Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Equipment held for operating lease, accumulated depreciation (in dollars)	$ 392,444	$ 368,683
Operating lease related receivable, allowances (in dollars)	1,823	949
Property, equipment & furnishings, accumulated depreciation (in dollars)	$ 8,770	$ 7,374
Par value	$ 0.01	$ 0.01
Shares authorized	2,500	2,500
Shares issued	2,500	2,500
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	20,000	20,000
Common stock, shares issued	6,230	6,419
Accumulated other comprehensive loss, income tax expense (in dollars)	$ 273	$ 83
Restricted cash	155,420	40,272
Other assets	33,865	50,932
Debt obligations	1,392,113	1,085,405
Variable Interest Entity [Member]
Cash	393	130
Restricted cash	155,420	40,272
Equipment	1,054,258	657,333
Other assets	834	20,090
Debt obligations	$ 919,026	$ 577,056