Commitments and Contingencies	3 Months Ended
Mar. 31, 2016
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies The Company is subject to claims and litigation in the normal course of its business. The Company applies the provisions as defined in the guidance related to accounting for contingencies in determining the recognition and measurement of potential liabilities associated with legal claims against the Company. Management obtains input from internal and external legal counsel on the potential outcome of litigation in determining the need to record liabilities for potential losses and the disclosure of pending legal claims. Contracts Acquired in the Central Merger Certain lease contracts acquired in the Central Merger include provisions allocating to the Company responsibility for the cost of certain structural and other repairs required to be made to the leased property, including improvement and repair costs arising as a result of ordinary wear and tear. The Company recorded $0.1 million of costs during each of the three months ended March 31, 2016 and 2015 (net of expected recoveries of the total cost recognized by the Company through the applicable indemnity discussed further below and in Note 3. Acquisition) in Cost of parking services—Lease contracts within the Condensed Consolidated Statements of Income for structural and other repair costs related to certain lease contracts acquired in the Central Merger, whereby the Company has expensed repair costs for certain leases and engaged third-party general contractors to complete certain structural and other repair projects, and other indemnity related costs. The Company expects to incur additional costs for certain structural and other repair costs pursuant to the contractual requirements of certain lease contracts acquired in the Central Merger (“Structural and Repair Costs”). Based on information available at this time, the Company currently expects to incur additional Structural and Repair Costs of $1.5 million. While the Company is unable to estimate with certainty when such remaining costs will be incurred, it is expected that a substantial majority of these costs will be incurred in early- to mid-calendar year 2016. The Company currently expects to recover 80% of the Structural and Repair Costs incurred and related to certain lease contracts acquired in the Central Merger through the applicable indemnity discussed further in Note 3. Acquisition. Holten Settlement In March 2010, John V. Holten, a former indirect controlling shareholder of the Company, filed a lawsuit against the Company in the United States District Court, District of Connecticut. Mr. Holten was terminated as the Company's chairman in October 2009. The lawsuit alleged breach of his employment agreement and claimed that the agreement entitled Mr. Holten to payments worth more than $3.8 million. The Company filed an answer and counterclaim to Mr. Holten's lawsuit in 2010. In March 2016, the Company and Mr. Holten settled all claims in connection with the original lawsuits ("Holten Settlement"). Per the settlement, the Company will pay Mr. Holten $3.4 million of which $1.9 million will be recovered by the Company through the Company's directors and officers liability insurance policies. The Company recognized an expense, net of insurance recoveries, related to the Holten Settlement of $1.5 million for the three months ended March 31, 2016.

Commitments and Contingencies

The Company is subject to claims and litigation in the normal course of its business. The Company applies the provisions as defined in the guidance related to accounting for contingencies in determining the recognition and measurement of potential liabilities associated with legal claims against the Company. Management obtains input from internal and external legal counsel on the potential outcome of litigation in determining the need to record liabilities for potential losses and the disclosure of pending legal claims.

Contracts Acquired in the Central Merger

Certain lease contracts acquired in the Central Merger include provisions allocating to the Company responsibility for the cost of certain structural and other repairs required to be made to the leased property, including improvement and repair costs arising as a result of ordinary wear and tear. The Company recorded $0.1 million of costs during each of the three months ended March 31, 2016 and 2015 (net of expected recoveries of the total cost recognized by the Company through the applicable indemnity discussed further below and in Note 3. Acquisition) in Cost of parking services—Lease contracts within the Condensed Consolidated Statements of Income for structural and other repair costs related to certain lease contracts acquired in the Central Merger, whereby the Company has expensed repair costs for certain leases and engaged third-party general contractors to complete certain structural and other repair projects, and other indemnity related costs. The Company expects to incur additional costs for certain structural and other repair costs pursuant to the contractual requirements of certain lease contracts acquired in the Central Merger (“Structural and Repair Costs”). Based on information available at this time, the Company currently expects to incur additional Structural and Repair Costs of $1.5 million. While the Company is unable to estimate with certainty when such remaining costs will be incurred, it is expected that a substantial majority of these costs will be incurred in early- to mid-calendar year 2016. The Company currently expects to recover 80% of the Structural and Repair Costs incurred and related to certain lease contracts acquired in the Central Merger through the applicable indemnity discussed further in Note 3. Acquisition.

Holten Settlement

In March 2010, John V. Holten, a former indirect controlling shareholder of the Company, filed a lawsuit against the Company in the United States District Court, District of Connecticut. Mr. Holten was terminated as the Company's chairman in October 2009. The lawsuit alleged breach of his employment agreement and claimed that the agreement entitled Mr. Holten to payments worth more than $3.8 million. The Company filed an answer and counterclaim to Mr. Holten's lawsuit in 2010.

In March 2016, the Company and Mr. Holten settled all claims in connection with the original lawsuits ("Holten Settlement"). Per the settlement, the Company will pay Mr. Holten $3.4 million of which $1.9 million will be recovered by the Company through the Company's directors and officers liability insurance policies. The Company recognized an expense, net of insurance recoveries, related to the Holten Settlement of $1.5 million for the three months ended March 31, 2016.