Supplemental Financial Information (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	[1]	Dec. 31, 2014	[1]
Assets
Cash and cash equivalents	$ 38,460	$ 44,351	$ 79,680		$ 7,664
Income and fees receivable	1,602	2,529
Investments in affiliates, at fair value	5,182	5,242
Due from related parties	946	748
Fixed assets, net	477	544
Prepaid expenses	910	776
Other assets	1,016	310
Investments, at fair value	42,026	8,169
Total Assets	90,619	93,211
Liabilities
Notes payable	1,257	1,255
Compensation payable	2,581	3,575
Due to related parties	161	175
Fees payable	381	756
Other liabilities	1,708	1,546
Liabilities of Consolidated Funds
Total Liabilities	6,161	7,408
Equity
Preferred Stock	0	0
Additional paid-in-capital	61,045	60,817
Retained earnings (Accumulated deficit)	(18,639)	(13,805)
Accumulated other comprehensive income (loss)	122	158
Total stockholders’ equity, ZAIS Group Holdings, Inc.	42,529	47,171
Total Equity	84,458	85,803
Total Liabilities, Redeemable Non-controlling Interests and Equity	90,619	93,211
Intersegment Eliminations [Member]
Assets
Cash and cash equivalents	0	0
Income and fees receivable	0	0
Investments in affiliates, at fair value	(21,396)	(15,525)
Due from related parties	0	0
Fixed assets, net	0	0
Prepaid expenses	0	0
Other assets	0	0
Investments, at fair value	0	0
Liabilities
Notes payable	0	0
Compensation payable	0	0
Due to related parties	0	0
Fees payable	0	0
Other liabilities	0	0
Consolidation, Eliminations [Member]
Assets
Cash and cash equivalents	0	0
Income and fees receivable	0	0
Investments in affiliates, at fair value	0	0
Due from related parties	0	0
Fixed assets, net	0	0
Prepaid expenses	0	0
Other assets	0	0
Investments, at fair value		0
Total Assets		(15,525)
Liabilities
Notes payable	0	0
Compensation payable	0	0
Due to related parties	0	0
Fees payable	0	0
Other liabilities	0	0
Liabilities of Consolidated Funds
Total Liabilities		0
Equity
Preferred Stock	0
Equity attributable to non-controlling interests	(21,396)
Additional paid-in-capital	0
Retained earnings (Accumulated deficit)	0
Accumulated other comprehensive income (loss)	0
Total stockholders’ equity, ZAIS Group Holdings, Inc.	0
Equity attributable to non-controlling interests	(21,396)
Total Equity	(21,396)
Total Liabilities, Redeemable Non-controlling Interests and Equity	(21,396)
Eliminations [Member]
Assets
Total Assets	(21,396)
Liabilities of Consolidated Funds
Total Liabilities	0
Equity
Equity attributable to non-controlling interests		(15,525)
Additional paid-in-capital		0
Retained earnings (Accumulated deficit)		0
Accumulated other comprehensive income (loss)		0
Total stockholders’ equity, ZAIS Group Holdings, Inc.		0
Equity attributable to non-controlling interests		(15,525)
Total Equity		(15,525)
Total Liabilities, Redeemable Non-controlling Interests and Equity		(15,525)
Consolidated [Member]
Liabilities
Other liabilities	0
Consolidated Entities [Member]
Assets
Cash and cash equivalents	0	33
Investments, at fair value	42,026	38,678
Liabilities
Notes payable		1,255
Other liabilities	73	101
Equity
Equity attributable to non-controlling interests	20,557	14,916
Equity attributable to non-controlling interests	20,557	14,916
ZAIS [Member]
Assets
Cash and cash equivalents	38,460	44,351
Income and fees receivable	1,602	2,529
Investments in affiliates, at fair value	26,578	20,767
Due from related parties	946	748
Fixed assets, net	477	544
Prepaid expenses	910	776
Other assets	1,016	310
Investments, at fair value		8,169
Total Assets	69,989	78,194
Liabilities
Notes payable	1,257	1,255
Compensation payable	2,581	3,575
Due to related parties	161	175
Fees payable	381	756
Other liabilities	1,708	1,546
Liabilities of Consolidated Funds
Total Liabilities	6,088	7,307
Equity
Preferred Stock	0	0
