Subsequent Events (Details) - USD ($)				9 Months Ended
	Nov. 07, 2018	Nov. 06, 2018	Oct. 16, 2018	Sep. 30, 2018	Sep. 30, 2017
Subsequent Event [Line Items]
Proceeds from related party equity contribution				$ 0	$ 32,000,000
Kien Huat Realty III Limited [Member] | Kien Huat Subordinate Loan Agreement [Member] | Subsequent Event
Subsequent Event [Line Items]
Proceeds from related party long-term loan			$ 10,000,000
Bangkok Bank Loan [Member] | Line of Credit [Member] | Subsequent Event
Subsequent Event [Line Items]
Amount borrowed under line of credit	$ 2,000,000
Kien Huat Realty III Limited [Member] | Series F Preferred Stock [Member] | KH 2018 Preferred Stock Commitment Letter [Member] | Subsequent Event
Subsequent Event [Line Items]
Share Purchase Agreement, Maximum Purchase Amount		$ 126,000,000
Proceeds from related party equity contribution		$ 29,000,000
Funding Fee, Percent		1.00%
Share Purchase Program Schedule, Period One [Member] | Kien Huat Realty III Limited [Member] | Series F Preferred Stock [Member] | KH 2018 Preferred Stock Commitment Letter [Member] | Subsequent Event
Subsequent Event [Line Items]
Share Purchase Agreement, Maximum Purchase Amount		$ 12,000,000
Share Purchase Program Schedule, Period Two [Member] | Kien Huat Realty III Limited [Member] | Series F Preferred Stock [Member] | KH 2018 Preferred Stock Commitment Letter [Member] | Subsequent Event
Subsequent Event [Line Items]
Share Purchase Agreement, Maximum Purchase Amount		20,000,000
Share Purchase Program Schedule, Period Three [Member] | Kien Huat Realty III Limited [Member] | Series F Preferred Stock [Member] | KH 2018 Preferred Stock Commitment Letter [Member] | Subsequent Event
Subsequent Event [Line Items]
Share Purchase Agreement, Maximum Purchase Amount		20,000,000
Share Purchase Program Schedule, Period Four [Member] | Kien Huat Realty III Limited [Member] | Series F Preferred Stock [Member] | KH 2018 Preferred Stock Commitment Letter [Member] | Subsequent Event
Subsequent Event [Line Items]
Share Purchase Agreement, Maximum Purchase Amount		15,000,000
Share Purchase Program Schedule, Period Five [Member] | Kien Huat Realty III Limited [Member] | Series F Preferred Stock [Member] | KH 2018 Preferred Stock Commitment Letter [Member] | Subsequent Event
Subsequent Event [Line Items]
Share Purchase Agreement, Maximum Purchase Amount		37,000,000
Share Purchase Program Schedule, Period Six [Member] | Kien Huat Realty III Limited [Member] | Series F Preferred Stock [Member] | KH 2018 Preferred Stock Commitment Letter [Member] | Subsequent Event
Subsequent Event [Line Items]
Share Purchase Agreement, Maximum Purchase Amount		$ 22,000,000