Acquisitions - Additional Information (Detail) (USD $)
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Nov. 30, 2013
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Oct. 31, 2013
Seniors for Living, Inc.
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Feb. 28, 2013
Seniors for Living, Inc.
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Feb. 28, 2013
Seniors for Living, Inc.
Maximum
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Feb. 28, 2013
Seniors for Living, Inc.
Developed product technologies
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Feb. 28, 2013
Seniors for Living, Inc.
Customer Relationships
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Mar. 31, 2013
Rent Sentinel
|
Mar. 31, 2013
Rent Sentinel
Developed product technologies
|
Mar. 31, 2013
Rent Sentinel
Customer Relationships
|
Oct. 31, 2013
Windsor Compliance Services
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Oct. 31, 2013
Windsor Compliance Services
Customer Relationships
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Oct. 31, 2013
MyBuilding Inc.
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Oct. 31, 2013
MyBuilding Inc.
Developed product technologies
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Oct. 31, 2013
MyBuilding Inc.
Customer Relationships
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Oct. 31, 2013
Active Building LLC
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Oct. 31, 2013
Active Building LLC
Developed product technologies
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Oct. 31, 2013
Active Building LLC
Customer Relationships
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Jan. 31, 2012
Vigilan
Installment
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Jan. 31, 2012
Vigilan
Maximum
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Jan. 31, 2012
Vigilan
Developed product technologies
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Jan. 31, 2012
Vigilan
Customer Relationships
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Jul. 31, 2012
RMO
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Dec. 31, 2013
RMO
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Jul. 31, 2012
RMO
Maximum
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Jul. 31, 2012
RMO
Developed product technologies
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Jul. 31, 2012
RMO
Customer Relationships
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May 31, 2011
Compliance Depot
Installment
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May 31, 2011
Compliance Depot
Maximum
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May 31, 2011
Compliance Depot
Developed product technologies
|
May 31, 2011
Compliance Depot
Customer Relationships
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Jul. 31, 2011
SLN
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Dec. 31, 2013
SLN
|
Jul. 31, 2011
SLN
Maximum
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Jul. 31, 2012
SLN
Developed product technologies
|
Jul. 31, 2012
SLN
Customer Relationships
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Aug. 31, 2011
MTS
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Dec. 31, 2013
MTS
|
Dec. 31, 2012
MTS
Maximum
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Aug. 31, 2011
MTS
Developed product technologies
|
Aug. 31, 2011
MTS
Customer Relationships
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Dec. 31, 2013
Acquisition-related Costs [Member]
Acquired Intangible Assets
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Dec. 31, 2012
Acquisition-related Costs [Member]
Acquired Intangible Assets
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Mar. 31, 2013
Common Stock Issuable [Member]
Rent Sentinel
Tranche
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Business Acquisition [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||
Cost of acquired substantially all of the assets | $ 2,700,000 | $ 10,500,000 | $ 2,700,000 | $ 6,900,000 | $ 14,400,000 | $ 5,000,000 | $ 22,500,000 | |||||||||||||||||||||||||||||||||||||||
Preliminary cash payment | 200,000 | 2,300,000 | 7,600,000 | 1,300,000 | 4,500,000 | 11,300,000 | 4,000,000 | 5,500,000 | 700,000 | 19,200,000 | 4,000,000 | 64,000,000 | ||||||||||||||||||||||||||||||||||
