Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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The aggregate fair value of assets needed to immediately settle the derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.

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Amount of increase in the fair value of derivatives recognized in the income statement.

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The effective portion of loss reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.

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The net gain (loss) during the reporting period due to ineffectiveness in interest rate cash flow hedges. Recognized in earnings.

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The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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Derivative Instruments (Details) $ in Thousands	1 Months Ended	3 Months Ended		12 Months Ended
Derivative Instruments (Details) $ in Thousands	Jan. 31, 2019 USD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($) contract
Derivative Instruments, Gain (Loss) [Line Items]
Total Amount of Interest Expense Presented in the Consolidated Statements of Comprehensive Income		$ 25,519	$ 22,670
Interest Rate Derivatives [Abstract]
Number of interest rate swaps		2
Fair value		$ 591		$ 4,649
Reclassification during next 12 months		200
Termination value		700
Interest Rate Swap
Interest Rate Derivatives [Abstract]
Aggregate notional amount		66,300		$ 66,800
Interest Rate Swap \| Other Comprehensive Income (Loss) \| Designated as Hedging Instrument \| Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain related to the effective portion recognized in other comprehensive (loss) income		559	402
Interest Rate Swap \| Interest Expense \| Designated as Hedging Instrument \| Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of loss related to the effective portion subsequently reclassified to interest expense		24	$ 16
Interest Rate Lock Commitments
Interest Rate Derivatives [Abstract]
Number of interest rate swaps \| contract				2
Aggregate notional amount				$ 200,000
Interest Rate Lock Agreement A
Interest Rate Derivatives [Abstract]
Aggregate notional amount				100,000
Derivative, gain on derivative				$ 2,400
Number of derivative instruments expired \| contract				1
Interest Rate Lock Agreement B
Interest Rate Derivatives [Abstract]
Aggregate notional amount	$ 100,000
Gain (loss) on contract termination	$ 3,300
Other Liabilities \| Interest Rate Swap
Interest Rate Derivatives [Abstract]
Fair value		591		$ 677
Other Liabilities \| Interest Rate Lock Commitments
Interest Rate Derivatives [Abstract]
Fair value		$ 0		$ 3,972