Note 4 - Fair Value Measurements and Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2018

Notes Tables

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

	September 30, 2018								December 31, 2017
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
Other assets:
Interest rate swaps	$	686	$	-	$	686	$	-	$	515	$	-	$	515	$	-

Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]

		Notional		Fair
	Balance Sheet Location	Amount		Value
At September 30, 2018:
Interest rate swaps	Other assets	$	90,000	$	686
At December 31, 2017:
Interest rate swaps	Other assets	$	90,000	$	515

Derivative Instruments, Gain (Loss) [Table Text Block]

	Three Months Ended					Nine Months Ended
	September 30,					September 30,
	2018		2017			2018		2017
Gain recognized in accumulated other comprehensive loss	$	17	$	21		$	429	$	177
Gain (loss) reclassified from accumulated other comprehensive loss		136		(33	)		258		(82	)