Grant		Intrinsic		Unrecognized
	of RSUs	Date Fair Value		Value		Compensation
Outstanding RSUs as of January 1, 2016	2,278,704		$18.55	$	40,720	$	27,615
Granted	852,063		32.40
Vested	(962,828)		22.76
Forfeited	(139,922)		18.50
As of December 31, 2016	2,028,017		22.38	$	72,157	$	29,086
Granted	828,955		36.29
Vested	(1,364,593)		18.50
Forfeited	(78,737)		23.52
As of December 31, 2017	1,413,642		34.22	$	60,970	$	32,017
Granted	815,761		36.70
Vested	(817,226)		33.20
Forfeited	(64,111)		34.51
As of December 31, 2018 (nonvested)	1,348,066		$36.32	$	40,496	$	31,996

Schedule Of LTIP Awards

	Maximum
	Shares That	Award
	Could Be Issued	Earned	Award Issued/Issuable
2013 LTIP Award:
Three-year performance period award	173,319	149,060	74,179	March 2016
			37,441	March 2017
			37,440	March 2018
2014 LTIP Award:
Three-year performance period award	204,741	204,741	68,249	March 2017
			68,247	March 2018
			68,245	March 2019
2015 LTIP Award:
Three-year performance period award	236,434	236,434	78,813	March 2018
			78,812	March 2019
			78,809	March 2020
2016 LTIP Award:
Three-year performance period award	324,469	324,469	108,158	March 2019
			108,156	March 2020
			108,155	March 2021
2017 LTIP Award:
Three-year performance period award	182,274	*	*
Two-year performance period transition award	16,779	15,101	5,034	March 2019
			5,034	March 2020
			5,033	March 2021
One-year performance period transition award	28,379	25,541	8,514	March 2018
			8,514	March 2019
			8,513	March 2020
2018 LTIP Award:
Three-year performance period award	198,397	*	*

* Not yet earned as performance period not complete.