COMMITMENTS AND CONTINGENCIES - Administrative and Marketing Office Space and Building (Details) $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Jan. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) ft² city	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Successor
Future minimum rental payments required under operating leases
Outstanding mortgage loan commitments		$ 601,900	$ 855,300
Average rate (as a percent)		4.43%	4.17%
Administrative and marketing office space
Operating leased assets
Number of cities in which the company leases properties | city			20
Future minimum rental payments required under operating leases
2017			$ 4,497
2018			4,515
2019			4,319
2020			4,044
2021			3,779
Thereafter			12,472
Administrative and marketing office space | Successor
Operating leased assets
Rental expense		$ 6,300	6,700
Aggregate annualized rent			$ 6,700
Administrative and marketing office space | Predecessor
Operating leased assets
Rental expense	$ 600			$ 6,500
Administrative and marketing office space | Minimum
Operating leased assets
Lease period (in years)			3 years
Administrative and marketing office space | Maximum
Operating leased assets
Lease period (in years)			10 years
Administrative and Marketing Office Space Birmingham excluding Home Office
Operating leased assets
Area leased in Birmingham (in square feet) | ft²			24,090
Building contiguous to home office
Future minimum rental payments required under operating leases
2017			$ 1,653
2018			$ 76,629
Approximate price for which the company may purchase building at the end of lease term					$ 75,000
Base rate			LIBOR