Quarterly Financial Information (unaudited) - Summary of Selected Quarterly Information (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended	3 Months Ended	12 Months Ended		3 Months Ended							9 Months Ended	12 Months Ended
	Oct. 14, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2013 Historical Predecessor [Member]	Jun. 30, 2013 Historical Predecessor [Member]	Mar. 31, 2013 Historical Predecessor [Member]	Dec. 31, 2012 Historical Predecessor [Member]	Sep. 30, 2012 Historical Predecessor [Member]	Jun. 30, 2012 Historical Predecessor [Member]	Mar. 31, 2012 Historical Predecessor [Member]	Oct. 14, 2013 Historical Predecessor [Member]	Dec. 31, 2012 Historical Predecessor [Member]	Dec. 31, 2011 Historical Predecessor [Member]
Effect of Fourth Quarter Events [Line Items]
Revenues	$ 6,967	$ 40,462			$ 46,020	$ 42,940	$ 41,498	$ 38,173	$ 36,254	$ 36,689	$ 34,643	$ 137,425	$ 145,759	$ 130,396
Operating income	1,143	6,203			7,048	6,024	5,568	4,203	3,933	6,014	1,365	19,783	15,515	18,597
Net income (loss)	445	3,154	(9,767)	(909)	2,709	(1,232)	(2,074)	(1,608)	(1,757)	(266)	(6,136)	(152)	(9,767)	(909)
Net income (loss) attributable to common shares		$ 3,154
Net income per share attributable to common shares - basic		$ 0.11
Net income per share attributable to common shares - diluted		$ 0.11