Annual report pursuant to Section 13 and 15(d)

Recurring (Details)

v3.10.0.1
Recurring (Details) - Fair Value, Measurements, Recurring [Member] - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Fair Value, Inputs, Level 1, 2 and 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets $ 5,755 $ 5,533
Total liabilities 6 188
Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets 0 0
Total liabilities 0 0
Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets 5,755 5,533
Total liabilities 6 188
Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets 0 0
Total liabilities 0 0
Interest Rate Swap [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swaps (prepaids and other assets) 5,755 5,533
Interest rate swaps (other liabilities) 6 188
Interest Rate Swap [Member] | Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swaps (prepaids and other assets) 0 0
Interest rate swaps (other liabilities) 0 0
Interest Rate Swap [Member] | Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swaps (prepaids and other assets) 5,755 5,533
Interest rate swaps (other liabilities) 6 188
Interest Rate Swap [Member] | Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swaps (prepaids and other assets) 0 0
Interest rate swaps (other liabilities) $ 0 $ 0