Income Taxes-Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2017	Mar. 31, 2016
Effective Income Tax Rate Reconciliation, Amount
Statutory Federal income tax expense (benefit), Amount									$ (929)	$ (558)	[1]
State and local income tax, net of Federal tax benefit, Amount									119	128	[1]
General business credit, Amount									11	11	[1]
Increase in net operating loss, Amount									961	774	[1]
Other, Amount									(43)	(227)	[1]
Income tax expense	$ 82	$ 0	$ 0	$ 37	$ (31)	$ 67	$ 79	$ 13	$ 119	$ 128	[2],[3]
Effective Income Tax Rate Reconciliation, Percent
Statutory Federal income tax expense (benefit), Percent									34.00%	34.00%	[4]
State and local income tax, net of Federal tax benefit, Percent									(4.40%)	(7.80%)	[4]
General business credit, Percent									(0.40%)	(0.70%)	[4]
Increase in net operating loss, Percent									(35.20%)	(47.20%)	[4]
Other, Percent									1.60%	13.90%	[4]
Income tax expense (benefit), Percent									(4.40%)	(7.80%)	[5]

[1] (1) March 31, 2016 balances have been restated from previously reported results to correct for material and certain other errors from prior periods. Investment in subsidiaries, total assets and total liabilities and stockholders' equity were each reduced by $2.2 million, other liabilities and total liabilities increased by $157 thousand and stockholders' equity was reduced by $2.3 million. Refer to Notes 1 and 19 for further detail.

[2] (1) March 31, 2016 balances have been restated from previously reported results to correct for material and certain other errors from prior periods. Equity in net loss from subsidiaries was increased and total income was reduced by $1.5 million, interest expense on borrowings and total expense were increased by $66 thousand, and net loss and comprehensive loss were increased $1.6 million. Refer to Notes 1 and 19 for further detail.

[3] (1) March 31, 2016 balances have been restated from previously reported results to correct for material and certain other errors from prior periods. Refer to Notes 1 and 19 for further detail.

[4] (1) March 31, 2015 and 2016 balances have been restated from previously reported results to correct for material and certain other errors from prior periods. Refer to Notes 1 and 19 for further detail.

[5] (1) March 31, 2016 balances have been restated from previously reported results to correct for material and certain other errors from prior periods. Refer to Notes 1 and 19 for further detail.