Long-Term Debt (Summary of Long Term Debt) (Details)	9 Months Ended
	Sep. 30, 2018 USD ($) property item	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Total fixed rate debt	$ 23,832,000	$ 24,317,000
Total variable rate debt	115,641,000	99,768,000
Total long-term debt	139,473,000	124,085,000
Less: Deferred financing costs	(2,571,000)	(3,504,000)
Total long-term debt, net of deferred financing costs	136,902,000	120,581,000
Less: Long-term debt related to hotel properties held for sale, net of deferred financing costs of $24 and $333	(1,212,000)	(9,484,000)
Long-term debt related to hotel properties held for use, net of deferred financing costs of $2,547 and $3,171	$ 135,690,000	111,097,000
Number of hotels | property	16
Deferred financing costs	$ 2,547,000	3,171,000
Deferred finance costs, assets held-for-sale	$ 24,000	333,000
Encumbered Wholly Owned Properties [Member]
Debt Instrument [Line Items]
Number of hotels | property	15
Morgan Stanley Bank of America Merrill Lynch Trust 2014-C18 [Member]
Debt Instrument [Line Items]
Total fixed rate debt	$ 8,861,000	8,987,000
Fixed rate, interest rate	4.54%
Maturity	Aug. 31, 2024
Amortization provision	25 years
Morgan Stanley Bank of America Merrill Lynch Trust 2014-C18 [Member] | Encumbered Wholly Owned Properties [Member]
Debt Instrument [Line Items]
Number of hotels | property	1
Great Western Bank [Member]
Debt Instrument [Line Items]
Total fixed rate debt	$ 13,729,000	13,950,000
Fixed rate, interest rate	4.33%
Maturity	Dec. 31, 2021
Amortization provision	25 years
Extension period	2 years
Great Western Bank [Member] | Encumbered Wholly Owned Properties [Member]
Debt Instrument [Line Items]
Number of hotels | property	1
Great Western Bank [Member]
Debt Instrument [Line Items]
Total fixed rate debt	$ 1,242,000	1,380,000
Fixed rate, interest rate	4.33%
Maturity	Dec. 31, 2021
Amortization provision	7 years
Extension period	2 years
Wells Fargo [Member]
Debt Instrument [Line Items]
Total variable rate debt	$ 26,154,000	26,465,000
Fixed rate, interest rate	4.44%
Variable rate, interest rate	4.49%
Maturity	Nov. 30, 2022
Amortization provision	30 years
Extension period	1 year
Number of loan extensions | item	2
Wells Fargo [Member] | Encumbered Wholly Owned Properties [Member]
Debt Instrument [Line Items]
Number of hotels | property	3
Wells Fargo [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Basis spread	2.39%
Reference rate	30-day LIBOR
KeyBank Credit Facility [Member]
Debt Instrument [Line Items]
Total variable rate debt	$ 89,487,000	73,303,000
Variable rate, interest rate	5.16%
Maturity	Mar. 31, 2020
Line of credit facility, maximum borrowing capacity	$ 150,000,000
Line of credit facility, accordian feature	400,000,000
Available borrowing capacity	$ 7,613,000
Commitment fee	0.20%
Extension period	1 year
Number of loan extensions | item	2
KeyBank Credit Facility [Member] | Encumbered Wholly Owned Properties [Member]
Debt Instrument [Line Items]
Number of hotels | property	10
KeyBank Credit Facility [Member] | LIBOR [Member] | Minimum [Member]
Debt Instrument [Line Items]
Basis spread	2.25%
KeyBank Credit Facility [Member] | LIBOR [Member] | Maximum [Member]
Debt Instrument [Line Items]
Basis spread	3.00%
KeyBank Credit Facility [Member] | Base Rate [Member] | Minimum [Member]
Debt Instrument [Line Items]
Basis spread	1.25%
KeyBank Credit Facility [Member] | Base Rate [Member] | Maximum [Member]
Debt Instrument [Line Items]
Basis spread	2.00%
Interest Rate Cap [Member] | KeyBank Credit Facility [Member]
Debt Instrument [Line Items]
Notional amount	$ 50,000,000	$ 50,000,000
Cap interest rate	2.50%
Interest Rate Cap [Member] | KeyBank Credit Facility [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Basis spread	2.50%
Reference rate	30-day LIBOR