Income Taxes - Summary of Temporary Differences Giving Rise to Deferred Income Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Deferred tax assets
Impairment and other reserves	$ 58,991	$ 65,063
Compensation deductible for tax purposes when paid	9,124	9,130
Goodwill and other intangibles	129	2,582
AMT credit carryover	1,384	1,384
Unused recognized built-in loss	19,053	27,645
Net operating loss	4,430	1,776
Valuation allowance	0	(1,626)	$ (4,000)
Other	1,378	1,556
Deferred tax assets	94,489	107,510
Deferred tax liabilities
Effect of book/tax differences for joint ventures	(3,537)	(2,974)
Effect of book/tax differences for capitalized interest/general and administrative	(14,566)	(13,203)
Fixed assets and intangibles	(755)	(2,104)
Other	4,095	(1,190)
Deferred tax liabilities	(14,763)	(19,471)
Total deferred tax assets, net	$ 79,726	$ 88,039