Incentive Compensation - Summary of Components of Stock-Based Compensations Expense (Parenthetical) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
LTIP Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Acceleration of vesting stock awards	$ 1,443	$ 1,567
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Acceleration of vesting stock awards	$ 412	$ 294

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration