HA Sustainable Infrastructure Capital, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Equity Incentive Plan - Additional Information (Detail)

v2.4.0.8

Equity Incentive Plan - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended	6 Months Ended
	Apr. 23, 2013	Jun. 30, 2013 Y	Jun. 30, 2013 Y
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum equity-based awards as a percentage of common stock issued and outstanding			7.50%
Number of shares received by employee through reallocation	202,826
Value per share under stock based compensation plan	$ 12.50
Compensation expense	$ 5,800,000
Number of restricted common stock granted	606,415
Grant-date fair value of restricted common stock	12.50
Restricted common stock vesting period	4 years
Restricted Incentive [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Assumed forfeiture rate for calculation of compensation expense	5.00%
Equity-based compensation expense associated with restricted stock units		340,056
Unrecognized compensation expense		6,900,000	6,900,000
Weighted-average term in which unrecognized compensation expense is expected to be recognized		2	2
Total fair value of shares vested			$ 0
Restricted stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares received by employee through reallocation	128,348
OP units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares received by employee through reallocation	135,938

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