Covenants and Events of Default	9 Months Ended
Sep. 30, 2017
Debt Disclosure [Abstract]
Long-Term Debt and Credit Arrangements	Debt Covenants and Events of Default Our debt and credit agreements require us to comply with various affirmative, restrictive and financial covenants, including the financial covenants described below. Our failure to comply with any of these covenants, or to pay principal, interest or other amounts when due thereunder, would constitute an event of default under the applicable agreements. Under certain circumstances, the occurrence of an event of default under one of our debt or credit agreements (or the acceleration of the maturity of the indebtedness under one of our agreements) may constitute an event of default under one or more of our other debt or credit agreements. Default under our debt and credit agreements could result in (i) us no longer being entitled to borrow under the agreements; (ii) termination of the agreements; (iii) the requirement that any letters of credit under the agreements be cash collateralized; (iv) acceleration of the maturity of outstanding indebtedness under the agreements; and/or (v) foreclosure on any collateral securing the obligations under the agreements. As of September 30, 2017, we had a $291.3 million credit facility, of which $200.0 million was a revolving credit facility and $91.3 million was a term loan that matures on October 28, 2020 (the “Maturity Date”) and has a sublimit for letters of credit of $100.0 million (the “Credit Agreement”). As of September 30, 2017, December 31, 2016 and September 30, 2016, $5.0 million of the term loan balance was included in current maturities of long-term debt and the remaining $86.3 million, $90.0 million and $91.3 million, respectively, was included in long-term debt on the condensed consolidated balance sheets. As of September 30, 2017 and December 31, 2016, $30.0 million had been drawn from the Credit Agreement to service the 2016 installment of the 2019 Notes (defined below). Senior notes payable in the amount of $120.0 million as of both September 30, 2017 and December 31, 2016 and in the amount of $160.0 million as of September 30, 2016 were due to a group of institutional holders and had an interest rate of 6.11% per annum (“2019 Notes”). As of September 30, 2017, three equal annual installments from 2017 through 2019 are remaining. Of the outstanding balances, $110.0 million as of both September 30, 2017 and December 31, 2016 and $150.0 million as of September 30, 2016 were included in long-term debt on the condensed consolidated balance sheets. Of the $40.0 million due for the 2017 installment of the 2019 Notes, $30.0 million is included in long-term debt on the condensed consolidated balance sheets as of September 30, 2017 and December 31, 2016 as we have the ability and intent to pay these installments using borrowings under the Credit Agreement or by obtaining other sources of financing. The remaining $10.0 million of the 2017 installment was included in current maturities of long-term debt as of September 30, 2017 and December 31, 2016. Of the $40.0 million due for the 2016 installment of the 2019 Notes, $30.0 million was included in long-term debt on the condensed consolidated balance sheets as of September 30, 2016 as we had the ability and intent to pay these installments using borrowings under the Credit Agreement. The remaining $10.0 million of the 2016 installment was included in current maturities of long-term debt as of September 30, 2016. As of September 30, 2017, we were in compliance with all covenants contained in the Credit Agreement and related to the note purchase agreement governing our 2019 Notes. We are not aware of any non-compliance by any of our unconsolidated real estate entities with the covenants contained in their debt agreements.

Debt Covenants and Events of Default

Our debt and credit agreements require us to comply with various affirmative, restrictive and financial covenants, including the financial covenants described below. Our failure to comply with any of these covenants, or to pay principal, interest or other amounts when due thereunder, would constitute an event of default under the applicable agreements. Under certain circumstances, the occurrence of an event of default under one of our debt or credit agreements (or the acceleration of the maturity of the indebtedness under one of our agreements) may constitute an event of default under one or more of our other debt or credit agreements. Default under our debt and credit agreements could result in (i) us no longer being entitled to borrow under the agreements; (ii) termination of the agreements; (iii) the requirement that any letters of credit under the agreements be cash collateralized; (iv) acceleration of the maturity of outstanding indebtedness under the agreements; and/or (v) foreclosure on any collateral securing the obligations under the agreements.

As of September 30, 2017, we had a $291.3 million credit facility, of which $200.0 million was a revolving credit facility and $91.3 million was a term loan that matures on October 28, 2020 (the “Maturity Date”) and has a sublimit for letters of credit of $100.0 million (the “Credit Agreement”).

As of September 30, 2017, December 31, 2016 and September 30, 2016, $5.0 million of the term loan balance was included in current maturities of long-term debt and the remaining $86.3 million, $90.0 million and $91.3 million, respectively, was included in long-term debt on the condensed consolidated balance sheets.

As of September 30, 2017 and December 31, 2016, $30.0 million had been drawn from the Credit Agreement to service the 2016 installment of the 2019 Notes (defined below).

Senior notes payable in the amount of $120.0 million as of both September 30, 2017 and December 31, 2016 and in the amount of $160.0 million as of September 30, 2016 were due to a group of institutional holders and had an interest rate of 6.11% per annum (“2019 Notes”). As of September 30, 2017, three equal annual installments from 2017 through 2019 are remaining. Of the outstanding balances, $110.0 million as of both September 30, 2017 and December 31, 2016 and $150.0 million as of September 30, 2016 were included in long-term debt on the condensed consolidated balance sheets.

Of the $40.0 million due for the 2017 installment of the 2019 Notes, $30.0 million is included in long-term debt on the condensed consolidated balance sheets as of September 30, 2017 and December 31, 2016 as we have the ability and intent to pay these installments using borrowings under the Credit Agreement or by obtaining other sources of financing. The remaining $10.0 million of the 2017 installment was included in current maturities of long-term debt as of September 30, 2017 and December 31, 2016.

Of the $40.0 million due for the 2016 installment of the 2019 Notes, $30.0 million was included in long-term debt on the condensed consolidated balance sheets as of September 30, 2016 as we had the ability and intent to pay these installments using borrowings under the Credit Agreement. The remaining $10.0 million of the 2016 installment was included in current maturities of long-term debt as of September 30, 2016.

As of September 30, 2017, we were in compliance with all covenants contained in the Credit Agreement and related to the note purchase agreement governing our 2019 Notes. We are not aware of any non-compliance by any of our unconsolidated real estate entities with the covenants contained in their debt agreements.