Related Party Transactions - Narrative (Details) - USD ($) $ in Millions	1 Months Ended
Nov. 30, 2017	Dec. 31, 2017
Affiliated Entity
Related Party Transaction [Line Items]
Earnest Money Deposits		$ 1.2
Paulson & Co. Inc. \| Investor
Related Party Transaction [Line Items]
Purchase price of lots	$ 22.8
Related party stock ownership	5.00%

A deposit made by a purchaser of real estate to evidence good faith. It is customary for a buyer to give the seller earnest money at the time a sales contract is signed. The earnest money generally is credited to the down payment at closing, which is applied at closing as a component of payment against the purchase price.

No definition available.

Name:	us-gaap_EarnestMoneyDeposits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant