Condensed Combined Statements of Changes in Parent Company Equity (USD $) In Thousands, unless otherwise specified	Total	Parent Company Investment	Accumulated Other Comprehensive Income (Loss)
Balance at beginning of the period at Dec. 31, 2012	$ 260,108	$ 259,945	$ 163
Changes in Parent Company Equity (Deficit)
Net income	711	711
Other comprehensive income (loss)	(1,933)		(1,933)
Net cash distributions to Parent	(27,730)	(27,730)
Equity-based compensation	12,526	12,526
Equity-based contributions to joint venture and Parent's advisory board	523	523
Balance at end of the period at Mar. 31, 2013	244,205	245,975	(1,770)
Balance at beginning of the period at Dec. 31, 2013	309,370	308,444	926
Changes in Parent Company Equity (Deficit)
Net income	22,092	22,092
Other comprehensive income (loss)	1		1
Net cash distributions to Parent	(56,428)	(56,428)
Equity-based compensation	11,010	11,010
Equity-based contributions to joint venture and Parent's advisory board	682	682
Other non-cash distributions	(2,904)	(2,904)
Balance at end of the period at Mar. 31, 2014	$ 283,823	$ 282,896	$ 927