Accounts Payable and Other Liabilities
 3 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Payables and Accruals [Abstract]    
Accounts Payable and Other Liabilities
Accounts Payable and Other Liabilities
Accounts payable and other liabilities, as of March 31, 2019 and December 31, 2018, consisted of the following (amounts in thousands):
 
March 31, 2019
 
December 31, 2018
Accounts payable and accrued expenses
$
10,135

 
$
9,188

Accrued interest expense
3,129

 
3,219

Accrued property taxes
2,299

 
2,309

Distributions payable to stockholders
7,315

 
7,317

Tenant deposits
875

 
875

Deferred rental income
6,431

 
6,647

Derivative liabilities
827

 
—

 
$
31,011

 
$
29,555
Accounts Payable and Other Liabilities
Accounts payable and other liabilities, as of December 31, 2018 and 2017, consisted of the following (amounts in thousands):
 
December 31, 2018
 
December 31, 2017
Accounts payable and accrued expenses
$
9,188

 
$
13,220

Accrued interest expense
3,219

 
2,410

Accrued property taxes
2,309

 
1,532

Distributions payable to stockholders
7,317

 
6,566

Tenant deposits
875

 
682

Deferred rental income
6,647

 
3,277

Derivative liabilities
—

 
22

 
$
29,555

 
$
27,709