Equity attributable to non-controlling interests	21,372	23,716
Additional paid-in-capital	61,045	60,817
Retained earnings (Accumulated deficit)	(18,639)	(13,805)
Accumulated other comprehensive income (loss)	122	158
Total stockholders’ equity, ZAIS Group Holdings, Inc.	42,529	47,171
Equity attributable to non-controlling interests	21,372	23,716
Total Equity	63,901	70,887
Total Liabilities, Redeemable Non-controlling Interests and Equity	69,989	78,194
ZAIS [Member] | Consolidated [Member]
Assets
Cash and cash equivalents		0
Investments, at fair value	0	0
Liabilities
Other liabilities	0	0
Equity
Equity attributable to non-controlling interests	0	0
Equity attributable to non-controlling interests	0	0
Consolidated Funds, Before Eliminations [Member]
Assets
Investments, at fair value	42,026
Total Assets	42,026	30,542
Liabilities
Other liabilities	73	101
Liabilities of Consolidated Funds
Total Liabilities	73	101
Equity
Preferred Stock	0	0
Equity attributable to non-controlling interests	41,953	30,441
Additional paid-in-capital	0	0
Retained earnings (Accumulated deficit)	0	0
Accumulated other comprehensive income (loss)	0	0
Total stockholders’ equity, ZAIS Group Holdings, Inc.	0	0
Equity attributable to non-controlling interests	41,953	30,441
Total Equity	41,953	30,441
Total Liabilities, Redeemable Non-controlling Interests and Equity	42,026	30,542
Consolidated Funds, Before Eliminations [Member] | Intersegment Eliminations [Member]
Equity
Equity attributable to non-controlling interests		0
Equity attributable to non-controlling interests		0
Consolidated Funds, Before Eliminations [Member] | Consolidation, Eliminations [Member]
Assets
Cash and cash equivalents		33
Investments, at fair value		30,509
Equity
Equity attributable to non-controlling interests		0
Equity attributable to non-controlling interests		0
ZAIS Group Parent, LLC [Member]
Equity
Equity attributable to non-controlling interests	21,372	23,716
Equity attributable to non-controlling interests	21,372	23,716
ZAIS Group Parent, LLC [Member] | Intersegment Eliminations [Member]
Equity
Equity attributable to non-controlling interests	0
Equity attributable to non-controlling interests	0
ZAIS Group Parent, LLC [Member] | Consolidation, Eliminations [Member]
Equity
Equity attributable to non-controlling interests	0
Equity attributable to non-controlling interests	0
ZAIS Group Parent, LLC [Member] | Consolidated [Member]
Equity
Equity attributable to non-controlling interests	21,372	23,716
Equity attributable to non-controlling interests	21,372	23,716
Common Class A [Member]
Equity
Common stock	1	1
Common Class A [Member] | Consolidation, Eliminations [Member]
Equity
Common stock	0
Common Class A [Member] | Eliminations [Member]
Equity
Common stock		0
Common Class A [Member] | ZAIS [Member]
Equity
Common stock	1	1
Common Class A [Member] | Consolidated Funds, Before Eliminations [Member]
Equity
Common stock	0	0
Common Class B [Member]
Equity
Common stock	0	0
Common Class B [Member] | Consolidation, Eliminations [Member]
Equity
Common stock	0
Common Class B [Member] | Eliminations [Member]
Equity
Common stock		0
Common Class B [Member] | ZAIS [Member]
Equity
Common stock	0	0
Common Class B [Member] | Consolidated Funds, Before Eliminations [Member]
Equity
Common stock	$ 0	$ 0

[1] Subsequent to the filing of the 10-Q for the three months ended March 31, 2015, the Company elected to early adopt ASU 2015-02 with an effective date of January 1, 2015. As a result of this adoption, all of the ZAIS Managed Entities which were consolidated in the 10-Q for the three months ended March 31, 2015 were deconsolidated. The March 31, 2015 figures above reflect the consolidated results of the Company for the three months ended March 31, 2015, subsequent to the adoption of ASU 2015-02.