Derivative Instruments (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Derivative [Line Items]
Expired cash flow hedge reclassified from AOCI to interest expense	$ (1,100)	$ 1,100
Other Assets
Derivative [Line Items]
Fair values of interest rate corridor instrument			$ 600
Interest Rate Corridor
Derivative [Line Items]
Description of interest rate risk hedge at several thresholds		Company paid variable interest monthly based on the 30-day LIBOR rates until that index reached 1.5%. If 30-day LIBOR was equal to 1.5% through 3.0%, the Company paid 1.5%. If 30-day LIBOR exceeded 3.0%, the Company paid actual 30-day LIBOR less 1.5%.
Interest Rate Corridor | 30-day LIBOR
Derivative [Line Items]
LIBOR interest rate at which the cash flow hedge interest rate corridor terms become effective		1.50%
Interest rate to be paid when variable base rate falls within the interest rate corridor		1.50%
Percentage deducted from LIBOR to determine interest rate to be paid when LIBOR rate exceeds the interest rate corridor		1.50%
Interest Rate Corridor | 30-day LIBOR | Minimum
Derivative [Line Items]
Variable interest rate corridor percentage		1.50%
Interest Rate Corridor | 30-day LIBOR | Maximum
Derivative [Line Items]
Variable interest rate corridor percentage		3.00%
Cash Flow Hedging
Derivative [Line Items]
Effective portion of gain (loss) on derivatives included as a component of other comprehensive income		$ (497)
Effective portion of gain (loss) on derivatives included as a component of other comprehensive income			$ 157	$ 17