Deferred per installment amount | 200,000 | 1,000,000 | 1,500,000 | 2,000,000 | 500,000 | 3,500,000 | 1,100,000 | 500,000 | ||||||||||||||||||||||||||||||||||||||
Business acquisition, deferred payment to be made after acquisition date period in months first | 6 months | 12 months | 12 months | 12 months | 6 months | |||||||||||||||||||||||||||||||||||||||||
Business acquisition, deferred payment to be made after acquisition date period in months second | 12 months | 24 months | 24 months | 24 months | 12 months | |||||||||||||||||||||||||||||||||||||||||
Amortized useful life of acquired intangible assets | 3 years | 5 years | 3 years | 9 years | 10 years | 3 years | 10 years | 3 years | 10 years | 3 years | 10 years | 3 years | 10 years | 3 years | 9 years | 3 years | 10 years | 3 years | 10 years | |||||||||||||||||||||||||||
Direct acquisition costs | 100,000 | 100,000 | 100,000 | 100,000 | 100,000 | 100,000 | 100,000 | 100,000 | 100,000 | 800,000 | ||||||||||||||||||||||||||||||||||||
Number of tranches | 2 | |||||||||||||||||||||||||||||||||||||||||||||
Length of time after acquisition date of deferred cash payment to be made | 2 years | 3 years | ||||||||||||||||||||||||||||||||||||||||||||
Business combination, additional cash payment amount | 500,000 | 1,100,000 | 6,500,000 | |||||||||||||||||||||||||||||||||||||||||||
Deferred cash payment, fair value | 1,400,000 | 1,700,000 | ||||||||||||||||||||||||||||||||||||||||||||
Number of deferred installments | 2 | 3 | ||||||||||||||||||||||||||||||||||||||||||||
Business acquisition, deferred payment to be made after acquisition date period in months third | 18 months | |||||||||||||||||||||||||||||||||||||||||||||
Amount withheld from purchase consideration subject to downward adjustment | 1,000,000 | 3,500,000 | ||||||||||||||||||||||||||||||||||||||||||||
Business combination, remaining liability | 700,000 | |||||||||||||||||||||||||||||||||||||||||||||
Fair value of cash payments | 1,300,000 | 300,000 | 1,300,000 | 200,000 | ||||||||||||||||||||||||||||||||||||||||||
Estimated fair value of common shares and conversion option | 300,000 | |||||||||||||||||||||||||||||||||||||||||||||
Liability for the estimated cash payment | 300,000 | 200,000 | ||||||||||||||||||||||||||||||||||||||||||||
Acquisition-related contingent consideration | 1,284,000 | (722,000) | (410,000) | (1,300,000) | 100,000 | 200,000 | (300,000) | |||||||||||||||||||||||||||||||||||||||
Issuance of restricted common shares related to acquisition | 72,500 | 300,000 | 22,000 | 400,000 | 294,770 | 36,250 | ||||||||||||||||||||||||||||||||||||||||
Change in amount of contingent consideration liability | 300,000 | |||||||||||||||||||||||||||||||||||||||||||||
Business acquisition contingent consideration shares issued | 214,833 | |||||||||||||||||||||||||||||||||||||||||||||
Estimate of the fair value of the common shares | 8,400,000 | 6,300,000 | ||||||||||||||||||||||||||||||||||||||||||||
Maximum additional cash payable on acquisition | 500,000 | |||||||||||||||||||||||||||||||||||||||||||||
Estimated of fair value of stock option exercisable | 3,600,000 | |||||||||||||||||||||||||||||||||||||||||||||
Stock options exercisable | 349,693 | |||||||||||||||||||||||||||||||||||||||||||||
Liability of put option | 1,200,000 | |||||||||||||||||||||||||||||||||||||||||||||
Cash deposited in Escrow | 14,000,000 | |||||||||||||||||||||||||||||||||||||||||||||
Shares deposited in Escrow | 65,873 | |||||||||||||||||||||||||||||||||||||||||||||
Half of amounts of escrow deposits release period after acquisition | 12 months | |||||||||||||||||||||||||||||||||||||||||||||
Remaining escrow deposit release period after acquisition | 18 months | |||||||||||||||||||||||||||||||||||||||||||||
Cash received in settlement of outstanding claims | 1,700,000 | |||||||||||||||||||||||||||||||||||||||||||||
Income tax expense (benefit) | (210,000) | 4,219,000 | (210,000) | |||||||||||||||||||||||||||||||||||||||||||
Amortization charges from acquired intangible assets | $ 16,600,000 | $ 18,300,000 | $ 16,200,000 | $ 2,500,000 | $ 5,200,000 |