Other Assets, Net (Tables)
3 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Other Assets [Abstract]    
Schedule of Other Assets, Net
Other assets, net, consisted of the following as of March 31, 2019 and December 31, 2018 (amounts in thousands):
 
March 31, 2019
 
December 31, 2018
Deferred financing costs, related to the revolver portion of the secured credit facility, net of accumulated amortization of $4,915 and $4,686, respectively
$
2,886

 
$
3,053

Restricted cash
11,614

 
11,167

Tenant receivables
4,749

 
6,080

Straight-line rent receivable
35,359

 
32,685

Prepaid and other assets
9,093

 
8,344

Derivative assets
3,420

 
6,204

 
$
67,121

 
$
67,533

Other assets, net, consisted of the following as of December 31, 2018 and 2017 (amounts in thousands):
 
December 31, 2018
 
December 31, 2017
Deferred financing costs, related to the revolver portion of the secured credit facility, net of accumulated amortization of $4,686 and $3,426, respectively
$
3,053

 
$
1,850

Real estate escrow deposits
—

 
100

Restricted cash
11,167

 
10,944

Tenant receivables
6,080

 
4,916

Straight-line rent receivable
32,685

 
19,321

Prepaid and other assets
8,344

 
6,117

Derivative assets
6,204

 
3,934

 
$
67,533

 
$
47,182