Recent Accounting Pronouncements - Recent Accounting Pronouncement (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Oct. 01, 2019	Sep. 30, 2019
Assets:
Operating lease right-of-use assets	$ 2,288	$ 2,448
Liabilities:
Accounts payable and accrued expenses	11,112	16,840	$ 16,175
Operating lease liabilities - noncurrent portion	$ 1,679	1,783
Restatement Adjustment | Accounting Standards Update 2016-02
Assets:
Operating lease right-of-use assets		2,448
Liabilities:
Accounts payable and accrued expenses		665
Operating lease liabilities - noncurrent portion		$ 1,783