Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Equipment held for operating lease, accumulated depreciation (in dollars)	$ 388,050		$ 368,683
Operating lease related receivable, allowances (in dollars)	1,373		949
Property, equipment & furnishings, accumulated depreciation (in dollars)	$ 8,275		$ 7,374
Par value		$ 0.01	$ 0.01
Shares authorized		2,500	2,500
Shares outstanding	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	6,365		6,419
Accumulated other comprehensive loss, income tax benefit (in dollars)	$ 343		$ 83
Restricted cash	37,880		40,272
Other assets	35,470		50,932
Debt obligations	1,232,847		1,085,405
Variable Interest Entity [Member]
Cash	553		130
Restricted cash	37,880		40,272
Equipment	652,648		657,333
Other assets	1,207		20,090
Debt obligations	$ 571,641		$ 577,056